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RIOT/tests/unittests/tests-vfs/tests-vfs-dir-ops.c 2.76 KB
a752c7ab   elopes   add first test an...
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  /*
   * Copyright (C) 2016 Eistec AB
   *
   * This file is subject to the terms and conditions of the GNU Lesser
   * General Public License v2.1. See the file LICENSE in the top level
   * directory for more details.
   */
  
  /**
   * @{
   *
   * @file
   * @brief Transparent-box unit tests of vfs functions stubs used when the file
   * system does not implement the requested function.
   */
  #include <errno.h>
  #include <stddef.h>
  #include <stdint.h>
  #include <string.h>
  #include <sys/stat.h>
  #include <fcntl.h>
  #include <unistd.h>
  
  #include "embUnit/embUnit.h"
  
  #include "vfs.h"
  
  #include "tests-vfs.h"
  
  static const vfs_file_system_ops_t null_fs_ops = {
      .mount   = NULL,
      .umount  = NULL,
      .unlink  = NULL,
      .statvfs = NULL,
      .stat    = NULL,
  };
  
  static const vfs_file_ops_t null_file_ops = {
      .close = NULL,
      .fstat = NULL,
      .lseek = NULL,
      .open  = NULL,
      .read  = NULL,
      .write = NULL,
  };
  
  static const vfs_dir_ops_t null_dir_ops = {
      .opendir  = NULL,
      .readdir  = NULL,
      .closedir = NULL,
  };
  
  static const vfs_file_system_t null_file_system = {
      .f_op  = &null_file_ops,
      .fs_op = &null_fs_ops,
      .d_op  = &null_dir_ops,
  };
  
  static vfs_mount_t _test_vfs_mount_null = {
      .mount_point = "/test",
      .fs = &null_file_system,
      .private_data = NULL,
  };
  
  static int _test_vfs_dir_op_status = -1;
  static vfs_DIR _test_dir;
  
  static void setup(void)
  {
      int res = vfs_mount(&_test_vfs_mount_null);
      if (res < 0) {
          _test_vfs_dir_op_status = -1;
          return;
      }
      _test_vfs_dir_op_status = vfs_opendir(&_test_dir, "/test/mydir");
  }
  
  static void teardown(void)
  {
      if (_test_vfs_dir_op_status >= 0) {
          vfs_closedir(&_test_dir);
          _test_vfs_dir_op_status = -1;
      }
      vfs_umount(&_test_vfs_mount_null);
  }
  
  static void test_vfs_null_dir_ops_opendir(void)
  {
      TEST_ASSERT_EQUAL_INT(0, _test_vfs_dir_op_status);
      int res = vfs_opendir(NULL, "/test/mydir2");
      TEST_ASSERT_EQUAL_INT(-EINVAL, res);
  }
  
  static void test_vfs_null_dir_ops_closedir(void)
  {
      TEST_ASSERT_EQUAL_INT(0, _test_vfs_dir_op_status);
      int res = vfs_closedir(&_test_dir);
      TEST_ASSERT_EQUAL_INT(0, res);
      res = vfs_closedir(&_test_dir);
      TEST_ASSERT_EQUAL_INT(-EBADF, res);
  }
  
  static void test_vfs_null_dir_ops_readdir(void)
  {
      TEST_ASSERT_EQUAL_INT(0, _test_vfs_dir_op_status);
      vfs_dirent_t buf;
      int res = vfs_readdir(&_test_dir, &buf);
      TEST_ASSERT_EQUAL_INT(-EINVAL, res);
  }
  
  Test *tests_vfs_null_dir_ops_tests(void)
  {
      EMB_UNIT_TESTFIXTURES(fixtures) {
          new_TestFixture(test_vfs_null_dir_ops_opendir),
          new_TestFixture(test_vfs_null_dir_ops_closedir),
          new_TestFixture(test_vfs_null_dir_ops_readdir),
      };
  
      EMB_UNIT_TESTCALLER(vfs_dir_op_tests, setup, teardown, fixtures);
  
      return (Test *)&vfs_dir_op_tests;
  }
  
  /** @} */