[Garbled Text][Infobar] Adding infobar to suggest turning on encoding detection.

chrome/browser/garbled_text_service_unittest.cc

+// Copyright (c) 2012 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/garbled_text_service.h"
+
+#include "base/message_loop.h"
+#include "chrome/browser/garbled_text_test_helper.h"
+#include "chrome/browser/prefs/pref_member.h"
+#include "chrome/browser/prefs/scoped_user_pref_update.h"
+#include "chrome/common/pref_names.h"
+#include "chrome/test/base/testing_profile.h"
+#include "content/test/test_browser_thread.h"
+#include "googleurl/src/gurl.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+void OnCompleted(bool* completed) {
+  *completed = true;
+}
+
+}  // anonymous namespace
+
+class GarbledTextServiceTest : public ::testing::Test {
+ public:
+  GarbledTextServiceTest()
+      : ui_thread_(content::BrowserThread::UI, &message_loop_),
+        io_thread_(content::BrowserThread::IO, &message_loop_) {}
+
+  typedef GarbledTextURLTracker::Blacklist Blacklist;
+
+  virtual void SetUp() OVERRIDE {
+    test_helper_.reset(new GarbledTextTestHelper(profile()));
+  }
+
+  virtual void TearDown() OVERRIDE {
+    message_loop_.RunAllPending();
+  }
+
+ protected:
+  Profile* profile() {
+    return &profile_;
+  }
+
+  GarbledTextService* service() {
+    return test_helper_->service();
+  }
+
+  GarbledTextURLTracker* tracker() {
+    return test_helper_->tracker();
+  }
+
+  const Blacklist& blacklist() {
+    return tracker()->blacklist_;
+  }
+
+  void UpdateBlacklist(const GarbledTextURLTracker::GarbledURLs& urls) {
+    bool completed = false;
+    content::BrowserThread::PostTask(
+        content::BrowserThread::UI,
+        FROM_HERE,
+        base::Bind(&GarbledTextService::UpdateBlacklist,
+                   service()->AsWeakPtr(), urls,
+                   base::Bind(&OnCompleted, &completed)));
+    message_loop_.RunAllPending();
+    EXPECT_TRUE(completed);
+  }
+
+  GarbledTextTestHelper* test_helper() {
+    return test_helper_.get();
+  }
+
+ private:
+  MessageLoop message_loop_;
+  content::TestBrowserThread ui_thread_;
+  content::TestBrowserThread io_thread_;
+
+  TestingProfile profile_;
+  scoped_ptr<GarbledTextTestHelper> test_helper_;
+
+  DISALLOW_COPY_AND_ASSIGN(GarbledTextServiceTest);
+};
+
+TEST_F(GarbledTextServiceTest, LoadAndUpdateTest) {
+  const std::string kHost1("foo.example.com");
+  const std::string kHost2("bar.example.com");
+
+  {
+    PrefService* prefs = profile()->GetPrefs();
+    EXPECT_TRUE(prefs);
+    GarbledTextServiceFactory::GetInstance()->RegisterUserPrefs(prefs);
+    ListPrefUpdate update(prefs, GarbledTextService::kPrefGarbledTextBlacklist);
+    ListValue* blacklist = update.Get();
+    EXPECT_TRUE(blacklist);
+
+    blacklist->Append(base::Value::CreateStringValue("foo.example.com"));
+  }
+
+  test_helper()->Initialize();
+
+  EXPECT_EQ(1u, blacklist().size());
+  EXPECT_TRUE(blacklist().find(kHost1) != blacklist().end());
+
+  GURL kGarbledURLs[] = {
+    GURL("http://foo.example.com/"),
+    GURL("http://bar.example.com/"),
+  };
+  GarbledTextURLTracker::GarbledURLs urls(
+      kGarbledURLs, kGarbledURLs + arraysize(kGarbledURLs));
+
+  test_helper()->enabled()->SetValue(false);
+  UpdateBlacklist(urls);
+  EXPECT_EQ(1u, blacklist().size());
+  EXPECT_TRUE(blacklist().find(kHost1) != blacklist().end());
+
+  test_helper()->enabled()->SetValue(true);
+  UpdateBlacklist(urls);
+  EXPECT_EQ(2u, blacklist().size());
+  EXPECT_TRUE(blacklist().find(kHost1) != blacklist().end());
+  EXPECT_TRUE(blacklist().find(kHost2) != blacklist().end());
+
+  PrefService* prefs = profile()->GetPrefs();
+  EXPECT_TRUE(prefs);
+  const ListValue* pref_blacklist = prefs->GetList(
+      GarbledTextService::kPrefGarbledTextBlacklist);
+  EXPECT_TRUE(pref_blacklist);
+  EXPECT_EQ(2u, pref_blacklist->GetSize());
+
+  std::string entry;
+  EXPECT_TRUE(pref_blacklist->GetString(0, &entry));
+  EXPECT_EQ("foo.example.com", entry);
+
+  entry.clear();
+  EXPECT_TRUE(pref_blacklist->GetString(1, &entry));
+  EXPECT_EQ("bar.example.com", entry);
+}