tests/repo/discover.c

   1 #include "clar_libgit2.h"
   2
   3 #include "odb.h"
   4 #include "fileops.h"
   5 #include "repository.h"
   6
   7 #define TEMP_REPO_FOLDER "temprepo/"
   8 #define DISCOVER_FOLDER TEMP_REPO_FOLDER "discover.git"
   9
  10 #define SUB_REPOSITORY_FOLDER_NAME "sub_repo"
  11 #define SUB_REPOSITORY_FOLDER DISCOVER_FOLDER "/" SUB_REPOSITORY_FOLDER_NAME
  12 #define SUB_REPOSITORY_FOLDER_SUB SUB_REPOSITORY_FOLDER "/sub"
  13 #define SUB_REPOSITORY_FOLDER_SUB_SUB SUB_REPOSITORY_FOLDER_SUB "/subsub"
  14 #define SUB_REPOSITORY_FOLDER_SUB_SUB_SUB SUB_REPOSITORY_FOLDER_SUB_SUB "/subsubsub"
  15
  16 #define REPOSITORY_ALTERNATE_FOLDER DISCOVER_FOLDER "/alternate_sub_repo"
  17 #define REPOSITORY_ALTERNATE_FOLDER_SUB REPOSITORY_ALTERNATE_FOLDER "/sub"
  18 #define REPOSITORY_ALTERNATE_FOLDER_SUB_SUB REPOSITORY_ALTERNATE_FOLDER_SUB "/subsub"
  19 #define REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB REPOSITORY_ALTERNATE_FOLDER_SUB_SUB "/subsubsub"
  20
  21 #define ALTERNATE_MALFORMED_FOLDER1 DISCOVER_FOLDER "/alternate_malformed_repo1"
  22 #define ALTERNATE_MALFORMED_FOLDER2 DISCOVER_FOLDER "/alternate_malformed_repo2"
  23 #define ALTERNATE_MALFORMED_FOLDER3 DISCOVER_FOLDER "/alternate_malformed_repo3"
  24 #define ALTERNATE_NOT_FOUND_FOLDER DISCOVER_FOLDER "/alternate_not_found_repo"
  25
  26 static void ensure_repository_discover(const char *start_path,
  27                                        const char *ceiling_dirs,
  28                                        git_buf *expected_path)
  29 {
  30         git_buf found_path = GIT_BUF_INIT;
  31         cl_git_pass(git_repository_discover(&found_path, start_path, 0, ceiling_dirs));
  32         //across_fs is always 0 as we can't automate the filesystem change tests
  33         cl_assert_equal_s(found_path.ptr, expected_path->ptr);
  34         git_buf_free(&found_path);
  35 }
  36
  37 static void write_file(const char *path, const char *content)
  38 {
  39         git_file file;
  40    int error;
  41
  42         if (git_path_exists(path)) {
  43                 cl_git_pass(p_unlink(path));
  44         }
  45
  46         file = git_futils_creat_withpath(path, 0777, 0666);
  47         cl_assert(file >= 0);
  48
  49         error = p_write(file, content, strlen(content) * sizeof(char));
  50         p_close(file);
  51         cl_git_pass(error);
  52 }
  53
  54 //no check is performed on ceiling_dirs length, so be sure it's long enough
  55 static void append_ceiling_dir(git_buf *ceiling_dirs, const char *path)
  56 {
  57         git_buf pretty_path = GIT_BUF_INIT;
  58         char ceiling_separator[2] = { GIT_PATH_LIST_SEPARATOR, '\0' };
  59
  60         cl_git_pass(git_path_prettify_dir(&pretty_path, path, NULL));
  61
  62         if (ceiling_dirs->size > 0)
  63                 git_buf_puts(ceiling_dirs, ceiling_separator);
  64
  65         git_buf_puts(ceiling_dirs, pretty_path.ptr);
  66
  67         git_buf_free(&pretty_path);
  68         cl_assert(git_buf_oom(ceiling_dirs) == 0);
  69 }
  70
  71 void test_repo_discover__0(void)
  72 {
  73         // test discover
  74         git_repository *repo;
  75         git_buf ceiling_dirs_buf = GIT_BUF_INIT, repository_path = GIT_BUF_INIT,
  76                 sub_repository_path = GIT_BUF_INIT, found_path = GIT_BUF_INIT;
  77         const char *ceiling_dirs;
  78         const mode_t mode = 0777;
  79
  80         git_futils_mkdir_r(DISCOVER_FOLDER, mode);
  81         append_ceiling_dir(&ceiling_dirs_buf, TEMP_REPO_FOLDER);
  82         ceiling_dirs = git_buf_cstr(&ceiling_dirs_buf);
  83
  84         cl_assert_equal_i(GIT_ENOTFOUND, git_repository_discover(&repository_path, DISCOVER_FOLDER, 0, ceiling_dirs));
  85
  86         cl_git_pass(git_repository_init(&repo, DISCOVER_FOLDER, 1));
  87         cl_git_pass(git_repository_discover(&repository_path, DISCOVER_FOLDER, 0, ceiling_dirs));
  88         git_repository_free(repo);
  89
  90         cl_git_pass(git_repository_init(&repo, SUB_REPOSITORY_FOLDER, 0));
  91         cl_git_pass(git_futils_mkdir_r(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, mode));
  92         cl_git_pass(git_repository_discover(&sub_repository_path, SUB_REPOSITORY_FOLDER, 0, ceiling_dirs));
  93
  94         cl_git_pass(git_futils_mkdir_r(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, mode));
  95         ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB, ceiling_dirs, &sub_repository_path);
  96         ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB_SUB, ceiling_dirs, &sub_repository_path);
  97         ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, ceiling_dirs, &sub_repository_path);
  98
  99         cl_git_pass(git_futils_mkdir_r(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, mode));
 100         write_file(REPOSITORY_ALTERNATE_FOLDER "/" DOT_GIT, "gitdir: ../" SUB_REPOSITORY_FOLDER_NAME "/" DOT_GIT);
 101         write_file(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB "/" DOT_GIT, "gitdir: ../../../" SUB_REPOSITORY_FOLDER_NAME "/" DOT_GIT);
 102         write_file(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB "/" DOT_GIT, "gitdir: ../../../../");
 103         ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER, ceiling_dirs, &sub_repository_path);
 104         ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB, ceiling_dirs, &sub_repository_path);
 105         ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB, ceiling_dirs, &sub_repository_path);
 106         ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, ceiling_dirs, &repository_path);
 107
 108         cl_git_pass(git_futils_mkdir_r(ALTERNATE_MALFORMED_FOLDER1, mode));
 109         write_file(ALTERNATE_MALFORMED_FOLDER1 "/" DOT_GIT, "Anything but not gitdir:");
 110         cl_git_pass(git_futils_mkdir_r(ALTERNATE_MALFORMED_FOLDER2, mode));
 111         write_file(ALTERNATE_MALFORMED_FOLDER2 "/" DOT_GIT, "gitdir:");
 112         cl_git_pass(git_futils_mkdir_r(ALTERNATE_MALFORMED_FOLDER3, mode));
 113         write_file(ALTERNATE_MALFORMED_FOLDER3 "/" DOT_GIT, "gitdir: \n\n\n");
 114         cl_git_pass(git_futils_mkdir_r(ALTERNATE_NOT_FOUND_FOLDER, mode));
 115         write_file(ALTERNATE_NOT_FOUND_FOLDER "/" DOT_GIT, "gitdir: a_repository_that_surely_does_not_exist");
 116         cl_git_fail(git_repository_discover(&found_path, ALTERNATE_MALFORMED_FOLDER1, 0, ceiling_dirs));
 117         cl_git_fail(git_repository_discover(&found_path, ALTERNATE_MALFORMED_FOLDER2, 0, ceiling_dirs));
 118         cl_git_fail(git_repository_discover(&found_path, ALTERNATE_MALFORMED_FOLDER3, 0, ceiling_dirs));
 119         cl_assert_equal_i(GIT_ENOTFOUND, git_repository_discover(&found_path, ALTERNATE_NOT_FOUND_FOLDER, 0, ceiling_dirs));
 120
 121         append_ceiling_dir(&ceiling_dirs_buf, SUB_REPOSITORY_FOLDER_SUB);
 122         ceiling_dirs = git_buf_cstr(&ceiling_dirs_buf);
 123
 124         /* this must pass as ceiling_directories cannot prevent the current
 125          * working directory to be checked */
 126         ensure_repository_discover(SUB_REPOSITORY_FOLDER, ceiling_dirs, &sub_repository_path);
 127         ensure_repository_discover(SUB_REPOSITORY_FOLDER_SUB, ceiling_dirs, &sub_repository_path);
 128         cl_assert_equal_i(GIT_ENOTFOUND, git_repository_discover(&found_path, SUB_REPOSITORY_FOLDER_SUB_SUB, 0, ceiling_dirs));
 129         cl_assert_equal_i(GIT_ENOTFOUND, git_repository_discover(&found_path, SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, 0, ceiling_dirs));
 130
 131         append_ceiling_dir(&ceiling_dirs_buf, SUB_REPOSITORY_FOLDER);
 132         ceiling_dirs = git_buf_cstr(&ceiling_dirs_buf);
 133
 134         //this must pass as ceiling_directories cannot predent the current
 135         //working directory to be checked
 136         ensure_repository_discover(SUB_REPOSITORY_FOLDER, ceiling_dirs, &sub_repository_path);
 137         cl_assert_equal_i(GIT_ENOTFOUND, git_repository_discover(&found_path, SUB_REPOSITORY_FOLDER_SUB, 0, ceiling_dirs));
 138         cl_assert_equal_i(GIT_ENOTFOUND, git_repository_discover(&found_path, SUB_REPOSITORY_FOLDER_SUB_SUB, 0, ceiling_dirs));
 139         cl_assert_equal_i(GIT_ENOTFOUND, git_repository_discover(&found_path, SUB_REPOSITORY_FOLDER_SUB_SUB_SUB, 0, ceiling_dirs));
 140
 141         //.gitfile redirection should not be affected by ceiling directories
 142         ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER, ceiling_dirs, &sub_repository_path);
 143         ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB, ceiling_dirs, &sub_repository_path);
 144         ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB, ceiling_dirs, &sub_repository_path);
 145         ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, ceiling_dirs, &repository_path);
 146
 147         cl_git_pass(git_futils_rmdir_r(TEMP_REPO_FOLDER, NULL, GIT_RMDIR_REMOVE_FILES));
 148         git_repository_free(repo);
 149         git_buf_free(&ceiling_dirs_buf);
 150         git_buf_free(&repository_path);
 151         git_buf_free(&sub_repository_path);
 152 }
 153