test/dm/test-main.c

   1 /*
   2  * Copyright (c) 2013 Google, Inc
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <dm.h>
   9 #include <errno.h>
  10 #include <malloc.h>
  11 #include <dm/test.h>
  12 #include <dm/root.h>
  13 #include <dm/uclass-internal.h>
  14 #include <test/ut.h>
  15
  16 DECLARE_GLOBAL_DATA_PTR;
  17
  18 struct unit_test_state global_dm_test_state;
  19 static struct dm_test_state _global_priv_dm_test_state;
  20
  21 /* Get ready for testing */
  22 static int dm_test_init(struct unit_test_state *uts)
  23 {
  24         struct dm_test_state *dms = uts->priv;
  25
  26         memset(uts, '\0', sizeof(*uts));
  27         uts->priv = dms;
  28         memset(dms, '\0', sizeof(*dms));
  29         gd->dm_root = NULL;
  30         memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
  31
  32         ut_assertok(dm_init());
  33         dms->root = dm_root();
  34
  35         return 0;
  36 }
  37
  38 /* Ensure all the test devices are probed */
  39 static int do_autoprobe(struct unit_test_state *uts)
  40 {
  41         struct udevice *dev;
  42         int ret;
  43
  44         /* Scanning the uclass is enough to probe all the devices */
  45         for (ret = uclass_first_device(UCLASS_TEST, &dev);
  46              dev;
  47              ret = uclass_next_device(&dev))
  48                 ;
  49
  50         return ret;
  51 }
  52
  53 static int dm_test_destroy(struct unit_test_state *uts)
  54 {
  55         int id;
  56
  57         for (id = 0; id < UCLASS_COUNT; id++) {
  58                 struct uclass *uc;
  59
  60                 /*
  61                  * If the uclass doesn't exist we don't want to create it. So
  62                  * check that here before we call uclass_find_device()/
  63                  */
  64                 uc = uclass_find(id);
  65                 if (!uc)
  66                         continue;
  67                 ut_assertok(uclass_destroy(uc));
  68         }
  69
  70         return 0;
  71 }
  72
  73 int dm_test_main(const char *test_name)
  74 {
  75         struct unit_test *tests = ll_entry_start(struct unit_test, dm_test);
  76         const int n_ents = ll_entry_count(struct unit_test, dm_test);
  77         struct unit_test_state *uts = &global_dm_test_state;
  78         uts->priv = &_global_priv_dm_test_state;
  79         struct unit_test *test;
  80
  81         /*
  82          * If we have no device tree, or it only has a root node, then these
  83          * tests clearly aren't going to work...
  84          */
  85         if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) {
  86                 puts("Please run with test device tree:\n"
  87                      "    ./u-boot -d arch/sandbox/dts/test.dtb\n");
  88                 ut_assert(gd->fdt_blob);
  89         }
  90
  91         if (!test_name)
  92                 printf("Running %d driver model tests\n", n_ents);
  93
  94         for (test = tests; test < tests + n_ents; test++) {
  95                 if (test_name && strcmp(test_name, test->name))
  96                         continue;
  97                 printf("Test: %s\n", test->name);
  98                 ut_assertok(dm_test_init(uts));
  99
 100                 uts->start = mallinfo();
 101                 if (test->flags & DM_TESTF_SCAN_PDATA)
 102                         ut_assertok(dm_scan_platdata(false));
 103                 if (test->flags & DM_TESTF_PROBE_TEST)
 104                         ut_assertok(do_autoprobe(uts));
 105                 if (test->flags & DM_TESTF_SCAN_FDT)
 106                         ut_assertok(dm_scan_fdt(gd->fdt_blob, false));
 107
 108                 if (test->func(uts))
 109                         break;
 110
 111                 ut_assertok(dm_test_destroy(uts));
 112         }
 113
 114         printf("Failures: %d\n", uts->fail_count);
 115
 116         return 0;
 117 }