test/test-main.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright 2021 Google LLC
   4  * Written by Simon Glass <sjg@chromium.org>
   5  */
   6
   7 #include <common.h>
   8 #include <console.h>
   9 #include <dm.h>
  10 #include <asm/state.h>
  11 #include <dm/root.h>
  12 #include <dm/test.h>
  13 #include <test/test.h>
  14 #include <test/ut.h>
  15
  16 DECLARE_GLOBAL_DATA_PTR;
  17
  18 /**
  19  * dm_test_pre_run() - Get ready to run a driver model test
  20  *
  21  * This clears out the driver model data structures. For sandbox it resets the
  22  * state structure
  23  *
  24  * @uts: Test state
  25  */
  26 static int dm_test_pre_run(struct unit_test_state *uts)
  27 {
  28         bool of_live = uts->of_live;
  29
  30         uts->root = NULL;
  31         uts->testdev = NULL;
  32         uts->force_fail_alloc = false;
  33         uts->skip_post_probe = false;
  34         gd->dm_root = NULL;
  35         if (!CONFIG_IS_ENABLED(OF_PLATDATA))
  36                 memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
  37         state_reset_for_test(state_get_current());
  38
  39         /* Determine whether to make the live tree available */
  40         gd_set_of_root(of_live ? uts->of_root : NULL);
  41         ut_assertok(dm_init(of_live));
  42         uts->root = dm_root();
  43
  44         return 0;
  45 }
  46
  47 /* Ensure all the test devices are probed */
  48 static int do_autoprobe(struct unit_test_state *uts)
  49 {
  50         struct udevice *dev;
  51         int ret;
  52
  53         /* Scanning the uclass is enough to probe all the devices */
  54         for (ret = uclass_first_device(UCLASS_TEST, &dev);
  55              dev;
  56              ret = uclass_next_device(&dev))
  57                 ;
  58
  59         return ret;
  60 }
  61
  62 int test_pre_run(struct unit_test_state *uts, struct unit_test *test)
  63 {
  64         if (test->flags & UT_TESTF_DM)
  65                 ut_assertok(dm_test_pre_run(uts));
  66
  67         ut_set_skip_delays(uts, false);
  68
  69         uts->start = mallinfo();
  70
  71         if (test->flags & UT_TESTF_SCAN_PDATA)
  72                 ut_assertok(dm_scan_plat(false));
  73
  74         if (test->flags & UT_TESTF_PROBE_TEST)
  75                 ut_assertok(do_autoprobe(uts));
  76
  77         if (!CONFIG_IS_ENABLED(OF_PLATDATA) &&
  78             (test->flags & UT_TESTF_SCAN_FDT))
  79                 ut_assertok(dm_extended_scan(false));
  80
  81         if (test->flags & UT_TESTF_CONSOLE_REC) {
  82                 int ret = console_record_reset_enable();
  83
  84                 if (ret) {
  85                         printf("Skipping: Console recording disabled\n");
  86                         return -EAGAIN;
  87                 }
  88         }
  89         ut_silence_console(uts);
  90
  91         return 0;
  92 }
  93
  94 int test_post_run(struct unit_test_state *uts, struct unit_test *test)
  95 {
  96         ut_unsilence_console(uts);
  97
  98         return 0;
  99 }
 100
 101 int ut_run_tests(struct unit_test_state *uts, const char *prefix,
 102                  struct unit_test *tests, int count, const char *select_name)
 103 {
 104         struct unit_test *test;
 105         int prefix_len = prefix ? strlen(prefix) : 0;
 106         int found = 0;
 107
 108         for (test = tests; test < tests + count; test++) {
 109                 const char *test_name = test->name;
 110                 int ret;
 111
 112                 /* Remove the prefix */
 113                 if (prefix && !strncmp(test_name, prefix, prefix_len))
 114                         test_name += prefix_len;
 115
 116                 if (select_name && strcmp(select_name, test_name))
 117                         continue;
 118                 printf("Test: %s\n", test_name);
 119                 found++;
 120
 121                 ret = test_pre_run(uts, test);
 122                 if (ret == -EAGAIN)
 123                         continue;
 124                 if (ret)
 125                         return ret;
 126
 127                 test->func(uts);
 128
 129                 ret = test_post_run(uts, test);
 130                 if (ret)
 131                         return ret;
 132         }
 133         if (select_name && !found)
 134                 return -ENOENT;
 135
 136         return uts->fail_count ? -EBADF : 0;
 137 }
 138
 139 int ut_run_list(const char *category, const char *prefix,
 140                 struct unit_test *tests, int count, const char *select_name)
 141 {
 142         struct unit_test_state uts = { .fail_count = 0 };
 143         int ret;
 144
 145         if (!select_name)
 146                 printf("Running %d %s tests\n", count, category);
 147
 148         ret = ut_run_tests(&uts, prefix, tests, count, select_name);
 149
 150         if (ret == -ENOENT)
 151                 printf("Test '%s' not found\n", select_name);
 152         else
 153                 printf("Failures: %d\n", uts.fail_count);
 154
 155         return ret;
 156 }