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 * test_pre_run() - Handle any preparation needed to run a test
169 * @test: Test to prepare for
170 * @return 0 if OK, -EAGAIN to skip this test since some required feature is not
171 * available, other -ve on error (meaning that testing cannot likely
174 static int test_pre_run(struct unit_test_state *uts, struct unit_test *test)
176 if (test->flags & UT_TESTF_DM)
177 ut_assertok(dm_test_pre_run(uts));
179 ut_set_skip_delays(uts, false);
181 uts->start = mallinfo();
183 if (test->flags & UT_TESTF_SCAN_PDATA)
184 ut_assertok(dm_scan_plat(false));
186 if (test->flags & UT_TESTF_PROBE_TEST)
187 ut_assertok(do_autoprobe(uts));
189 if (!CONFIG_IS_ENABLED(OF_PLATDATA) &&
190 (test->flags & UT_TESTF_SCAN_FDT))
191 ut_assertok(dm_extended_scan(false));
193 if (test->flags & UT_TESTF_CONSOLE_REC) {
194 int ret = console_record_reset_enable();
197 printf("Skipping: Console recording disabled\n");
201 ut_silence_console(uts);
207 * test_post_run() - Handle cleaning up after a test
210 * @test: Test to clean up after
211 * @return 0 if OK, -ve on error (meaning that testing cannot likely continue)
213 static int test_post_run(struct unit_test_state *uts, struct unit_test *test)
215 ut_unsilence_console(uts);
216 if (test->flags & UT_TESTF_DM)
217 ut_assertok(dm_test_post_run(uts));
223 * ut_run_test() - Run a single test
225 * This runs the test, handling any preparation and clean-up needed. It prints
226 * the name of each test before running it.
228 * @uts: Test state to update. The caller should ensure that this is zeroed for
229 * the first call to this function. On exit, @uts->fail_count is
230 * incremented by the number of failures (0, one hopes)
231 * @test_name: Test to run
232 * @name: Name of test, possibly skipping a prefix that should not be displayed
233 * @return 0 if all tests passed, -EAGAIN if the test should be skipped, -1 if
236 static int ut_run_test(struct unit_test_state *uts, struct unit_test *test,
237 const char *test_name)
239 const char *fname = strrchr(test->file, '/') + 1;
240 const char *note = "";
243 if ((test->flags & UT_TESTF_DM) && !uts->of_live)
244 note = " (flat tree)";
245 printf("Test: %s: %s%s\n", test_name, fname, note);
247 /* Allow access to test state from drivers */
250 ret = test_pre_run(uts, test);
258 ret = test_post_run(uts, test);
262 test_set_state( NULL);
268 * ut_run_test_live_flat() - Run a test with both live and flat tree
270 * This calls ut_run_test() with livetree enabled, which is the standard setup
271 * for runnig tests. Then, for driver model test, it calls it again with
272 * livetree disabled. This allows checking of flattree being used when OF_LIVE
273 * is enabled, as is the case in U-Boot proper before relocation, as well as in
276 * @uts: Test state to update. The caller should ensure that this is zeroed for
277 * the first call to this function. On exit, @uts->fail_count is
278 * incremented by the number of failures (0, one hopes)
280 * @name: Name of test, possibly skipping a prefix that should not be displayed
281 * @return 0 if all tests passed, -EAGAIN if the test should be skipped, -1 if
284 static int ut_run_test_live_flat(struct unit_test_state *uts,
285 struct unit_test *test, const char *name)
289 /* Run with the live tree if possible */
291 if (CONFIG_IS_ENABLED(OF_LIVE)) {
292 if (!(test->flags & UT_TESTF_FLAT_TREE)) {
294 ut_assertok(ut_run_test(uts, test, test->name));
300 * Run with the flat tree if we couldn't run it with live tree,
301 * or it is a core test.
303 if (!(test->flags & UT_TESTF_LIVE_TREE) &&
304 (!runs || ut_test_run_on_flattree(test))) {
305 uts->of_live = false;
306 ut_assertok(ut_run_test(uts, test, test->name));
314 * ut_run_tests() - Run a set of tests
316 * This runs the tests, handling any preparation and clean-up needed. It prints
317 * the name of each test before running it.
319 * @uts: Test state to update. The caller should ensure that this is zeroed for
320 * the first call to this function. On exit, @uts->fail_count is
321 * incremented by the number of failures (0, one hopes)
322 * @prefix: String prefix for the tests. Any tests that have this prefix will be
323 * printed without the prefix, so that it is easier to see the unique part
324 * of the test name. If NULL, no prefix processing is done
325 * @tests: List of tests to run
326 * @count: Number of tests to run
327 * @select_name: Name of a single test to run (from the list provided). If NULL
328 * then all tests are run
329 * @return 0 if all tests passed, -ENOENT if test @select_name was not found,
330 * -EBADF if any failed
332 static int ut_run_tests(struct unit_test_state *uts, const char *prefix,
333 struct unit_test *tests, int count,
334 const char *select_name)
336 struct unit_test *test;
339 for (test = tests; test < tests + count; test++) {
340 const char *test_name = test->name;
343 if (!test_matches(prefix, test_name, select_name))
345 ret = ut_run_test_live_flat(uts, test, select_name);
352 if (select_name && !found)
355 return uts->fail_count ? -EBADF : 0;
358 int ut_run_list(const char *category, const char *prefix,
359 struct unit_test *tests, int count, const char *select_name)
361 struct unit_test_state uts = { .fail_count = 0 };
364 if (!CONFIG_IS_ENABLED(OF_PLATDATA) &&
365 ut_list_has_dm_tests(tests, count)) {
367 * If we have no device tree, or it only has a root node, then
368 * these * tests clearly aren't going to work...
370 if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) {
371 puts("Please run with test device tree:\n"
372 " ./u-boot -d arch/sandbox/dts/test.dtb\n");
373 return CMD_RET_FAILURE;
378 printf("Running %d %s tests\n", count, category);
380 uts.of_root = gd_of_root();
381 ret = ut_run_tests(&uts, prefix, tests, count, select_name);
384 printf("Test '%s' not found\n", select_name);
386 printf("Failures: %d\n", uts.fail_count);