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Diffstat (limited to 'tests/libgit2/refs/races.c')
| -rw-r--r-- | tests/libgit2/refs/races.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/tests/libgit2/refs/races.c b/tests/libgit2/refs/races.c new file mode 100644 index 000000000..476789358 --- /dev/null +++ b/tests/libgit2/refs/races.c @@ -0,0 +1,170 @@ +#include "clar_libgit2.h" + +#include "repository.h" +#include "git2/reflog.h" +#include "reflog.h" +#include "ref_helpers.h" + +static const char *commit_id = "099fabac3a9ea935598528c27f866e34089c2eff"; +static const char *refname = "refs/heads/master"; +static const char *other_refname = "refs/heads/foo"; +static const char *other_commit_id = "a65fedf39aefe402d3bb6e24df4d4f5fe4547750"; + +static git_repository *g_repo; + +void test_refs_races__initialize(void) +{ + g_repo = cl_git_sandbox_init("testrepo"); +} + +void test_refs_races__cleanup(void) +{ + cl_git_sandbox_cleanup(); +} + +void test_refs_races__create_matching_zero_old(void) +{ + git_reference *ref; + git_oid id, zero_id; + + git_oid_fromstr(&id, commit_id); + git_oid_fromstr(&zero_id, "0000000000000000000000000000000000000000"); + + cl_git_fail(git_reference_create_matching(&ref, g_repo, refname, &id, 1, &zero_id, NULL)); + git_reference_free(ref); + + cl_git_pass(git_reference_create_matching(&ref, g_repo, other_refname, &id, 1, &zero_id, NULL)); + git_reference_free(ref); + + cl_git_fail(git_reference_create_matching(&ref, g_repo, other_refname, &id, 1, &zero_id, NULL)); + git_reference_free(ref); +} + +void test_refs_races__create_matching(void) +{ + git_reference *ref, *ref2, *ref3; + git_oid id, other_id; + + git_oid_fromstr(&id, commit_id); + git_oid_fromstr(&other_id, other_commit_id); + + cl_git_fail_with(GIT_EMODIFIED, git_reference_create_matching(&ref, g_repo, refname, &other_id, 1, &other_id, NULL)); + + cl_git_pass(git_reference_lookup(&ref, g_repo, refname)); + cl_git_pass(git_reference_create_matching(&ref2, g_repo, refname, &other_id, 1, &id, NULL)); + cl_git_fail_with(GIT_EMODIFIED, git_reference_set_target(&ref3, ref, &other_id, NULL)); + + git_reference_free(ref); + git_reference_free(ref2); + git_reference_free(ref3); +} + +void test_refs_races__symbolic_create_matching(void) +{ + git_reference *ref, *ref2, *ref3; + git_oid id, other_id; + + git_oid_fromstr(&id, commit_id); + git_oid_fromstr(&other_id, other_commit_id); + + cl_git_fail_with(GIT_EMODIFIED, git_reference_symbolic_create_matching(&ref, g_repo, "HEAD", other_refname, 1, other_refname, NULL)); + + cl_git_pass(git_reference_lookup(&ref, g_repo, "HEAD")); + cl_git_pass(git_reference_symbolic_create_matching(&ref2, g_repo, "HEAD", other_refname, 1, NULL, refname)); + cl_git_fail_with(GIT_EMODIFIED, git_reference_symbolic_set_target(&ref3, ref, other_refname, NULL)); + + git_reference_free(ref); + git_reference_free(ref2); + git_reference_free(ref3); +} + +void test_refs_races__delete(void) +{ + git_reference *ref, *ref2; + git_oid id, other_id; + + git_oid_fromstr(&id, commit_id); + git_oid_fromstr(&other_id, other_commit_id); + + /* We can delete a value that matches */ + cl_git_pass(git_reference_lookup(&ref, g_repo, refname)); + cl_git_pass(git_reference_delete(ref)); + git_reference_free(ref); + + /* We cannot delete a symbolic value that doesn't match */ + cl_git_pass(git_reference_lookup(&ref, g_repo, "refs/symref")); + cl_git_pass(git_reference_symbolic_create_matching(&ref2, g_repo, "refs/symref", other_refname, 1, NULL, refname)); + cl_git_fail_with(GIT_EMODIFIED, git_reference_delete(ref)); + + git_reference_free(ref); + git_reference_free(ref2); + + cl_git_pass(git_reference_create(&ref, g_repo, refname, &id, 1, NULL)); + git_reference_free(ref); + + /* We cannot delete an oid value that doesn't match */ + cl_git_pass(git_reference_lookup(&ref, g_repo, refname)); + cl_git_pass(git_reference_create_matching(&ref2, g_repo, refname, &other_id, 1, &id, NULL)); + cl_git_fail_with(GIT_EMODIFIED, git_reference_delete(ref)); + + git_reference_free(ref); + git_reference_free(ref2); +} + +void test_refs_races__switch_oid_to_symbolic(void) +{ + git_reference *ref, *ref2, *ref3; + git_oid id, other_id; + + git_oid_fromstr(&id, commit_id); + git_oid_fromstr(&other_id, other_commit_id); + + /* Removing a direct ref when it's currently symbolic should fail */ + cl_git_pass(git_reference_lookup(&ref, g_repo, refname)); + cl_git_pass(git_reference_symbolic_create(&ref2, g_repo, refname, other_refname, 1, NULL)); + cl_git_fail_with(GIT_EMODIFIED, git_reference_delete(ref)); + + git_reference_free(ref); + git_reference_free(ref2); + + cl_git_pass(git_reference_create(&ref, g_repo, refname, &id, 1, NULL)); + git_reference_free(ref); + + /* Updating a direct ref when it's currently symbolic should fail */ + cl_git_pass(git_reference_lookup(&ref, g_repo, refname)); + cl_git_pass(git_reference_symbolic_create(&ref2, g_repo, refname, other_refname, 1, NULL)); + cl_git_fail_with(GIT_EMODIFIED, git_reference_set_target(&ref3, ref, &other_id, NULL)); + + git_reference_free(ref); + git_reference_free(ref2); + git_reference_free(ref3); +} + +void test_refs_races__switch_symbolic_to_oid(void) +{ + git_reference *ref, *ref2, *ref3; + git_oid id, other_id; + + git_oid_fromstr(&id, commit_id); + git_oid_fromstr(&other_id, other_commit_id); + + /* Removing a symbolic ref when it's currently direct should fail */ + cl_git_pass(git_reference_lookup(&ref, g_repo, "refs/symref")); + cl_git_pass(git_reference_create(&ref2, g_repo, "refs/symref", &id, 1, NULL)); + cl_git_fail_with(GIT_EMODIFIED, git_reference_delete(ref)); + + git_reference_free(ref); + git_reference_free(ref2); + + cl_git_pass(git_reference_symbolic_create(&ref, g_repo, "refs/symref", refname, 1, NULL)); + git_reference_free(ref); + + /* Updating a symbolic ref when it's currently direct should fail */ + cl_git_pass(git_reference_lookup(&ref, g_repo, "refs/symref")); + cl_git_pass(git_reference_create(&ref2, g_repo, "refs/symref", &id, 1, NULL)); + cl_git_fail_with(GIT_EMODIFIED, git_reference_symbolic_set_target(&ref3, ref, other_refname, NULL)); + + git_reference_free(ref); + git_reference_free(ref2); + git_reference_free(ref3); +} |