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Diffstat (limited to 'tests/libgit2/repo/discover.c')
| -rw-r--r-- | tests/libgit2/repo/discover.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/tests/libgit2/repo/discover.c b/tests/libgit2/repo/discover.c new file mode 100644 index 000000000..523fdf8e3 --- /dev/null +++ b/tests/libgit2/repo/discover.c @@ -0,0 +1,210 @@ +#include "clar_libgit2.h" + +#include "odb.h" +#include "futils.h" +#include "repository.h" + +#define TEMP_REPO_FOLDER "temprepo/" +#define DISCOVER_FOLDER TEMP_REPO_FOLDER "discover.git" + +#define SUB_REPOSITORY_FOLDER_NAME "sub_repo" +#define SUB_REPOSITORY_FOLDER DISCOVER_FOLDER "/" SUB_REPOSITORY_FOLDER_NAME +#define SUB_REPOSITORY_GITDIR SUB_REPOSITORY_FOLDER "/.git" +#define SUB_REPOSITORY_FOLDER_SUB SUB_REPOSITORY_FOLDER "/sub" +#define SUB_REPOSITORY_FOLDER_SUB_SUB SUB_REPOSITORY_FOLDER_SUB "/subsub" +#define SUB_REPOSITORY_FOLDER_SUB_SUB_SUB SUB_REPOSITORY_FOLDER_SUB_SUB "/subsubsub" + +#define REPOSITORY_ALTERNATE_FOLDER DISCOVER_FOLDER "/alternate_sub_repo" +#define REPOSITORY_ALTERNATE_FOLDER_SUB REPOSITORY_ALTERNATE_FOLDER "/sub" +#define REPOSITORY_ALTERNATE_FOLDER_SUB_SUB REPOSITORY_ALTERNATE_FOLDER_SUB "/subsub" +#define REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB REPOSITORY_ALTERNATE_FOLDER_SUB_SUB "/subsubsub" + +#define ALTERNATE_MALFORMED_FOLDER1 DISCOVER_FOLDER "/alternate_malformed_repo1" +#define ALTERNATE_MALFORMED_FOLDER2 DISCOVER_FOLDER "/alternate_malformed_repo2" +#define ALTERNATE_MALFORMED_FOLDER3 DISCOVER_FOLDER "/alternate_malformed_repo3" +#define ALTERNATE_NOT_FOUND_FOLDER DISCOVER_FOLDER "/alternate_not_found_repo" + +static void ensure_repository_discover(const char *start_path, + const char *ceiling_dirs, + const char *expected_path) +{ + git_buf found_path = GIT_BUF_INIT; + git_str resolved = GIT_STR_INIT; + + git_str_attach(&resolved, p_realpath(expected_path, NULL), 0); + cl_assert(resolved.size > 0); + cl_git_pass(git_fs_path_to_dir(&resolved)); + cl_git_pass(git_repository_discover(&found_path, start_path, 1, ceiling_dirs)); + + cl_assert_equal_s(found_path.ptr, resolved.ptr); + + git_str_dispose(&resolved); + git_buf_dispose(&found_path); +} + +static void write_file(const char *path, const char *content) +{ + git_file file; + int error; + + if (git_fs_path_exists(path)) { + cl_git_pass(p_unlink(path)); + } + + file = git_futils_creat_withpath(path, 0777, 0666); + cl_assert(file >= 0); + + error = p_write(file, content, strlen(content) * sizeof(char)); + p_close(file); + cl_git_pass(error); +} + +/*no check is performed on ceiling_dirs length, so be sure it's long enough */ +static void append_ceiling_dir(git_str *ceiling_dirs, const char *path) +{ + git_str pretty_path = GIT_STR_INIT; + char ceiling_separator[2] = { GIT_PATH_LIST_SEPARATOR, '\0' }; + + cl_git_pass(git_fs_path_prettify_dir(&pretty_path, path, NULL)); + + if (ceiling_dirs->size > 0) + git_str_puts(ceiling_dirs, ceiling_separator); + + git_str_puts(ceiling_dirs, pretty_path.ptr); + + git_str_dispose(&pretty_path); + cl_assert(git_str_oom(ceiling_dirs) == 0); +} + +static git_buf discovered; +static git_str ceiling_dirs; + +void test_repo_discover__initialize(void) +{ + git_repository *repo; + const mode_t mode = 0777; + git_futils_mkdir_r(DISCOVER_FOLDER, mode); + + git_str_init(&ceiling_dirs, 0); + append_ceiling_dir(&ceiling_dirs, TEMP_REPO_FOLDER); + + cl_git_pass(git_repository_init(&repo, DISCOVER_FOLDER, 1)); + git_repository_free(repo); + + cl_git_pass(git_repository_init(&repo, SUB_REPOSITORY_FOLDER, 0)); + cl_git_pass(git_futils_mkdir_r(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, mode)); + cl_git_pass(git_futils_mkdir_r(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, mode)); + + cl_git_pass(git_futils_mkdir_r(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, mode)); + write_file(REPOSITORY_ALTERNATE_FOLDER "/" DOT_GIT, "gitdir: ../" SUB_REPOSITORY_FOLDER_NAME "/" DOT_GIT); + write_file(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB "/" DOT_GIT, "gitdir: ../../../" SUB_REPOSITORY_FOLDER_NAME "/" DOT_GIT); + write_file(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB "/" DOT_GIT, "gitdir: ../../../../"); + + cl_git_pass(git_futils_mkdir_r(ALTERNATE_MALFORMED_FOLDER1, mode)); + write_file(ALTERNATE_MALFORMED_FOLDER1 "/" DOT_GIT, "Anything but not gitdir:"); + cl_git_pass(git_futils_mkdir_r(ALTERNATE_MALFORMED_FOLDER2, mode)); + write_file(ALTERNATE_MALFORMED_FOLDER2 "/" DOT_GIT, "gitdir:"); + cl_git_pass(git_futils_mkdir_r(ALTERNATE_MALFORMED_FOLDER3, mode)); + write_file(ALTERNATE_MALFORMED_FOLDER3 "/" DOT_GIT, "gitdir: \n\n\n"); + cl_git_pass(git_futils_mkdir_r(ALTERNATE_NOT_FOUND_FOLDER, mode)); + write_file(ALTERNATE_NOT_FOUND_FOLDER "/" DOT_GIT, "gitdir: a_repository_that_surely_does_not_exist"); + + git_repository_free(repo); +} + +void test_repo_discover__cleanup(void) +{ + git_buf_dispose(&discovered); + git_str_dispose(&ceiling_dirs); + cl_git_pass(git_futils_rmdir_r(TEMP_REPO_FOLDER, NULL, GIT_RMDIR_REMOVE_FILES)); +} + +void test_repo_discover__discovering_repo_with_exact_path_succeeds(void) +{ + cl_git_pass(git_repository_discover(&discovered, DISCOVER_FOLDER, 0, ceiling_dirs.ptr)); + cl_git_pass(git_repository_discover(&discovered, SUB_REPOSITORY_FOLDER, 0, ceiling_dirs.ptr)); +} + +void test_repo_discover__discovering_nonexistent_dir_fails(void) +{ + cl_assert_equal_i(GIT_ENOTFOUND, git_repository_discover(&discovered, DISCOVER_FOLDER "-nonexistent", 0, NULL)); +} + +void test_repo_discover__discovering_repo_with_subdirectory_succeeds(void) +{ + ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB, ceiling_dirs.ptr, SUB_REPOSITORY_GITDIR); + ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB_SUB, ceiling_dirs.ptr, SUB_REPOSITORY_GITDIR); + ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, ceiling_dirs.ptr, SUB_REPOSITORY_GITDIR); +} + +void test_repo_discover__discovering_repository_with_alternative_gitdir_succeeds(void) +{ + ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER, ceiling_dirs.ptr, SUB_REPOSITORY_GITDIR); + ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB, ceiling_dirs.ptr, SUB_REPOSITORY_GITDIR); + ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB, ceiling_dirs.ptr, SUB_REPOSITORY_GITDIR); + ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, ceiling_dirs.ptr, DISCOVER_FOLDER); +} + +void test_repo_discover__discovering_repository_with_malformed_alternative_gitdir_fails(void) +{ + cl_git_fail(git_repository_discover(&discovered, ALTERNATE_MALFORMED_FOLDER1, 0, ceiling_dirs.ptr)); + cl_git_fail(git_repository_discover(&discovered, ALTERNATE_MALFORMED_FOLDER2, 0, ceiling_dirs.ptr)); + cl_git_fail(git_repository_discover(&discovered, ALTERNATE_MALFORMED_FOLDER3, 0, ceiling_dirs.ptr)); + cl_assert_equal_i(GIT_ENOTFOUND, git_repository_discover(&discovered, ALTERNATE_NOT_FOUND_FOLDER, 0, ceiling_dirs.ptr)); +} + +void test_repo_discover__discovering_repository_with_ceiling(void) +{ + append_ceiling_dir(&ceiling_dirs, SUB_REPOSITORY_FOLDER_SUB); + + /* this must pass as ceiling_directories cannot prevent the current + * working directory to be checked */ + ensure_repository_discover(SUB_REPOSITORY_FOLDER, ceiling_dirs.ptr, SUB_REPOSITORY_GITDIR); + + ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB, ceiling_dirs.ptr, SUB_REPOSITORY_GITDIR); + cl_assert_equal_i(GIT_ENOTFOUND, git_repository_discover(&discovered, SUB_REPOSITORY_FOLDER_SUB_SUB, 0, ceiling_dirs.ptr)); + cl_assert_equal_i(GIT_ENOTFOUND, git_repository_discover(&discovered, SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, 0, ceiling_dirs.ptr)); +} + +void test_repo_discover__other_ceiling(void) +{ + append_ceiling_dir(&ceiling_dirs, SUB_REPOSITORY_FOLDER); + + /* this must pass as ceiling_directories cannot predent the current + * working directory to be checked */ + ensure_repository_discover(SUB_REPOSITORY_FOLDER, ceiling_dirs.ptr, SUB_REPOSITORY_GITDIR); + + cl_assert_equal_i(GIT_ENOTFOUND, git_repository_discover(&discovered, SUB_REPOSITORY_FOLDER_SUB, 0, ceiling_dirs.ptr)); + cl_assert_equal_i(GIT_ENOTFOUND, git_repository_discover(&discovered, SUB_REPOSITORY_FOLDER_SUB_SUB, 0, ceiling_dirs.ptr)); + cl_assert_equal_i(GIT_ENOTFOUND, git_repository_discover(&discovered, SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, 0, ceiling_dirs.ptr)); +} + +void test_repo_discover__ceiling_should_not_affect_gitdir_redirection(void) +{ + append_ceiling_dir(&ceiling_dirs, SUB_REPOSITORY_FOLDER); + + /* gitfile redirection should not be affected by ceiling directories */ + ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER, ceiling_dirs.ptr, SUB_REPOSITORY_GITDIR); + ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB, ceiling_dirs.ptr, SUB_REPOSITORY_GITDIR); + ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB, ceiling_dirs.ptr, SUB_REPOSITORY_GITDIR); + ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, ceiling_dirs.ptr, DISCOVER_FOLDER); +} + +void test_repo_discover__discovery_starting_at_file_succeeds(void) +{ + int fd; + + cl_assert((fd = p_creat(SUB_REPOSITORY_FOLDER "/file", 0600)) >= 0); + cl_assert(p_close(fd) == 0); + + ensure_repository_discover(SUB_REPOSITORY_FOLDER "/file", ceiling_dirs.ptr, SUB_REPOSITORY_GITDIR); +} + +void test_repo_discover__discovery_starting_at_system_root_causes_no_hang(void) +{ +#ifdef GIT_WIN32 + git_buf out = GIT_BUF_INIT; + cl_git_fail(git_repository_discover(&out, "C:/", 0, NULL)); + cl_git_fail(git_repository_discover(&out, "//localhost/", 0, NULL)); +#endif +} |