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Diffstat (limited to 'tests/libgit2/config/stress.c')
| -rw-r--r-- | tests/libgit2/config/stress.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/tests/libgit2/config/stress.c b/tests/libgit2/config/stress.c new file mode 100644 index 000000000..69e6810fa --- /dev/null +++ b/tests/libgit2/config/stress.c @@ -0,0 +1,206 @@ +#include "clar_libgit2.h" + +#include "filebuf.h" +#include "futils.h" +#include "posix.h" + +#define TEST_CONFIG "git-test-config" + +static git_buf buf = GIT_BUF_INIT; + +void test_config_stress__initialize(void) +{ + git_filebuf file = GIT_FILEBUF_INIT; + + cl_git_pass(git_filebuf_open(&file, TEST_CONFIG, 0, 0666)); + + git_filebuf_printf(&file, "[color]\n\tui = auto\n"); + git_filebuf_printf(&file, "[core]\n\teditor = \n"); + + cl_git_pass(git_filebuf_commit(&file)); +} + +void test_config_stress__cleanup(void) +{ + git_buf_dispose(&buf); + p_unlink(TEST_CONFIG); +} + +void test_config_stress__dont_break_on_invalid_input(void) +{ + git_config *config; + + cl_assert(git_fs_path_exists(TEST_CONFIG)); + cl_git_pass(git_config_open_ondisk(&config, TEST_CONFIG)); + + cl_git_pass(git_config_get_string_buf(&buf, config, "color.ui")); + cl_git_pass(git_config_get_string_buf(&buf, config, "core.editor")); + + git_config_free(config); +} + +static void assert_config_value(git_config *config, const char *key, const char *value) +{ + git_buf_dispose(&buf); + cl_git_pass(git_config_get_string_buf(&buf, config, key)); + cl_assert_equal_s(value, buf.ptr); +} + +void test_config_stress__comments(void) +{ + git_config *config; + + cl_git_pass(git_config_open_ondisk(&config, cl_fixture("config/config12"))); + + assert_config_value(config, "some.section.test2", "hello"); + assert_config_value(config, "some.section.test3", "welcome"); + assert_config_value(config, "some.section.other", "hello! \" ; ; ; "); + assert_config_value(config, "some.section.other2", "cool! \" # # # "); + assert_config_value(config, "some.section.multi", "hi, this is a ; multiline comment # with ;\n special chars and other stuff !@#"); + assert_config_value(config, "some.section.multi2", "good, this is a ; multiline comment # with ;\n special chars and other stuff !@#"); + assert_config_value(config, "some.section.back", "this is \ba phrase"); + assert_config_value(config, "some.section.dollar", "some $sign"); + assert_config_value(config, "some.section.multiquotes", "!ls x ls # comment2 $HOME"); + assert_config_value(config, "some.section.multiquotes2", "!ls x ls \"# comment2 $HOME\""); + assert_config_value(config, "some.section.multiquotes3", "hi # ho there are # more quotes"); + assert_config_value(config, "some.section.quotecomment", "hi # ho there are # more"); + + git_config_free(config); +} + +void test_config_stress__escape_subsection_names(void) +{ + git_config *config; + + cl_assert(git_fs_path_exists("git-test-config")); + cl_git_pass(git_config_open_ondisk(&config, TEST_CONFIG)); + + cl_git_pass(git_config_set_string(config, "some.sec\\tion.other", "foo")); + git_config_free(config); + + cl_git_pass(git_config_open_ondisk(&config, TEST_CONFIG)); + + assert_config_value(config, "some.sec\\tion.other", "foo"); + + git_config_free(config); +} + +void test_config_stress__trailing_backslash(void) +{ + git_config *config; + const char *path = "C:\\iam\\some\\windows\\path\\"; + + cl_assert(git_fs_path_exists("git-test-config")); + cl_git_pass(git_config_open_ondisk(&config, TEST_CONFIG)); + cl_git_pass(git_config_set_string(config, "windows.path", path)); + git_config_free(config); + + cl_git_pass(git_config_open_ondisk(&config, TEST_CONFIG)); + assert_config_value(config, "windows.path", path); + + git_config_free(config); +} + +void test_config_stress__complex(void) +{ + git_config *config; + const char *path = "./config-immediate-multiline"; + + cl_git_mkfile(path, "[imm]\n multi = \"\\\nfoo\""); + cl_git_pass(git_config_open_ondisk(&config, path)); + assert_config_value(config, "imm.multi", "foo"); + + git_config_free(config); +} + +void test_config_stress__quick_write(void) +{ + git_config *config_w, *config_r; + const char *path = "./config-quick-write"; + const char *key = "quick.write"; + int32_t i; + + /* Create an external writer for one instance with the other one */ + cl_git_pass(git_config_open_ondisk(&config_w, path)); + cl_git_pass(git_config_open_ondisk(&config_r, path)); + + /* Write and read in the same second (repeat to increase the chance of it happening) */ + for (i = 0; i < 10; i++) { + int32_t val; + cl_git_pass(git_config_set_int32(config_w, key, i)); + cl_msleep(1); + cl_git_pass(git_config_get_int32(&val, config_r, key)); + cl_assert_equal_i(i, val); + } + + git_config_free(config_r); + git_config_free(config_w); +} + +static int foreach_cb(const git_config_entry *entry, void *payload) +{ + if (!strcmp(entry->name, "key.value")) { + *(char **)payload = git__strdup(entry->value); + return 0; + } + return -1; +} + +void test_config_stress__foreach_refreshes(void) +{ + git_config *config_w, *config_r; + char *value = NULL; + + cl_git_pass(git_config_open_ondisk(&config_w, "./cfg")); + cl_git_pass(git_config_open_ondisk(&config_r, "./cfg")); + + cl_git_pass(git_config_set_string(config_w, "key.value", "1")); + cl_git_pass(git_config_foreach_match(config_r, "key.value", foreach_cb, &value)); + + cl_assert_equal_s(value, "1"); + + git_config_free(config_r); + git_config_free(config_w); + git__free(value); +} + +void test_config_stress__foreach_refreshes_snapshot(void) +{ + git_config *config, *snapshot; + char *value = NULL; + + cl_git_pass(git_config_open_ondisk(&config, "./cfg")); + + cl_git_pass(git_config_set_string(config, "key.value", "1")); + cl_git_pass(git_config_snapshot(&snapshot, config)); + cl_git_pass(git_config_foreach_match(snapshot, "key.value", foreach_cb, &value)); + + cl_assert_equal_s(value, "1"); + + git_config_free(snapshot); + git_config_free(config); + git__free(value); +} + +void test_config_stress__huge_section_with_many_values(void) +{ + git_config *config; + + if (!cl_is_env_set("GITTEST_INVASIVE_SPEED")) + cl_skip(); + + /* + * The config file is structured in such a way that is + * has a section header that is approximately 500kb of + * size followed by 40k entries. While the resulting + * configuration file itself is roughly 650kb in size and + * thus considered to be rather small, in the past we'd + * balloon to more than 20GB of memory (20000x500kb) + * while parsing the file. It thus was a trivial way to + * cause an out-of-memory situation and thus cause denial + * of service, e.g. via gitmodules. + */ + cl_git_pass(git_config_open_ondisk(&config, cl_fixture("config/config-oom"))); + + git_config_free(config); +} |