diff options
Diffstat (limited to 'src/test/test-install-root.c')
| -rw-r--r-- | src/test/test-install-root.c | 1299 |
1 files changed, 1299 insertions, 0 deletions
diff --git a/src/test/test-install-root.c b/src/test/test-install-root.c new file mode 100644 index 0000000..efd75b2 --- /dev/null +++ b/src/test/test-install-root.c @@ -0,0 +1,1299 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <unistd.h> + +#include "alloc-util.h" +#include "fileio.h" +#include "fs-util.h" +#include "install.h" +#include "mkdir.h" +#include "rm-rf.h" +#include "special.h" +#include "string-util.h" +#include "tests.h" +#include "tmpfile-util.h" + +static char *root = NULL; + +STATIC_DESTRUCTOR_REGISTER(root, rm_rf_physical_and_freep); + +TEST(basic_mask_and_enable) { + const char *p; + UnitFileState state; + InstallChange *changes = NULL; + size_t n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "a.service", NULL) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "b.service", NULL) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "c.service", NULL) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "d.service", NULL) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "e.service", NULL) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "f.service", NULL) == -ENOENT); + + p = strjoina(root, "/usr/lib/systemd/system/a.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "a.service", NULL) >= 0); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "a.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + p = strjoina(root, "/usr/lib/systemd/system/b.service"); + assert_se(symlink("a.service", p) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "b.service", NULL) >= 0); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "b.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + + p = strjoina(root, "/usr/lib/systemd/system/c.service"); + assert_se(symlink("/usr/lib/systemd/system/a.service", p) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "c.service", NULL) >= 0); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "c.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + + p = strjoina(root, "/usr/lib/systemd/system/d.service"); + assert_se(symlink("c.service", p) >= 0); + + /* This one is interesting, as d follows a relative, then an absolute symlink */ + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "d.service", NULL) >= 0); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "d.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + + assert_se(unit_file_mask(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("a.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/dev/null")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/a.service"); + assert_se(streq(changes[0].path, p)); + + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "a.service", &state) >= 0 && state == UNIT_FILE_MASKED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "b.service", &state) >= 0 && state == UNIT_FILE_MASKED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "c.service", &state) >= 0 && state == UNIT_FILE_MASKED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "d.service", &state) >= 0 && state == UNIT_FILE_MASKED); + + /* Enabling a masked unit should fail! */ + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("a.service"), &changes, &n_changes) == -ERFKILL); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_unmask(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("a.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_UNLINK); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/a.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("a.service"), &changes, &n_changes) == 1); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/a.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/a.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "a.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "b.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "c.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "d.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + + /* Enabling it again should succeed but be a NOP */ + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("a.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 0); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_disable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("a.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_UNLINK); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/a.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "a.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "b.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "c.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "d.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + + /* Disabling a disabled unit must succeed but be a NOP */ + assert_se(unit_file_disable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("a.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 0); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + /* Let's enable this indirectly via a symlink */ + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("d.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/a.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/a.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "a.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "b.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "c.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "d.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + + /* Let's try to reenable */ + + assert_se(unit_file_reenable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("b.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 2); + assert_se(changes[0].type == INSTALL_CHANGE_UNLINK); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/a.service"); + assert_se(streq(changes[0].path, p)); + assert_se(changes[1].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[1].source, "/usr/lib/systemd/system/a.service")); + assert_se(streq(changes[1].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "a.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "b.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "c.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "d.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + + /* Test masking with relative symlinks */ + + p = strjoina(root, "/usr/lib/systemd/system/e.service"); + assert_se(symlink("../../../../../../dev/null", p) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "e.service", NULL) >= 0); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "e.service", &state) >= 0 && state == UNIT_FILE_MASKED); + + assert_se(unlink(p) == 0); + assert_se(symlink("/usr/../dev/null", p) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "e.service", NULL) >= 0); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "e.service", &state) >= 0 && state == UNIT_FILE_MASKED); + + assert_se(unlink(p) == 0); + + /* Test enabling with unknown dependency target */ + + p = strjoina(root, "/usr/lib/systemd/system/f.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=x.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "f.service", NULL) >= 0); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "f.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("f.service"), &changes, &n_changes) == 1); + assert_se(n_changes == 2); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/f.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/x.target.wants/f.service"); + assert_se(streq(changes[0].path, p)); + assert_se(changes[1].type == INSTALL_CHANGE_DESTINATION_NOT_PRESENT); + p = strjoina(root, "/usr/lib/systemd/system/f.service"); + assert_se(streq(changes[1].source, p)); + assert_se(streq(changes[1].path, "x.target")); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "f.service", &state) >= 0 && state == UNIT_FILE_ENABLED); +} + +TEST(linked_units) { + const char *p, *q; + UnitFileState state; + InstallChange *changes = NULL; + size_t n_changes = 0, i; + + /* + * We'll test three cases here: + * + * a) a unit file in /opt, that we use "systemctl link" and + * "systemctl enable" on to make it available to the system + * + * b) a unit file in /opt, that is statically linked into + * /usr/lib/systemd/system, that "enable" should work on + * correctly. + * + * c) a unit file in /opt, that is linked into + * /etc/systemd/system, and where "enable" should result in + * -ELOOP, since using information from /etc to generate + * information in /etc should not be allowed. + */ + + p = strjoina(root, "/opt/linked.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/opt/linked2.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/opt/linked3.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "linked.service", NULL) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "linked2.service", NULL) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "linked3.service", NULL) == -ENOENT); + + p = strjoina(root, "/usr/lib/systemd/system/linked2.service"); + assert_se(symlink("/opt/linked2.service", p) >= 0); + + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/linked3.service"); + assert_se(symlink("/opt/linked3.service", p) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "linked.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "linked2.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "linked3.service", &state) >= 0 && state == UNIT_FILE_LINKED); + + /* First, let's link the unit into the search path */ + assert_se(unit_file_link(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("/opt/linked.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/opt/linked.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/linked.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "linked.service", &state) >= 0 && state == UNIT_FILE_LINKED); + + /* Let's unlink it from the search path again */ + assert_se(unit_file_disable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("linked.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_UNLINK); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/linked.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "linked.service", NULL) == -ENOENT); + + /* Now, let's not just link it, but also enable it */ + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("/opt/linked.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 2); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/linked.service"); + q = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/linked.service"); + for (i = 0 ; i < n_changes; i++) { + assert_se(changes[i].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[i].source, "/opt/linked.service")); + + if (p && streq(changes[i].path, p)) + p = NULL; + else if (q && streq(changes[i].path, q)) + q = NULL; + else + assert_not_reached(); + } + assert_se(!p && !q); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "linked.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + + /* And let's unlink it again */ + assert_se(unit_file_disable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("linked.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 2); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/linked.service"); + q = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/linked.service"); + for (i = 0; i < n_changes; i++) { + assert_se(changes[i].type == INSTALL_CHANGE_UNLINK); + + if (p && streq(changes[i].path, p)) + p = NULL; + else if (q && streq(changes[i].path, q)) + q = NULL; + else + assert_not_reached(); + } + assert_se(!p && !q); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "linked.service", NULL) == -ENOENT); + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("linked2.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 2); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/linked2.service"); + q = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/linked2.service"); + for (i = 0 ; i < n_changes; i++) { + assert_se(changes[i].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[i].source, "/opt/linked2.service")); + + if (p && streq(changes[i].path, p)) + p = NULL; + else if (q && streq(changes[i].path, q)) + q = NULL; + else + assert_not_reached(); + } + assert_se(!p && !q); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("linked3.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(startswith(changes[0].path, root)); + assert_se(endswith(changes[0].path, "linked3.service")); + assert_se(streq(changes[0].source, "/opt/linked3.service")); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; +} + +TEST(default) { + _cleanup_free_ char *def = NULL; + InstallChange *changes = NULL; + size_t n_changes = 0; + const char *p; + + p = strjoina(root, "/usr/lib/systemd/system/test-default-real.target"); + assert_se(write_string_file(p, "# pretty much empty", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/test-default.target"); + assert_se(symlink("test-default-real.target", p) >= 0); + + assert_se(unit_file_get_default(RUNTIME_SCOPE_SYSTEM, root, &def) == -ENOENT); + + assert_se(unit_file_set_default(RUNTIME_SCOPE_SYSTEM, 0, root, "idontexist.target", &changes, &n_changes) == -ENOENT); + assert_se(n_changes == 1); + assert_se(changes[0].type == -ENOENT); + assert_se(streq_ptr(changes[0].path, "idontexist.target")); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_default(RUNTIME_SCOPE_SYSTEM, root, &def) == -ENOENT); + + assert_se(unit_file_set_default(RUNTIME_SCOPE_SYSTEM, 0, root, "test-default.target", &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/test-default-real.target")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR "/" SPECIAL_DEFAULT_TARGET); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_default(RUNTIME_SCOPE_SYSTEM, root, &def) >= 0); + assert_se(streq_ptr(def, "test-default-real.target")); +} + +TEST(add_dependency) { + InstallChange *changes = NULL; + size_t n_changes = 0; + const char *p; + + p = strjoina(root, "/usr/lib/systemd/system/real-add-dependency-test-target.target"); + assert_se(write_string_file(p, "# pretty much empty", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/add-dependency-test-target.target"); + assert_se(symlink("real-add-dependency-test-target.target", p) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/real-add-dependency-test-service.service"); + assert_se(write_string_file(p, "# pretty much empty", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/add-dependency-test-service.service"); + assert_se(symlink("real-add-dependency-test-service.service", p) >= 0); + + assert_se(unit_file_add_dependency(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("add-dependency-test-service.service"), "add-dependency-test-target.target", UNIT_WANTS, &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/real-add-dependency-test-service.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/real-add-dependency-test-target.target.wants/real-add-dependency-test-service.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; +} + +TEST(template_enable) { + InstallChange *changes = NULL; + size_t n_changes = 0; + UnitFileState state; + const char *p; + + log_info("== %s ==", __func__); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@def.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@foo.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@foo.service", &state) == -ENOENT); + + p = strjoina(root, "/usr/lib/systemd/system/template@.service"); + assert_se(write_string_file(p, + "[Install]\n" + "DefaultInstance=def\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/template-symlink@.service"); + assert_se(symlink("template@.service", p) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@def.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@foo.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@def.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@foo.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + log_info("== %s with template@.service enabled ==", __func__); + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("template@.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/template@.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/template@def.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@def.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@foo.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@def.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@foo.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + assert_se(unit_file_disable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("template@.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_UNLINK); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@def.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@foo.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@def.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@foo.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + log_info("== %s with template@foo.service enabled ==", __func__); + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("template@foo.service"), &changes, &n_changes) >= 0); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/template@.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/template@foo.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@.service", &state) >= 0 && state == UNIT_FILE_INDIRECT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@def.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@foo.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@foo.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@def.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@foo.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + + assert_se(unit_file_disable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("template@foo.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_UNLINK); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@def.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@foo.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@quux.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@def.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@foo.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@quux.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + log_info("== %s with template-symlink@quux.service enabled ==", __func__); + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("template-symlink@quux.service"), &changes, &n_changes) >= 0); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/template@.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/template@quux.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@.service", &state) >= 0 && state == UNIT_FILE_INDIRECT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@def.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@foo.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template@quux.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@def.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@foo.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "template-symlink@quux.service", &state) >= 0 && state == UNIT_FILE_ENABLED); +} + +TEST(indirect) { + InstallChange *changes = NULL; + size_t n_changes = 0; + UnitFileState state; + const char *p; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "indirecta.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "indirectb.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "indirectc.service", &state) == -ENOENT); + + p = strjoina(root, "/usr/lib/systemd/system/indirecta.service"); + assert_se(write_string_file(p, + "[Install]\n" + "Also=indirectb.service\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/indirectb.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/indirectc.service"); + assert_se(symlink("indirecta.service", p) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "indirecta.service", &state) >= 0 && state == UNIT_FILE_INDIRECT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "indirectb.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "indirectc.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("indirectc.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/indirectb.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/indirectb.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "indirecta.service", &state) >= 0 && state == UNIT_FILE_INDIRECT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "indirectb.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "indirectc.service", &state) >= 0 && state == UNIT_FILE_ALIAS); + + assert_se(unit_file_disable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("indirectc.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_UNLINK); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/indirectb.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; +} + +TEST(preset_and_list) { + InstallChange *changes = NULL; + size_t n_changes = 0, i; + const char *p, *q; + UnitFileState state; + bool got_yes = false, got_no = false; + UnitFileList *fl; + _cleanup_hashmap_free_ Hashmap *h = NULL; + + CLEANUP_ARRAY(changes, n_changes, install_changes_free); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-yes.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-no.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-ignore.service", &state) == -ENOENT); + + p = strjoina(root, "/usr/lib/systemd/system/preset-yes.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/preset-no.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/preset-ignore.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system-preset/test.preset"); + assert_se(write_string_file(p, + "enable *-yes.*\n" + "ignore *-ignore.*\n" + "disable *\n", WRITE_STRING_FILE_CREATE) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-yes.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-no.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-ignore.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + assert_se(unit_file_preset(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("preset-yes.service"), UNIT_FILE_PRESET_FULL, &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/preset-yes.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/preset-yes.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-yes.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-no.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-ignore.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + assert_se(unit_file_disable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("preset-yes.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_UNLINK); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/preset-yes.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-yes.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-no.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-ignore.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + assert_se(unit_file_preset(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("preset-no.service"), UNIT_FILE_PRESET_FULL, &changes, &n_changes) >= 0); + assert_se(n_changes == 0); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-yes.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-no.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-ignore.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + assert_se(unit_file_preset_all(RUNTIME_SCOPE_SYSTEM, 0, root, UNIT_FILE_PRESET_FULL, &changes, &n_changes) >= 0); + + assert_se(n_changes > 0); + + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/preset-yes.service"); + + for (i = 0; i < n_changes; i++) { + + if (changes[i].type == INSTALL_CHANGE_SYMLINK) { + assert_se(streq(changes[i].source, "/usr/lib/systemd/system/preset-yes.service")); + assert_se(streq(changes[i].path, p)); + } else + assert_se(changes[i].type == INSTALL_CHANGE_UNLINK); + } + + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-yes.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-no.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-ignore.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + assert_se(h = hashmap_new(&unit_file_list_hash_ops_free)); + assert_se(unit_file_get_list(RUNTIME_SCOPE_SYSTEM, root, h, NULL, NULL) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/preset-yes.service"); + q = strjoina(root, "/usr/lib/systemd/system/preset-no.service"); + + HASHMAP_FOREACH(fl, h) { + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, basename(fl->path), &state) >= 0); + assert_se(fl->state == state); + + if (streq(fl->path, p)) { + got_yes = true; + assert_se(fl->state == UNIT_FILE_ENABLED); + } else if (streq(fl->path, q)) { + got_no = true; + assert_se(fl->state == UNIT_FILE_DISABLED); + } else + assert_se(IN_SET(fl->state, UNIT_FILE_DISABLED, UNIT_FILE_STATIC, UNIT_FILE_INDIRECT, UNIT_FILE_ALIAS)); + } + + assert_se(got_yes && got_no); + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("preset-ignore.service"), &changes, &n_changes) >= 0); + assert_se(unit_file_preset(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("preset-ignore.service"), UNIT_FILE_PRESET_FULL, &changes, &n_changes) >= 0); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "preset-ignore.service", &state) >= 0 && state == UNIT_FILE_ENABLED); +} + +TEST(revert) { + const char *p; + UnitFileState state; + InstallChange *changes = NULL; + size_t n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "xx.service", NULL) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "yy.service", NULL) == -ENOENT); + + p = strjoina(root, "/usr/lib/systemd/system/xx.service"); + assert_se(write_string_file(p, "# Empty\n", WRITE_STRING_FILE_CREATE) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "xx.service", NULL) >= 0); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "xx.service", &state) >= 0 && state == UNIT_FILE_STATIC); + + /* Initially there's nothing to revert */ + assert_se(unit_file_revert(RUNTIME_SCOPE_SYSTEM, root, STRV_MAKE("xx.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 0); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/xx.service"); + assert_se(write_string_file(p, "# Empty override\n", WRITE_STRING_FILE_CREATE) >= 0); + + /* Revert the override file */ + assert_se(unit_file_revert(RUNTIME_SCOPE_SYSTEM, root, STRV_MAKE("xx.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_UNLINK); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/xx.service.d/dropin.conf"); + assert_se(write_string_file(p, "# Empty dropin\n", WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_MKDIR_0755) >= 0); + + /* Revert the dropin file */ + assert_se(unit_file_revert(RUNTIME_SCOPE_SYSTEM, root, STRV_MAKE("xx.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 2); + assert_se(changes[0].type == INSTALL_CHANGE_UNLINK); + assert_se(streq(changes[0].path, p)); + + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/xx.service.d"); + assert_se(changes[1].type == INSTALL_CHANGE_UNLINK); + assert_se(streq(changes[1].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; +} + +TEST(preset_order) { + InstallChange *changes = NULL; + size_t n_changes = 0; + const char *p; + UnitFileState state; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "prefix-1.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "prefix-2.service", &state) == -ENOENT); + + p = strjoina(root, "/usr/lib/systemd/system/prefix-1.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/prefix-2.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system-preset/test.preset"); + assert_se(write_string_file(p, + "enable prefix-1.service\n" + "disable prefix-*.service\n" + "enable prefix-2.service\n", WRITE_STRING_FILE_CREATE) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "prefix-1.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "prefix-2.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + assert_se(unit_file_preset(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("prefix-1.service"), UNIT_FILE_PRESET_FULL, &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/prefix-1.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/prefix-1.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "prefix-1.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "prefix-2.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + assert_se(unit_file_preset(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("prefix-2.service"), UNIT_FILE_PRESET_FULL, &changes, &n_changes) >= 0); + assert_se(n_changes == 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "prefix-1.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "prefix-2.service", &state) >= 0 && state == UNIT_FILE_DISABLED); +} + +TEST(static_instance) { + UnitFileState state; + const char *p; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "static-instance@.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "static-instance@foo.service", &state) == -ENOENT); + + p = strjoina(root, "/usr/lib/systemd/system/static-instance@.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "static-instance@.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "static-instance@foo.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + p = strjoina(root, "/usr/lib/systemd/system/static-instance@foo.service"); + assert_se(symlink("static-instance@.service", p) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "static-instance@.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "static-instance@foo.service", &state) >= 0 && state == UNIT_FILE_STATIC); +} + +TEST(with_dropin) { + const char *p; + UnitFileState state; + InstallChange *changes = NULL; + size_t n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-1.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-2.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-3.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-4a.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-4b.service", &state) == -ENOENT); + + p = strjoina(root, "/usr/lib/systemd/system/with-dropin-1.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/with-dropin-1.service.d/dropin.conf"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=graphical.target\n", WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_MKDIR_0755) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-1.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/with-dropin-2.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/with-dropin-2.service.d/dropin.conf"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=graphical.target\n", WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_MKDIR_0755) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-2.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + p = strjoina(root, "/usr/lib/systemd/system/with-dropin-3.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/with-dropin-3.service.d/dropin.conf"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=graphical.target\n", WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_MKDIR_0755) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-3.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + p = strjoina(root, "/usr/lib/systemd/system/with-dropin-4a.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/with-dropin-4a.service.d/dropin.conf"); + assert_se(write_string_file(p, + "[Install]\n" + "Also=with-dropin-4b.service\n", WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_MKDIR_0755) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-4a.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + p = strjoina(root, "/usr/lib/systemd/system/with-dropin-4b.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-4b.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("with-dropin-1.service"), &changes, &n_changes) == 1); + assert_se(n_changes == 2); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(changes[1].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/with-dropin-1.service")); + assert_se(streq(changes[1].source, "/usr/lib/systemd/system/with-dropin-1.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/with-dropin-1.service"); + assert_se(streq(changes[0].path, p)); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/graphical.target.wants/with-dropin-1.service"); + assert_se(streq(changes[1].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("with-dropin-2.service"), &changes, &n_changes) == 1); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-2.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(n_changes == 2); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(changes[1].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, SYSTEM_CONFIG_UNIT_DIR"/with-dropin-2.service")); + assert_se(streq(changes[1].source, SYSTEM_CONFIG_UNIT_DIR"/with-dropin-2.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/with-dropin-2.service"); + assert_se(streq(changes[0].path, p)); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/graphical.target.wants/with-dropin-2.service"); + assert_se(streq(changes[1].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("with-dropin-3.service"), &changes, &n_changes) == 1); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-3.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(n_changes == 2); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(changes[1].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/with-dropin-3.service")); + assert_se(streq(changes[1].source, "/usr/lib/systemd/system/with-dropin-3.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/with-dropin-3.service"); + assert_se(streq(changes[0].path, p)); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/graphical.target.wants/with-dropin-3.service"); + assert_se(streq(changes[1].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("with-dropin-4a.service"), &changes, &n_changes) == 2); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-3.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(n_changes == 2); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(changes[1].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/with-dropin-4a.service")); + assert_se(streq(changes[1].source, "/usr/lib/systemd/system/with-dropin-4b.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/with-dropin-4a.service"); + assert_se(streq(changes[0].path, p)); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/with-dropin-4b.service"); + assert_se(streq(changes[1].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-1.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-2.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-3.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-4a.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-4b.service", &state) >= 0 && state == UNIT_FILE_ENABLED); +} + +TEST(with_dropin_template) { + const char *p; + UnitFileState state; + InstallChange *changes = NULL; + size_t n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-1@.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-2@.service", &state) == -ENOENT); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-3@.service", &state) == -ENOENT); + + p = strjoina(root, "/usr/lib/systemd/system/with-dropin-1@.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/with-dropin-1@.service.d/dropin.conf"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=graphical.target\n", WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_MKDIR_0755) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-1@.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + p = strjoina(root, "/usr/lib/systemd/system/with-dropin-2@.service"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/with-dropin-2@instance-1.service.d/dropin.conf"); + assert_se(write_string_file(p, + "[Install]\n" + "WantedBy=graphical.target\n", WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_MKDIR_0755) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-2@.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + p = strjoina(root, "/usr/lib/systemd/system/with-dropin-3@.service"); + assert_se(write_string_file(p, + "[Install]\n" + "DefaultInstance=instance-1\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/with-dropin-3@.service.d/dropin.conf"); + assert_se(write_string_file(p, + "[Install]\n" + "DefaultInstance=instance-2\n", WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_MKDIR_0755) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-3@.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("with-dropin-1@instance-1.service"), &changes, &n_changes) == 1); + assert_se(n_changes == 2); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(changes[1].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/with-dropin-1@.service")); + assert_se(streq(changes[1].source, "/usr/lib/systemd/system/with-dropin-1@.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/with-dropin-1@instance-1.service"); + assert_se(streq(changes[0].path, p)); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/graphical.target.wants/with-dropin-1@instance-1.service"); + assert_se(streq(changes[1].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("with-dropin-2@instance-1.service"), &changes, &n_changes) == 1); + assert_se(n_changes == 2); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(changes[1].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/with-dropin-2@.service")); + assert_se(streq(changes[1].source, "/usr/lib/systemd/system/with-dropin-2@.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/with-dropin-2@instance-1.service"); + assert_se(streq(changes[0].path, p)); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/graphical.target.wants/with-dropin-2@instance-1.service"); + assert_se(streq(changes[1].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("with-dropin-2@instance-2.service"), &changes, &n_changes) == 1); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/with-dropin-2@.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/with-dropin-2@instance-2.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_enable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("with-dropin-3@.service"), &changes, &n_changes) == 1); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + assert_se(streq(changes[0].source, "/usr/lib/systemd/system/with-dropin-3@.service")); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/with-dropin-3@instance-2.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-1@instance-1.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-2@instance-1.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-2@instance-2.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-3@instance-1.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "with-dropin-3@instance-2.service", &state) >= 0 && state == UNIT_FILE_ENABLED); +} + +TEST(preset_multiple_instances) { + InstallChange *changes = NULL; + size_t n_changes = 0; + const char *p; + UnitFileState state; + + /* Set up template service files and preset file */ + p = strjoina(root, "/usr/lib/systemd/system/foo@.service"); + assert_se(write_string_file(p, + "[Install]\n" + "DefaultInstance=def\n" + "WantedBy=multi-user.target\n", WRITE_STRING_FILE_CREATE) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "foo@.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + p = strjoina(root, "/usr/lib/systemd/system-preset/test.preset"); + assert_se(write_string_file(p, + "enable foo@.service bar0 bar1 bartest\n" + "enable emptylist@.service\n" /* This line ensures the old functionality for templated unit still works */ + "disable *\n" , WRITE_STRING_FILE_CREATE) >= 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "foo@bar0.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + /* Preset a single instantiated unit specified in the list */ + assert_se(unit_file_preset(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("foo@bar0.service"), UNIT_FILE_PRESET_FULL, &changes, &n_changes) >= 0); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "foo@bar0.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_SYMLINK); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/foo@bar0.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + assert_se(unit_file_disable(RUNTIME_SCOPE_SYSTEM, 0, root, STRV_MAKE("foo@bar0.service"), &changes, &n_changes) >= 0); + assert_se(n_changes == 1); + assert_se(changes[0].type == INSTALL_CHANGE_UNLINK); + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/multi-user.target.wants/foo@bar0.service"); + assert_se(streq(changes[0].path, p)); + install_changes_free(changes, n_changes); + changes = NULL; n_changes = 0; + + /* Check for preset-all case, only instances on the list should be enabled, not including the default instance */ + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "foo@def.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "foo@bar1.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "foo@bartest.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + + assert_se(unit_file_preset_all(RUNTIME_SCOPE_SYSTEM, 0, root, UNIT_FILE_PRESET_FULL, &changes, &n_changes) >= 0); + assert_se(n_changes > 0); + + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "foo@def.service", &state) >= 0 && state == UNIT_FILE_DISABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "foo@bar0.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "foo@bar1.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + assert_se(unit_file_get_state(RUNTIME_SCOPE_SYSTEM, root, "foo@bartest.service", &state) >= 0 && state == UNIT_FILE_ENABLED); + + install_changes_free(changes, n_changes); +} + +static void verify_one( + const InstallInfo *i, + const char *alias, + int expected, + const char *updated_name) { + int r; + static const InstallInfo *last_info = NULL; + _cleanup_free_ char *alias2 = NULL; + + if (i != last_info) + log_info("-- %s --", (last_info = i)->name); + + r = unit_file_verify_alias(i, alias, &alias2, NULL, NULL); + log_info_errno(r, "alias %s ← %s: %d/%m (expected %d)%s%s%s", + i->name, alias, r, expected, + alias2 ? " [" : "", strempty(alias2), + alias2 ? "]" : ""); + assert_se(r == expected); + + /* This is test for "instance propagation". This propagation matters mostly for WantedBy= and + * RequiredBy= settings, and less so for Alias=. The only case where it should happen is when we have + * an Alias=alias@.service an instantiated template template@instance. In that case the instance name + * should be propagated into the alias as alias@instance. */ + assert_se(streq_ptr(alias2, updated_name)); +} + +TEST(verify_alias) { + const InstallInfo + plain_service = { .name = (char*) "plain.service" }, + bare_template = { .name = (char*) "template1@.service" }, + di_template = { .name = (char*) "template2@.service", + .default_instance = (char*) "di" }, + inst_template = { .name = (char*) "template3@inst.service" }, + di_inst_template = { .name = (char*) "template4@inst.service", + .default_instance = (char*) "di" }; + + verify_one(&plain_service, "alias.service", 0, NULL); + verify_one(&plain_service, "alias.socket", -EXDEV, NULL); + verify_one(&plain_service, "alias@.service", -EXDEV, NULL); + verify_one(&plain_service, "alias@inst.service", -EXDEV, NULL); + + /* Setting WantedBy= and RequiredBy= through Alias= is supported for the sake of backwards + * compatibility. */ + verify_one(&plain_service, "foo.target.wants/plain.service", 0, NULL); + verify_one(&plain_service, "foo.target.wants/plain.socket", -EXDEV, NULL); + verify_one(&plain_service, "foo.target.wants/plain@.service", -EXDEV, NULL); + verify_one(&plain_service, "foo.target.wants/service", -EXDEV, NULL); + verify_one(&plain_service, "foo.target.requires/plain.service", 0, NULL); + verify_one(&plain_service, "foo.target.requires/plain.socket", -EXDEV, NULL); + verify_one(&plain_service, "foo.target.requires/plain@.service", -EXDEV, NULL); + verify_one(&plain_service, "foo.target.requires/service", -EXDEV, NULL); + verify_one(&plain_service, "asdf.requires/plain.service", -EXDEV, NULL); /* invalid unit name component */ + /* The newly-added UpheldBy= (.upholds/) and other suffixes should be rejected */ + verify_one(&plain_service, "foo.target.upholds/plain.service", -EXDEV, NULL); + verify_one(&plain_service, "foo.target.upholds/plain.socket", -EXDEV, NULL); + verify_one(&plain_service, "foo.target.upholds/plain@.service", -EXDEV, NULL); + verify_one(&plain_service, "foo.target.upholds/service", -EXDEV, NULL); + verify_one(&plain_service, "foo.service/plain.service", -EXDEV, NULL); /* missing dir suffix */ + verify_one(&plain_service, "foo.target.conf/plain.service", -EXDEV, NULL); + + verify_one(&bare_template, "alias.service", -EXDEV, NULL); + verify_one(&bare_template, "alias.socket", -EXDEV, NULL); + verify_one(&bare_template, "alias@.socket", -EXDEV, NULL); + verify_one(&bare_template, "alias@inst.socket", -EXDEV, NULL); + /* A general alias alias@.service → template1@.service. */ + verify_one(&bare_template, "alias@.service", 0, NULL); + /* Only a specific instance is aliased, see the discussion in https://github.com/systemd/systemd/pull/13119. */ + verify_one(&bare_template, "alias@inst.service", 0, NULL); + verify_one(&bare_template, "foo.target.wants/plain.service", -EXDEV, NULL); + verify_one(&bare_template, "foo.target.wants/plain.socket", -EXDEV, NULL); + verify_one(&bare_template, "foo.target.wants/plain@.service", -EXDEV, NULL); + /* Name mismatch: we cannot allow this, because plain@foo.service would be pulled in by foo.target, + * but would not be resolveable on its own, since systemd doesn't know how to load the fragment. */ + verify_one(&bare_template, "foo.target.wants/plain@foo.service", -EXDEV, NULL); + verify_one(&bare_template, "foo.target.wants/template1@foo.service", 0, NULL); + verify_one(&bare_template, "foo.target.wants/service", -EXDEV, NULL); + verify_one(&bare_template, "foo.target.requires/plain.service", -EXDEV, NULL); + verify_one(&bare_template, "foo.target.requires/plain.socket", -EXDEV, NULL); + verify_one(&bare_template, "foo.target.requires/plain@.service", -EXDEV, NULL); /* instance missing */ + verify_one(&bare_template, "foo.target.requires/template1@inst.service", 0, NULL); + verify_one(&bare_template, "foo.target.requires/service", -EXDEV, NULL); + verify_one(&bare_template, "foo.target.conf/plain.service", -EXDEV, NULL); + verify_one(&bare_template, "FOO@.target.requires/plain@.service", -EXDEV, NULL); /* template name mismatch */ + verify_one(&bare_template, "FOO@inst.target.requires/plain@.service", -EXDEV, NULL); + verify_one(&bare_template, "FOO@inst.target.requires/plain@inst.service", -EXDEV, NULL); + verify_one(&bare_template, "FOO@.target.requires/template1@.service", 0, NULL); /* instance propagated */ + verify_one(&bare_template, "FOO@inst.target.requires/template1@.service", -EXDEV, NULL); /* instance missing */ + verify_one(&bare_template, "FOO@inst.target.requires/template1@inst.service", 0, NULL); /* instance provided */ + + verify_one(&di_template, "alias.service", -EXDEV, NULL); + verify_one(&di_template, "alias.socket", -EXDEV, NULL); + verify_one(&di_template, "alias@.socket", -EXDEV, NULL); + verify_one(&di_template, "alias@inst.socket", -EXDEV, NULL); + verify_one(&di_template, "alias@inst.service", 0, NULL); + verify_one(&di_template, "alias@.service", 0, NULL); + verify_one(&di_template, "alias@di.service", 0, NULL); + verify_one(&di_template, "foo.target.wants/plain.service", -EXDEV, NULL); + verify_one(&di_template, "foo.target.wants/plain.socket", -EXDEV, NULL); + verify_one(&di_template, "foo.target.wants/plain@.service", -EXDEV, NULL); + verify_one(&di_template, "foo.target.wants/plain@di.service", -EXDEV, NULL); + verify_one(&di_template, "foo.target.wants/template2@di.service", 0, NULL); + verify_one(&di_template, "foo.target.wants/service", -EXDEV, NULL); + verify_one(&di_template, "foo.target.requires/plain.service", -EXDEV, NULL); + verify_one(&di_template, "foo.target.requires/plain.socket", -EXDEV, NULL); + verify_one(&di_template, "foo.target.requires/plain@.service", -EXDEV, NULL); + verify_one(&di_template, "foo.target.requires/plain@di.service", -EXDEV, NULL); + verify_one(&di_template, "foo.target.requires/plain@foo.service", -EXDEV, NULL); + verify_one(&di_template, "foo.target.requires/template2@.service", -EXDEV, NULL); /* instance missing */ + verify_one(&di_template, "foo.target.requires/template2@di.service", 0, NULL); + verify_one(&di_template, "foo.target.requires/service", -EXDEV, NULL); + verify_one(&di_template, "foo.target.conf/plain.service", -EXDEV, NULL); + + verify_one(&inst_template, "alias.service", -EXDEV, NULL); + verify_one(&inst_template, "alias.socket", -EXDEV, NULL); + verify_one(&inst_template, "alias@.socket", -EXDEV, NULL); + verify_one(&inst_template, "alias@inst.socket", -EXDEV, NULL); + verify_one(&inst_template, "alias@inst.service", 0, NULL); + verify_one(&inst_template, "alias@.service", 0, "alias@inst.service"); + verify_one(&inst_template, "alias@di.service", -EXDEV, NULL); + verify_one(&inst_template, "bar.target.wants/plain.service", -EXDEV, NULL); + verify_one(&inst_template, "bar.target.wants/plain.socket", -EXDEV, NULL); + verify_one(&inst_template, "bar.target.wants/plain@.service", -EXDEV, NULL); + verify_one(&inst_template, "bar.target.wants/plain@di.service", -EXDEV, NULL); + verify_one(&inst_template, "bar.target.wants/plain@inst.service", -EXDEV, NULL); + verify_one(&inst_template, "bar.target.wants/template3@foo.service", -EXDEV, NULL); + verify_one(&inst_template, "bar.target.wants/template3@inst.service", 0, NULL); + verify_one(&inst_template, "bar.target.wants/service", -EXDEV, NULL); + verify_one(&inst_template, "bar.target.requires/plain.service", -EXDEV, NULL); + verify_one(&inst_template, "bar.target.requires/plain.socket", -EXDEV, NULL); + verify_one(&inst_template, "bar.target.requires/plain@.service", -EXDEV, NULL); + verify_one(&inst_template, "bar.target.requires/plain@di.service", -EXDEV, NULL); + verify_one(&inst_template, "bar.target.requires/plain@inst.service", -EXDEV, NULL); + verify_one(&inst_template, "bar.target.requires/template3@foo.service", -EXDEV, NULL); + verify_one(&inst_template, "bar.target.requires/template3@inst.service", 0, NULL); + verify_one(&inst_template, "bar.target.requires/service", -EXDEV, NULL); + verify_one(&inst_template, "bar.target.conf/plain.service", -EXDEV, NULL); + verify_one(&inst_template, "BAR@.target.requires/plain@.service", -EXDEV, NULL); /* template name mismatch */ + verify_one(&inst_template, "BAR@inst.target.requires/plain@.service", -EXDEV, NULL); + verify_one(&inst_template, "BAR@inst.target.requires/plain@inst.service", -EXDEV, NULL); + verify_one(&inst_template, "BAR@.target.requires/template3@.service", -EXDEV, NULL); /* instance missing */ + verify_one(&inst_template, "BAR@inst.target.requires/template3@.service", -EXDEV, NULL); /* instance missing */ + verify_one(&inst_template, "BAR@inst.target.requires/template3@inst.service", 0, NULL); /* instance provided */ + verify_one(&inst_template, "BAR@inst.target.requires/template3@ins2.service", -EXDEV, NULL); /* instance mismatch */ + + /* explicit alias overrides DefaultInstance */ + verify_one(&di_inst_template, "alias.service", -EXDEV, NULL); + verify_one(&di_inst_template, "alias.socket", -EXDEV, NULL); + verify_one(&di_inst_template, "alias@.socket", -EXDEV, NULL); + verify_one(&di_inst_template, "alias@inst.socket", -EXDEV, NULL); + verify_one(&di_inst_template, "alias@inst.service", 0, NULL); + verify_one(&di_inst_template, "alias@.service", 0, "alias@inst.service"); + verify_one(&di_inst_template, "alias@di.service", -EXDEV, NULL); + verify_one(&di_inst_template, "goo.target.wants/plain.service", -EXDEV, NULL); + verify_one(&di_inst_template, "goo.target.wants/plain.socket", -EXDEV, NULL); + verify_one(&di_inst_template, "goo.target.wants/plain@.service", -EXDEV, NULL); + verify_one(&di_inst_template, "goo.target.wants/plain@di.service", -EXDEV, NULL); + verify_one(&di_inst_template, "goo.target.wants/template4@foo.service", -EXDEV, NULL); + verify_one(&di_inst_template, "goo.target.wants/template4@inst.service", 0, NULL); + verify_one(&di_inst_template, "goo.target.wants/template4@di.service", -EXDEV, NULL); + verify_one(&di_inst_template, "goo.target.wants/service", -EXDEV, NULL); + verify_one(&di_inst_template, "goo.target.requires/plain.service", -EXDEV, NULL); + verify_one(&di_inst_template, "goo.target.requires/plain.socket", -EXDEV, NULL); + verify_one(&di_inst_template, "goo.target.requires/plain@.service", -EXDEV, NULL); + verify_one(&di_inst_template, "goo.target.requires/plain@di.service", -EXDEV, NULL); + verify_one(&di_inst_template, "goo.target.requires/plain@inst.service", -EXDEV, NULL); + verify_one(&di_inst_template, "goo.target.requires/template4@foo.service", -EXDEV, NULL); + verify_one(&di_inst_template, "goo.target.requires/template4@inst.service", 0, NULL); + verify_one(&di_inst_template, "goo.target.requires/service", -EXDEV, NULL); + verify_one(&di_inst_template, "goo.target.conf/plain.service", -EXDEV, NULL); +} + +static int intro(void) { + const char *p; + + assert_se(mkdtemp_malloc("/tmp/rootXXXXXX", &root) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/"); + assert_se(mkdir_p(p, 0755) >= 0); + + p = strjoina(root, SYSTEM_CONFIG_UNIT_DIR"/"); + assert_se(mkdir_p(p, 0755) >= 0); + + p = strjoina(root, "/run/systemd/system/"); + assert_se(mkdir_p(p, 0755) >= 0); + + p = strjoina(root, "/opt/"); + assert_se(mkdir_p(p, 0755) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system-preset/"); + assert_se(mkdir_p(p, 0755) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/multi-user.target"); + assert_se(write_string_file(p, "# pretty much empty", WRITE_STRING_FILE_CREATE) >= 0); + + p = strjoina(root, "/usr/lib/systemd/system/graphical.target"); + assert_se(write_string_file(p, "# pretty much empty", WRITE_STRING_FILE_CREATE) >= 0); + + return EXIT_SUCCESS; +} + + +DEFINE_TEST_MAIN_WITH_INTRO(LOG_INFO, intro); |