+++ /dev/null
-#include "clar_libgit2.h"
-#include "../checkout/checkout_helpers.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_str path = GIT_STR_INIT;
-
- cl_git_pass(git_str_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_str_dispose(&path);
-}
-
-void test_index_racy__write_index_just_after_file(void)
-{
- git_index *index;
- git_diff *diff;
- git_str path = GIT_STR_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_str_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_str_dispose(&path);
- git_diff_free(diff);
- git_index_free(index);
-}
-
-
-static void setup_race(void)
-{
- git_str path = GIT_STR_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_str_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_str_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_str path = GIT_STR_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_str_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_str_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);
-}
projects / libgit2.git / blobdiff