diff options
Diffstat (limited to 'tests/index/racy.c')
| -rw-r--r-- | tests/index/racy.c | 324 |
1 files changed, 0 insertions, 324 deletions
diff --git a/tests/index/racy.c b/tests/index/racy.c deleted file mode 100644 index b06f55de4..000000000 --- a/tests/index/racy.c +++ /dev/null @@ -1,324 +0,0 @@ -#include "clar_libgit2.h" -#include "../checkout/checkout_helpers.h" - -#include "buffer.h" -#include "index.h" -#include "repository.h" - -static git_repository *g_repo; - -void test_index_racy__initialize(void) -{ - cl_git_pass(git_repository_init(&g_repo, "diff_racy", false)); -} - -void test_index_racy__cleanup(void) -{ - git_repository_free(g_repo); - g_repo = NULL; - - cl_fixture_cleanup("diff_racy"); -} - -void test_index_racy__diff(void) -{ - git_index *index; - git_diff *diff; - git_buf path = GIT_BUF_INIT; - - cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "A")); - cl_git_mkfile(path.ptr, "A"); - - /* Put 'A' into the index */ - cl_git_pass(git_repository_index(&index, g_repo)); - cl_git_pass(git_index_add_bypath(index, "A")); - cl_git_pass(git_index_write(index)); - - cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, index, NULL)); - cl_assert_equal_i(0, git_diff_num_deltas(diff)); - git_diff_free(diff); - - /* Change its contents quickly, so we get the same timestamp */ - cl_git_mkfile(path.ptr, "B"); - - cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, index, NULL)); - cl_assert_equal_i(1, git_diff_num_deltas(diff)); - - git_index_free(index); - git_diff_free(diff); - git_buf_dispose(&path); -} - -void test_index_racy__write_index_just_after_file(void) -{ - git_index *index; - git_diff *diff; - git_buf path = GIT_BUF_INIT; - struct p_timeval times[2]; - - /* Make sure we do have a timestamp */ - cl_git_pass(git_repository_index(&index, g_repo)); - cl_git_pass(git_index_write(index)); - - cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "A")); - cl_git_mkfile(path.ptr, "A"); - /* Force the file's timestamp to be a second after we wrote the index */ - times[0].tv_sec = index->stamp.mtime.tv_sec + 1; - times[0].tv_usec = index->stamp.mtime.tv_nsec / 1000; - times[1].tv_sec = index->stamp.mtime.tv_sec + 1; - times[1].tv_usec = index->stamp.mtime.tv_nsec / 1000; - cl_git_pass(p_utimes(path.ptr, times)); - - /* - * Put 'A' into the index, the size field will be filled, - * because the index' on-disk timestamp does not match the - * file's timestamp. - */ - cl_git_pass(git_index_add_bypath(index, "A")); - cl_git_pass(git_index_write(index)); - - cl_git_mkfile(path.ptr, "B"); - /* - * Pretend this index' modification happened a second after the - * file update, and rewrite the file in that same second. - */ - times[0].tv_sec = index->stamp.mtime.tv_sec + 2; - times[0].tv_usec = index->stamp.mtime.tv_nsec / 1000; - times[1].tv_sec = index->stamp.mtime.tv_sec + 2; - times[0].tv_usec = index->stamp.mtime.tv_nsec / 1000; - - cl_git_pass(p_utimes(git_index_path(index), times)); - cl_git_pass(p_utimes(path.ptr, times)); - - cl_git_pass(git_index_read(index, true)); - - cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, index, NULL)); - cl_assert_equal_i(1, git_diff_num_deltas(diff)); - - git_buf_dispose(&path); - git_diff_free(diff); - git_index_free(index); -} - - -static void setup_race(void) -{ - git_buf path = GIT_BUF_INIT; - git_index *index; - git_index_entry *entry; - struct stat st; - - /* Make sure we do have a timestamp */ - cl_git_pass(git_repository_index__weakptr(&index, g_repo)); - cl_git_pass(git_index_write(index)); - - cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "A")); - - cl_git_mkfile(path.ptr, "A"); - cl_git_pass(git_index_add_bypath(index, "A")); - - cl_git_mkfile(path.ptr, "B"); - cl_git_pass(git_index_write(index)); - - cl_git_mkfile(path.ptr, ""); - - cl_git_pass(p_stat(path.ptr, &st)); - cl_assert(entry = (git_index_entry *)git_index_get_bypath(index, "A", 0)); - - /* force a race */ - entry->mtime.seconds = (int32_t)st.st_mtime; - entry->mtime.nanoseconds = (int32_t)st.st_mtime_nsec; - - git_buf_dispose(&path); -} - -void test_index_racy__smudges_index_entry_on_save(void) -{ - git_index *index; - const git_index_entry *entry; - - setup_race(); - - /* write the index, which will smudge anything that had the same timestamp - * as the index when the index was loaded. that way future loads of the - * index (with the new timestamp) will know that these files were not - * clean. - */ - - cl_git_pass(git_repository_index__weakptr(&index, g_repo)); - cl_git_pass(git_index_write(index)); - - cl_assert(entry = git_index_get_bypath(index, "A", 0)); - cl_assert_equal_i(0, entry->file_size); -} - -void test_index_racy__detects_diff_of_change_in_identical_timestamp(void) -{ - git_index *index; - git_diff *diff; - - cl_git_pass(git_repository_index__weakptr(&index, g_repo)); - - setup_race(); - - cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, index, NULL)); - cl_assert_equal_i(1, git_diff_num_deltas(diff)); - - git_diff_free(diff); -} - -static void setup_uptodate_files(void) -{ - git_buf path = GIT_BUF_INIT; - git_index *index; - const git_index_entry *a_entry; - git_index_entry new_entry = {{0}}; - - cl_git_pass(git_repository_index(&index, g_repo)); - - cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "A")); - cl_git_mkfile(path.ptr, "A"); - - /* Put 'A' into the index */ - cl_git_pass(git_index_add_bypath(index, "A")); - - cl_assert((a_entry = git_index_get_bypath(index, "A", 0))); - - /* Put 'B' into the index */ - new_entry.path = "B"; - new_entry.mode = GIT_FILEMODE_BLOB; - git_oid_cpy(&new_entry.id, &a_entry->id); - cl_git_pass(git_index_add(index, &new_entry)); - - /* Put 'C' into the index */ - new_entry.path = "C"; - new_entry.mode = GIT_FILEMODE_BLOB; - cl_git_pass(git_index_add_from_buffer(index, &new_entry, "hello!\n", 7)); - - git_index_free(index); - git_buf_dispose(&path); -} - -void test_index_racy__adding_to_index_is_uptodate(void) -{ - git_index *index; - const git_index_entry *entry; - - setup_uptodate_files(); - - cl_git_pass(git_repository_index(&index, g_repo)); - - /* ensure that they're all uptodate */ - cl_assert((entry = git_index_get_bypath(index, "A", 0))); - cl_assert_equal_i(GIT_INDEX_ENTRY_UPTODATE, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE)); - - cl_assert((entry = git_index_get_bypath(index, "B", 0))); - cl_assert_equal_i(GIT_INDEX_ENTRY_UPTODATE, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE)); - - cl_assert((entry = git_index_get_bypath(index, "C", 0))); - cl_assert_equal_i(GIT_INDEX_ENTRY_UPTODATE, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE)); - - cl_git_pass(git_index_write(index)); - - git_index_free(index); -} - -void test_index_racy__reading_clears_uptodate_bit(void) -{ - git_index *index; - const git_index_entry *entry; - - setup_uptodate_files(); - - cl_git_pass(git_repository_index(&index, g_repo)); - cl_git_pass(git_index_write(index)); - - cl_git_pass(git_index_read(index, true)); - - /* ensure that no files are uptodate */ - cl_assert((entry = git_index_get_bypath(index, "A", 0))); - cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE)); - - cl_assert((entry = git_index_get_bypath(index, "B", 0))); - cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE)); - - cl_assert((entry = git_index_get_bypath(index, "C", 0))); - cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE)); - - git_index_free(index); -} - -void test_index_racy__read_tree_clears_uptodate_bit(void) -{ - git_index *index; - git_tree *tree; - const git_index_entry *entry; - git_oid id; - - setup_uptodate_files(); - - cl_git_pass(git_repository_index(&index, g_repo)); - cl_git_pass(git_index_write_tree_to(&id, index, g_repo)); - cl_git_pass(git_tree_lookup(&tree, g_repo, &id)); - cl_git_pass(git_index_read_tree(index, tree)); - - /* ensure that no files are uptodate */ - cl_assert((entry = git_index_get_bypath(index, "A", 0))); - cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE)); - - cl_assert((entry = git_index_get_bypath(index, "B", 0))); - cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE)); - - cl_assert((entry = git_index_get_bypath(index, "C", 0))); - cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE)); - - git_tree_free(tree); - git_index_free(index); -} - -void test_index_racy__read_index_smudges(void) -{ - git_index *index, *newindex; - const git_index_entry *entry; - - /* if we are reading an index into our new index, ensure that any - * racy entries in the index that we're reading are smudged so that - * we don't propagate their timestamps without further investigation. - */ - setup_race(); - - cl_git_pass(git_repository_index(&index, g_repo)); - cl_git_pass(git_index_new(&newindex)); - cl_git_pass(git_index_read_index(newindex, index)); - - cl_assert(entry = git_index_get_bypath(newindex, "A", 0)); - cl_assert_equal_i(0, entry->file_size); - - git_index_free(index); - git_index_free(newindex); -} - -void test_index_racy__read_index_clears_uptodate_bit(void) -{ - git_index *index, *newindex; - const git_index_entry *entry; - - setup_uptodate_files(); - - cl_git_pass(git_repository_index(&index, g_repo)); - cl_git_pass(git_index_new(&newindex)); - cl_git_pass(git_index_read_index(newindex, index)); - - /* ensure that files brought in from the other index are not uptodate */ - cl_assert((entry = git_index_get_bypath(newindex, "A", 0))); - cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE)); - - cl_assert((entry = git_index_get_bypath(newindex, "B", 0))); - cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE)); - - cl_assert((entry = git_index_get_bypath(newindex, "C", 0))); - cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE)); - - git_index_free(index); - git_index_free(newindex); -} |