Add Origin Power Map to Store Battery Auditing Data.

chrome/browser/power/origin_power_map_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 "base/prefs/scoped_user_pref_update.h"
+#include "chrome/browser/power/origin_power_map.h"

[sky, 2014/08/06 23:59:23]

nit: this should be your first include with a newline (just as you have in
origin_power_map.cc).

[Daniel Nishi, 2014/08/07 21:15:08]

Done.

+#include "chrome/common/pref_names.h"
+#include "chrome/test/base/testing_profile.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class OriginPowerMapTest : public testing::Test {
+ public:
+  OriginPowerMapTest() {};
+  virtual ~OriginPowerMapTest() {};
+
+  virtual void SetUp() OVERRIDE {
+    profile_.reset(new TestingProfile);
+    origin_power_map_.reset(new OriginPowerMap(profile_->GetPrefs()));
+  }
+
+ protected:
+  void ReloadProfile() {
+    origin_power_map_.reset(new OriginPowerMap(profile_->GetPrefs()));
+  }
+
+  scoped_ptr<TestingProfile> profile_;
+  scoped_ptr<OriginPowerMap> origin_power_map_;
+};
+
+TEST_F(OriginPowerMapTest, StartEmpty) {
+  EXPECT_EQ(size_t(0), origin_power_map_->GetScaledOriginMap()->size());
+}
+
+TEST_F(OriginPowerMapTest, AddOneOriginNotInMap) {
+  GURL url("http://www.google.com");
+  EXPECT_EQ(-1, origin_power_map_->GetPowerForOrigin(url));
+  origin_power_map_->AddPowerForOrigin(url, 10);
+  EXPECT_EQ(size_t(1), origin_power_map_->GetScaledOriginMap()->size());
+  EXPECT_EQ(100, origin_power_map_->GetPowerForOrigin(url));
+}
+
+TEST_F(OriginPowerMapTest, AddMultiplesOrigins) {
+  GURL url1("http://www.google.com");
+  EXPECT_EQ(-1, origin_power_map_->GetPowerForOrigin(url1));
+  origin_power_map_->AddPowerForOrigin(url1, 10);
+  EXPECT_EQ(size_t(1), origin_power_map_->GetScaledOriginMap()->size());
+  EXPECT_EQ(100, origin_power_map_->GetPowerForOrigin(url1));
+
+  GURL url2("http://www.example.com");
+  origin_power_map_->AddPowerForOrigin(url2, 30);
+  EXPECT_EQ(25, origin_power_map_->GetPowerForOrigin(url1));
+  EXPECT_EQ(75, origin_power_map_->GetPowerForOrigin(url2));
+  origin_power_map_->AddPowerForOrigin(url2, 10);
+  EXPECT_EQ(20, origin_power_map_->GetPowerForOrigin(url1));
+  EXPECT_EQ(80, origin_power_map_->GetPowerForOrigin(url2));
+
+  GURL url3("https://www.google.com");
+  origin_power_map_->AddPowerForOrigin(url3, 50);
+  EXPECT_EQ(10, origin_power_map_->GetPowerForOrigin(url1));
+  EXPECT_EQ(40, origin_power_map_->GetPowerForOrigin(url2));
+  EXPECT_EQ(50, origin_power_map_->GetPowerForOrigin(url3));
+}
+
+TEST_F(OriginPowerMapTest, LoadExistingPowerInformationOnConstruction) {
+  DictionaryPrefUpdate update(profile_->GetPrefs(), prefs::kBatteryOriginMap);
+  base::DictionaryValue* origin_entries = update.Get();
+
+  GURL url1("http://www.google.com");
+  GURL url2("http://www.example.com");
+  origin_entries->SetDoubleWithoutPathExpansion(url1.spec(), 10.0);
+  origin_entries->SetDoubleWithoutPathExpansion(url2.spec(), 40.0);
+
+  ReloadProfile();
+  EXPECT_EQ(size_t(2), origin_power_map_->GetScaledOriginMap()->size());
+  EXPECT_EQ(20, origin_power_map_->GetPowerForOrigin(url1));
+  EXPECT_EQ(80, origin_power_map_->GetPowerForOrigin(url2));
+}
+
+TEST_F(OriginPowerMapTest, SaveAndLoadExistingPowerInformation) {
+  GURL url1("http://www.google.com");
+  GURL url2("http://www.example.com");
+  origin_power_map_->AddPowerForOrigin(url1, 10);
+  origin_power_map_->AddPowerForOrigin(url2, 40);
+  origin_power_map_->SavePrefs();
+
+  ReloadProfile();
+  EXPECT_EQ(size_t(2), origin_power_map_->GetScaledOriginMap()->size());
+  EXPECT_EQ(20, origin_power_map_->GetPowerForOrigin(url1));
+  EXPECT_EQ(80, origin_power_map_->GetPowerForOrigin(url2));
+}
+
+TEST_F(OriginPowerMapTest, ScaledOriginMap) {
+  GURL url1("http://www.google.com");
+  GURL url2("http://www.example.com");
+  origin_power_map_->AddPowerForOrigin(url1, 10);
+  origin_power_map_->AddPowerForOrigin(url2, 40);
+  scoped_ptr<OriginPowerMap::ScaledOriginMap> origin_map =
+      origin_power_map_->GetScaledOriginMap();
+  EXPECT_EQ(20, (*origin_map)[url1]);
+  EXPECT_EQ(80, (*origin_map)[url2]);
+}