summaryrefslogtreecommitdiffstats
path: root/base/path_service_unittest.cc
blob: fbb2d766deb212388319b474801836fed2b6932a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/path_service.h"

#include "base/basictypes.h"
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/files/scoped_temp_dir.h"
#include "base/strings/string_util.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest-spi.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"

#if defined(OS_WIN)
#include <userenv.h>
#include "base/win/windows_version.h"
// userenv.dll is required for GetDefaultUserProfileDirectory().
#pragma comment(lib, "userenv.lib")
#endif

namespace {

// Returns true if PathService::Get returns true and sets the path parameter
// to non-empty for the given PathService::DirType enumeration value.
bool ReturnsValidPath(int dir_type) {
  base::FilePath path;
  bool result = PathService::Get(dir_type, &path);

  // Some paths might not exist on some platforms in which case confirming
  // |result| is true and !path.empty() is the best we can do.
  bool check_path_exists = true;
#if defined(OS_POSIX)
  // If chromium has never been started on this account, the cache path may not
  // exist.
  if (dir_type == base::DIR_CACHE)
    check_path_exists = false;
#endif
#if defined(OS_LINUX)
  // On the linux try-bots: a path is returned (e.g. /home/chrome-bot/Desktop),
  // but it doesn't exist.
  if (dir_type == base::DIR_USER_DESKTOP)
    check_path_exists = false;
#endif
#if defined(OS_WIN)
  if (dir_type == base::DIR_DEFAULT_USER_QUICK_LAUNCH) {
    // On Windows XP, the Quick Launch folder for the "Default User" doesn't
    // exist by default. At least confirm that the path returned begins with the
    // Default User's profile path.
    if (base::win::GetVersion() < base::win::VERSION_VISTA) {
      wchar_t default_profile_path[MAX_PATH];
      DWORD size = arraysize(default_profile_path);
      return (result &&
              ::GetDefaultUserProfileDirectory(default_profile_path, &size) &&
              StartsWith(path.value(), default_profile_path, false));
    }
  } else if (dir_type == base::DIR_TASKBAR_PINS) {
    // There is no pinned-to-taskbar shortcuts prior to Win7.
    if (base::win::GetVersion() < base::win::VERSION_WIN7)
      check_path_exists = false;
  }
#endif
#if defined(OS_MACOSX)
  if (dir_type != base::DIR_EXE && dir_type != base::DIR_MODULE &&
      dir_type != base::FILE_EXE && dir_type != base::FILE_MODULE) {
    if (path.ReferencesParent())
      return false;
  }
#else
  if (path.ReferencesParent())
    return false;
#endif
  return result && !path.empty() && (!check_path_exists ||
                                     base::PathExists(path));
}

#if defined(OS_WIN)
// Function to test any directory keys that are not supported on some versions
// of Windows. Checks that the function fails and that the returned path is
// empty.
bool ReturnsInvalidPath(int dir_type) {
  base::FilePath path;
  bool result = PathService::Get(dir_type, &path);
  return !result && path.empty();
}
#endif

}  // namespace

// On the Mac this winds up using some autoreleased objects, so we need to
// be a PlatformTest.
typedef PlatformTest PathServiceTest;

// Test that all PathService::Get calls return a value and a true result
// in the development environment.  (This test was created because a few
// later changes to Get broke the semantics of the function and yielded the
// correct value while returning false.)
TEST_F(PathServiceTest, Get) {
  for (int key = base::PATH_START + 1; key < base::PATH_END; ++key) {
#if defined(OS_ANDROID)
    if (key == base::FILE_MODULE || key == base::DIR_USER_DESKTOP)
      continue;  // Android doesn't implement FILE_MODULE and DIR_USER_DESKTOP;
#elif defined(OS_IOS)
    if (key == base::DIR_USER_DESKTOP)
      continue;  // iOS doesn't implement DIR_USER_DESKTOP;
#endif
    EXPECT_PRED1(ReturnsValidPath, key);
  }
#if defined(OS_WIN)
  for (int key = base::PATH_WIN_START + 1; key < base::PATH_WIN_END; ++key) {
    bool valid = true;
    switch(key) {
      case base::DIR_LOCAL_APP_DATA_LOW:
        // DIR_LOCAL_APP_DATA_LOW is not supported prior Vista and is expected
        // to fail.
        valid = base::win::GetVersion() >= base::win::VERSION_VISTA;
        break;
      case base::DIR_APP_SHORTCUTS:
        // DIR_APP_SHORTCUTS is not supported prior Windows 8 and is expected to
        // fail.
        valid = base::win::GetVersion() >= base::win::VERSION_WIN8;
        break;
    }

    if (valid)
      EXPECT_TRUE(ReturnsValidPath(key)) << key;
    else
      EXPECT_TRUE(ReturnsInvalidPath(key)) << key;
  }
#elif defined(OS_MACOSX)
  for (int key = base::PATH_MAC_START + 1; key < base::PATH_MAC_END; ++key) {
    EXPECT_PRED1(ReturnsValidPath, key);
  }
#elif defined(OS_ANDROID)
  for (int key = base::PATH_ANDROID_START + 1; key < base::PATH_ANDROID_END;
       ++key) {
    EXPECT_PRED1(ReturnsValidPath, key);
  }
#elif defined(OS_POSIX)
  for (int key = base::PATH_POSIX_START + 1; key < base::PATH_POSIX_END;
       ++key) {
    EXPECT_PRED1(ReturnsValidPath, key);
  }
#endif
}

// test that all versions of the Override function of PathService do what they
// are supposed to do.
TEST_F(PathServiceTest, Override) {
  int my_special_key = 666;
  base::ScopedTempDir temp_dir;
  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
  base::FilePath fake_cache_dir(temp_dir.path().AppendASCII("cache"));
  // PathService::Override should always create the path provided if it doesn't
  // exist.
  EXPECT_TRUE(PathService::Override(my_special_key, fake_cache_dir));
  EXPECT_TRUE(base::PathExists(fake_cache_dir));

  base::FilePath fake_cache_dir2(temp_dir.path().AppendASCII("cache2"));
  // PathService::OverrideAndCreateIfNeeded should obey the |create| parameter.
  PathService::OverrideAndCreateIfNeeded(my_special_key,
                                         fake_cache_dir2,
                                         false);
  EXPECT_FALSE(base::PathExists(fake_cache_dir2));
  EXPECT_TRUE(PathService::OverrideAndCreateIfNeeded(my_special_key,
                                                     fake_cache_dir2,
                                                     true));
  EXPECT_TRUE(base::PathExists(fake_cache_dir2));
}

// Check if multiple overrides can co-exist.
TEST_F(PathServiceTest, OverrideMultiple) {
  int my_special_key = 666;
  base::ScopedTempDir temp_dir;
  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
  base::FilePath fake_cache_dir1(temp_dir.path().AppendASCII("1"));
  EXPECT_TRUE(PathService::Override(my_special_key, fake_cache_dir1));
  EXPECT_TRUE(base::PathExists(fake_cache_dir1));
  ASSERT_EQ(1, file_util::WriteFile(fake_cache_dir1.AppendASCII("t1"), ".", 1));

  base::FilePath fake_cache_dir2(temp_dir.path().AppendASCII("2"));
  EXPECT_TRUE(PathService::Override(my_special_key + 1, fake_cache_dir2));
  EXPECT_TRUE(base::PathExists(fake_cache_dir2));
  ASSERT_EQ(1, file_util::WriteFile(fake_cache_dir2.AppendASCII("t2"), ".", 1));

  base::FilePath result;
  EXPECT_TRUE(PathService::Get(my_special_key, &result));
  // Override might have changed the path representation but our test file
  // should be still there.
  EXPECT_TRUE(base::PathExists(result.AppendASCII("t1")));
  EXPECT_TRUE(PathService::Get(my_special_key + 1, &result));
  EXPECT_TRUE(base::PathExists(result.AppendASCII("t2")));
}

TEST_F(PathServiceTest, RemoveOverride) {
  // Before we start the test we have to call RemoveOverride at least once to
  // clear any overrides that might have been left from other tests.
  PathService::RemoveOverride(base::DIR_TEMP);

  base::FilePath original_user_data_dir;
  EXPECT_TRUE(PathService::Get(base::DIR_TEMP, &original_user_data_dir));
  EXPECT_FALSE(PathService::RemoveOverride(base::DIR_TEMP));

  base::ScopedTempDir temp_dir;
  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
  EXPECT_TRUE(PathService::Override(base::DIR_TEMP, temp_dir.path()));
  base::FilePath new_user_data_dir;
  EXPECT_TRUE(PathService::Get(base::DIR_TEMP, &new_user_data_dir));
  EXPECT_NE(original_user_data_dir, new_user_data_dir);

  EXPECT_TRUE(PathService::RemoveOverride(base::DIR_TEMP));
  EXPECT_TRUE(PathService::Get(base::DIR_TEMP, &new_user_data_dir));
  EXPECT_EQ(original_user_data_dir, new_user_data_dir);
}