Quelle  arg_parsing.c   Sprache: C

// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)

#include "test_progs.h"
#include "testing_helpers.h"

static void init_test_filter_set(struct test_filter_set *set)
{
 set->cnt = 0;
 set->tests = NULL;
}

static void free_test_filter_set(struct test_filter_set *set)
{
 int i, j;

 for (i = 0; i < set->cnt; i++) {
  for (j = 0; j < set->tests[i].subtest_cnt; j++)
   free((void *)set->tests[i].subtests[j]);
  free(set->tests[i].subtests);
  free(set->tests[i].name);
 }

 free(set->tests);
 init_test_filter_set(set);
}

static void test_parse_test_list(void)
{
 struct test_filter_set set;

 init_test_filter_set(&set);

 ASSERT_OK(parse_test_list("arg_parsing", &set, true), "parsing");
 if (!ASSERT_EQ(set.cnt, 1, "test filters count"))
  goto error;
 if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
  goto error;
 ASSERT_EQ(set.tests[0].subtest_cnt, 0, "subtest filters count");
 ASSERT_OK(strcmp("arg_parsing", set.tests[0].name), "subtest name");
 free_test_filter_set(&set);

 ASSERT_OK(parse_test_list("arg_parsing,bpf_cookie", &set, true),
    "parsing");
 if (!ASSERT_EQ(set.cnt, 2, "count of test filters"))
  goto error;
 if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
  goto error;
 ASSERT_EQ(set.tests[0].subtest_cnt, 0, "subtest filters count");
 ASSERT_EQ(set.tests[1].subtest_cnt, 0, "subtest filters count");
 ASSERT_OK(strcmp("arg_parsing", set.tests[0].name), "test name");
 ASSERT_OK(strcmp("bpf_cookie", set.tests[1].name), "test name");
 free_test_filter_set(&set);

 ASSERT_OK(parse_test_list("arg_parsing/arg_parsing,bpf_cookie",
      &set,
      true),
    "parsing");
 if (!ASSERT_EQ(set.cnt, 2, "count of test filters"))
  goto error;
 if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
  goto error;
 if (!ASSERT_EQ(set.tests[0].subtest_cnt, 1, "subtest filters count"))
  goto error;
 ASSERT_EQ(set.tests[1].subtest_cnt, 0, "subtest filters count");
 ASSERT_OK(strcmp("arg_parsing", set.tests[0].name), "test name");
 ASSERT_OK(strcmp("arg_parsing", set.tests[0].subtests[0]),
    "subtest name");
 ASSERT_OK(strcmp("bpf_cookie", set.tests[1].name), "test name");
 free_test_filter_set(&set);

 ASSERT_OK(parse_test_list("arg_parsing/arg_parsing", &set, true),
    "parsing");
 ASSERT_OK(parse_test_list("bpf_cookie", &set, true), "parsing");
 ASSERT_OK(parse_test_list("send_signal", &set, true), "parsing");
 if (!ASSERT_EQ(set.cnt, 3, "count of test filters"))
  goto error;
 if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
  goto error;
 if (!ASSERT_EQ(set.tests[0].subtest_cnt, 1, "subtest filters count"))
  goto error;
 ASSERT_EQ(set.tests[1].subtest_cnt, 0, "subtest filters count");
 ASSERT_EQ(set.tests[2].subtest_cnt, 0, "subtest filters count");
 ASSERT_OK(strcmp("arg_parsing", set.tests[0].name), "test name");
 ASSERT_OK(strcmp("arg_parsing", set.tests[0].subtests[0]),
    "subtest name");
 ASSERT_OK(strcmp("bpf_cookie", set.tests[1].name), "test name");
 ASSERT_OK(strcmp("send_signal", set.tests[2].name), "test name");
 free_test_filter_set(&set);

 ASSERT_OK(parse_test_list("bpf_cookie/trace", &set, false), "parsing");
 if (!ASSERT_EQ(set.cnt, 1, "count of test filters"))
  goto error;
 if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
  goto error;
 if (!ASSERT_EQ(set.tests[0].subtest_cnt, 1, "subtest filters count"))
  goto error;
 ASSERT_OK(strcmp("*bpf_cookie*", set.tests[0].name), "test name");
 ASSERT_OK(strcmp("*trace*", set.tests[0].subtests[0]), "subtest name");
 free_test_filter_set(&set);

 ASSERT_OK(parse_test_list("t/subtest1,t/subtest2", &set, true),
    "parsing");
 if (!ASSERT_EQ(set.cnt, 1, "count of test filters"))
  goto error;
 if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
  goto error;
 if (!ASSERT_EQ(set.tests[0].subtest_cnt, 2, "subtest filters count"))
  goto error;
 ASSERT_OK(strcmp("t", set.tests[0].name), "test name");
 ASSERT_OK(strcmp("subtest1", set.tests[0].subtests[0]), "subtest name");
 ASSERT_OK(strcmp("subtest2", set.tests[0].subtests[1]), "subtest name");
error:
 free_test_filter_set(&set);
}

static void test_parse_test_list_file(void)
{
 struct test_filter_set set;
 char tmpfile[80];
 FILE *fp;
 int fd;

 snprintf(tmpfile, sizeof(tmpfile), "/tmp/bpf_arg_parsing_test.XXXXXX");
 fd = mkstemp(tmpfile);
 if (!ASSERT_GE(fd, 0, "create tmp"))
  return;

 fp = fdopen(fd, "w");
 if (!ASSERT_NEQ(fp, NULL, "fdopen tmp")) {
  close(fd);
  goto out_remove;
 }

 fprintf(fp, "# comment\n");
 fprintf(fp, " test_with_spaces \n");
 fprintf(fp, "testA/subtest # comment\n");
 fprintf(fp, "testB#comment with no space\n");
 fprintf(fp, "testB # duplicate\n");
 fprintf(fp, "testA/subtest # subtest duplicate\n");
 fprintf(fp, "testA/subtest2\n");
 fprintf(fp, "testC_no_eof_newline");
 fflush(fp);

 if (!ASSERT_OK(ferror(fp), "prepare tmp"))
  goto out_fclose;

 if (!ASSERT_OK(fsync(fileno(fp)), "fsync tmp"))
  goto out_fclose;

 init_test_filter_set(&set);

 if (!ASSERT_OK(parse_test_list_file(tmpfile, &set, true), "parse file"))
  goto out_fclose;

 if (!ASSERT_EQ(set.cnt, 4, "test count"))
  goto out_free_set;

 ASSERT_OK(strcmp("test_with_spaces", set.tests[0].name), "test 0 name");
 ASSERT_EQ(set.tests[0].subtest_cnt, 0, "test 0 subtest count");
 ASSERT_OK(strcmp("testA", set.tests[1].name), "test 1 name");
 ASSERT_EQ(set.tests[1].subtest_cnt, 2, "test 1 subtest count");
 ASSERT_OK(strcmp("subtest", set.tests[1].subtests[0]), "test 1 subtest 0");
 ASSERT_OK(strcmp("subtest2", set.tests[1].subtests[1]), "test 1 subtest 1");
 ASSERT_OK(strcmp("testB", set.tests[2].name), "test 2 name");
 ASSERT_OK(strcmp("testC_no_eof_newline", set.tests[3].name), "test 3 name");

out_free_set:
 free_test_filter_set(&set);
out_fclose:
 fclose(fp);
out_remove:
 remove(tmpfile);
}

void test_arg_parsing(void)
{
 if (test__start_subtest("test_parse_test_list"))
  test_parse_test_list();
 if (test__start_subtest("test_parse_test_list_file"))
  test_parse_test_list_file();
}