tests/object/lookup.c

   1 #include "clar_libgit2.h"
   2
   3 #include "repository.h"
   4
   5 static git_repository *g_repo;
   6
   7 void test_object_lookup__initialize(void)
   8 {
   9         g_repo = cl_git_sandbox_init("testrepo.git");
  10 }
  11
  12 void test_object_lookup__cleanup(void)
  13 {
  14         cl_git_sandbox_cleanup();
  15 }
  16
  17 void test_object_lookup__lookup_wrong_type_returns_enotfound(void)
  18 {
  19         const char *commit = "e90810b8df3e80c413d903f631643c716887138d";
  20         git_oid oid;
  21         git_object *object;
  22
  23         cl_git_pass(git_oid_fromstr(&oid, commit));
  24         cl_assert_equal_i(
  25                 GIT_ENOTFOUND, git_object_lookup(&object, g_repo, &oid, GIT_OBJECT_TAG));
  26 }
  27
  28 void test_object_lookup__lookup_nonexisting_returns_enotfound(void)
  29 {
  30         const char *unknown = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef";
  31         git_oid oid;
  32         git_object *object;
  33
  34         cl_git_pass(git_oid_fromstr(&oid, unknown));
  35         cl_assert_equal_i(
  36                 GIT_ENOTFOUND, git_object_lookup(&object, g_repo, &oid, GIT_OBJECT_ANY));
  37 }
  38
  39 void test_object_lookup__lookup_wrong_type_by_abbreviated_id_returns_enotfound(void)
  40 {
  41         const char *commit = "e90810b";
  42         git_oid oid;
  43         git_object *object;
  44
  45         cl_git_pass(git_oid_fromstrn(&oid, commit, strlen(commit)));
  46         cl_assert_equal_i(
  47                 GIT_ENOTFOUND, git_object_lookup_prefix(&object, g_repo, &oid, strlen(commit), GIT_OBJECT_TAG));
  48 }
  49
  50 void test_object_lookup__lookup_wrong_type_eventually_returns_enotfound(void)
  51 {
  52         const char *commit = "e90810b8df3e80c413d903f631643c716887138d";
  53         git_oid oid;
  54         git_object *object;
  55
  56         cl_git_pass(git_oid_fromstr(&oid, commit));
  57
  58         cl_git_pass(git_object_lookup(&object, g_repo, &oid, GIT_OBJECT_COMMIT));
  59         git_object_free(object);
  60
  61         cl_assert_equal_i(
  62                 GIT_ENOTFOUND, git_object_lookup(&object, g_repo, &oid, GIT_OBJECT_TAG));
  63 }
  64
  65 void test_object_lookup__lookup_corrupt_object_returns_error(void)
  66 {
  67         const char *commit = "8e73b769e97678d684b809b163bebdae2911720f",
  68               *file = "objects/8e/73b769e97678d684b809b163bebdae2911720f";
  69         git_str path = GIT_STR_INIT, contents = GIT_STR_INIT;
  70         git_oid oid;
  71         git_object *object;
  72         size_t i;
  73
  74         cl_git_pass(git_oid_fromstr(&oid, commit));
  75         cl_git_pass(git_str_joinpath(&path, git_repository_path(g_repo), file));
  76         cl_git_pass(git_futils_readbuffer(&contents, path.ptr));
  77
  78         /* Corrupt and try to read the object */
  79         for (i = 0; i < contents.size; i++) {
  80                 contents.ptr[i] ^= 0x1;
  81                 cl_git_pass(git_futils_writebuffer(&contents, path.ptr, O_RDWR, 0644));
  82                 cl_git_fail(git_object_lookup(&object, g_repo, &oid, GIT_OBJECT_COMMIT));
  83                 contents.ptr[i] ^= 0x1;
  84         }
  85
  86         /* Restore original content and assert we can read the object */
  87         cl_git_pass(git_futils_writebuffer(&contents, path.ptr, O_RDWR, 0644));
  88         cl_git_pass(git_object_lookup(&object, g_repo, &oid, GIT_OBJECT_COMMIT));
  89
  90         git_object_free(object);
  91         git_str_dispose(&path);
  92         git_str_dispose(&contents);
  93 }
  94
  95 void test_object_lookup__lookup_object_with_wrong_hash_returns_error(void)
  96 {
  97         const char *oldloose = "objects/8e/73b769e97678d684b809b163bebdae2911720f",
  98               *newloose = "objects/8e/73b769e97678d684b809b163bebdae2911720e",
  99               *commit = "8e73b769e97678d684b809b163bebdae2911720e";
 100         git_str oldpath = GIT_STR_INIT, newpath = GIT_STR_INIT;
 101         git_object *object;
 102         git_oid oid;
 103
 104         cl_git_pass(git_oid_fromstr(&oid, commit));
 105
 106         /* Copy object to another location with wrong hash */
 107         cl_git_pass(git_str_joinpath(&oldpath, git_repository_path(g_repo), oldloose));
 108         cl_git_pass(git_str_joinpath(&newpath, git_repository_path(g_repo), newloose));
 109         cl_git_pass(git_futils_cp(oldpath.ptr, newpath.ptr, 0644));
 110
 111         /* Verify that lookup fails due to a hashsum mismatch */
 112         cl_git_fail_with(GIT_EMISMATCH, git_object_lookup(&object, g_repo, &oid, GIT_OBJECT_COMMIT));
 113
 114         /* Disable verification and try again */
 115         cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_HASH_VERIFICATION, 0));
 116         cl_git_pass(git_object_lookup(&object, g_repo, &oid, GIT_OBJECT_COMMIT));
 117         cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_HASH_VERIFICATION, 1));
 118
 119         git_object_free(object);
 120         git_str_dispose(&oldpath);
 121         git_str_dispose(&newpath);
 122 }