Show the Data Saver string for offline previews when Data Saver is enabled

chrome/browser/previews/previews_infobar_delegate_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_delegate.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 65 matching lines @@
         base::ThreadTaskRunnerHandle::Get(),
         base::ThreadTaskRunnerHandle::Get());
   }
 
   void TearDown() override {
     drp_test_context_->DestroySettings();
     ChromeRenderViewHostTestHarness::TearDown();
   }
 
   ConfirmInfoBarDelegate* CreateInfoBar(
-      PreviewsInfoBarDelegate::PreviewsInfoBarType type) {
+      PreviewsInfoBarDelegate::PreviewsInfoBarType type,
+      bool is_data_saver_user) {
     PreviewsInfoBarDelegate::Create(
-        web_contents(), type,
+        web_contents(), type, is_data_saver_user,
         base::Bind(&PreviewsInfoBarDelegateUnitTest::OnDismissPreviewsInfobar,
                    base::Unretained(this)));
 
     InfoBarService* infobar_service =
         InfoBarService::FromWebContents(web_contents());
     EXPECT_EQ(1U, infobar_service->infobar_count());
 
     return infobar_service->infobar_at(0)
         ->delegate()
         ->AsConfirmInfoBarDelegate();
   }
 
   void OnDismissPreviewsInfobar(bool user_opt_out) {
     user_opt_out_ = user_opt_out;
   }
 
   InfoBarService* infobar_service() {
     return InfoBarService::FromWebContents(web_contents());
   }
 
   std::unique_ptr<data_reduction_proxy::DataReductionProxyTestContext>
       drp_test_context_;
 
   base::Optional<bool> user_opt_out_;
 };
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, InfobarTestNavigationDismissal) {
   base::HistogramTester tester;
 
-  CreateInfoBar(PreviewsInfoBarDelegate::LOFI);
+  CreateInfoBar(PreviewsInfoBarDelegate::LOFI, true /* is_data_saver_user */);
 
   // Try showing a second infobar. Another should not be shown since the page
   // has not navigated.
   PreviewsInfoBarDelegate::Create(
       web_contents(), PreviewsInfoBarDelegate::LOFI,
+      true /* is_data_saver_user */,
       PreviewsInfoBarDelegate::OnDismissPreviewsInfobarCallback());
   EXPECT_EQ(1U, infobar_service()->infobar_count());
 
   // Navigate and make sure the infobar is dismissed.
   content::WebContentsTester::For(web_contents())
       ->NavigateAndCommit(GURL(kTestUrl));
   EXPECT_EQ(0U, infobar_service()->infobar_count());
   EXPECT_FALSE(user_opt_out_.value());
 
   tester.ExpectBucketCount(
       kUMAPreviewsInfoBarActionLoFi,
       PreviewsInfoBarDelegate::INFOBAR_DISMISSED_BY_NAVIGATION, 1);
   EXPECT_EQ(0, drp_test_context_->pref_service()->GetInteger(
                    data_reduction_proxy::prefs::kLoFiLoadImagesPerSession));
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, InfobarTestUserDismissal) {
   base::HistogramTester tester;
 
-  ConfirmInfoBarDelegate* infobar =
-      CreateInfoBar(PreviewsInfoBarDelegate::LOFI);
+  ConfirmInfoBarDelegate* infobar = CreateInfoBar(
+      PreviewsInfoBarDelegate::LOFI, true /* is_data_saver_user */);
 
   // Simulate dismissing the infobar.
   infobar->InfoBarDismissed();
   infobar_service()->infobar_at(0)->RemoveSelf();
   EXPECT_EQ(0U, infobar_service()->infobar_count());
 
   tester.ExpectBucketCount(kUMAPreviewsInfoBarActionLoFi,
                            PreviewsInfoBarDelegate::INFOBAR_DISMISSED_BY_USER,
                            1);
   EXPECT_EQ(0, drp_test_context_->pref_service()->GetInteger(
                    data_reduction_proxy::prefs::kLoFiLoadImagesPerSession));
   EXPECT_FALSE(user_opt_out_.value());
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, InfobarTestClickLink) {
   base::HistogramTester tester;
 
-  ConfirmInfoBarDelegate* infobar =
-      CreateInfoBar(PreviewsInfoBarDelegate::LOFI);
+  ConfirmInfoBarDelegate* infobar = CreateInfoBar(
+      PreviewsInfoBarDelegate::LOFI, true /* is_data_saver_user */);
 
   // Simulate clicking the infobar link.
   if (infobar->LinkClicked(WindowOpenDisposition::CURRENT_TAB))
     infobar_service()->infobar_at(0)->RemoveSelf();
   EXPECT_EQ(0U, infobar_service()->infobar_count());
 
   tester.ExpectBucketCount(
       kUMAPreviewsInfoBarActionLoFi,
       PreviewsInfoBarDelegate::INFOBAR_LOAD_ORIGINAL_CLICKED, 1);
   EXPECT_EQ(1, drp_test_context_->pref_service()->GetInteger(
                    data_reduction_proxy::prefs::kLoFiLoadImagesPerSession));
   EXPECT_TRUE(user_opt_out_.value());
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, InfobarTestShownOncePerNavigation) {
-  ConfirmInfoBarDelegate* infobar =
-      CreateInfoBar(PreviewsInfoBarDelegate::LOFI);
+  ConfirmInfoBarDelegate* infobar = CreateInfoBar(
+      PreviewsInfoBarDelegate::LOFI, true /* is_data_saver_user */);
 
   // Simulate dismissing the infobar.
   infobar->InfoBarDismissed();
   infobar_service()->infobar_at(0)->RemoveSelf();
   EXPECT_EQ(0U, infobar_service()->infobar_count());
 
   PreviewsInfoBarDelegate::Create(
       web_contents(), PreviewsInfoBarDelegate::LOFI,
+      true /* is_data_saver_user */,
       PreviewsInfoBarDelegate::OnDismissPreviewsInfobarCallback());
 
   // Infobar should not be shown again since a navigation hasn't happened.
   EXPECT_EQ(0U, infobar_service()->infobar_count());
 
   // Navigate and show infobar again.
   content::WebContentsTester::For(web_contents())
       ->NavigateAndCommit(GURL(kTestUrl));
-  CreateInfoBar(PreviewsInfoBarDelegate::LOFI);
+  CreateInfoBar(PreviewsInfoBarDelegate::LOFI, true /* is_data_saver_user */);
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, LoFiInfobarTest) {
   base::HistogramTester tester;
 
-  ConfirmInfoBarDelegate* infobar =
-      CreateInfoBar(PreviewsInfoBarDelegate::LOFI);
+  ConfirmInfoBarDelegate* infobar = CreateInfoBar(
+      PreviewsInfoBarDelegate::LOFI, true /* is_data_saver_user */);
 
   tester.ExpectUniqueSample(kUMAPreviewsInfoBarActionLoFi,
                             PreviewsInfoBarDelegate::INFOBAR_SHOWN, 1);
   EXPECT_EQ(1, drp_test_context_->pref_service()->GetInteger(
                    data_reduction_proxy::prefs::kLoFiUIShownPerSession));
 
   ASSERT_TRUE(infobar);
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_SAVED_DATA_TITLE),
             infobar->GetMessageText());
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_LINK),
             infobar->GetLinkText());
 #if defined(OS_ANDROID)
   ASSERT_EQ(IDR_ANDROID_INFOBAR_PREVIEWS, infobar->GetIconId());
 #else
   ASSERT_EQ(PreviewsInfoBarDelegate::kNoIconID, infobar->GetIconId());
 #endif
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, PreviewInfobarTest) {
   base::HistogramTester tester;
 
-  ConfirmInfoBarDelegate* infobar =
-      CreateInfoBar(PreviewsInfoBarDelegate::LITE_PAGE);
+  ConfirmInfoBarDelegate* infobar = CreateInfoBar(
+      PreviewsInfoBarDelegate::LITE_PAGE, true /* is_data_saver_user */);
 
   tester.ExpectUniqueSample(kUMAPreviewsInfoBarActionLitePage,
                             PreviewsInfoBarDelegate::INFOBAR_SHOWN, 1);
   EXPECT_EQ(1, drp_test_context_->pref_service()->GetInteger(
                    data_reduction_proxy::prefs::kLoFiUIShownPerSession));
 
   // Check the strings.
   ASSERT_TRUE(infobar);
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_SAVED_DATA_TITLE),
             infobar->GetMessageText());
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_LINK),
             infobar->GetLinkText());
 #if defined(OS_ANDROID)
   ASSERT_EQ(IDR_ANDROID_INFOBAR_PREVIEWS, infobar->GetIconId());
 #else
   ASSERT_EQ(PreviewsInfoBarDelegate::kNoIconID, infobar->GetIconId());
 #endif
 }
 
-TEST_F(PreviewsInfoBarDelegateUnitTest, OfflineInfobarTest) {
+TEST_F(PreviewsInfoBarDelegateUnitTest, OfflineInfobarNonDataSaverUserTest) {
   base::HistogramTester tester;
 
-  ConfirmInfoBarDelegate* infobar =
-      CreateInfoBar(PreviewsInfoBarDelegate::OFFLINE);
+  ConfirmInfoBarDelegate* infobar = CreateInfoBar(
+      PreviewsInfoBarDelegate::OFFLINE, false /* is_data_saver_user */);
 
   tester.ExpectUniqueSample(kUMAPreviewsInfoBarActionOffline,
                             PreviewsInfoBarDelegate::INFOBAR_SHOWN, 1);
   EXPECT_EQ(0, drp_test_context_->pref_service()->GetInteger(
                    data_reduction_proxy::prefs::kLoFiUIShownPerSession));
 
   // Check the strings.
   ASSERT_TRUE(infobar);
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_FASTER_PAGE_TITLE),
             infobar->GetMessageText());
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_LINK),
             infobar->GetLinkText());
 #if defined(OS_ANDROID)
   ASSERT_EQ(IDR_ANDROID_INFOBAR_PREVIEWS, infobar->GetIconId());
 #else
   ASSERT_EQ(PreviewsInfoBarDelegate::kNoIconID, infobar->GetIconId());
 #endif
 }
+
+TEST_F(PreviewsInfoBarDelegateUnitTest, OfflineInfobarDataSaverUserTest) {
+  base::HistogramTester tester;
+
+  ConfirmInfoBarDelegate* infobar = CreateInfoBar(
+      PreviewsInfoBarDelegate::OFFLINE, true /* is_data_saver_user */);
+
+  tester.ExpectUniqueSample(kUMAPreviewsInfoBarActionOffline,
+                            PreviewsInfoBarDelegate::INFOBAR_SHOWN, 1);
+  EXPECT_EQ(0, drp_test_context_->pref_service()->GetInteger(
+                   data_reduction_proxy::prefs::kLoFiUIShownPerSession));
+
+  // Check the strings.
+  ASSERT_TRUE(infobar);
+  ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_SAVED_DATA_TITLE),
+            infobar->GetMessageText());
+  ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_LINK),
+            infobar->GetLinkText());
+#if defined(OS_ANDROID)
+  ASSERT_EQ(IDR_ANDROID_INFOBAR_PREVIEWS, infobar->GetIconId());
+#else
+  ASSERT_EQ(PreviewsInfoBarDelegate::kNoIconID, infobar->GetIconId());
+#endif
+}