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1 // Copyright 2013 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 "content/shell/browser/shell_layout_tests_android.h"
6 
7 #include "base/android/fifo_utils.h"
8 #include "base/android/jni_android.h"
9 #include "base/android/jni_string.h"
10 #include "base/command_line.h"
11 #include "base/files/file_path.h"
12 #include "base/message_loop/message_loop.h"
13 #include "content/public/test/nested_message_pump_android.h"
14 #include "content/shell/common/shell_switches.h"
15 #include "jni/ShellLayoutTestUtils_jni.h"
16 #include "url/gurl.h"
17 
18 namespace {
19 
20 // Path to search for when translating a layout test path to an URL.
21 const char kAndroidLayoutTestPath[] =
22     "/data/local/tmp/third_party/WebKit/LayoutTests/";
23 
24 // The base URL from which layout tests are being served on Android.
25 const char kAndroidLayoutTestBase[] = "http://127.0.0.1:8000/all-tests/";
26 
GetTestFilesDirectory(JNIEnv * env)27 base::FilePath GetTestFilesDirectory(JNIEnv* env) {
28   ScopedJavaLocalRef<jstring> directory =
29       content::Java_ShellLayoutTestUtils_getApplicationFilesDirectory(
30           env, base::android::GetApplicationContext());
31   return base::FilePath(ConvertJavaStringToUTF8(directory));
32 }
33 
EnsureCreateFIFO(const base::FilePath & path)34 void EnsureCreateFIFO(const base::FilePath& path) {
35   unlink(path.value().c_str());
36   CHECK(base::android::CreateFIFO(path, 0666))
37     << "Unable to create the Android's FIFO: " << path.value().c_str();
38 }
39 
CreateMessagePumpForUI()40 scoped_ptr<base::MessagePump> CreateMessagePumpForUI() {
41   return scoped_ptr<base::MessagePump>(new content::NestedMessagePumpAndroid());
42 }
43 
44 }  // namespace
45 
46 namespace content {
47 
GetTestUrlForAndroid(std::string & path_or_url,GURL * url)48 bool GetTestUrlForAndroid(std::string& path_or_url, GURL* url) {
49   if (path_or_url.find(kAndroidLayoutTestPath) == std::string::npos)
50     return false;
51 
52   std::string test_location(kAndroidLayoutTestBase);
53   test_location.append(path_or_url.substr(strlen(kAndroidLayoutTestPath)));
54 
55   *url = GURL(test_location);
56   return true;
57 }
58 
EnsureInitializeForAndroidLayoutTests()59 void EnsureInitializeForAndroidLayoutTests() {
60   CHECK(CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree));
61 
62   JNIEnv* env = base::android::AttachCurrentThread();
63   content::NestedMessagePumpAndroid::RegisterJni(env);
64   content::RegisterNativesImpl(env);
65 
66   bool success = base::MessageLoop::InitMessagePumpForUIFactory(
67       &CreateMessagePumpForUI);
68   CHECK(success) << "Unable to initialize the message pump for Android.";
69 
70   // Android will need three FIFOs to communicate with the Blink test runner,
71   // one for each of [stdout, stderr, stdin].
72   base::FilePath files_dir(GetTestFilesDirectory(env));
73 
74   base::FilePath stdout_fifo(files_dir.Append(FILE_PATH_LITERAL("test.fifo")));
75   EnsureCreateFIFO(stdout_fifo);
76 
77   base::FilePath stderr_fifo(
78       files_dir.Append(FILE_PATH_LITERAL("stderr.fifo")));
79   EnsureCreateFIFO(stderr_fifo);
80 
81   base::FilePath stdin_fifo(files_dir.Append(FILE_PATH_LITERAL("stdin.fifo")));
82   EnsureCreateFIFO(stdin_fifo);
83 
84   // Redirecting stdout needs to happen before redirecting stdin, which needs
85   // to happen before redirecting stderr.
86   success = base::android::RedirectStream(stdout, stdout_fifo, "w") &&
87             base::android::RedirectStream(stdin, stdin_fifo, "r") &&
88             base::android::RedirectStream(stderr, stderr_fifo, "w");
89 
90   CHECK(success) << "Unable to initialize the Android FIFOs.";
91 }
92 
93 }  // namespace content
94