dm: test: Show the test filename when running

Show the filename of the test being run. Skip the path and show just the
base name.

Signed-off-by: Simon Glass <sjg@chromium.org>

include/test/test.h

@@ -30,6 +30,7 @@ struct unit_test_state {
  * @flags: Flags indicated pre-conditions for test
  */
 struct unit_test {
+	const char *file;
 	const char *name;
 	int (*func)(struct unit_test_state *state);
 	int flags;
@@ -38,6 +39,7 @@ struct unit_test {
 /* Declare a new unit test */
 #define UNIT_TEST(_name, _flags, _suite)				\
 	ll_entry_declare(struct unit_test, _name, _suite) = {		\
+		.file = __FILE__,					\
 		.name = #_name,						\
 		.flags = _flags,					\
 		.func = _name,						\

test/dm/test-main.c

@@ -75,8 +75,9 @@ static int dm_test_destroy(struct unit_test_state *uts)
 static int dm_do_test(struct unit_test_state *uts, struct unit_test *test)
 {
 	struct sandbox_state *state = state_get_current();
+	const char *fname = strrchr(test->file, '/') + 1;
 
-	printf("Test: %s\n", test->name);
+	printf("Test: %s: %s\n", test->name, fname);
 	ut_assertok(dm_test_init(uts));
 
 	uts->start = mallinfo();