[Suggestions] Moving suggestions code to a new component

components/suggestions/blacklist_store_unittest.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 "chrome/browser/search/suggestions/blacklist_store.h"
+#include "components/suggestions/blacklist_store.h"
 
 #include <set>
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram_samples.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/test/statistics_delta_reader.h"
-#include "chrome/browser/search/suggestions/proto/suggestions.pb.h"
 #include "components/pref_registry/testing_pref_service_syncable.h"
+#include "components/suggestions/proto/suggestions.pb.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using user_prefs::TestingPrefServiceSyncable;
 
 namespace suggestions {
 
 namespace {
 
 const char kTestUrlA[] = "http://aaa.com/";
@@ skipping 19 matching lines @@
     EXPECT_EQ(expected.suggestions(i).title(), actual.suggestions(i).title());
     EXPECT_EQ(expected.suggestions(i).favicon_url(),
               actual.suggestions(i).favicon_url());
     EXPECT_EQ(expected.suggestions(i).thumbnail(),
               actual.suggestions(i).thumbnail());
   }
 }
 
 }  // namespace
 
-TEST(BlacklistStoreTest, BasicInteractions) {
-  TestingPrefServiceSyncable prefs;
-  BlacklistStore::RegisterProfilePrefs(prefs.registry());
-  BlacklistStore blacklist_store(&prefs);
+class BlacklistStoreTest : public testing::Test {
+ public:
+  BlacklistStoreTest()
+    : pref_service_(new user_prefs::TestingPrefServiceSyncable) {}
+
+  virtual void SetUp() OVERRIDE {
+    BlacklistStore::RegisterProfilePrefs(pref_service()->registry());
+  }
+
+  user_prefs::TestingPrefServiceSyncable* pref_service() {
+    return pref_service_.get();
+  }
+
+ private:
+  scoped_ptr<user_prefs::TestingPrefServiceSyncable> pref_service_;
+
+  DISALLOW_COPY_AND_ASSIGN(BlacklistStoreTest);
+};
+
+TEST_F(BlacklistStoreTest, BasicInteractions) {
+  BlacklistStore blacklist_store(pref_service());
 
   // Create suggestions with A, B and C. C and D will be added to the blacklist.
   std::set<std::string> suggested_urls;
   suggested_urls.insert(kTestUrlA);
   suggested_urls.insert(kTestUrlB);
   const SuggestionsProfile suggestions_filtered =
       CreateSuggestions(suggested_urls);
   suggested_urls.insert(kTestUrlC);
   const SuggestionsProfile original_suggestions =
       CreateSuggestions(suggested_urls);
@@ skipping 11 matching lines @@
   blacklist_store.FilterSuggestions(&suggestions);
   ValidateSuggestions(suggestions_filtered, suggestions);
 
   // Remove C from the blacklist and filter.
   suggestions.CopyFrom(original_suggestions);
   EXPECT_TRUE(blacklist_store.RemoveUrl(GURL(kTestUrlC)));
   blacklist_store.FilterSuggestions(&suggestions);
   ValidateSuggestions(original_suggestions, suggestions);
 }
 
-TEST(BlacklistStoreTest, BlacklistTwiceSuceeds) {
-  TestingPrefServiceSyncable prefs;
-  BlacklistStore::RegisterProfilePrefs(prefs.registry());
-  BlacklistStore blacklist_store(&prefs);
+TEST_F(BlacklistStoreTest, BlacklistTwiceSuceeds) {
+  BlacklistStore blacklist_store(pref_service());
   EXPECT_TRUE(blacklist_store.BlacklistUrl(GURL(kTestUrlA)));
   EXPECT_TRUE(blacklist_store.BlacklistUrl(GURL(kTestUrlA)));
 }
 
-TEST(BlacklistStoreTest, RemoveUnknownUrlSucceeds) {
-  TestingPrefServiceSyncable prefs;
-  BlacklistStore::RegisterProfilePrefs(prefs.registry());
-  BlacklistStore blacklist_store(&prefs);
+TEST_F(BlacklistStoreTest, RemoveUnknownUrlSucceeds) {
+  BlacklistStore blacklist_store(pref_service());
   EXPECT_TRUE(blacklist_store.RemoveUrl(GURL(kTestUrlA)));
 }
 
-TEST(BlacklistStoreTest, GetFirstUrlFromBlacklist) {
-  TestingPrefServiceSyncable prefs;
-  BlacklistStore::RegisterProfilePrefs(prefs.registry());
-  BlacklistStore blacklist_store(&prefs);
+TEST_F(BlacklistStoreTest, GetFirstUrlFromBlacklist) {
+  BlacklistStore blacklist_store(pref_service());
 
   // Expect GetFirstUrlFromBlacklist fails when blacklist empty.
   GURL retrieved;
   EXPECT_FALSE(blacklist_store.GetFirstUrlFromBlacklist(&retrieved));
 
   // Blacklist A and B.
   EXPECT_TRUE(blacklist_store.BlacklistUrl(GURL(kTestUrlA)));
   EXPECT_TRUE(blacklist_store.BlacklistUrl(GURL(kTestUrlB)));
 
   // Expect to retrieve A or B.
   EXPECT_TRUE(blacklist_store.GetFirstUrlFromBlacklist(&retrieved));
   std::string retrieved_string = retrieved.spec();
   EXPECT_TRUE(retrieved_string == std::string(kTestUrlA) ||
               retrieved_string == std::string(kTestUrlB));
 }
 
-TEST(BlacklistStoreLogTest, LogsBlacklistSize) {
+TEST_F(BlacklistStoreTest, LogsBlacklistSize) {
+  base::StatisticsDeltaReader statistics_delta_reader;
   content::TestBrowserThreadBundle bundle;
-  base::StatisticsDeltaReader statistics_delta_reader;
 
   // Create a first store - blacklist is empty at this point.
-  TestingPrefServiceSyncable prefs;
-  BlacklistStore::RegisterProfilePrefs(prefs.registry());
-  scoped_ptr<BlacklistStore> blacklist_store(new BlacklistStore(&prefs));
+  scoped_ptr<BlacklistStore> blacklist_store(
+      new BlacklistStore(pref_service()));
   scoped_ptr<base::HistogramSamples> samples(
       statistics_delta_reader.GetHistogramSamplesSinceCreation(
           "Suggestions.LocalBlacklistSize"));
   EXPECT_EQ(1, samples->TotalCount());
   EXPECT_EQ(1, samples->GetCount(0));
 
   // Add some content to the blacklist.
   EXPECT_TRUE(blacklist_store->BlacklistUrl(GURL(kTestUrlA)));
   EXPECT_TRUE(blacklist_store->BlacklistUrl(GURL(kTestUrlB)));
 
   // Create a new BlacklistStore and verify the counts.
-  blacklist_store.reset(new BlacklistStore(&prefs));
+  blacklist_store.reset(new BlacklistStore(pref_service()));
   samples = statistics_delta_reader.GetHistogramSamplesSinceCreation(
       "Suggestions.LocalBlacklistSize");
   EXPECT_EQ(2, samples->TotalCount());
   EXPECT_EQ(1, samples->GetCount(0));
   EXPECT_EQ(1, samples->GetCount(2));
 }
 
 }  // namespace suggestions