Theme Preferences for Distilled Pages

chrome/browser/dom_distiller/dom_distiller_viewer_source_browsertest.cc

 // Copyright 2014 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 <string.h>
 
 #include "base/command_line.h"
 #include "base/guid.h"
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/dom_distiller/dom_distiller_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "components/dom_distiller/content/dom_distiller_viewer_source.h"
 #include "components/dom_distiller/core/article_entry.h"
+#include "components/dom_distiller/core/distilled_page_prefs.h"
 #include "components/dom_distiller/core/distiller.h"
 #include "components/dom_distiller/core/dom_distiller_service.h"
 #include "components/dom_distiller/core/dom_distiller_store.h"
 #include "components/dom_distiller/core/dom_distiller_test_util.h"
 #include "components/dom_distiller/core/fake_distiller.h"
 #include "components/dom_distiller/core/fake_distiller_page.h"
 #include "components/dom_distiller/core/task_tracker.h"
 #include "components/dom_distiller/core/url_constants.h"
 #include "components/dom_distiller/core/url_utils.h"
 #include "components/leveldb_proto/testing/fake_db.h"
@@ skipping 19 matching lines @@
 namespace {
 
 const char kGetLoadIndicatorClassName[] =
     "window.domAutomationController.send("
         "document.getElementById('loadingIndicator').className)";
 
 const char kGetContent[] =
     "window.domAutomationController.send("
         "document.getElementById('content').innerHTML)";
 
+const char kGetBodyClass[] =
+    "window.domAutomationController.send("
+        "document.body.className)";
+
 void AddEntry(const ArticleEntry& e, FakeDB<ArticleEntry>::EntryMap* map) {
   (*map)[e.entry_id()] = e;
 }
 
 ArticleEntry CreateEntry(std::string entry_id, std::string page_url) {
   ArticleEntry entry;
   entry.set_entry_id(entry_id);
   if (!page_url.empty()) {
     ArticleEntryPage* page = entry.add_pages();
     page->set_url(page_url);
@@ skipping 22 matching lines @@
     FakeDB<ArticleEntry>* fake_db = new FakeDB<ArticleEntry>(database_model_);
     distiller_factory_ = new MockDistillerFactory();
     MockDistillerPageFactory* distiller_page_factory_ =
         new MockDistillerPageFactory();
     DomDistillerContextKeyedService* service =
         new DomDistillerContextKeyedService(
             scoped_ptr<DomDistillerStoreInterface>(
                 CreateStoreWithFakeDB(fake_db,
                                       FakeDB<ArticleEntry>::EntryMap())),
             scoped_ptr<DistillerFactory>(distiller_factory_),
-            scoped_ptr<DistillerPageFactory>(distiller_page_factory_));
+            scoped_ptr<DistillerPageFactory>(distiller_page_factory_),
+            scoped_ptr<DistilledPagePrefs>(
+                new DistilledPagePrefs(
+                      Profile::FromBrowserContext(
+                          context)->GetPrefs())));
     fake_db->InitCallback(true);
     fake_db->LoadCallback(true);
     if (expect_distillation_) {
       // There will only be destillation of an article if the database contains
       // the article.
       FakeDistiller* distiller = new FakeDistiller(true);
       EXPECT_CALL(*distiller_factory_, CreateDistillerImpl())
           .WillOnce(testing::Return(distiller));
     }
     if (expect_distiller_page_) {
@@ skipping 201 matching lines @@
   std::string result;
   EXPECT_TRUE(content::ExecuteScriptAndExtractString(
       contents, kGetLoadIndicatorClassName, &result));
   EXPECT_EQ("hidden", result);
   EXPECT_TRUE(content::ExecuteScriptAndExtractString(
       contents, kGetContent , &result));
   EXPECT_THAT(result, HasSubstr("Page 1 content"));
   EXPECT_THAT(result, HasSubstr("Page 2 content"));
 }
 
+IN_PROC_BROWSER_TEST_F(DomDistillerViewerSourceBrowserTest, PrefChange) {
+  expect_distillation_ = true;
+  expect_distiller_page_ = true;
+  GURL view_url("http://www.example.com/1");
+  content::WebContents* contents =
+      browser()->tab_strip_model()->GetActiveWebContents();
+  const GURL url = url_utils::GetDistillerViewUrlFromUrl(
+      chrome::kDomDistillerScheme, view_url);
+  ViewSingleDistilledPage(url, "text/html");
+  content::WaitForLoadStop(contents);
+  std::string result;
+  EXPECT_TRUE(content::ExecuteScriptAndExtractString(
+      contents, kGetBodyClass, &result));
+  EXPECT_EQ("light", result);
+
+  // Getting DistilledPagePrefs instance.
+  DistilledPagePrefs* distilled_page_prefs =
+       DomDistillerServiceFactory::GetForBrowserContext(
+            browser()->profile())->GetDistilledPagePrefs();
+
+  distilled_page_prefs->SetTheme(DistilledPagePrefs::DARK);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_TRUE(content::ExecuteScriptAndExtractString(
+      contents, kGetBodyClass, &result));
+  EXPECT_EQ("dark", result);
+}
+
 }  // namespace dom_distiller