Showing previews UI for Offline Previews

chrome/browser/previews/previews_infobar_tab_helper_unittest.cc

 // Copyright 2016 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/browser/previews/previews_infobar_tab_helper.h"
 
 #include <memory>
 #include <string>
 
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings_factory.h"
 #include "chrome/browser/previews/previews_infobar_tab_helper.h"
+#include "chrome/common/features.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_test_utils.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_headers.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_pref_names.h"
+#include "components/offline_pages/offline_page_item.h"
+#include "components/offline_pages/request_header/offline_page_header.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/proxy_config/proxy_config_pref_names.h"
 #include "content/public/browser/navigation_handle.h"
 #include "content/public/test/web_contents_tester.h"
 #include "net/http/http_util.h"
 
+#if BUILDFLAG(ANDROID_JAVA_UI)
+#include "chrome/browser/android/offline_pages/offline_page_tab_helper.h"
+#endif  // BUILDFLAG(ANDROID_JAVA_UI)
+
 namespace {
 const char kTestUrl[] = "http://www.test.com/";
 }
 
 class PreviewsInfoBarTabHelperUnitTest
     : public ChromeRenderViewHostTestHarness {
  protected:
   void SetUp() override {
     ChromeRenderViewHostTestHarness::SetUp();
+// Insert an OfflinePageTabHelper before PreviewsInfoBarTabHelper.
+#if BUILDFLAG(ANDROID_JAVA_UI)
+    offline_pages::OfflinePageTabHelper::CreateForWebContents(web_contents());
+#endif  // BUILDFLAG(ANDROID_JAVA_UI)
     InfoBarService::CreateForWebContents(web_contents());
     PreviewsInfoBarTabHelper::CreateForWebContents(web_contents());
     test_handle_ = content::NavigationHandle::CreateNavigationHandleForTesting(
         GURL(kTestUrl), main_rfh());
 
     drp_test_context_ =
         data_reduction_proxy::DataReductionProxyTestContext::Builder()
             .WithMockConfig()
             .SkipSettingsInitialization()
             .Build();
@@ skipping 22 matching lines @@
   }
 
   void SimulateWillProcessResponse() {
     std::string headers = base::StringPrintf(
         "HTTP/1.1 200 OK\n%s: %s\n\n",
         data_reduction_proxy::chrome_proxy_content_transform_header(),
         data_reduction_proxy::lite_page_directive());
     test_handle_->CallWillProcessResponseForTesting(
         main_rfh(),
         net::HttpUtil::AssembleRawHeaders(headers.c_str(), headers.size()));
+    SimulateCommit();
+  }
+
+  void SimulateCommit() {
     test_handle_->CallDidCommitNavigationForTesting(GURL(kTestUrl));
   }
 
   void CallDidFinishNavigation() { test_handle_.reset(); }
 
  private:
   std::unique_ptr<content::NavigationHandle> test_handle_;
   std::unique_ptr<data_reduction_proxy::DataReductionProxyTestContext>
       drp_test_context_;
 };
 
 TEST_F(PreviewsInfoBarTabHelperUnitTest, CreateLitePageInfoBar) {
   PreviewsInfoBarTabHelper* infobar_tab_helper =
       PreviewsInfoBarTabHelper::FromWebContents(web_contents());
   EXPECT_FALSE(infobar_tab_helper->displayed_preview_infobar());
 
   SimulateWillProcessResponse();
   CallDidFinishNavigation();
 
   InfoBarService* infobar_service =
       InfoBarService::FromWebContents(web_contents());
   EXPECT_EQ(1U, infobar_service->infobar_count());
   EXPECT_TRUE(infobar_tab_helper->displayed_preview_infobar());
 
   // Navigate to reset the displayed state.
   content::WebContentsTester::For(web_contents())
       ->NavigateAndCommit(GURL(kTestUrl));
+
   EXPECT_FALSE(infobar_tab_helper->displayed_preview_infobar());
 }
+
+#if BUILDFLAG(ANDROID_JAVA_UI)
+TEST_F(PreviewsInfoBarTabHelperUnitTest, CreateOfflineInfoBar) {
+  PreviewsInfoBarTabHelper* infobar_tab_helper =
+      PreviewsInfoBarTabHelper::FromWebContents(web_contents());
+  EXPECT_FALSE(infobar_tab_helper->displayed_preview_infobar());
+
+  SimulateCommit();
+  offline_pages::OfflinePageItem item;
+  offline_pages::OfflinePageHeader header;
+  offline_pages::OfflinePageTabHelper::FromWebContents(web_contents())
+      ->SetOfflinePage(item, header, true);
+  CallDidFinishNavigation();
+
+  InfoBarService* infobar_service =
+      InfoBarService::FromWebContents(web_contents());
+  EXPECT_EQ(1U, infobar_service->infobar_count());
+  EXPECT_TRUE(infobar_tab_helper->displayed_preview_infobar());
+
+  // Navigate to reset the displayed state.
+  content::WebContentsTester::For(web_contents())
+      ->NavigateAndCommit(GURL(kTestUrl));
+
+  EXPECT_FALSE(infobar_tab_helper->displayed_preview_infobar());
+}
+#endif  // BUILDFLAG(ANDROID_JAVA_UI)