1 files changed, 228 insertions, 0 deletions
diff --git a/tests/diff/notify.c b/tests/diff/notify.c
new file mode 100644
index 000000000..cc33cb71c
--- /dev/null
+++ b/tests/diff/notify.c
@@ -0,0 +1,228 @@
+#include "clar_libgit2.h"
+#include "diff_helpers.h"
+
+static git_repository *g_repo = NULL;
+
+void test_diff_notify__initialize(void)
+{
+}
+
+void test_diff_notify__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+}
+
+static int assert_called_notifications(
+	const git_diff *diff_so_far,
+	const git_diff_delta *delta_to_add,
+	const char *matched_pathspec,
+	void *payload)
+{
+	bool found = false;
+	notify_expected *exp = (notify_expected*)payload;
+	notify_expected *e;;
+
+	GIT_UNUSED(diff_so_far);
+
+	for (e = exp; e->path != NULL; e++) {
+		if (strcmp(e->path, delta_to_add->new_file.path))
+			continue;
+
+		cl_assert_equal_s(e->matched_pathspec, matched_pathspec);
+
+		found = true;
+		break;
+	}
+
+	cl_assert(found);
+	return 0;
+}
+
+static void test_notify(
+	char **searched_pathspecs,
+	int pathspecs_count,
+	notify_expected *expected_matched_pathspecs,
+	int expected_diffed_files_count)
+{
+	git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
+	git_diff *diff = NULL;
+	diff_expects exp;
+
+	g_repo = cl_git_sandbox_init("status");
+
+	opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED;
+	opts.notify_cb = assert_called_notifications;
+	opts.pathspec.strings = searched_pathspecs;
+	opts.pathspec.count   = pathspecs_count;
+
+	opts.notify_payload = expected_matched_pathspecs;
+	memset(&exp, 0, sizeof(exp));
+
+	cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts));
+	cl_git_pass(git_diff_foreach(diff, diff_file_cb, NULL, NULL, &exp));
+
+	cl_assert_equal_i(expected_diffed_files_count, exp.files);
+
+	git_diff_free(diff);
+}
+
+void test_diff_notify__notify_single_pathspec(void)
+{
+	char *searched_pathspecs[] = {
+		"*_deleted",
+	};
+	notify_expected expected_matched_pathspecs[] = {
+		{ "file_deleted", "*_deleted" },
+		{ "staged_changes_file_deleted", "*_deleted" },
+		{ NULL, NULL }
+	};
+
+	test_notify(searched_pathspecs, 1, expected_matched_pathspecs, 2);
+}
+
+void test_diff_notify__notify_multiple_pathspec(void)
+{
+	char *searched_pathspecs[] = {
+		"staged_changes_cant_find_me",
+		"subdir/modified_cant_find_me",
+		"subdir/*",
+		"staged*"
+	};
+	notify_expected expected_matched_pathspecs[] = {
+		{ "staged_changes_file_deleted", "staged*" },
+		{ "staged_changes_modified_file", "staged*" },
+		{ "staged_delete_modified_file", "staged*" },
+		{ "staged_new_file_deleted_file", "staged*" },
+		{ "staged_new_file_modified_file", "staged*" },
+		{ "subdir/deleted_file", "subdir/*" },
+		{ "subdir/modified_file", "subdir/*" },
+		{ "subdir/new_file", "subdir/*" },
+		{ NULL, NULL }
+	};
+
+	test_notify(searched_pathspecs, 4, expected_matched_pathspecs, 8);
+}
+
+void test_diff_notify__notify_catchall_with_empty_pathspecs(void)
+{
+	char *searched_pathspecs[] = {
+		"",
+		""
+	};
+	notify_expected expected_matched_pathspecs[] = {
+		{ "file_deleted", NULL },
+		{ "ignored_file", NULL },
+		{ "modified_file", NULL },
+		{ "new_file", NULL },
+		{ "\xe8\xbf\x99", NULL },
+		{ "staged_changes_file_deleted", NULL },
+		{ "staged_changes_modified_file", NULL },
+		{ "staged_delete_modified_file", NULL },
+		{ "staged_new_file_deleted_file", NULL },
+		{ "staged_new_file_modified_file", NULL },
+		{ "subdir/deleted_file", NULL },
+		{ "subdir/modified_file", NULL },
+		{ "subdir/new_file", NULL },
+		{ NULL, NULL }
+	};
+
+	test_notify(searched_pathspecs, 1, expected_matched_pathspecs, 13);
+}
+
+void test_diff_notify__notify_catchall(void)
+{
+	char *searched_pathspecs[] = {
+		"*",
+	};
+	notify_expected expected_matched_pathspecs[] = {
+		{ "file_deleted", "*" },
+		{ "ignored_file", "*" },
+		{ "modified_file", "*" },
+		{ "new_file", "*" },
+		{ "\xe8\xbf\x99", "*" },
+		{ "staged_changes_file_deleted", "*" },
+		{ "staged_changes_modified_file", "*" },
+		{ "staged_delete_modified_file", "*" },
+		{ "staged_new_file_deleted_file", "*" },
+		{ "staged_new_file_modified_file", "*" },
+		{ "subdir/deleted_file", "*" },
+		{ "subdir/modified_file", "*" },
+		{ "subdir/new_file", "*" },
+		{ NULL, NULL }
+	};
+
+	test_notify(searched_pathspecs, 1, expected_matched_pathspecs, 13);
+}
+
+static int abort_diff(
+	const git_diff *diff_so_far,
+	const git_diff_delta *delta_to_add,
+	const char *matched_pathspec,
+	void *payload)
+{
+	GIT_UNUSED(diff_so_far);
+	GIT_UNUSED(delta_to_add);
+	GIT_UNUSED(matched_pathspec);
+	GIT_UNUSED(payload);
+
+	return -42;
+}
+
+void test_diff_notify__notify_cb_can_abort_diff(void)
+{
+	git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
+	git_diff *diff = NULL;
+	char *pathspec = NULL;
+
+	g_repo = cl_git_sandbox_init("status");
+
+	opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED;
+	opts.notify_cb = abort_diff;
+	opts.pathspec.strings = &pathspec;
+	opts.pathspec.count   = 1;
+
+	pathspec = "file_deleted";
+	cl_git_fail(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts));
+
+	pathspec = "staged_changes_modified_file";
+	cl_git_fail(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts));
+}
+
+static int filter_all(
+	const git_diff *diff_so_far,
+	const git_diff_delta *delta_to_add,
+	const char *matched_pathspec,
+	void *payload)
+{
+	GIT_UNUSED(diff_so_far);
+	GIT_UNUSED(delta_to_add);
+	GIT_UNUSED(matched_pathspec);
+	GIT_UNUSED(payload);
+
+	return 42;
+}
+
+void test_diff_notify__notify_cb_can_be_used_as_filtering_function(void)
+{
+	git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
+	git_diff *diff = NULL;
+	char *pathspec = NULL;
+	diff_expects exp;
+
+	g_repo = cl_git_sandbox_init("status");
+
+	opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED;
+	opts.notify_cb = filter_all;
+	opts.pathspec.strings = &pathspec;
+	opts.pathspec.count   = 1;
+
+	pathspec = "*_deleted";
+	memset(&exp, 0, sizeof(exp));
+
+	cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, NULL, &opts));
+	cl_git_pass(git_diff_foreach(diff, diff_file_cb, NULL, NULL, &exp));
+
+	cl_assert_equal_i(0, exp.files);
+
+	git_diff_free(diff);
+}