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