| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright 2021 Google LLC |
| * Written by Simon Glass <sjg@chromium.org> |
| */ |
| |
| #include <common.h> |
| #include <console.h> |
| #include <dm.h> |
| #include <asm/state.h> |
| #include <dm/root.h> |
| #include <dm/test.h> |
| #include <dm/uclass-internal.h> |
| #include <test/test.h> |
| #include <test/ut.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| /* This is valid when a test is running, NULL otherwise */ |
| static struct unit_test_state *cur_test_state; |
| |
| struct unit_test_state *test_get_state(void) |
| { |
| return cur_test_state; |
| } |
| |
| void test_set_state(struct unit_test_state *uts) |
| { |
| cur_test_state = uts; |
| } |
| |
| /** |
| * dm_test_pre_run() - Get ready to run a driver model test |
| * |
| * This clears out the driver model data structures. For sandbox it resets the |
| * state structure |
| * |
| * @uts: Test state |
| */ |
| static int dm_test_pre_run(struct unit_test_state *uts) |
| { |
| bool of_live = uts->of_live; |
| |
| uts->root = NULL; |
| uts->testdev = NULL; |
| uts->force_fail_alloc = false; |
| uts->skip_post_probe = false; |
| gd->dm_root = NULL; |
| if (!CONFIG_IS_ENABLED(OF_PLATDATA)) |
| memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count)); |
| state_reset_for_test(state_get_current()); |
| |
| /* Determine whether to make the live tree available */ |
| gd_set_of_root(of_live ? uts->of_root : NULL); |
| ut_assertok(dm_init(of_live)); |
| uts->root = dm_root(); |
| |
| return 0; |
| } |
| |
| static int dm_test_post_run(struct unit_test_state *uts) |
| { |
| int id; |
| |
| for (id = 0; id < UCLASS_COUNT; id++) { |
| struct uclass *uc; |
| |
| /* |
| * If the uclass doesn't exist we don't want to create it. So |
| * check that here before we call uclass_find_device(). |
| */ |
| uc = uclass_find(id); |
| if (!uc) |
| continue; |
| ut_assertok(uclass_destroy(uc)); |
| } |
| |
| return 0; |
| } |
| |
| /* Ensure all the test devices are probed */ |
| static int do_autoprobe(struct unit_test_state *uts) |
| { |
| struct udevice *dev; |
| int ret; |
| |
| /* Scanning the uclass is enough to probe all the devices */ |
| for (ret = uclass_first_device(UCLASS_TEST, &dev); |
| dev; |
| ret = uclass_next_device(&dev)) |
| ; |
| |
| return ret; |
| } |
| |
| /* |
| * ut_test_run_on_flattree() - Check if we should run a test with flat DT |
| * |
| * This skips long/slow tests where there is not much value in running a flat |
| * DT test in addition to a live DT test. |
| * |
| * @return true to run the given test on the flat device tree |
| */ |
| static bool ut_test_run_on_flattree(struct unit_test *test) |
| { |
| const char *fname = strrchr(test->file, '/') + 1; |
| |
| if (!(test->flags & UT_TESTF_DM)) |
| return false; |
| |
| return !strstr(fname, "video") || strstr(test->name, "video_base"); |
| } |
| |
| /** |
| * test_matches() - Check if a test should be run |
| * |
| * This checks if the a test should be run. In the normal case of running all |
| * tests, @select_name is NULL. |
| * |
| * @prefix: String prefix for the tests. Any tests that have this prefix will be |
| * printed without the prefix, so that it is easier to see the unique part |
| * of the test name. If NULL, no prefix processing is done |
| * @test_name: Name of current test |
| * @select_name: Name of test to run (or NULL for all) |
| * @return true to run this test, false to skip it |
| */ |
| static bool test_matches(const char *prefix, const char *test_name, |
| const char *select_name) |
| { |
| if (!select_name) |
| return true; |
| |
| if (!strcmp(test_name, select_name)) |
| return true; |
| |
| /* All tests have this prefix */ |
| if (prefix && !strncmp(test_name, prefix, strlen(prefix))) |
| test_name += strlen(prefix); |
| |
| if (!strcmp(test_name, select_name)) |
| return true; |
| |
| return false; |
| } |
| |
| /** |
| * test_pre_run() - Handle any preparation needed to run a test |
| * |
| * @uts: Test state |
| * @test: Test to prepare for |
| * @return 0 if OK, -EAGAIN to skip this test since some required feature is not |
| * available, other -ve on error (meaning that testing cannot likely |
| * continue) |
| */ |
| static int test_pre_run(struct unit_test_state *uts, struct unit_test *test) |
| { |
| if (test->flags & UT_TESTF_DM) |
| ut_assertok(dm_test_pre_run(uts)); |
| |
| ut_set_skip_delays(uts, false); |
| |
| uts->start = mallinfo(); |
| |
| if (test->flags & UT_TESTF_SCAN_PDATA) |
| ut_assertok(dm_scan_plat(false)); |
| |
| if (test->flags & UT_TESTF_PROBE_TEST) |
| ut_assertok(do_autoprobe(uts)); |
| |
| if (!CONFIG_IS_ENABLED(OF_PLATDATA) && |
| (test->flags & UT_TESTF_SCAN_FDT)) |
| ut_assertok(dm_extended_scan(false)); |
| |
| if (test->flags & UT_TESTF_CONSOLE_REC) { |
| int ret = console_record_reset_enable(); |
| |
| if (ret) { |
| printf("Skipping: Console recording disabled\n"); |
| return -EAGAIN; |
| } |
| } |
| ut_silence_console(uts); |
| |
| return 0; |
| } |
| |
| /** |
| * test_post_run() - Handle cleaning up after a test |
| * |
| * @uts: Test state |
| * @test: Test to clean up after |
| * @return 0 if OK, -ve on error (meaning that testing cannot likely continue) |
| */ |
| static int test_post_run(struct unit_test_state *uts, struct unit_test *test) |
| { |
| ut_unsilence_console(uts); |
| if (test->flags & UT_TESTF_DM) |
| ut_assertok(dm_test_post_run(uts)); |
| |
| return 0; |
| } |
| |
| /** |
| * ut_run_test() - Run a single test |
| * |
| * This runs the test, handling any preparation and clean-up needed. It prints |
| * the name of each test before running it. |
| * |
| * @uts: Test state to update. The caller should ensure that this is zeroed for |
| * the first call to this function. On exit, @uts->fail_count is |
| * incremented by the number of failures (0, one hopes) |
| * @test_name: Test to run |
| * @name: Name of test, possibly skipping a prefix that should not be displayed |
| * @return 0 if all tests passed, -EAGAIN if the test should be skipped, -1 if |
| * any failed |
| */ |
| static int ut_run_test(struct unit_test_state *uts, struct unit_test *test, |
| const char *test_name) |
| { |
| const char *fname = strrchr(test->file, '/') + 1; |
| const char *note = ""; |
| int ret; |
| |
| if ((test->flags & UT_TESTF_DM) && !uts->of_live) |
| note = " (flat tree)"; |
| printf("Test: %s: %s%s\n", test_name, fname, note); |
| |
| /* Allow access to test state from drivers */ |
| test_set_state(uts); |
| |
| ret = test_pre_run(uts, test); |
| if (ret == -EAGAIN) |
| return -EAGAIN; |
| if (ret) |
| return ret; |
| |
| test->func(uts); |
| |
| ret = test_post_run(uts, test); |
| if (ret) |
| return ret; |
| |
| test_set_state( NULL); |
| |
| return 0; |
| } |
| |
| /** |
| * ut_run_test_live_flat() - Run a test with both live and flat tree |
| * |
| * This calls ut_run_test() with livetree enabled, which is the standard setup |
| * for runnig tests. Then, for driver model test, it calls it again with |
| * livetree disabled. This allows checking of flattree being used when OF_LIVE |
| * is enabled, as is the case in U-Boot proper before relocation, as well as in |
| * SPL. |
| * |
| * @uts: Test state to update. The caller should ensure that this is zeroed for |
| * the first call to this function. On exit, @uts->fail_count is |
| * incremented by the number of failures (0, one hopes) |
| * @test: Test to run |
| * @name: Name of test, possibly skipping a prefix that should not be displayed |
| * @return 0 if all tests passed, -EAGAIN if the test should be skipped, -1 if |
| * any failed |
| */ |
| static int ut_run_test_live_flat(struct unit_test_state *uts, |
| struct unit_test *test, const char *name) |
| { |
| int runs; |
| |
| /* Run with the live tree if possible */ |
| runs = 0; |
| if (CONFIG_IS_ENABLED(OF_LIVE)) { |
| if (!(test->flags & UT_TESTF_FLAT_TREE)) { |
| uts->of_live = true; |
| ut_assertok(ut_run_test(uts, test, test->name)); |
| runs++; |
| } |
| } |
| |
| /* |
| * Run with the flat tree if we couldn't run it with live tree, |
| * or it is a core test. |
| */ |
| if (!(test->flags & UT_TESTF_LIVE_TREE) && |
| (!runs || ut_test_run_on_flattree(test))) { |
| uts->of_live = false; |
| ut_assertok(ut_run_test(uts, test, test->name)); |
| runs++; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * ut_run_tests() - Run a set of tests |
| * |
| * This runs the tests, handling any preparation and clean-up needed. It prints |
| * the name of each test before running it. |
| * |
| * @uts: Test state to update. The caller should ensure that this is zeroed for |
| * the first call to this function. On exit, @uts->fail_count is |
| * incremented by the number of failures (0, one hopes) |
| * @prefix: String prefix for the tests. Any tests that have this prefix will be |
| * printed without the prefix, so that it is easier to see the unique part |
| * of the test name. If NULL, no prefix processing is done |
| * @tests: List of tests to run |
| * @count: Number of tests to run |
| * @select_name: Name of a single test to run (from the list provided). If NULL |
| * then all tests are run |
| * @return 0 if all tests passed, -ENOENT if test @select_name was not found, |
| * -EBADF if any failed |
| */ |
| static int ut_run_tests(struct unit_test_state *uts, const char *prefix, |
| struct unit_test *tests, int count, |
| const char *select_name) |
| { |
| struct unit_test *test; |
| int found = 0; |
| |
| for (test = tests; test < tests + count; test++) { |
| const char *test_name = test->name; |
| int ret; |
| |
| if (!test_matches(prefix, test_name, select_name)) |
| continue; |
| ret = ut_run_test_live_flat(uts, test, select_name); |
| found++; |
| if (ret == -EAGAIN) |
| continue; |
| if (ret) |
| return ret; |
| } |
| if (select_name && !found) |
| return -ENOENT; |
| |
| return uts->fail_count ? -EBADF : 0; |
| } |
| |
| int ut_run_list(const char *category, const char *prefix, |
| struct unit_test *tests, int count, const char *select_name) |
| { |
| struct unit_test_state uts = { .fail_count = 0 }; |
| int ret; |
| |
| if (!select_name) |
| printf("Running %d %s tests\n", count, category); |
| |
| uts.of_root = gd_of_root(); |
| ret = ut_run_tests(&uts, prefix, tests, count, select_name); |
| |
| if (ret == -ENOENT) |
| printf("Test '%s' not found\n", select_name); |
| else |
| printf("Failures: %d\n", uts.fail_count); |
| |
| return ret; |
| } |