tests/refs/races.c

   1 #include "clar_libgit2.h"
   2
   3 #include "repository.h"
   4 #include "git2/reflog.h"
   5 #include "reflog.h"
   6 #include "ref_helpers.h"
   7
   8 static const char *commit_id = "099fabac3a9ea935598528c27f866e34089c2eff";
   9 static const char *refname = "refs/heads/master";
  10 static const char *other_refname = "refs/heads/foo";
  11 static const char *other_commit_id = "a65fedf39aefe402d3bb6e24df4d4f5fe4547750";
  12
  13 static git_repository *g_repo;
  14
  15 void test_refs_races__initialize(void)
  16 {
  17    g_repo = cl_git_sandbox_init("testrepo");
  18 }
  19
  20 void test_refs_races__cleanup(void)
  21 {
  22    cl_git_sandbox_cleanup();
  23 }
  24
  25 void test_refs_races__create_matching(void)
  26 {
  27         git_reference *ref, *ref2, *ref3;
  28         git_oid id, other_id;
  29
  30         git_oid_fromstr(&id, commit_id);
  31         git_oid_fromstr(&other_id, other_commit_id);
  32
  33         cl_git_fail_with(GIT_EMODIFIED, git_reference_create_matching(&ref, g_repo, refname, &other_id, 1, &other_id, NULL));
  34
  35         cl_git_pass(git_reference_lookup(&ref, g_repo, refname));
  36         cl_git_pass(git_reference_create_matching(&ref2, g_repo, refname, &other_id, 1, &id, NULL));
  37         cl_git_fail_with(GIT_EMODIFIED, git_reference_set_target(&ref3, ref, &other_id, NULL));
  38
  39         git_reference_free(ref);
  40         git_reference_free(ref2);
  41         git_reference_free(ref3);
  42 }
  43
  44 void test_refs_races__symbolic_create_matching(void)
  45 {
  46         git_reference *ref, *ref2, *ref3;
  47         git_oid id, other_id;
  48
  49         git_oid_fromstr(&id, commit_id);
  50         git_oid_fromstr(&other_id, other_commit_id);
  51
  52         cl_git_fail_with(GIT_EMODIFIED, git_reference_symbolic_create_matching(&ref, g_repo, "HEAD", other_refname, 1, other_refname, NULL));
  53
  54         cl_git_pass(git_reference_lookup(&ref, g_repo, "HEAD"));
  55         cl_git_pass(git_reference_symbolic_create_matching(&ref2, g_repo, "HEAD", other_refname, 1, NULL, refname));
  56         cl_git_fail_with(GIT_EMODIFIED, git_reference_symbolic_set_target(&ref3, ref, other_refname, NULL));
  57
  58         git_reference_free(ref);
  59         git_reference_free(ref2);
  60         git_reference_free(ref3);
  61 }
  62
  63 void test_refs_races__delete(void)
  64 {
  65         git_reference *ref, *ref2;
  66         git_oid id, other_id;
  67
  68         git_oid_fromstr(&id, commit_id);
  69         git_oid_fromstr(&other_id, other_commit_id);
  70
  71         /* We can delete a value that matches */
  72         cl_git_pass(git_reference_lookup(&ref, g_repo, refname));
  73         cl_git_pass(git_reference_delete(ref));
  74         git_reference_free(ref);
  75
  76         /* We cannot delete a symbolic value that doesn't match */
  77         cl_git_pass(git_reference_lookup(&ref, g_repo, "HEAD"));
  78         cl_git_pass(git_reference_symbolic_create_matching(&ref2, g_repo, "HEAD", other_refname, 1, NULL, refname));
  79         cl_git_fail_with(GIT_EMODIFIED, git_reference_delete(ref));
  80
  81         git_reference_free(ref);
  82         git_reference_free(ref2);
  83
  84         cl_git_pass(git_reference_create(&ref, g_repo, refname, &id, 1, NULL));
  85         git_reference_free(ref);
  86
  87         /* We cannot delete an oid value that doesn't match */
  88         cl_git_pass(git_reference_lookup(&ref, g_repo, refname));
  89         cl_git_pass(git_reference_create_matching(&ref2, g_repo, refname, &other_id, 1, &id, NULL));
  90         cl_git_fail_with(GIT_EMODIFIED, git_reference_delete(ref));
  91
  92         git_reference_free(ref);
  93         git_reference_free(ref2);
  94 }
  95
  96 void test_refs_races__switch_oid_to_symbolic(void)
  97 {
  98         git_reference *ref, *ref2, *ref3;
  99         git_oid id, other_id;
 100
 101         git_oid_fromstr(&id, commit_id);
 102         git_oid_fromstr(&other_id, other_commit_id);
 103
 104         /* Removing a direct ref when it's currently symbolic should fail */
 105         cl_git_pass(git_reference_lookup(&ref, g_repo, refname));
 106         cl_git_pass(git_reference_symbolic_create(&ref2, g_repo, refname, other_refname, 1, NULL));
 107         cl_git_fail_with(GIT_EMODIFIED, git_reference_delete(ref));
 108
 109         git_reference_free(ref);
 110         git_reference_free(ref2);
 111
 112         cl_git_pass(git_reference_create(&ref, g_repo, refname, &id, 1, NULL));
 113         git_reference_free(ref);
 114
 115         /* Updating a direct ref when it's currently symbolic should fail */
 116         cl_git_pass(git_reference_lookup(&ref, g_repo, refname));
 117         cl_git_pass(git_reference_symbolic_create(&ref2, g_repo, refname, other_refname, 1, NULL));
 118         cl_git_fail_with(GIT_EMODIFIED, git_reference_set_target(&ref3, ref, &other_id, NULL));
 119
 120         git_reference_free(ref);
 121         git_reference_free(ref2);
 122         git_reference_free(ref3);
 123 }
 124
 125 void test_refs_races__switch_symbolic_to_oid(void)
 126 {
 127         git_reference *ref, *ref2, *ref3;
 128         git_oid id, other_id;
 129
 130         git_oid_fromstr(&id, commit_id);
 131         git_oid_fromstr(&other_id, other_commit_id);
 132
 133         /* Removing a symbolic ref when it's currently direct should fail */
 134         cl_git_pass(git_reference_lookup(&ref, g_repo, "HEAD"));
 135         cl_git_pass(git_reference_create(&ref2, g_repo, "HEAD", &id, 1, NULL));
 136         cl_git_fail_with(GIT_EMODIFIED, git_reference_delete(ref));
 137
 138         git_reference_free(ref);
 139         git_reference_free(ref2);
 140
 141         cl_git_pass(git_reference_symbolic_create(&ref, g_repo, "HEAD", refname, 1, NULL));
 142         git_reference_free(ref);
 143
 144         /* Updating a symbolic ref when it's currently direct should fail */
 145         cl_git_pass(git_reference_lookup(&ref, g_repo, "HEAD"));
 146         cl_git_pass(git_reference_create(&ref2, g_repo, "HEAD", &id, 1, NULL));
 147         cl_git_fail_with(GIT_EMODIFIED, git_reference_symbolic_set_target(&ref3, ref, other_refname, NULL));
 148
 149         git_reference_free(ref);
 150         git_reference_free(ref2);
 151         git_reference_free(ref3);
 152 }