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 <console.h>
  10 #include <dm.h>
  11 #include <errno.h>
  12 #include <malloc.h>
  13 #include <asm/state.h>
  14 #include <dm/test.h>
  15 #include <dm/root.h>
  16 #include <dm/uclass-internal.h>
  17 #include <test/ut.h>
  18
  19 DECLARE_GLOBAL_DATA_PTR;
  20
  21 struct unit_test_state global_dm_test_state;
  22 static struct dm_test_state _global_priv_dm_test_state;
  23
  24 /* Get ready for testing */
  25 static int dm_test_init(struct unit_test_state *uts)
  26 {
  27         struct dm_test_state *dms = uts->priv;
  28
  29         memset(dms, '\0', sizeof(*dms));
  30         gd->dm_root = NULL;
  31         memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
  32         state_reset_for_test(state_get_current());
  33
  34         ut_assertok(dm_init(false));
  35         dms->root = dm_root();
  36
  37         return 0;
  38 }
  39
  40 /* Ensure all the test devices are probed */
  41 static int do_autoprobe(struct unit_test_state *uts)
  42 {
  43         struct udevice *dev;
  44         int ret;
  45
  46         /* Scanning the uclass is enough to probe all the devices */
  47         for (ret = uclass_first_device(UCLASS_TEST, &dev);
  48              dev;
  49              ret = uclass_next_device(&dev))
  50                 ;
  51
  52         return ret;
  53 }
  54
  55 static int dm_test_destroy(struct unit_test_state *uts)
  56 {
  57         int id;
  58
  59         for (id = 0; id < UCLASS_COUNT; id++) {
  60                 struct uclass *uc;
  61
  62                 /*
  63                  * If the uclass doesn't exist we don't want to create it. So
  64                  * check that here before we call uclass_find_device()/
  65                  */
  66                 uc = uclass_find(id);
  67                 if (!uc)
  68                         continue;
  69                 ut_assertok(uclass_destroy(uc));
  70         }
  71
  72         return 0;
  73 }
  74
  75 static int dm_do_test(struct unit_test_state *uts, struct unit_test *test)
  76 {
  77         struct sandbox_state *state = state_get_current();
  78         const char *fname = strrchr(test->file, '/') + 1;
  79
  80         printf("Test: %s: %s\n", test->name, fname);
  81         ut_assertok(dm_test_init(uts));
  82
  83         uts->start = mallinfo();
  84         if (test->flags & DM_TESTF_SCAN_PDATA)
  85                 ut_assertok(dm_scan_platdata(false));
  86         if (test->flags & DM_TESTF_PROBE_TEST)
  87                 ut_assertok(do_autoprobe(uts));
  88         if (test->flags & DM_TESTF_SCAN_FDT)
  89                 ut_assertok(dm_scan_fdt(gd->fdt_blob, false));
  90
  91         /*
  92          * Silence the console and rely on console reocrding to get
  93          * our output.
  94          */
  95         console_record_reset();
  96         if (!state->show_test_output)
  97                 gd->flags |= GD_FLG_SILENT;
  98         test->func(uts);
  99         gd->flags &= ~GD_FLG_SILENT;
 100         state_set_skip_delays(false);
 101
 102         ut_assertok(dm_test_destroy(uts));
 103
 104         return 0;
 105 }
 106
 107 static int dm_test_main(const char *test_name)
 108 {
 109         struct unit_test *tests = ll_entry_start(struct unit_test, dm_test);
 110         const int n_ents = ll_entry_count(struct unit_test, dm_test);
 111         struct unit_test_state *uts = &global_dm_test_state;
 112         uts->priv = &_global_priv_dm_test_state;
 113         struct unit_test *test;
 114         int run_count;
 115
 116         uts->fail_count = 0;
 117
 118         /*
 119          * If we have no device tree, or it only has a root node, then these
 120          * tests clearly aren't going to work...
 121          */
 122         if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) {
 123                 puts("Please run with test device tree:\n"
 124                      "    ./u-boot -d arch/sandbox/dts/test.dtb\n");
 125                 ut_assert(gd->fdt_blob);
 126         }
 127
 128         if (!test_name)
 129                 printf("Running %d driver model tests\n", n_ents);
 130
 131         run_count = 0;
 132         for (test = tests; test < tests + n_ents; test++) {
 133                 const char *name = test->name;
 134
 135                 /* All tests have this prefix */
 136                 if (!strncmp(name, "dm_test_", 8))
 137                         name += 8;
 138                 if (test_name && strcmp(test_name, name))
 139                         continue;
 140                 ut_assertok(dm_do_test(uts, test));
 141                 run_count++;
 142         }
 143
 144         if (test_name && !run_count)
 145                 printf("Test '%s' not found\n", test_name);
 146         else
 147                 printf("Failures: %d\n", uts->fail_count);
 148
 149         gd->dm_root = NULL;
 150         ut_assertok(dm_init(false));
 151         dm_scan_platdata(false);
 152         dm_scan_fdt(gd->fdt_blob, false);
 153
 154         return uts->fail_count ? CMD_RET_FAILURE : 0;
 155 }
 156
 157 int do_ut_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 158 {
 159         const char *test_name = NULL;
 160
 161         if (argc > 1)
 162                 test_name = argv[1];
 163
 164         return dm_test_main(test_name);
 165 }