Change the Lo-Fi snackbar strings for Lo-Fi preview pages

components/data_reduction_proxy/content/browser/content_lofi_ui_service_unittest.cc

 // Copyright 2015 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 "components/data_reduction_proxy/content/browser/content_lofi_ui_service.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/resource_request_info.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/test_renderer_host.h"
 #include "net/socket/socket_test_util.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace data_reduction_proxy {
 
 class ContentLoFiUIServiceTest : public content::RenderViewHostTestHarness {
  public:
-  ContentLoFiUIServiceTest() : callback_called_(false) {
+  ContentLoFiUIServiceTest() : callback_called_(false), is_preview_(false) {
     // Cannot use IO_MAIN_LOOP with RenderViewHostTestHarness.
     SetThreadBundleOptions(content::TestBrowserThreadBundle::REAL_IO_THREAD);
   }
 
-  void RunTestOnIOThread(base::RunLoop* ui_run_loop) {
+  void RunTestOnIOThread(base::RunLoop* ui_run_loop, bool is_preview) {
     ASSERT_TRUE(ui_run_loop);
     EXPECT_TRUE(
         content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
 
     net::TestURLRequestContext context(true);
     net::MockClientSocketFactory mock_socket_factory;
     net::TestDelegate delegate;
     context.set_client_socket_factory(&mock_socket_factory);
     context.Init();
 
     content_lofi_ui_service_.reset(new ContentLoFiUIService(
         content::BrowserThread::GetMessageLoopProxyForThread(
             content::BrowserThread::UI),
         base::Bind(&ContentLoFiUIServiceTest::OnLoFiResponseReceivedCallback,
                    base::Unretained(this))));
 
     scoped_ptr<net::URLRequest> request = CreateRequest(context, &delegate);
 
-    content_lofi_ui_service_->OnLoFiReponseReceived(*request);
+    content_lofi_ui_service_->OnLoFiReponseReceived(*request, is_preview);
 
     content::BrowserThread::PostTask(
         content::BrowserThread::UI, FROM_HERE,
         base::Bind(&base::RunLoop::Quit, base::Unretained(ui_run_loop)));
   }
 
   scoped_ptr<net::URLRequest> CreateRequest(
       const net::TestURLRequestContext& context,
       net::TestDelegate* delegate) {
     EXPECT_TRUE(
         content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
 
     scoped_ptr<net::URLRequest> request = context.CreateRequest(
         GURL("http://www.google.com/"), net::IDLE, delegate);
 
     content::ResourceRequestInfo::AllocateForTesting(
         request.get(), content::RESOURCE_TYPE_SUB_FRAME, NULL,
         web_contents()->GetMainFrame()->GetProcess()->GetID(), -1,
         web_contents()->GetMainFrame()->GetRoutingID(),
         false,  // is_main_frame
         false,  // parent_is_main_frame
         false,  // allow_download
         false,  // is_async
         true);  // is_using_lofi
 
     return request;
   }
 
-  void OnLoFiResponseReceivedCallback(content::WebContents* web_contents) {
+  void OnLoFiResponseReceivedCallback(content::WebContents* web_contents,
+                                      bool is_preview) {
     EXPECT_TRUE(
         content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
     callback_called_ = true;
+    is_preview_ = is_preview;
   }
 
-  void VerifyOnLoFiResponseReceivedCallback() {
+  void VerifyOnLoFiResponseReceivedCallback(bool is_preview) {
     EXPECT_TRUE(
         content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
     EXPECT_TRUE(callback_called_);
+    EXPECT_EQ(is_preview, is_preview_);
   }
 
  private:
   scoped_ptr<ContentLoFiUIService> content_lofi_ui_service_;
   bool callback_called_;
+  bool is_preview_;
 };
 
 TEST_F(ContentLoFiUIServiceTest, OnLoFiResponseReceived) {
   base::RunLoop ui_run_loop;
   content::BrowserThread::PostTask(
       content::BrowserThread::IO, FROM_HERE,
       base::Bind(&ContentLoFiUIServiceTest::RunTestOnIOThread,
-                 base::Unretained(this), &ui_run_loop));
+                 base::Unretained(this), &ui_run_loop, false));
   ui_run_loop.Run();
   base::MessageLoop::current()->RunUntilIdle();
-  VerifyOnLoFiResponseReceivedCallback();
+  VerifyOnLoFiResponseReceivedCallback(false);
+}
+
+TEST_F(ContentLoFiUIServiceTest, OnLoFiPreviewResponseReceived) {
+  base::RunLoop ui_run_loop;
+  content::BrowserThread::PostTask(
+      content::BrowserThread::IO, FROM_HERE,
+      base::Bind(&ContentLoFiUIServiceTest::RunTestOnIOThread,
+                 base::Unretained(this), &ui_run_loop, true));
+  ui_run_loop.Run();
+  base::MessageLoop::current()->RunUntilIdle();
+  VerifyOnLoFiResponseReceivedCallback(true);
 }
 
 }  // namespace data_reduction_proxy