1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "standalone_cld_data_harness.h"
6
7#include "base/base_paths.h"
8#include "base/files/file_util.h"
9#include "base/logging.h"
10#include "base/path_service.h"
11#include "chrome/common/chrome_paths.h"
12#include "testing/gtest/include/gtest/gtest.h"
13
14namespace {
15
16// This has to match what's in chrome_translate_client.cc
17const base::FilePath::CharType kStandaloneDataFileName[] =
18    FILE_PATH_LITERAL("cld2_data.bin");
19
20}  // namespace
21
22namespace test {
23
24StandaloneCldDataHarness::StandaloneCldDataHarness() {
25  // Constructor does nothing in all cases. See Init() for initialization.
26}
27
28StandaloneCldDataHarness::~StandaloneCldDataHarness() {
29  VLOG(1) << "Tearing down CLD data harness";
30  DeleteStandaloneDataFile();
31}
32
33void StandaloneCldDataHarness::Init() {
34  VLOG(1) << "Initializing CLD data harness";
35  // Dynamic data mode is enabled and we are using a standalone file.
36  ASSERT_NO_FATAL_FAILURE(CopyStandaloneDataFile());
37}
38
39void StandaloneCldDataHarness::GetStandaloneDataFileSource(
40    base::FilePath* out_path) {
41  CldDataHarness::GetTestDataSourceDirectory(out_path);
42  *out_path = out_path->Append(FILE_PATH_LITERAL("_platform_specific"))
43                  .Append(FILE_PATH_LITERAL("all"))
44                  .Append(kStandaloneDataFileName);
45}
46
47// Using the USER_DATA_DIR not only mimics true functionality, but also is
48// important to test isolation. Each test gets its own USER_DATA_DIR, which
49// ensures proper isolation between test processes running in parallel.
50void StandaloneCldDataHarness::GetStandaloneDataFileDestination(
51    base::FilePath* out_path) {
52  ASSERT_TRUE(PathService::Get(chrome::DIR_USER_DATA, out_path));
53  *out_path = out_path->Append(kStandaloneDataFileName);
54}
55
56void StandaloneCldDataHarness::DeleteStandaloneDataFile() {
57  base::FilePath path;
58  ASSERT_NO_FATAL_FAILURE(GetStandaloneDataFileDestination(&path));
59  VLOG(1) << "Deleting CLD test data file from " << path.value();
60  base::DeleteFile(path, false);
61}
62
63void StandaloneCldDataHarness::CopyStandaloneDataFile() {
64  DeleteStandaloneDataFile();  // sanity: blow away any old copies.
65  base::FilePath target_file;
66  GetStandaloneDataFileDestination(&target_file);
67  base::FilePath target_dir = target_file.DirName();
68  ASSERT_TRUE(base::CreateDirectoryAndGetError(target_dir, NULL));
69  base::FilePath source_file;
70  GetStandaloneDataFileSource(&source_file);
71  VLOG(1) << "Copying CLD test data file from " << source_file.value() << " to "
72          << target_file.value();
73  ASSERT_TRUE(base::CopyFile(source_file, target_file));
74  ASSERT_TRUE(base::PathExists(target_file));
75}
76
77scoped_ptr<CldDataHarness> CreateCldDataHarness() {
78  scoped_ptr<CldDataHarness> result(new StandaloneCldDataHarness());
79  return result.Pass();
80}
81
82}  // namespace test
83