tests/repo/head.c

   1 #include "clar_libgit2.h"
   2 #include "refs.h"
   3 #include "repo_helpers.h"
   4 #include "posix.h"
   5 #include "git2/annotated_commit.h"
   6
   7 static const char *g_email = "foo@example.com";
   8 static git_repository *repo;
   9
  10 void test_repo_head__initialize(void)
  11 {
  12         repo = cl_git_sandbox_init("testrepo.git");
  13         cl_git_pass(git_repository_set_ident(repo, "Foo Bar", g_email));
  14 }
  15
  16 void test_repo_head__cleanup(void)
  17 {
  18         cl_git_sandbox_cleanup();
  19 }
  20
  21 void test_repo_head__unborn_head(void)
  22 {
  23         git_reference *ref;
  24
  25         cl_git_pass(git_repository_head_detached(repo));
  26
  27         make_head_unborn(repo, NON_EXISTING_HEAD);
  28
  29         cl_assert(git_repository_head_unborn(repo) == 1);
  30
  31
  32         /* take the repo back to it's original state */
  33         cl_git_pass(git_reference_symbolic_create(&ref, repo, "HEAD", "refs/heads/master", 1, NULL));
  34         cl_assert(git_repository_head_unborn(repo) == 0);
  35
  36         git_reference_free(ref);
  37 }
  38
  39 void test_repo_head__set_head_Attaches_HEAD_to_un_unborn_branch_when_the_branch_doesnt_exist(void)
  40 {
  41         git_reference *head;
  42
  43         cl_git_pass(git_repository_set_head(repo, "refs/heads/doesnt/exist/yet"));
  44
  45         cl_assert_equal_i(false, git_repository_head_detached(repo));
  46
  47         cl_assert_equal_i(GIT_EUNBORNBRANCH, git_repository_head(&head, repo));
  48 }
  49
  50 void test_repo_head__set_head_Returns_ENOTFOUND_when_the_reference_doesnt_exist(void)
  51 {
  52         cl_assert_equal_i(GIT_ENOTFOUND, git_repository_set_head(repo, "refs/tags/doesnt/exist/yet"));
  53 }
  54
  55 void test_repo_head__set_head_Fails_when_the_reference_points_to_a_non_commitish(void)
  56 {
  57         cl_git_fail(git_repository_set_head(repo, "refs/tags/point_to_blob"));
  58 }
  59
  60 void test_repo_head__set_head_Attaches_HEAD_when_the_reference_points_to_a_branch(void)
  61 {
  62         git_reference *head;
  63
  64         cl_git_pass(git_repository_set_head(repo, "refs/heads/br2"));
  65
  66         cl_assert_equal_i(false, git_repository_head_detached(repo));
  67
  68         cl_git_pass(git_repository_head(&head, repo));
  69         cl_assert_equal_s("refs/heads/br2", git_reference_name(head));
  70
  71         git_reference_free(head);
  72 }
  73
  74 static void assert_head_is_correctly_detached(void)
  75 {
  76         git_reference *head;
  77         git_object *commit;
  78
  79         cl_assert_equal_i(true, git_repository_head_detached(repo));
  80
  81         cl_git_pass(git_repository_head(&head, repo));
  82
  83         cl_git_pass(git_object_lookup(&commit, repo, git_reference_target(head), GIT_OBJECT_COMMIT));
  84
  85         git_object_free(commit);
  86         git_reference_free(head);
  87 }
  88
  89 void test_repo_head__set_head_Detaches_HEAD_when_the_reference_doesnt_point_to_a_branch(void)
  90 {
  91         cl_git_pass(git_repository_set_head(repo, "refs/tags/test"));
  92
  93         cl_assert_equal_i(true, git_repository_head_detached(repo));
  94
  95         assert_head_is_correctly_detached();
  96 }
  97
  98 void test_repo_head__set_head_detached_Return_ENOTFOUND_when_the_object_doesnt_exist(void)
  99 {
 100         git_oid oid;
 101
 102         cl_git_pass(git_oid_fromstr(&oid, "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef"));
 103
 104         cl_assert_equal_i(GIT_ENOTFOUND, git_repository_set_head_detached(repo, &oid));
 105 }
 106
 107 void test_repo_head__set_head_detached_Fails_when_the_object_isnt_a_commitish(void)
 108 {
 109         git_object *blob;
 110
 111         cl_git_pass(git_revparse_single(&blob, repo, "point_to_blob"));
 112
 113         cl_git_fail(git_repository_set_head_detached(repo, git_object_id(blob)));
 114
 115         git_object_free(blob);
 116 }
 117
 118 void test_repo_head__set_head_detached_Detaches_HEAD_and_make_it_point_to_the_peeled_commit(void)
 119 {
 120         git_object *tag;
 121
 122         cl_git_pass(git_revparse_single(&tag, repo, "tags/test"));
 123         cl_assert_equal_i(GIT_OBJECT_TAG, git_object_type(tag));
 124
 125         cl_git_pass(git_repository_set_head_detached(repo, git_object_id(tag)));
 126
 127         assert_head_is_correctly_detached();
 128
 129         git_object_free(tag);
 130 }
 131
 132 void test_repo_head__detach_head_Detaches_HEAD_and_make_it_point_to_the_peeled_commit(void)
 133 {
 134         cl_assert_equal_i(false, git_repository_head_detached(repo));
 135
 136         cl_git_pass(git_repository_detach_head(repo));
 137
 138         assert_head_is_correctly_detached();
 139 }
 140
 141 void test_repo_head__detach_head_Fails_if_HEAD_and_point_to_a_non_commitish(void)
 142 {
 143         git_reference *head;
 144
 145         cl_git_pass(git_reference_symbolic_create(&head, repo, GIT_HEAD_FILE, "refs/tags/point_to_blob", 1, NULL));
 146
 147         cl_git_fail(git_repository_detach_head(repo));
 148
 149         git_reference_free(head);
 150 }
 151
 152 void test_repo_head__detaching_an_unborn_branch_returns_GIT_EUNBORNBRANCH(void)
 153 {
 154         make_head_unborn(repo, NON_EXISTING_HEAD);
 155
 156         cl_assert_equal_i(GIT_EUNBORNBRANCH, git_repository_detach_head(repo));
 157 }
 158
 159 void test_repo_head__retrieving_an_unborn_branch_returns_GIT_EUNBORNBRANCH(void)
 160 {
 161         git_reference *head;
 162
 163         make_head_unborn(repo, NON_EXISTING_HEAD);
 164
 165         cl_assert_equal_i(GIT_EUNBORNBRANCH, git_repository_head(&head, repo));
 166 }
 167
 168 void test_repo_head__retrieving_a_missing_head_returns_GIT_ENOTFOUND(void)
 169 {
 170         git_reference *head;
 171
 172         delete_head(repo);
 173
 174         cl_assert_equal_i(GIT_ENOTFOUND, git_repository_head(&head, repo));
 175 }
 176
 177 void test_repo_head__can_tell_if_an_unborn_head_is_detached(void)
 178 {
 179         make_head_unborn(repo, NON_EXISTING_HEAD);
 180
 181         cl_assert_equal_i(false, git_repository_head_detached(repo));
 182 }