tests/repo/head.c

   1 #include "clar_libgit2.h"
   2 #include "refs.h"
   3 #include "repo_helpers.h"
   4 #include "posix.h"
   5
   6 static git_repository *repo;
   7
   8 void test_repo_head__initialize(void)
   9 {
  10         repo = cl_git_sandbox_init("testrepo.git");
  11 }
  12
  13 void test_repo_head__cleanup(void)
  14 {
  15         cl_git_sandbox_cleanup();
  16 }
  17
  18 void test_repo_head__head_detached(void)
  19 {
  20         git_reference *ref;
  21
  22         cl_git_pass(git_repository_head_detached(repo));
  23
  24         cl_git_pass(git_repository_detach_head(repo));
  25
  26         cl_assert_equal_i(true, git_repository_head_detached(repo));
  27
  28         /* take the reop back to it's original state */
  29         cl_git_pass(git_reference_symbolic_create(&ref, repo, "HEAD", "refs/heads/master", 1, NULL, NULL));
  30         git_reference_free(ref);
  31
  32         cl_assert_equal_i(false, git_repository_head_detached(repo));
  33 }
  34
  35 void test_repo_head__unborn_head(void)
  36 {
  37         git_reference *ref;
  38
  39         cl_git_pass(git_repository_head_detached(repo));
  40
  41         make_head_unborn(repo, NON_EXISTING_HEAD);
  42
  43         cl_assert(git_repository_head_unborn(repo) == 1);
  44
  45
  46         /* take the repo back to it's original state */
  47         cl_git_pass(git_reference_symbolic_create(&ref, repo, "HEAD", "refs/heads/master", 1, NULL, NULL));
  48         cl_assert(git_repository_head_unborn(repo) == 0);
  49
  50         git_reference_free(ref);
  51 }
  52
  53 void test_repo_head__set_head_Attaches_HEAD_to_un_unborn_branch_when_the_branch_doesnt_exist(void)
  54 {
  55         git_reference *head;
  56
  57         cl_git_pass(git_repository_set_head(repo, "refs/heads/doesnt/exist/yet"));
  58
  59         cl_assert_equal_i(false, git_repository_head_detached(repo));
  60
  61         cl_assert_equal_i(GIT_EUNBORNBRANCH, git_repository_head(&head, repo));
  62 }
  63
  64 void test_repo_head__set_head_Returns_ENOTFOUND_when_the_reference_doesnt_exist(void)
  65 {
  66         cl_assert_equal_i(GIT_ENOTFOUND, git_repository_set_head(repo, "refs/tags/doesnt/exist/yet"));
  67 }
  68
  69 void test_repo_head__set_head_Fails_when_the_reference_points_to_a_non_commitish(void)
  70 {
  71         cl_git_fail(git_repository_set_head(repo, "refs/tags/point_to_blob"));
  72 }
  73
  74 void test_repo_head__set_head_Attaches_HEAD_when_the_reference_points_to_a_branch(void)
  75 {
  76         git_reference *head;
  77
  78         cl_git_pass(git_repository_set_head(repo, "refs/heads/br2"));
  79
  80         cl_assert_equal_i(false, git_repository_head_detached(repo));
  81
  82         cl_git_pass(git_repository_head(&head, repo));
  83         cl_assert_equal_s("refs/heads/br2", git_reference_name(head));
  84
  85         git_reference_free(head);
  86 }
  87
  88 static void assert_head_is_correctly_detached(void)
  89 {
  90         git_reference *head;
  91         git_object *commit;
  92
  93         cl_assert_equal_i(true, git_repository_head_detached(repo));
  94
  95         cl_git_pass(git_repository_head(&head, repo));
  96
  97         cl_git_pass(git_object_lookup(&commit, repo, git_reference_target(head), GIT_OBJ_COMMIT));
  98
  99         git_object_free(commit);
 100         git_reference_free(head);
 101 }
 102
 103 void test_repo_head__set_head_Detaches_HEAD_when_the_reference_doesnt_point_to_a_branch(void)
 104 {
 105         cl_git_pass(git_repository_set_head(repo, "refs/tags/test"));
 106
 107         cl_assert_equal_i(true, git_repository_head_detached(repo));
 108
 109         assert_head_is_correctly_detached();
 110 }
 111
 112 void test_repo_head__set_head_detached_Return_ENOTFOUND_when_the_object_doesnt_exist(void)
 113 {
 114         git_oid oid;
 115
 116         cl_git_pass(git_oid_fromstr(&oid, "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef"));
 117
 118         cl_assert_equal_i(GIT_ENOTFOUND, git_repository_set_head_detached(repo, &oid));
 119 }
 120
 121 void test_repo_head__set_head_detached_Fails_when_the_object_isnt_a_commitish(void)
 122 {
 123         git_object *blob;
 124
 125         cl_git_pass(git_revparse_single(&blob, repo, "point_to_blob"));
 126
 127         cl_git_fail(git_repository_set_head_detached(repo, git_object_id(blob)));
 128
 129         git_object_free(blob);
 130 }
 131
 132 void test_repo_head__set_head_detached_Detaches_HEAD_and_make_it_point_to_the_peeled_commit(void)
 133 {
 134         git_object *tag;
 135
 136         cl_git_pass(git_revparse_single(&tag, repo, "tags/test"));
 137         cl_assert_equal_i(GIT_OBJ_TAG, git_object_type(tag));
 138
 139         cl_git_pass(git_repository_set_head_detached(repo, git_object_id(tag)));
 140
 141         assert_head_is_correctly_detached();
 142
 143         git_object_free(tag);
 144 }
 145
 146 void test_repo_head__detach_head_Detaches_HEAD_and_make_it_point_to_the_peeled_commit(void)
 147 {
 148         cl_assert_equal_i(false, git_repository_head_detached(repo));
 149
 150         cl_git_pass(git_repository_detach_head(repo));
 151
 152         assert_head_is_correctly_detached();
 153 }
 154
 155 void test_repo_head__detach_head_Fails_if_HEAD_and_point_to_a_non_commitish(void)
 156 {
 157         git_reference *head;
 158
 159         cl_git_pass(git_reference_symbolic_create(&head, repo, GIT_HEAD_FILE, "refs/tags/point_to_blob", 1, NULL, NULL));
 160
 161         cl_git_fail(git_repository_detach_head(repo));
 162
 163         git_reference_free(head);
 164 }
 165
 166 void test_repo_head__detaching_an_unborn_branch_returns_GIT_EUNBORNBRANCH(void)
 167 {
 168         make_head_unborn(repo, NON_EXISTING_HEAD);
 169
 170         cl_assert_equal_i(GIT_EUNBORNBRANCH, git_repository_detach_head(repo));
 171 }
 172
 173 void test_repo_head__retrieving_an_unborn_branch_returns_GIT_EUNBORNBRANCH(void)
 174 {
 175         git_reference *head;
 176
 177         make_head_unborn(repo, NON_EXISTING_HEAD);
 178
 179         cl_assert_equal_i(GIT_EUNBORNBRANCH, git_repository_head(&head, repo));
 180 }
 181
 182 void test_repo_head__retrieving_a_missing_head_returns_GIT_ENOTFOUND(void)
 183 {
 184         git_reference *head;
 185
 186         delete_head(repo);
 187
 188         cl_assert_equal_i(GIT_ENOTFOUND, git_repository_head(&head, repo));
 189 }
 190
 191 void test_repo_head__can_tell_if_an_unborn_head_is_detached(void)
 192 {
 193         make_head_unborn(repo, NON_EXISTING_HEAD);
 194
 195         cl_assert_equal_i(false, git_repository_head_detached(repo));
 196 }