Move core pieces of geolocation from chrome to content....

chrome/browser/geolocation/location_arbitrator_unittest.cc

-// Copyright (c) 2010 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/geolocation/location_arbitrator.h"
-
-#include "base/scoped_ptr.h"
-#include "chrome/browser/geolocation/arbitrator_dependency_factory.h"
-#include "chrome/browser/geolocation/fake_access_token_store.h"
-#include "chrome/browser/geolocation/geolocation_observer.h"
-#include "chrome/browser/geolocation/location_provider.h"
-#include "chrome/browser/geolocation/mock_location_provider.h"
-#include "chrome/common/geoposition.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-class MockLocationObserver : public GeolocationObserver {
- public:
-  void InvalidateLastPosition() {
-    last_position_.latitude = 100;
-    last_position_.error_code = Geoposition::ERROR_CODE_NONE;
-    ASSERT_FALSE(last_position_.IsInitialized());
-  }
-  // Delegate
-  virtual void OnLocationUpdate(const Geoposition& position) {
-    last_position_ = position;
-  }
-
-  Geoposition last_position_;
-};
-
-double g_fake_time_now_secs = 1;
-
-base::Time GetTimeNowForTest() {
-  return base::Time::FromDoubleT(g_fake_time_now_secs);
-}
-
-void AdvanceTimeNow(const base::TimeDelta& delta) {
-  g_fake_time_now_secs += delta.InSecondsF();
-}
-
-void SetPositionFix(MockLocationProvider* provider,
-                    double latitude,
-                    double longitude,
-                    double accuracy) {
-  Geoposition position;
-  position.error_code = Geoposition::ERROR_CODE_NONE;
-  position.latitude = latitude;
-  position.longitude = longitude;
-  position.accuracy = accuracy;
-  position.timestamp = GetTimeNowForTest();
-  ASSERT_TRUE(position.IsInitialized());
-  ASSERT_TRUE(position.IsValidFix());
-  provider->HandlePositionChanged(position);
-}
-
-void SetReferencePosition(MockLocationProvider* provider) {
-  SetPositionFix(provider, 51.0, -0.1, 400);
-}
-
-class MockDependencyFactory : public GeolocationArbitratorDependencyFactory {
- public:
-  explicit MockDependencyFactory(AccessTokenStore* access_token_store)
-      : cell_(NULL),
-        gps_(NULL),
-        access_token_store_(access_token_store) {
-  }
-  virtual GeolocationArbitrator::GetTimeNow GetTimeFunction() {
-    return GetTimeNowForTest;
-  }
-  virtual URLRequestContextGetter* GetContextGetter() {
-    return NULL;
-  }
-  virtual AccessTokenStore* NewAccessTokenStore() {
-    return access_token_store_.get();
-  }
-  virtual LocationProviderBase* NewNetworkLocationProvider(
-      AccessTokenStore* access_token_store,
-      URLRequestContextGetter* context,
-      const GURL& url,
-      const string16& access_token) {
-    return new MockLocationProvider(&cell_);
-  }
-  virtual LocationProviderBase* NewSystemLocationProvider() {
-    return new MockLocationProvider(&gps_);
-  }
-
-  // Two location providers, with nice short names to make the tests more
-  // readable. Note |gps_| will only be set when there is a high accuracy
-  // observer registered (and |cell_| when there's at least one observer of any
-  // type).
-  MockLocationProvider* cell_;
-  MockLocationProvider* gps_;
-
-  scoped_refptr<AccessTokenStore> access_token_store_;
-};
-
-class GeolocationLocationArbitratorTest : public testing::Test {
- protected:
-  // testing::Test
-  virtual void SetUp() {
-    access_token_store_ = new FakeAccessTokenStore;
-    observer_.reset(new MockLocationObserver);
-    dependency_factory_ = new MockDependencyFactory(access_token_store_);
-    GeolocationArbitrator::SetDependencyFactoryForTest(
-        dependency_factory_.get());
-    arbitrator_.reset(GeolocationArbitrator::Create(observer_.get()));
-  }
-
-  // testing::Test
-  virtual void TearDown() {
-    GeolocationArbitrator::SetDependencyFactoryForTest(NULL);
-    dependency_factory_ = NULL;
-  }
-
-  void CheckLastPositionInfo(double latitude,
-                             double longitude,
-                             double accuracy) {
-    Geoposition geoposition = observer_->last_position_;
-    EXPECT_TRUE(geoposition.IsValidFix());
-    EXPECT_DOUBLE_EQ(latitude, geoposition.latitude);
-    EXPECT_DOUBLE_EQ(longitude, geoposition.longitude);
-    EXPECT_DOUBLE_EQ(accuracy, geoposition.accuracy);
-  }
-
-  base::TimeDelta SwitchOnFreshnessCliff() {
-    // Add 1, to ensure it meets any greater-than test.
-    return base::TimeDelta::FromMilliseconds(
-        GeolocationArbitrator::kFixStaleTimeoutMilliseconds + 1);
-  }
-
-  MockLocationProvider* cell() {
-    return dependency_factory_->cell_;
-  }
-
-  MockLocationProvider* gps() {
-    return dependency_factory_->gps_;
-  }
-
-  scoped_refptr<FakeAccessTokenStore> access_token_store_;
-  scoped_refptr<MockDependencyFactory> dependency_factory_;
-  scoped_ptr<MockLocationObserver> observer_;
-  scoped_ptr<GeolocationArbitrator> arbitrator_;
-  MessageLoop loop_;
-};
-
-TEST_F(GeolocationLocationArbitratorTest, CreateDestroy) {
-  EXPECT_TRUE(access_token_store_);
-  EXPECT_TRUE(arbitrator_ != NULL);
-  arbitrator_.reset();
-  SUCCEED();
-}
-
-TEST_F(GeolocationLocationArbitratorTest, OnPermissionGranted) {
-  EXPECT_FALSE(arbitrator_->HasPermissionBeenGranted());
-  arbitrator_->OnPermissionGranted(GURL("http://frame.test"));
-  EXPECT_TRUE(arbitrator_->HasPermissionBeenGranted());
-  // Can't check the provider has been notified without going through the
-  // motions to create the provider (see next test).
-  EXPECT_FALSE(cell());
-  EXPECT_FALSE(gps());
-}
-
-TEST_F(GeolocationLocationArbitratorTest, NormalUsage) {
-  ASSERT_TRUE(access_token_store_);
-  ASSERT_TRUE(arbitrator_ != NULL);
-
-  EXPECT_TRUE(access_token_store_->access_token_set_.empty());
-  EXPECT_TRUE(access_token_store_->request_);
-  EXPECT_TRUE(access_token_store_->access_token_set_.empty());
-  ASSERT_TRUE(access_token_store_->request_);
-
-  EXPECT_FALSE(cell());
-  EXPECT_FALSE(gps());
-  access_token_store_->NotifyDelegateTokensLoaded();
-  ASSERT_TRUE(cell());
-  EXPECT_TRUE(gps());
-  EXPECT_TRUE(cell()->has_listeners());
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, cell()->state_);
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, gps()->state_);
-  EXPECT_FALSE(observer_->last_position_.IsInitialized());
-
-  SetReferencePosition(cell());
-
-  EXPECT_TRUE(observer_->last_position_.IsInitialized());
-  EXPECT_EQ(cell()->position_.latitude,
-            observer_->last_position_.latitude);
-
-  EXPECT_FALSE(
-      cell()->permission_granted_url_.is_valid());
-  EXPECT_FALSE(arbitrator_->HasPermissionBeenGranted());
-  GURL frame_url("http://frame.test");
-  arbitrator_->OnPermissionGranted(frame_url);
-  EXPECT_TRUE(arbitrator_->HasPermissionBeenGranted());
-  EXPECT_TRUE(
-      cell()->permission_granted_url_.is_valid());
-  EXPECT_EQ(frame_url,
-            cell()->permission_granted_url_);
-}
-
-TEST_F(GeolocationLocationArbitratorTest, SetObserverOptions) {
-  access_token_store_->NotifyDelegateTokensLoaded();
-  ASSERT_TRUE(cell());
-  ASSERT_TRUE(gps());
-  arbitrator_->StartProviders(GeolocationObserverOptions(true));
-  EXPECT_EQ(MockLocationProvider::HIGH_ACCURACY, cell()->state_);
-  EXPECT_EQ(MockLocationProvider::HIGH_ACCURACY, gps()->state_);
-  arbitrator_->StartProviders(GeolocationObserverOptions(false));
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, cell()->state_);
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, gps()->state_);
-}
-
-TEST_F(GeolocationLocationArbitratorTest, StartProvidersAfterFixArrives) {
-  access_token_store_->NotifyDelegateTokensLoaded();
-  ASSERT_TRUE(cell());
-  ASSERT_TRUE(gps());
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, cell()->state_);
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, gps()->state_);
-  SetReferencePosition(cell());
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, cell()->state_);
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, gps()->state_);
-  arbitrator_->StartProviders(GeolocationObserverOptions(true));
-  EXPECT_EQ(MockLocationProvider::HIGH_ACCURACY, cell()->state_);
-  EXPECT_EQ(MockLocationProvider::HIGH_ACCURACY, gps()->state_);
-}
-
-TEST_F(GeolocationLocationArbitratorTest, Arbitration) {
-  access_token_store_->NotifyDelegateTokensLoaded();
-  ASSERT_TRUE(cell());
-  ASSERT_TRUE(gps());
-
-  SetPositionFix(cell(), 1, 2, 150);
-
-  // First position available
-  EXPECT_TRUE(observer_->last_position_.IsValidFix());
-  CheckLastPositionInfo(1, 2, 150);
-
-  SetPositionFix(gps(), 3, 4, 50);
-
-  // More accurate fix available
-  CheckLastPositionInfo(3, 4, 50);
-
-  SetPositionFix(cell(), 5, 6, 150);
-
-  // New fix is available but it's less accurate, older fix should be kept.
-  CheckLastPositionInfo(3, 4, 50);
-
-  // Advance time, and notify once again
-  AdvanceTimeNow(SwitchOnFreshnessCliff());
-  cell()->HandlePositionChanged(cell()->position_);
-
-  // New fix is available, less accurate but fresher
-  CheckLastPositionInfo(5, 6, 150);
-
-  // Advance time, and set a low accuracy position
-  AdvanceTimeNow(SwitchOnFreshnessCliff());
-  SetPositionFix(cell(), 5.676731, 139.629385, 1000);
-  CheckLastPositionInfo(5.676731, 139.629385, 1000);
-
-  // 15 secs later, step outside. Switches to gps signal.
-  AdvanceTimeNow(base::TimeDelta::FromSeconds(15));
-  SetPositionFix(gps(), 3.5676457, 139.629198, 50);
-  CheckLastPositionInfo(3.5676457, 139.629198, 50);
-
-  // 5 mins later switch cells while walking. Stay on gps.
-  AdvanceTimeNow(base::TimeDelta::FromMinutes(5));
-  SetPositionFix(cell(), 3.567832, 139.634648, 300);
-  SetPositionFix(gps(), 3.5677675, 139.632314, 50);
-  CheckLastPositionInfo(3.5677675, 139.632314, 50);
-
-  // Ride train and gps signal degrades slightly. Stay on fresher gps
-  AdvanceTimeNow(base::TimeDelta::FromMinutes(5));
-  SetPositionFix(gps(), 3.5679026, 139.634777, 300);
-  CheckLastPositionInfo(3.5679026, 139.634777, 300);
-
-  // 14 minutes later
-  AdvanceTimeNow(base::TimeDelta::FromMinutes(14));
-
-  // GPS reading misses a beat, but don't switch to cell yet to avoid
-  // oscillating.
-  SetPositionFix(gps(), 3.5659005, 139.682579, 300);
-
-  AdvanceTimeNow(base::TimeDelta::FromSeconds(7));
-  SetPositionFix(cell(), 3.5689579, 139.691420, 1000);
-  CheckLastPositionInfo(3.5659005, 139.682579, 300);
-
-  // 1 minute later
-  AdvanceTimeNow(base::TimeDelta::FromMinutes(1));
-
-  // Enter tunnel. Stay on fresher gps for a moment.
-  SetPositionFix(cell(), 3.5657078, 139.68922, 300);
-  SetPositionFix(gps(), 3.5657104, 139.690341, 300);
-  CheckLastPositionInfo(3.5657104, 139.690341, 300);
-
-  // 2 minutes later
-  AdvanceTimeNow(base::TimeDelta::FromMinutes(2));
-  // Arrive in station. Cell moves but GPS is stale. Switch to fresher cell.
-  SetPositionFix(cell(), 3.5658700, 139.069979, 1000);
-  CheckLastPositionInfo(3.5658700, 139.069979, 1000);
-}
-
-}  // namespace