tests/libgit2/apply/callbacks.c

   1 #include "clar_libgit2.h"
   2 #include "apply_helpers.h"
   3
   4 static git_repository *repo;
   5
   6 #define TEST_REPO_PATH "merge-recursive"
   7
   8 void test_apply_callbacks__initialize(void)
   9 {
  10         git_oid oid;
  11         git_commit *commit;
  12
  13         repo = cl_git_sandbox_init(TEST_REPO_PATH);
  14
  15         git_oid_fromstr(&oid, "539bd011c4822c560c1d17cab095006b7a10f707");
  16         cl_git_pass(git_commit_lookup(&commit, repo, &oid));
  17         cl_git_pass(git_reset(repo, (git_object *)commit, GIT_RESET_HARD, NULL));
  18         git_commit_free(commit);
  19 }
  20
  21 void test_apply_callbacks__cleanup(void)
  22 {
  23         cl_git_sandbox_cleanup();
  24 }
  25
  26 static int delta_abort_cb(const git_diff_delta *delta, void *payload)
  27 {
  28         GIT_UNUSED(payload);
  29
  30         if (!strcmp(delta->old_file.path, "veal.txt"))
  31                 return -99;
  32
  33         return 0;
  34 }
  35
  36 void test_apply_callbacks__delta_aborts(void)
  37 {
  38         git_diff *diff;
  39         git_apply_options opts = GIT_APPLY_OPTIONS_INIT;
  40
  41         opts.delta_cb = delta_abort_cb;
  42
  43         cl_git_pass(git_diff_from_buffer(&diff,
  44                 DIFF_MODIFY_TWO_FILES, strlen(DIFF_MODIFY_TWO_FILES)));
  45         cl_git_fail_with(-99,
  46                 git_apply(repo, diff, GIT_APPLY_LOCATION_INDEX, &opts));
  47
  48         validate_index_unchanged(repo);
  49         validate_workdir_unchanged(repo);
  50
  51         git_diff_free(diff);
  52 }
  53
  54 static int delta_skip_cb(const git_diff_delta *delta, void *payload)
  55 {
  56         GIT_UNUSED(payload);
  57
  58         if (!strcmp(delta->old_file.path, "asparagus.txt"))
  59                 return 1;
  60
  61         return 0;
  62 }
  63
  64 void test_apply_callbacks__delta_can_skip(void)
  65 {
  66         git_diff *diff;
  67         git_apply_options opts = GIT_APPLY_OPTIONS_INIT;
  68
  69         struct merge_index_entry workdir_expected[] = {
  70                 { 0100644, "f51658077d85f2264fa179b4d0848268cb3475c3", 0, "asparagus.txt" },
  71                 { 0100644, "68f6182f4c85d39e1309d97c7e456156dc9c0096", 0, "beef.txt" },
  72                 { 0100644, "4b7c5650008b2e747fe1809eeb5a1dde0e80850a", 0, "bouilli.txt" },
  73                 { 0100644, "c4e6cca3ec6ae0148ed231f97257df8c311e015f", 0, "gravy.txt" },
  74                 { 0100644, "68af1fc7407fd9addf1701a87eb1c95c7494c598", 0, "oyster.txt" },
  75                 { 0100644, "a7b066537e6be7109abfe4ff97b675d4e077da20", 0, "veal.txt" },
  76         };
  77         size_t workdir_expected_cnt = sizeof(workdir_expected) /
  78             sizeof(struct merge_index_entry);
  79
  80         opts.delta_cb = delta_skip_cb;
  81
  82         cl_git_pass(git_diff_from_buffer(&diff,
  83                 DIFF_MODIFY_TWO_FILES, strlen(DIFF_MODIFY_TWO_FILES)));
  84         cl_git_pass(git_apply(repo, diff, GIT_APPLY_LOCATION_WORKDIR, &opts));
  85
  86         validate_index_unchanged(repo);
  87         validate_apply_workdir(repo, workdir_expected, workdir_expected_cnt);
  88
  89         git_diff_free(diff);
  90 }
  91
  92 static int hunk_skip_odds_cb(const git_diff_hunk *hunk, void *payload)
  93 {
  94         int *count = (int *)payload;
  95         GIT_UNUSED(hunk);
  96
  97         return ((*count)++ % 2 == 1);
  98 }
  99
 100 void test_apply_callbacks__hunk_can_skip(void)
 101 {
 102         git_diff *diff;
 103         git_apply_options opts = GIT_APPLY_OPTIONS_INIT;
 104         int count = 0;
 105
 106         struct merge_index_entry workdir_expected[] = {
 107                 { 0100644, "f51658077d85f2264fa179b4d0848268cb3475c3", 0, "asparagus.txt" },
 108                 { 0100644, "68f6182f4c85d39e1309d97c7e456156dc9c0096", 0, "beef.txt" },
 109                 { 0100644, "4b7c5650008b2e747fe1809eeb5a1dde0e80850a", 0, "bouilli.txt" },
 110                 { 0100644, "c4e6cca3ec6ae0148ed231f97257df8c311e015f", 0, "gravy.txt" },
 111                 { 0100644, "68af1fc7407fd9addf1701a87eb1c95c7494c598", 0, "oyster.txt" },
 112                 { 0100644, "06f751b6ba4f017ddbf4248015768300268e092a", 0, "veal.txt" },
 113         };
 114         size_t workdir_expected_cnt = sizeof(workdir_expected) /
 115             sizeof(struct merge_index_entry);
 116
 117         opts.hunk_cb = hunk_skip_odds_cb;
 118         opts.payload = &count;
 119
 120         cl_git_pass(git_diff_from_buffer(&diff,
 121                 DIFF_MANY_CHANGES_ONE, strlen(DIFF_MANY_CHANGES_ONE)));
 122         cl_git_pass(git_apply(repo, diff, GIT_APPLY_LOCATION_WORKDIR, &opts));
 123
 124         validate_index_unchanged(repo);
 125         validate_apply_workdir(repo, workdir_expected, workdir_expected_cnt);
 126
 127         git_diff_free(diff);
 128 }