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// 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;
/**
* 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;
}
/**
* 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;
}
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);
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;
return 0;
}
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 prefix_len = prefix ? strlen(prefix) : 0;
int found = 0;
for (test = tests; test < tests + count; test++) {
const char *test_name = test->name;
int ret;
/* Remove the prefix */
if (prefix && !strncmp(test_name, prefix, prefix_len))
test_name += prefix_len;
if (select_name && strcmp(select_name, test_name))
continue;
ret = ut_run_test(uts, test, test_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);
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;
}
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