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Diffstat (limited to 'src/test/test-udev-util.c')
| -rw-r--r-- | src/test/test-udev-util.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/test/test-udev-util.c b/src/test/test-udev-util.c new file mode 100644 index 0000000..4be3694 --- /dev/null +++ b/src/test/test-udev-util.c @@ -0,0 +1,176 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <stdlib.h> +#include <string.h> + +#include "macro.h" +#include "string-util.h" +#include "tests.h" +#include "udev-util.h" + +static void test_udev_rule_parse_value_one(const char *in, const char *expected_value, int expected_retval) { + _cleanup_free_ char *str = NULL; + char *value = UINT_TO_PTR(0x12345678U); + char *endpos = UINT_TO_PTR(0x87654321U); + + log_info("/* %s (%s, %s, %d) */", __func__, in, strnull(expected_value), expected_retval); + + assert_se(str = strdup(in)); + assert_se(udev_rule_parse_value(str, &value, &endpos) == expected_retval); + if (expected_retval < 0) { + /* not modified on failure */ + assert_se(value == UINT_TO_PTR(0x12345678U)); + assert_se(endpos == UINT_TO_PTR(0x87654321U)); + } else { + assert_se(streq_ptr(value, expected_value)); + assert_se(endpos == str + strlen(in)); + /* + * The return value must be terminated by two subsequent NULs + * so it could be safely interpreted as nulstr. + */ + assert_se(value[strlen(value) + 1] == '\0'); + } +} + +TEST(udev_rule_parse_value) { + /* input: "valid operand" + * parsed: valid operand + * use the following command to help generate textual C strings: + * python3 -c 'import json; print(json.dumps(input()))' */ + test_udev_rule_parse_value_one("\"valid operand\"", "valid operand", 0); + /* input: "va'l\'id\"op\"erand" + * parsed: va'l\'id"op"erand */ + test_udev_rule_parse_value_one("\"va'l\\'id\\\"op\\\"erand\"", "va'l\\'id\"op\"erand", 0); + test_udev_rule_parse_value_one("no quotes", NULL, -EINVAL); + test_udev_rule_parse_value_one("\"\\\\a\\b\\x\\y\"", "\\\\a\\b\\x\\y", 0); + test_udev_rule_parse_value_one("\"reject\0nul\"", NULL, -EINVAL); + /* input: e"" */ + test_udev_rule_parse_value_one("e\"\"", "", 0); + /* input: e"1234" */ + test_udev_rule_parse_value_one("e\"1234\"", "1234", 0); + /* input: e"\"" */ + test_udev_rule_parse_value_one("e\"\\\"\"", "\"", 0); + /* input: e"\ */ + test_udev_rule_parse_value_one("e\"\\", NULL, -EINVAL); + /* input: e"\" */ + test_udev_rule_parse_value_one("e\"\\\"", NULL, -EINVAL); + /* input: e"\\" */ + test_udev_rule_parse_value_one("e\"\\\\\"", "\\", 0); + /* input: e"\\\" */ + test_udev_rule_parse_value_one("e\"\\\\\\\"", NULL, -EINVAL); + /* input: e"\\\"" */ + test_udev_rule_parse_value_one("e\"\\\\\\\"\"", "\\\"", 0); + /* input: e"\\\\" */ + test_udev_rule_parse_value_one("e\"\\\\\\\\\"", "\\\\", 0); + /* input: e"operand with newline\n" */ + test_udev_rule_parse_value_one("e\"operand with newline\\n\"", "operand with newline\n", 0); + /* input: e"single\rcharacter\t\aescape\bsequence" */ + test_udev_rule_parse_value_one( + "e\"single\\rcharacter\\t\\aescape\\bsequence\"", "single\rcharacter\t\aescape\bsequence", 0); + /* input: e"reject\invalid escape sequence" */ + test_udev_rule_parse_value_one("e\"reject\\invalid escape sequence", NULL, -EINVAL); + /* input: e"\ */ + test_udev_rule_parse_value_one("e\"\\", NULL, -EINVAL); + /* input: "s\u1d1c\u1d04\u029c \u1d1c\u0274\u026a\u1d04\u1d0f\u1d05\u1d07 \U0001d568\U0001d560\U0001d568" */ + test_udev_rule_parse_value_one( + "e\"s\\u1d1c\\u1d04\\u029c \\u1d1c\\u0274\\u026a\\u1d04\\u1d0f\\u1d05\\u1d07 \\U0001d568\\U0001d560\\U0001d568\"", + "s\xe1\xb4\x9c\xe1\xb4\x84\xca\x9c \xe1\xb4\x9c\xc9\xb4\xc9\xaa\xe1\xb4\x84\xe1\xb4\x8f\xe1\xb4\x85\xe1\xb4\x87 \xf0\x9d\x95\xa8\xf0\x9d\x95\xa0\xf0\x9d\x95\xa8", + 0); +} + +static void test_udev_replace_whitespace_one_len(const char *str, size_t len, const char *expected) { + _cleanup_free_ char *result = NULL; + int r; + + result = new(char, len + 1); + assert_se(result); + r = udev_replace_whitespace(str, result, len); + assert_se((size_t) r == strlen(expected)); + assert_se(streq(result, expected)); +} + +static void test_udev_replace_whitespace_one(const char *str, const char *expected) { + test_udev_replace_whitespace_one_len(str, strlen(str), expected); +} + +TEST(udev_replace_whitespace) { + test_udev_replace_whitespace_one("hogehoge", "hogehoge"); + test_udev_replace_whitespace_one("hoge hoge", "hoge_hoge"); + test_udev_replace_whitespace_one(" hoge hoge ", "hoge_hoge"); + test_udev_replace_whitespace_one(" ", ""); + test_udev_replace_whitespace_one("hoge ", "hoge"); + + test_udev_replace_whitespace_one_len("hoge hoge ", 9, "hoge_hoge"); + test_udev_replace_whitespace_one_len("hoge hoge ", 8, "hoge_hog"); + test_udev_replace_whitespace_one_len("hoge hoge ", 7, "hoge_ho"); + test_udev_replace_whitespace_one_len("hoge hoge ", 6, "hoge_h"); + test_udev_replace_whitespace_one_len("hoge hoge ", 5, "hoge"); + test_udev_replace_whitespace_one_len("hoge hoge ", 4, "hoge"); + test_udev_replace_whitespace_one_len("hoge hoge ", 3, "hog"); + test_udev_replace_whitespace_one_len("hoge hoge ", 2, "ho"); + test_udev_replace_whitespace_one_len("hoge hoge ", 1, "h"); + test_udev_replace_whitespace_one_len("hoge hoge ", 0, ""); + + test_udev_replace_whitespace_one_len(" hoge hoge ", 16, "hoge_hoge"); + test_udev_replace_whitespace_one_len(" hoge hoge ", 15, "hoge_hoge"); + test_udev_replace_whitespace_one_len(" hoge hoge ", 14, "hoge_hog"); + test_udev_replace_whitespace_one_len(" hoge hoge ", 13, "hoge_ho"); + test_udev_replace_whitespace_one_len(" hoge hoge ", 12, "hoge_h"); + test_udev_replace_whitespace_one_len(" hoge hoge ", 11, "hoge"); + test_udev_replace_whitespace_one_len(" hoge hoge ", 10, "hoge"); + test_udev_replace_whitespace_one_len(" hoge hoge ", 9, "hoge"); + test_udev_replace_whitespace_one_len(" hoge hoge ", 8, "hoge"); + test_udev_replace_whitespace_one_len(" hoge hoge ", 7, "hog"); + test_udev_replace_whitespace_one_len(" hoge hoge ", 6, "ho"); + test_udev_replace_whitespace_one_len(" hoge hoge ", 5, "h"); + test_udev_replace_whitespace_one_len(" hoge hoge ", 4, ""); + test_udev_replace_whitespace_one_len(" hoge hoge ", 3, ""); + test_udev_replace_whitespace_one_len(" hoge hoge ", 2, ""); + test_udev_replace_whitespace_one_len(" hoge hoge ", 1, ""); + test_udev_replace_whitespace_one_len(" hoge hoge ", 0, ""); +} + +static void test_udev_resolve_subsys_kernel_one(const char *str, bool read_value, int retval, const char *expected) { + char result[PATH_MAX] = ""; + int r; + + r = udev_resolve_subsys_kernel(str, result, sizeof(result), read_value); + log_info("\"%s\" → expect: \"%s\", %d, actual: \"%s\", %d", str, strnull(expected), retval, result, r); + assert_se(r == retval); + if (r >= 0) + assert_se(streq(result, expected)); +} + +TEST(udev_resolve_subsys_kernel) { + test_udev_resolve_subsys_kernel_one("hoge", false, -EINVAL, NULL); + test_udev_resolve_subsys_kernel_one("[hoge", false, -EINVAL, NULL); + test_udev_resolve_subsys_kernel_one("[hoge/foo", false, -EINVAL, NULL); + test_udev_resolve_subsys_kernel_one("[hoge/]", false, -EINVAL, NULL); + + test_udev_resolve_subsys_kernel_one("[net/lo]", false, 0, "/sys/devices/virtual/net/lo"); + test_udev_resolve_subsys_kernel_one("[net/lo]/", false, 0, "/sys/devices/virtual/net/lo"); + test_udev_resolve_subsys_kernel_one("[net/lo]hoge", false, 0, "/sys/devices/virtual/net/lo/hoge"); + test_udev_resolve_subsys_kernel_one("[net/lo]/hoge", false, 0, "/sys/devices/virtual/net/lo/hoge"); + + test_udev_resolve_subsys_kernel_one("[net/lo]", true, -EINVAL, NULL); + test_udev_resolve_subsys_kernel_one("[net/lo]/", true, -EINVAL, NULL); + test_udev_resolve_subsys_kernel_one("[net/lo]hoge", true, 0, ""); + test_udev_resolve_subsys_kernel_one("[net/lo]/hoge", true, 0, ""); + test_udev_resolve_subsys_kernel_one("[net/lo]address", true, 0, "00:00:00:00:00:00"); + test_udev_resolve_subsys_kernel_one("[net/lo]/address", true, 0, "00:00:00:00:00:00"); +} + +TEST(devpath_conflict) { + assert_se(!devpath_conflict(NULL, NULL)); + assert_se(!devpath_conflict(NULL, "/devices/pci0000:00/0000:00:1c.4")); + assert_se(!devpath_conflict("/devices/pci0000:00/0000:00:1c.4", NULL)); + assert_se(!devpath_conflict("/devices/pci0000:00/0000:00:1c.4", "/devices/pci0000:00/0000:00:00.0")); + assert_se(!devpath_conflict("/devices/virtual/net/veth99", "/devices/virtual/net/veth999")); + + assert_se(devpath_conflict("/devices/pci0000:00/0000:00:1c.4", "/devices/pci0000:00/0000:00:1c.4")); + assert_se(devpath_conflict("/devices/pci0000:00/0000:00:1c.4", "/devices/pci0000:00/0000:00:1c.4/0000:3c:00.0")); + assert_se(devpath_conflict("/devices/pci0000:00/0000:00:1c.4/0000:3c:00.0/nvme/nvme0/nvme0n1", + "/devices/pci0000:00/0000:00:1c.4/0000:3c:00.0/nvme/nvme0/nvme0n1/nvme0n1p1")); +} + +DEFINE_TEST_MAIN(LOG_INFO); |