default_app_order_unittest.cc revision 7dbb3d5cf0c15f500944d211057644d6a2f37371 
1// Copyright (c) 2012 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 "chrome/browser/chromeos/extensions/default_app_order.h"
6
7#include <string>
8#include <vector>
9
10#include "base/file_util.h"
11#include "base/files/file_path.h"
12#include "base/files/scoped_temp_dir.h"
13#include "base/memory/scoped_ptr.h"
14#include "base/path_service.h"
15#include "base/test/scoped_path_override.h"
16#include "chromeos/chromeos_paths.h"
17#include "testing/gtest/include/gtest/gtest.h"
18
19namespace chromeos {
20
21namespace {
22
23const base::FilePath::CharType kTestFile[] =
24    FILE_PATH_LITERAL("test_default_app_order.json");
25}
26
27class DefaultAppOrderTest : public testing::Test {
28 public:
29  DefaultAppOrderTest() {}
30  virtual ~DefaultAppOrderTest() {}
31
32  // testing::Test overrides:
33  virtual void SetUp() OVERRIDE {
34    default_app_order::Get(&built_in_default_);
35  }
36  virtual void TearDown() OVERRIDE {
37  }
38
39  bool IsBuiltInDefault(const std::vector<std::string>& apps) {
40    if (apps.size() != built_in_default_.size())
41      return false;
42
43    for (size_t i = 0; i < built_in_default_.size(); ++i) {
44      if (built_in_default_[i] != apps[i])
45        return false;
46    }
47
48    return true;
49  }
50
51  void SetExternalFile(const base::FilePath& path) {
52    path_override_.reset(new base::ScopedPathOverride(
53        chromeos::FILE_DEFAULT_APP_ORDER, path));
54  }
55
56  void CreateExternalOrderFile(const std::string& content) {
57    ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
58    base::FilePath external_file = temp_dir_.path().Append(kTestFile);
59    file_util::WriteFile(external_file, content.c_str(), content.size());
60    SetExternalFile(external_file);
61  }
62
63 private:
64  std::vector<std::string> built_in_default_;
65
66  base::ScopedTempDir temp_dir_;
67  scoped_ptr<base::ScopedPathOverride> path_override_;
68
69  DISALLOW_COPY_AND_ASSIGN(DefaultAppOrderTest);
70};
71
72// Tests that the built-in default order is returned when ExternalLoader is not
73// created.
74TEST_F(DefaultAppOrderTest, BuiltInDefault) {
75  std::vector<std::string> apps;
76  default_app_order::Get(&apps);
77  EXPECT_TRUE(IsBuiltInDefault(apps));
78}
79
80// Tests external order file overrides built-in default.
81TEST_F(DefaultAppOrderTest, ExternalOrder) {
82  const char kExternalOrder[] = "[\"app1\",\"app2\",\"app3\"]";
83  CreateExternalOrderFile(std::string(kExternalOrder));
84
85  scoped_ptr<default_app_order::ExternalLoader> loader(
86      new default_app_order::ExternalLoader(false));
87
88  std::vector<std::string> apps;
89  default_app_order::Get(&apps);
90  EXPECT_EQ(3u, apps.size());
91  EXPECT_EQ(std::string("app1"), apps[0]);
92  EXPECT_EQ(std::string("app2"), apps[1]);
93  EXPECT_EQ(std::string("app3"), apps[2]);
94}
95
96// Tests none-existent order file gives built-in default.
97TEST_F(DefaultAppOrderTest, NoExternalFile) {
98  base::ScopedTempDir scoped_tmp_dir;
99  ASSERT_TRUE(scoped_tmp_dir.CreateUniqueTempDir());
100
101  base::FilePath none_existent_file =
102      scoped_tmp_dir.path().AppendASCII("none_existent_file");
103  ASSERT_FALSE(base::PathExists(none_existent_file));
104  SetExternalFile(none_existent_file);
105
106  scoped_ptr<default_app_order::ExternalLoader> loader(
107      new default_app_order::ExternalLoader(false));
108
109  std::vector<std::string> apps;
110  default_app_order::Get(&apps);
111  EXPECT_TRUE(IsBuiltInDefault(apps));
112}
113
114// Tests bad json file gives built-in default.
115TEST_F(DefaultAppOrderTest, BadExternalFile) {
116  const char kExternalOrder[] = "This is not a valid json.";
117  CreateExternalOrderFile(std::string(kExternalOrder));
118
119  scoped_ptr<default_app_order::ExternalLoader> loader(
120      new default_app_order::ExternalLoader(false));
121
122  std::vector<std::string> apps;
123  default_app_order::Get(&apps);
124  EXPECT_TRUE(IsBuiltInDefault(apps));
125}
126
127}  // namespace chromeos
128