1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2021 Google LLC
4 * Written by Simon Glass <sjg@chromium.org>
10 #include <asm/state.h>
13 #include <dm/uclass-internal.h>
14 #include <test/test.h>
17 DECLARE_GLOBAL_DATA_PTR;
19 /* This is valid when a test is running, NULL otherwise */
20 static struct unit_test_state *cur_test_state;
22 struct unit_test_state *test_get_state(void)
24 return cur_test_state;
27 void test_set_state(struct unit_test_state *uts)
33 * dm_test_pre_run() - Get ready to run a driver model test
35 * This clears out the driver model data structures. For sandbox it resets the
40 static int dm_test_pre_run(struct unit_test_state *uts)
42 bool of_live = uts->of_live;
46 uts->force_fail_alloc = false;
47 uts->skip_post_probe = false;
49 if (!CONFIG_IS_ENABLED(OF_PLATDATA))
50 memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
51 state_reset_for_test(state_get_current());
53 /* Determine whether to make the live tree available */
54 gd_set_of_root(of_live ? uts->of_root : NULL);
55 ut_assertok(dm_init(of_live));
56 uts->root = dm_root();
61 static int dm_test_post_run(struct unit_test_state *uts)
65 for (id = 0; id < UCLASS_COUNT; id++) {
69 * If the uclass doesn't exist we don't want to create it. So
70 * check that here before we call uclass_find_device().
75 ut_assertok(uclass_destroy(uc));
81 /* Ensure all the test devices are probed */
82 static int do_autoprobe(struct unit_test_state *uts)
87 /* Scanning the uclass is enough to probe all the devices */
88 for (ret = uclass_first_device(UCLASS_TEST, &dev);
90 ret = uclass_next_device(&dev))
97 * ut_test_run_on_flattree() - Check if we should run a test with flat DT
99 * This skips long/slow tests where there is not much value in running a flat
100 * DT test in addition to a live DT test.
102 * @return true to run the given test on the flat device tree
104 static bool ut_test_run_on_flattree(struct unit_test *test)
106 const char *fname = strrchr(test->file, '/') + 1;
108 if (!(test->flags & UT_TESTF_DM))
111 return !strstr(fname, "video") || strstr(test->name, "video_base");
115 * test_matches() - Check if a test should be run
117 * This checks if the a test should be run. In the normal case of running all
118 * tests, @select_name is NULL.
120 * @prefix: String prefix for the tests. Any tests that have this prefix will be
121 * printed without the prefix, so that it is easier to see the unique part
122 * of the test name. If NULL, no prefix processing is done
123 * @test_name: Name of current test
124 * @select_name: Name of test to run (or NULL for all)
125 * @return true to run this test, false to skip it
127 static bool test_matches(const char *prefix, const char *test_name,
128 const char *select_name)
133 if (!strcmp(test_name, select_name))
136 /* All tests have this prefix */
137 if (prefix && !strncmp(test_name, prefix, strlen(prefix)))
138 test_name += strlen(prefix);
140 if (!strcmp(test_name, select_name))
147 * ut_list_has_dm_tests() - Check if a list of tests has driver model ones
149 * @tests: List of tests to run
150 * @count: Number of tests to ru
151 * @return true if any of the tests have the UT_TESTF_DM flag
153 static bool ut_list_has_dm_tests(struct unit_test *tests, int count)
155 struct unit_test *test;
157 for (test = tests; test < tests + count; test++) {
158 if (test->flags & UT_TESTF_DM)
166 * dm_test_restore() Put things back to normal so sandbox works as expected
168 * @of_root: Value to set for of_root
169 * @return 0 if OK, -ve on error
171 static int dm_test_restore(struct device_node *of_root)
175 gd_set_of_root(of_root);
177 ret = dm_init(CONFIG_IS_ENABLED(OF_LIVE));
181 if (!CONFIG_IS_ENABLED(OF_PLATDATA))
188 * test_pre_run() - Handle any preparation needed to run a test
191 * @test: Test to prepare for
192 * @return 0 if OK, -EAGAIN to skip this test since some required feature is not
193 * available, other -ve on error (meaning that testing cannot likely
196 static int test_pre_run(struct unit_test_state *uts, struct unit_test *test)
198 if (test->flags & UT_TESTF_DM)
199 ut_assertok(dm_test_pre_run(uts));
201 ut_set_skip_delays(uts, false);
203 uts->start = mallinfo();
205 if (test->flags & UT_TESTF_SCAN_PDATA)
206 ut_assertok(dm_scan_plat(false));
208 if (test->flags & UT_TESTF_PROBE_TEST)
209 ut_assertok(do_autoprobe(uts));
211 if (!CONFIG_IS_ENABLED(OF_PLATDATA) &&
212 (test->flags & UT_TESTF_SCAN_FDT))
213 ut_assertok(dm_extended_scan(false));
215 if (test->flags & UT_TESTF_CONSOLE_REC) {
216 int ret = console_record_reset_enable();
219 printf("Skipping: Console recording disabled\n");
223 ut_silence_console(uts);
229 * test_post_run() - Handle cleaning up after a test
232 * @test: Test to clean up after
233 * @return 0 if OK, -ve on error (meaning that testing cannot likely continue)
235 static int test_post_run(struct unit_test_state *uts, struct unit_test *test)
237 ut_unsilence_console(uts);
238 if (test->flags & UT_TESTF_DM)
239 ut_assertok(dm_test_post_run(uts));
245 * ut_run_test() - Run a single test
247 * This runs the test, handling any preparation and clean-up needed. It prints
248 * the name of each test before running it.
250 * @uts: Test state to update. The caller should ensure that this is zeroed for
251 * the first call to this function. On exit, @uts->fail_count is
252 * incremented by the number of failures (0, one hopes)
253 * @test_name: Test to run
254 * @name: Name of test, possibly skipping a prefix that should not be displayed
255 * @return 0 if all tests passed, -EAGAIN if the test should be skipped, -1 if
258 static int ut_run_test(struct unit_test_state *uts, struct unit_test *test,
259 const char *test_name)
261 const char *fname = strrchr(test->file, '/') + 1;
262 const char *note = "";
265 if ((test->flags & UT_TESTF_DM) && !uts->of_live)
266 note = " (flat tree)";
267 printf("Test: %s: %s%s\n", test_name, fname, note);
269 /* Allow access to test state from drivers */
272 ret = test_pre_run(uts, test);
280 ret = test_post_run(uts, test);
284 test_set_state( NULL);
290 * ut_run_test_live_flat() - Run a test with both live and flat tree
292 * This calls ut_run_test() with livetree enabled, which is the standard setup
293 * for runnig tests. Then, for driver model test, it calls it again with
294 * livetree disabled. This allows checking of flattree being used when OF_LIVE
295 * is enabled, as is the case in U-Boot proper before relocation, as well as in
298 * @uts: Test state to update. The caller should ensure that this is zeroed for
299 * the first call to this function. On exit, @uts->fail_count is
300 * incremented by the number of failures (0, one hopes)
302 * @name: Name of test, possibly skipping a prefix that should not be displayed
303 * @return 0 if all tests passed, -EAGAIN if the test should be skipped, -1 if
306 static int ut_run_test_live_flat(struct unit_test_state *uts,
307 struct unit_test *test, const char *name)
311 /* Run with the live tree if possible */
313 if (CONFIG_IS_ENABLED(OF_LIVE)) {
314 if (!(test->flags & UT_TESTF_FLAT_TREE)) {
316 ut_assertok(ut_run_test(uts, test, test->name));
322 * Run with the flat tree if we couldn't run it with live tree,
323 * or it is a core test.
325 if (!(test->flags & UT_TESTF_LIVE_TREE) &&
326 (!runs || ut_test_run_on_flattree(test))) {
327 uts->of_live = false;
328 ut_assertok(ut_run_test(uts, test, test->name));
336 * ut_run_tests() - Run a set of tests
338 * This runs the tests, handling any preparation and clean-up needed. It prints
339 * the name of each test before running it.
341 * @uts: Test state to update. The caller should ensure that this is zeroed for
342 * the first call to this function. On exit, @uts->fail_count is
343 * incremented by the number of failures (0, one hopes)
344 * @prefix: String prefix for the tests. Any tests that have this prefix will be
345 * printed without the prefix, so that it is easier to see the unique part
346 * of the test name. If NULL, no prefix processing is done
347 * @tests: List of tests to run
348 * @count: Number of tests to run
349 * @select_name: Name of a single test to run (from the list provided). If NULL
350 * then all tests are run
351 * @return 0 if all tests passed, -ENOENT if test @select_name was not found,
352 * -EBADF if any failed
354 static int ut_run_tests(struct unit_test_state *uts, const char *prefix,
355 struct unit_test *tests, int count,
356 const char *select_name)
358 struct unit_test *test;
361 for (test = tests; test < tests + count; test++) {
362 const char *test_name = test->name;
365 if (!test_matches(prefix, test_name, select_name))
367 ret = ut_run_test_live_flat(uts, test, select_name);
374 if (select_name && !found)
377 return uts->fail_count ? -EBADF : 0;
380 int ut_run_list(const char *category, const char *prefix,
381 struct unit_test *tests, int count, const char *select_name)
383 struct unit_test_state uts = { .fail_count = 0 };
384 bool has_dm_tests = false;
387 if (!CONFIG_IS_ENABLED(OF_PLATDATA) &&
388 ut_list_has_dm_tests(tests, count)) {
391 * If we have no device tree, or it only has a root node, then
392 * these * tests clearly aren't going to work...
394 if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) {
395 puts("Please run with test device tree:\n"
396 " ./u-boot -d arch/sandbox/dts/test.dtb\n");
397 return CMD_RET_FAILURE;
402 printf("Running %d %s tests\n", count, category);
404 uts.of_root = gd_of_root();
405 ret = ut_run_tests(&uts, prefix, tests, count, select_name);
408 printf("Test '%s' not found\n", select_name);
410 printf("Failures: %d\n", uts.fail_count);
412 /* Best efforts only...ignore errors */
414 dm_test_restore(uts.of_root);