tests/refs/pack.c

   1 #include "clar_libgit2.h"
   2
   3 #include "futils.h"
   4 #include "git2/reflog.h"
   5 #include "git2/refdb.h"
   6 #include "reflog.h"
   7 #include "refs.h"
   8 #include "ref_helpers.h"
   9
  10 static const char *loose_tag_ref_name = "refs/tags/e90810b";
  11
  12 static git_repository *g_repo;
  13
  14 void test_refs_pack__initialize(void)
  15 {
  16    g_repo = cl_git_sandbox_init("testrepo");
  17 }
  18
  19 void test_refs_pack__cleanup(void)
  20 {
  21    cl_git_sandbox_cleanup();
  22 }
  23
  24 static void packall(void)
  25 {
  26         git_refdb *refdb;
  27
  28         cl_git_pass(git_repository_refdb(&refdb, g_repo));
  29         cl_git_pass(git_refdb_compress(refdb));
  30         git_refdb_free(refdb);
  31 }
  32
  33 void test_refs_pack__empty(void)
  34 {
  35         /* create a packfile for an empty folder */
  36         git_str temp_path = GIT_STR_INIT;
  37
  38         cl_git_pass(git_str_join_n(&temp_path, '/', 3, git_repository_path(g_repo), GIT_REFS_HEADS_DIR, "empty_dir"));
  39         cl_git_pass(git_futils_mkdir_r(temp_path.ptr, GIT_REFS_DIR_MODE));
  40         git_str_dispose(&temp_path);
  41
  42         packall();
  43 }
  44
  45 void test_refs_pack__loose(void)
  46 {
  47         /* create a packfile from all the loose refs in a repo */
  48         git_reference *reference;
  49         git_str temp_path = GIT_STR_INIT;
  50
  51         /* Ensure a known loose ref can be looked up */
  52         cl_git_pass(git_reference_lookup(&reference, g_repo, loose_tag_ref_name));
  53         cl_assert(reference_is_packed(reference) == 0);
  54         cl_assert_equal_s(reference->name, loose_tag_ref_name);
  55         git_reference_free(reference);
  56
  57         /*
  58          * We are now trying to pack also a loose reference
  59          * called `points_to_blob`, to make sure we can properly
  60          * pack weak tags
  61          */
  62         packall();
  63
  64         /* Ensure the packed-refs file exists */
  65         cl_git_pass(git_str_joinpath(&temp_path, git_repository_path(g_repo), GIT_PACKEDREFS_FILE));
  66         cl_assert(git_fs_path_exists(temp_path.ptr));
  67
  68         /* Ensure the known ref can still be looked up but is now packed */
  69         cl_git_pass(git_reference_lookup(&reference, g_repo, loose_tag_ref_name));
  70         cl_assert(reference_is_packed(reference));
  71         cl_assert_equal_s(reference->name, loose_tag_ref_name);
  72
  73         /* Ensure the known ref has been removed from the loose folder structure */
  74         cl_git_pass(git_str_joinpath(&temp_path, git_repository_path(g_repo), loose_tag_ref_name));
  75         cl_assert(!git_fs_path_exists(temp_path.ptr));
  76
  77         git_reference_free(reference);
  78         git_str_dispose(&temp_path);
  79 }
  80
  81 void test_refs_pack__symbolic(void)
  82 {
  83         /* create a packfile from loose refs skipping symbolic refs */
  84         int i;
  85         git_oid head;
  86         git_reference *ref;
  87         char name[128];
  88
  89         cl_git_pass(git_reference_name_to_id(&head, g_repo, "HEAD"));
  90
  91         /* make a bunch of references */
  92
  93         for (i = 0; i < 100; ++i) {
  94                 p_snprintf(name, sizeof(name), "refs/heads/symbolic-%03d", i);
  95                 cl_git_pass(git_reference_symbolic_create(
  96                         &ref, g_repo, name, "refs/heads/master", 0, NULL));
  97                 git_reference_free(ref);
  98
  99                 p_snprintf(name, sizeof(name), "refs/heads/direct-%03d", i);
 100                 cl_git_pass(git_reference_create(&ref, g_repo, name, &head, 0, NULL));
 101                 git_reference_free(ref);
 102         }
 103
 104         packall();
 105 }