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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 
     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 
     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 
     40 scoped_ptr<base::MessagePump> CreateMessagePumpForUI() {
     41   return scoped_ptr<base::MessagePump>(new content::NestedMessagePumpAndroid());
     42 }
     43 
     44 }  // namespace
     45 
     46 namespace content {
     47 
     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 
     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