summaryrefslogtreecommitdiffstats
path: root/chrome/test/base/chrome_test_suite.cc
blob: f348af65c87c4c3cd6fbe83771d15e349f71c0b0 (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
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
// 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 "chrome/test/base/chrome_test_suite.h"

#if defined(OS_CHROMEOS)
#include <stdio.h>
#include <unistd.h>
#endif

#include "base/command_line.h"
#include "base/file_util.h"
#include "base/memory/ref_counted.h"
#include "base/metrics/stats_table.h"
#include "base/path_service.h"
#include "base/process_util.h"
#include "base/stringprintf.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/chrome_content_browser_client.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_content_client.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/url_constants.h"
#include "chrome/test/base/testing_browser_process.h"
#include "net/base/mock_host_resolver.h"
#include "net/base/net_errors.h"
#include "net/base/net_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/resource/resource_handle.h"

#if defined(OS_ANDROID)
#include "base/android/jni_android.h"
#include "net/android/net_jni_registrar.h"
#endif

#if defined(OS_MACOSX)
#include "base/mac/bundle_locations.h"
#include "base/mac/mac_util.h"
#include "base/mac/scoped_nsautorelease_pool.h"
#include "chrome/browser/chrome_browser_application_mac.h"
#endif

#if defined(OS_POSIX)
#include "base/shared_memory.h"
#endif

namespace {

void RemoveSharedMemoryFile(const std::string& filename) {
  // Stats uses SharedMemory under the hood. On posix, this results in a file
  // on disk.
#if defined(OS_POSIX)
  base::SharedMemory memory;
  memory.Delete(filename);
#endif
}

bool IsCrosPythonProcess() {
#if defined(OS_CHROMEOS)
  char buf[80];
  int num_read = readlink(base::kProcSelfExe, buf, sizeof(buf) - 1);
  if (num_read == -1)
    return false;
  buf[num_read] = 0;
  const char kPythonPrefix[] = "/python";
  return !strncmp(strrchr(buf, '/'), kPythonPrefix, sizeof(kPythonPrefix) - 1);
#else
  return false;
#endif  // defined(OS_CHROMEOS)
}

// In many cases it may be not obvious that a test makes a real DNS lookup.
// We generally don't want to rely on external DNS servers for our tests,
// so this host resolver procedure catches external queries and returns a failed
// lookup result.
class LocalHostResolverProc : public net::HostResolverProc {
 public:
  LocalHostResolverProc() : HostResolverProc(NULL) {}

  virtual int Resolve(const std::string& host,
                      net::AddressFamily address_family,
                      net::HostResolverFlags host_resolver_flags,
                      net::AddressList* addrlist,
                      int* os_error) {
    const char* kLocalHostNames[] = {"localhost", "127.0.0.1", "::1"};
    bool local = false;

    if (host == net::GetHostName()) {
      local = true;
    } else {
      for (size_t i = 0; i < arraysize(kLocalHostNames); i++)
        if (host == kLocalHostNames[i]) {
          local = true;
          break;
        }
    }

    // To avoid depending on external resources and to reduce (if not preclude)
    // network interactions from tests, we simulate failure for non-local DNS
    // queries, rather than perform them.
    // If you really need to make an external DNS query, use
    // net::RuleBasedHostResolverProc and its AllowDirectLookup method.
    if (!local) {
      DVLOG(1) << "To avoid external dependencies, simulating failure for "
          "external DNS lookup of " << host;
      return net::ERR_NOT_IMPLEMENTED;
    }

    return ResolveUsingPrevious(host, address_family, host_resolver_flags,
                                addrlist, os_error);
  }

 private:
  virtual ~LocalHostResolverProc() {}
};

class ChromeTestSuiteInitializer : public testing::EmptyTestEventListener {
 public:
  ChromeTestSuiteInitializer() {
  }

  virtual void OnTestStart(const testing::TestInfo& test_info) OVERRIDE {
    DCHECK(!g_browser_process);
    g_browser_process = new TestingBrowserProcess;

    DCHECK(!content::GetContentClient());
    content_client_.reset(new chrome::ChromeContentClient);
    browser_content_client_.reset(new chrome::ChromeContentBrowserClient());
    content_client_->set_browser_for_testing(browser_content_client_.get());
    content::SetContentClient(content_client_.get());

    SetUpHostResolver();
  }

  virtual void OnTestEnd(const testing::TestInfo& test_info) OVERRIDE {
    if (g_browser_process) {
      delete g_browser_process;
      g_browser_process = NULL;
    }

    DCHECK_EQ(content_client_.get(), content::GetContentClient());
    browser_content_client_.reset();
    content_client_.reset();
    content::SetContentClient(NULL);

    TearDownHostResolver();
  }

 private:
  void SetUpHostResolver() {
    host_resolver_proc_ = new LocalHostResolverProc;
    scoped_host_resolver_proc_.reset(
        new net::ScopedDefaultHostResolverProc(host_resolver_proc_.get()));
  }

  void TearDownHostResolver() {
    scoped_host_resolver_proc_.reset();
    host_resolver_proc_ = NULL;
  }

  scoped_ptr<BrowserProcess> browser_process_;

  scoped_ptr<chrome::ChromeContentClient> content_client_;
  scoped_ptr<chrome::ChromeContentBrowserClient> browser_content_client_;

  scoped_refptr<LocalHostResolverProc> host_resolver_proc_;
  scoped_ptr<net::ScopedDefaultHostResolverProc> scoped_host_resolver_proc_;

  DISALLOW_COPY_AND_ASSIGN(ChromeTestSuiteInitializer);
};

}  // namespace

ChromeTestSuite::ChromeTestSuite(int argc, char** argv)
    : content::ContentTestSuiteBase(argc, argv) {
}

ChromeTestSuite::~ChromeTestSuite() {
}

void ChromeTestSuite::Initialize() {
#if defined(OS_MACOSX)
  base::mac::ScopedNSAutoreleasePool autorelease_pool;
  chrome_browser_application_mac::RegisterBrowserCrApp();
#endif

#if defined(OS_ANDROID)
  // Register JNI bindings for android.
  net::android::RegisterJni(base::android::AttachCurrentThread());
#endif

  chrome::RegisterPathProvider();
  if (!browser_dir_.empty()) {
    PathService::Override(base::DIR_EXE, browser_dir_);
    PathService::Override(base::DIR_MODULE, browser_dir_);
  }

  // Disable external libraries load if we are under python process in
  // ChromeOS.  That means we are autotest and, if ASAN is used,
  // external libraries load crashes.
  content::ContentTestSuiteBase::set_external_libraries_enabled(
      !IsCrosPythonProcess());

  // Initialize after overriding paths as some content paths depend on correct
  // values for DIR_EXE and DIR_MODULE.
  content::ContentTestSuiteBase::Initialize();

#if defined(OS_MACOSX)
  // Look in the framework bundle for resources.
  FilePath path;
  PathService::Get(base::DIR_EXE, &path);
  path = path.Append(chrome::kFrameworkName);
  base::mac::SetOverrideFrameworkBundlePath(path);
#endif

  // Force unittests to run using en-US so if we test against string
  // output, it'll pass regardless of the system language.
  ResourceBundle::InitSharedInstanceWithLocale("en-US", NULL);
  FilePath resources_pack_path;
  PathService::Get(base::DIR_MODULE, &resources_pack_path);
  resources_pack_path =
      resources_pack_path.Append(FILE_PATH_LITERAL("resources.pak"));
  ResourceBundle::GetSharedInstance().AddDataPackFromPath(
      resources_pack_path, ui::SCALE_FACTOR_100P);

  stats_filename_ = base::StringPrintf("unit_tests-%d",
                                       base::GetCurrentProcId());
  RemoveSharedMemoryFile(stats_filename_);
  stats_table_.reset(new base::StatsTable(stats_filename_, 20, 200));
  base::StatsTable::set_current(stats_table_.get());

  testing::TestEventListeners& listeners =
      testing::UnitTest::GetInstance()->listeners();
  listeners.Append(new ChromeTestSuiteInitializer);
}

content::ContentClient* ChromeTestSuite::CreateClientForInitialization() {
  return new chrome::ChromeContentClient();
}

void ChromeTestSuite::Shutdown() {
  ResourceBundle::CleanupSharedInstance();

#if defined(OS_MACOSX)
  base::mac::SetOverrideFrameworkBundle(NULL);
#endif

  base::StatsTable::set_current(NULL);
  stats_table_.reset();
  RemoveSharedMemoryFile(stats_filename_);

  base::TestSuite::Shutdown();
}