diff options
Diffstat (limited to 'tests/libgit2/refs/reflog/reflog.c')
| -rw-r--r-- | tests/libgit2/refs/reflog/reflog.c | 469 |
1 files changed, 469 insertions, 0 deletions
diff --git a/tests/libgit2/refs/reflog/reflog.c b/tests/libgit2/refs/reflog/reflog.c new file mode 100644 index 0000000..774ec6c --- /dev/null +++ b/tests/libgit2/refs/reflog/reflog.c @@ -0,0 +1,469 @@ +#include "clar_libgit2.h" + +#include "futils.h" +#include "git2/reflog.h" +#include "reflog.h" + +static const char *new_ref = "refs/heads/test-reflog"; +static const char *current_master_tip = "a65fedf39aefe402d3bb6e24df4d4f5fe4547750"; +#define commit_msg "commit: bla bla" + +static git_repository *g_repo; + + +/* helpers */ +static void assert_signature(const git_signature *expected, const git_signature *actual) +{ + cl_assert(actual); + cl_assert_equal_s(expected->name, actual->name); + cl_assert_equal_s(expected->email, actual->email); + cl_assert(expected->when.offset == actual->when.offset); + cl_assert(expected->when.time == actual->when.time); +} + + +/* Fixture setup and teardown */ +void test_refs_reflog_reflog__initialize(void) +{ + g_repo = cl_git_sandbox_init("testrepo.git"); +} + +void test_refs_reflog_reflog__cleanup(void) +{ + cl_git_sandbox_cleanup(); +} + +static void assert_appends(const git_signature *committer, const git_oid *oid) +{ + git_repository *repo2; + git_reference *lookedup_ref; + git_reflog *reflog; + const git_reflog_entry *entry; + + /* Reopen a new instance of the repository */ + cl_git_pass(git_repository_open(&repo2, "testrepo.git")); + + /* Lookup the previously created branch */ + cl_git_pass(git_reference_lookup(&lookedup_ref, repo2, new_ref)); + + /* Read and parse the reflog for this branch */ + cl_git_pass(git_reflog_read(&reflog, repo2, new_ref)); + cl_assert_equal_i(3, (int)git_reflog_entrycount(reflog)); + + /* The first one was the creation of the branch */ + entry = git_reflog_entry_byindex(reflog, 2); + cl_assert(git_oid_streq(&entry->oid_old, GIT_OID_SHA1_HEXZERO) == 0); + + entry = git_reflog_entry_byindex(reflog, 1); + assert_signature(committer, entry->committer); + cl_assert(git_oid_cmp(oid, &entry->oid_old) == 0); + cl_assert(git_oid_cmp(oid, &entry->oid_cur) == 0); + cl_assert(entry->msg == NULL); + + entry = git_reflog_entry_byindex(reflog, 0); + assert_signature(committer, entry->committer); + cl_assert(git_oid_cmp(oid, &entry->oid_cur) == 0); + cl_assert_equal_s(commit_msg, entry->msg); + + git_reflog_free(reflog); + git_repository_free(repo2); + + git_reference_free(lookedup_ref); +} + +void test_refs_reflog_reflog__append_then_read(void) +{ + /* write a reflog for a given reference and ensure it can be read back */ + git_reference *ref; + git_oid oid; + git_signature *committer; + git_reflog *reflog; + + /* Create a new branch pointing at the HEAD */ + git_oid__fromstr(&oid, current_master_tip, GIT_OID_SHA1); + cl_git_pass(git_reference_create(&ref, g_repo, new_ref, &oid, 0, NULL)); + git_reference_free(ref); + + cl_git_pass(git_signature_now(&committer, "foo", "foo@bar")); + + cl_git_pass(git_reflog_read(&reflog, g_repo, new_ref)); + cl_git_pass(git_reflog_append(reflog, &oid, committer, NULL)); + cl_git_pass(git_reflog_append(reflog, &oid, committer, commit_msg "\n")); + cl_git_pass(git_reflog_write(reflog)); + + assert_appends(committer, &oid); + + git_reflog_free(reflog); + git_signature_free(committer); +} + +void test_refs_reflog_reflog__renaming_the_reference_moves_the_reflog(void) +{ + git_reference *master, *new_master; + git_str master_log_path = GIT_STR_INIT, moved_log_path = GIT_STR_INIT; + + git_str_joinpath(&master_log_path, git_repository_path(g_repo), GIT_REFLOG_DIR); + git_str_puts(&moved_log_path, git_str_cstr(&master_log_path)); + git_str_joinpath(&master_log_path, git_str_cstr(&master_log_path), "refs/heads/master"); + git_str_joinpath(&moved_log_path, git_str_cstr(&moved_log_path), "refs/moved"); + + cl_assert_equal_i(true, git_fs_path_isfile(git_str_cstr(&master_log_path))); + cl_assert_equal_i(false, git_fs_path_isfile(git_str_cstr(&moved_log_path))); + + cl_git_pass(git_reference_lookup(&master, g_repo, "refs/heads/master")); + cl_git_pass(git_reference_rename(&new_master, master, "refs/moved", 0, NULL)); + git_reference_free(master); + + cl_assert_equal_i(false, git_fs_path_isfile(git_str_cstr(&master_log_path))); + cl_assert_equal_i(true, git_fs_path_isfile(git_str_cstr(&moved_log_path))); + + git_reference_free(new_master); + git_str_dispose(&moved_log_path); + git_str_dispose(&master_log_path); +} + +void test_refs_reflog_reflog__deleting_the_reference_deletes_the_reflog(void) +{ + git_reference *master; + git_str master_log_path = GIT_STR_INIT; + + git_str_joinpath(&master_log_path, git_repository_path(g_repo), GIT_REFLOG_DIR); + git_str_joinpath(&master_log_path, git_str_cstr(&master_log_path), "refs/heads/master"); + + cl_assert_equal_i(true, git_fs_path_isfile(git_str_cstr(&master_log_path))); + + cl_git_pass(git_reference_lookup(&master, g_repo, "refs/heads/master")); + cl_git_pass(git_reference_delete(master)); + git_reference_free(master); + + cl_assert_equal_i(false, git_fs_path_isfile(git_str_cstr(&master_log_path))); + git_str_dispose(&master_log_path); +} + +void test_refs_reflog_reflog__removes_empty_reflog_dir(void) +{ + git_reference *ref; + git_str log_path = GIT_STR_INIT; + git_oid id; + + /* Create a new branch pointing at the HEAD */ + git_oid__fromstr(&id, current_master_tip, GIT_OID_SHA1); + cl_git_pass(git_reference_create(&ref, g_repo, "refs/heads/new-dir/new-head", &id, 0, NULL)); + + git_str_joinpath(&log_path, git_repository_path(g_repo), GIT_REFLOG_DIR); + git_str_joinpath(&log_path, git_str_cstr(&log_path), "refs/heads/new-dir/new-head"); + + cl_assert_equal_i(true, git_fs_path_isfile(git_str_cstr(&log_path))); + + cl_git_pass(git_reference_delete(ref)); + git_reference_free(ref); + + /* new ref creation should succeed since new-dir is empty */ + git_oid__fromstr(&id, current_master_tip, GIT_OID_SHA1); + cl_git_pass(git_reference_create(&ref, g_repo, "refs/heads/new-dir", &id, 0, NULL)); + git_reference_free(ref); + + git_str_dispose(&log_path); +} + +void test_refs_reflog_reflog__fails_gracefully_on_nonempty_reflog_dir(void) +{ + git_reference *ref; + git_str log_path = GIT_STR_INIT; + git_oid id; + + /* Create a new branch pointing at the HEAD */ + git_oid__fromstr(&id, current_master_tip, GIT_OID_SHA1); + cl_git_pass(git_reference_create(&ref, g_repo, "refs/heads/new-dir/new-head", &id, 0, NULL)); + git_reference_free(ref); + + git_str_joinpath(&log_path, git_repository_path(g_repo), GIT_REFLOG_DIR); + git_str_joinpath(&log_path, git_str_cstr(&log_path), "refs/heads/new-dir/new-head"); + + cl_assert_equal_i(true, git_fs_path_isfile(git_str_cstr(&log_path))); + + /* delete the ref manually, leave the reflog */ + cl_must_pass(p_unlink("testrepo.git/refs/heads/new-dir/new-head")); + + /* new ref creation should fail since new-dir contains reflogs still */ + git_oid__fromstr(&id, current_master_tip, GIT_OID_SHA1); + cl_git_fail_with(GIT_EDIRECTORY, git_reference_create(&ref, g_repo, "refs/heads/new-dir", &id, 0, NULL)); + git_reference_free(ref); + + git_str_dispose(&log_path); +} + +static void assert_has_reflog(bool expected_result, const char *name) +{ + cl_assert_equal_i(expected_result, git_reference_has_log(g_repo, name)); +} + +void test_refs_reflog_reflog__reference_has_reflog(void) +{ + assert_has_reflog(true, "HEAD"); + assert_has_reflog(true, "refs/heads/master"); + assert_has_reflog(false, "refs/heads/subtrees"); +} + +void test_refs_reflog_reflog__reading_the_reflog_from_a_reference_with_no_log_returns_an_empty_one(void) +{ + git_reflog *reflog; + const char *refname = "refs/heads/subtrees"; + git_str subtrees_log_path = GIT_STR_INIT; + + git_str_join_n(&subtrees_log_path, '/', 3, git_repository_path(g_repo), GIT_REFLOG_DIR, refname); + cl_assert_equal_i(false, git_fs_path_isfile(git_str_cstr(&subtrees_log_path))); + + cl_git_pass(git_reflog_read(&reflog, g_repo, refname)); + + cl_assert_equal_i(0, (int)git_reflog_entrycount(reflog)); + + git_reflog_free(reflog); + git_str_dispose(&subtrees_log_path); +} + +void test_refs_reflog_reflog__reading_a_reflog_with_invalid_format_succeeds(void) +{ + git_reflog *reflog; + const char *refname = "refs/heads/newline"; + const char *refmessage = + "Reflog*message with a newline and enough content after it to pass the GIT_REFLOG_SIZE_MIN check inside reflog_parse."; + const git_reflog_entry *entry; + git_reference *ref; + git_oid id; + git_str logpath = GIT_STR_INIT, logcontents = GIT_STR_INIT; + char *star; + + /* Create a new branch. */ + cl_git_pass(git_oid__fromstr(&id, current_master_tip, GIT_OID_SHA1)); + cl_git_pass(git_reference_create(&ref, g_repo, refname, &id, 1, refmessage)); + + /* + * Corrupt the branch reflog by introducing a newline inside the reflog message. + * We do this by replacing '*' with '\n' + */ + cl_git_pass(git_str_join_n(&logpath, '/', 3, git_repository_path(g_repo), GIT_REFLOG_DIR, refname)); + cl_git_pass(git_futils_readbuffer(&logcontents, git_str_cstr(&logpath))); + cl_assert((star = strchr(git_str_cstr(&logcontents), '*')) != NULL); + *star = '\n'; + cl_git_rewritefile(git_str_cstr(&logpath), git_str_cstr(&logcontents)); + + /* + * Confirm that the file was rewritten successfully + * and now contains a '\n' in the expected location + */ + cl_git_pass(git_futils_readbuffer(&logcontents, git_str_cstr(&logpath))); + cl_assert(strstr(git_str_cstr(&logcontents), "Reflog\nmessage") != NULL); + + cl_git_pass(git_reflog_read(&reflog, g_repo, refname)); + cl_assert(entry = git_reflog_entry_byindex(reflog, 0)); + cl_assert_equal_s(git_reflog_entry_message(entry), "Reflog"); + + git_reference_free(ref); + git_reflog_free(reflog); + git_str_dispose(&logpath); + git_str_dispose(&logcontents); +} + +void test_refs_reflog_reflog__cannot_write_a_moved_reflog(void) +{ + git_reference *master, *new_master; + git_str master_log_path = GIT_STR_INIT, moved_log_path = GIT_STR_INIT; + git_reflog *reflog; + + cl_git_pass(git_reference_lookup(&master, g_repo, "refs/heads/master")); + cl_git_pass(git_reflog_read(&reflog, g_repo, "refs/heads/master")); + + cl_git_pass(git_reflog_write(reflog)); + + cl_git_pass(git_reference_rename(&new_master, master, "refs/moved", 0, NULL)); + git_reference_free(master); + + cl_git_fail(git_reflog_write(reflog)); + + git_reflog_free(reflog); + git_reference_free(new_master); + git_str_dispose(&moved_log_path); + git_str_dispose(&master_log_path); +} + +void test_refs_reflog_reflog__renaming_with_an_invalid_name_returns_EINVALIDSPEC(void) +{ + cl_assert_equal_i(GIT_EINVALIDSPEC, + git_reflog_rename(g_repo, "refs/heads/master", "refs/heads/Inv@{id")); +} + +void test_refs_reflog_reflog__write_only_std_locations(void) +{ + git_reference *ref; + git_oid id; + + git_oid__fromstr(&id, current_master_tip, GIT_OID_SHA1); + + cl_git_pass(git_reference_create(&ref, g_repo, "refs/heads/foo", &id, 1, NULL)); + git_reference_free(ref); + cl_git_pass(git_reference_create(&ref, g_repo, "refs/tags/foo", &id, 1, NULL)); + git_reference_free(ref); + cl_git_pass(git_reference_create(&ref, g_repo, "refs/notes/foo", &id, 1, NULL)); + git_reference_free(ref); + + assert_has_reflog(true, "refs/heads/foo"); + assert_has_reflog(false, "refs/tags/foo"); + assert_has_reflog(true, "refs/notes/foo"); + +} + +void test_refs_reflog_reflog__write_when_explicitly_active(void) +{ + git_reference *ref; + git_oid id; + + git_oid__fromstr(&id, current_master_tip, GIT_OID_SHA1); + git_reference_ensure_log(g_repo, "refs/tags/foo"); + + cl_git_pass(git_reference_create(&ref, g_repo, "refs/tags/foo", &id, 1, NULL)); + git_reference_free(ref); + assert_has_reflog(true, "refs/tags/foo"); +} + +void test_refs_reflog_reflog__append_to_HEAD_when_changing_current_branch(void) +{ + size_t nlogs, nlogs_after; + git_reference *ref; + git_reflog *log; + git_oid id; + + cl_git_pass(git_reflog_read(&log, g_repo, "HEAD")); + nlogs = git_reflog_entrycount(log); + git_reflog_free(log); + + /* Move it back */ + git_oid__fromstr(&id, "be3563ae3f795b2b4353bcce3a527ad0a4f7f644", GIT_OID_SHA1); + cl_git_pass(git_reference_create(&ref, g_repo, "refs/heads/master", &id, 1, NULL)); + git_reference_free(ref); + + cl_git_pass(git_reflog_read(&log, g_repo, "HEAD")); + nlogs_after = git_reflog_entrycount(log); + git_reflog_free(log); + + cl_assert_equal_i(nlogs_after, nlogs + 1); +} + +void test_refs_reflog_reflog__do_not_append_when_no_update(void) +{ + size_t nlogs, nlogs_after; + git_reference *ref, *ref2; + git_reflog *log; + + cl_git_pass(git_reflog_read(&log, g_repo, "HEAD")); + nlogs = git_reflog_entrycount(log); + git_reflog_free(log); + + cl_git_pass(git_reference_lookup(&ref, g_repo, "refs/heads/master")); + cl_git_pass(git_reference_create(&ref2, g_repo, "refs/heads/master", + git_reference_target(ref), 1, NULL)); + + git_reference_free(ref); + git_reference_free(ref2); + + cl_git_pass(git_reflog_read(&log, g_repo, "HEAD")); + nlogs_after = git_reflog_entrycount(log); + git_reflog_free(log); + + cl_assert_equal_i(nlogs_after, nlogs); +} + +static void assert_no_reflog_update(void) +{ + size_t nlogs, nlogs_after; + size_t nlogs_master, nlogs_master_after; + git_reference *ref; + git_reflog *log; + git_oid id; + + cl_git_pass(git_reflog_read(&log, g_repo, "HEAD")); + nlogs = git_reflog_entrycount(log); + git_reflog_free(log); + + cl_git_pass(git_reflog_read(&log, g_repo, "refs/heads/master")); + nlogs_master = git_reflog_entrycount(log); + git_reflog_free(log); + + /* Move it back */ + git_oid__fromstr(&id, "be3563ae3f795b2b4353bcce3a527ad0a4f7f644", GIT_OID_SHA1); + cl_git_pass(git_reference_create(&ref, g_repo, "refs/heads/master", &id, 1, NULL)); + git_reference_free(ref); + + cl_git_pass(git_reflog_read(&log, g_repo, "HEAD")); + nlogs_after = git_reflog_entrycount(log); + git_reflog_free(log); + + cl_assert_equal_i(nlogs_after, nlogs); + + cl_git_pass(git_reflog_read(&log, g_repo, "refs/heads/master")); + nlogs_master_after = git_reflog_entrycount(log); + git_reflog_free(log); + + cl_assert_equal_i(nlogs_after, nlogs); + cl_assert_equal_i(nlogs_master_after, nlogs_master); + +} + +void test_refs_reflog_reflog__logallrefupdates_bare_set_false(void) +{ + git_config *config; + + cl_git_pass(git_repository_config(&config, g_repo)); + cl_git_pass(git_config_set_bool(config, "core.logallrefupdates", false)); + git_config_free(config); + + assert_no_reflog_update(); +} + +void test_refs_reflog_reflog__logallrefupdates_bare_set_always(void) +{ + git_config *config; + git_reference *ref; + git_reflog *log; + git_oid id; + + cl_git_pass(git_repository_config(&config, g_repo)); + cl_git_pass(git_config_set_string(config, "core.logallrefupdates", "always")); + git_config_free(config); + + git_oid__fromstr(&id, "be3563ae3f795b2b4353bcce3a527ad0a4f7f644", GIT_OID_SHA1); + cl_git_pass(git_reference_create(&ref, g_repo, "refs/bork", &id, 1, "message")); + + cl_git_pass(git_reflog_read(&log, g_repo, "refs/bork")); + cl_assert_equal_i(1, git_reflog_entrycount(log)); + cl_assert_equal_s("message", git_reflog_entry_byindex(log, 0)->msg); + + git_reflog_free(log); + git_reference_free(ref); +} + +void test_refs_reflog_reflog__logallrefupdates_bare_unset(void) +{ + git_config *config; + + cl_git_pass(git_repository_config(&config, g_repo)); + cl_git_pass(git_config_delete_entry(config, "core.logallrefupdates")); + git_config_free(config); + + assert_no_reflog_update(); +} + +void test_refs_reflog_reflog__logallrefupdates_nonbare_set_false(void) +{ + git_config *config; + + cl_git_sandbox_cleanup(); + g_repo = cl_git_sandbox_init("testrepo"); + + + cl_git_pass(git_repository_config(&config, g_repo)); + cl_git_pass(git_config_set_bool(config, "core.logallrefupdates", false)); + git_config_free(config); + + assert_no_reflog_update(); +} |