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 <command.h>
   9 #include <dm.h>
  10 #include <errno.h>
  11 #include <malloc.h>
  12 #include <dm/test.h>
  13 #include <dm/root.h>
  14 #include <dm/uclass-internal.h>
  15 #include <test/ut.h>
  16
  17 DECLARE_GLOBAL_DATA_PTR;
  18
  19 struct unit_test_state global_dm_test_state;
  20 static struct dm_test_state _global_priv_dm_test_state;
  21
  22 /* Get ready for testing */
  23 static int dm_test_init(struct unit_test_state *uts)
  24 {
  25         struct dm_test_state *dms = uts->priv;
  26
  27         memset(dms, '\0', sizeof(*dms));
  28         gd->dm_root = NULL;
  29         memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
  30
  31         ut_assertok(dm_init());
  32         dms->root = dm_root();
  33
  34         return 0;
  35 }
  36
  37 /* Ensure all the test devices are probed */
  38 static int do_autoprobe(struct unit_test_state *uts)
  39 {
  40         struct udevice *dev;
  41         int ret;
  42
  43         /* Scanning the uclass is enough to probe all the devices */
  44         for (ret = uclass_first_device(UCLASS_TEST, &dev);
  45              dev;
  46              ret = uclass_next_device(&dev))
  47                 ;
  48
  49         return ret;
  50 }
  51
  52 static int dm_test_destroy(struct unit_test_state *uts)
  53 {
  54         int id;
  55
  56         for (id = 0; id < UCLASS_COUNT; id++) {
  57                 struct uclass *uc;
  58
  59                 /*
  60                  * If the uclass doesn't exist we don't want to create it. So
  61                  * check that here before we call uclass_find_device()/
  62                  */
  63                 uc = uclass_find(id);
  64                 if (!uc)
  65                         continue;
  66                 ut_assertok(uclass_destroy(uc));
  67         }
  68
  69         return 0;
  70 }
  71
  72 static int dm_test_main(const char *test_name)
  73 {
  74         struct unit_test *tests = ll_entry_start(struct unit_test, dm_test);
  75         const int n_ents = ll_entry_count(struct unit_test, dm_test);
  76         struct unit_test_state *uts = &global_dm_test_state;
  77         uts->priv = &_global_priv_dm_test_state;
  78         struct unit_test *test;
  79         int run_count;
  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         run_count = 0;
  95         for (test = tests; test < tests + n_ents; test++) {
  96                 const char *name = test->name;
  97
  98                 /* All tests have this prefix */
  99                 if (!strncmp(name, "dm_test_", 8))
 100                         name += 8;
 101                 if (test_name && strcmp(test_name, name))
 102                         continue;
 103                 printf("Test: %s\n", test->name);
 104                 run_count++;
 105                 ut_assertok(dm_test_init(uts));
 106
 107                 uts->start = mallinfo();
 108                 if (test->flags & DM_TESTF_SCAN_PDATA)
 109                         ut_assertok(dm_scan_platdata(false));
 110                 if (test->flags & DM_TESTF_PROBE_TEST)
 111                         ut_assertok(do_autoprobe(uts));
 112                 if (test->flags & DM_TESTF_SCAN_FDT)
 113                         ut_assertok(dm_scan_fdt(gd->fdt_blob, false));
 114
 115                 test->func(uts);
 116
 117                 ut_assertok(dm_test_destroy(uts));
 118         }
 119
 120         if (test_name && !run_count)
 121                 printf("Test '%s' not found\n", test_name);
 122         else
 123                 printf("Failures: %d\n", uts->fail_count);
 124
 125         gd->dm_root = NULL;
 126         ut_assertok(dm_init());
 127         dm_scan_platdata(false);
 128         dm_scan_fdt(gd->fdt_blob, false);
 129
 130         return uts->fail_count ? CMD_RET_FAILURE : 0;
 131 }
 132
 133 int do_ut_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 134 {
 135         const char *test_name = NULL;
 136
 137         if (argc > 1)
 138                 test_name = argv[1];
 139
 140         return dm_test_main(test_name);
 141 }