| // 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 "components/safe_search_api/url_checker.h" |
| |
| #include <stddef.h> |
| |
| #include <memory> |
| #include <string> |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "base/run_loop.h" |
| #include "base/stl_util.h" |
| #include "base/test/scoped_feature_list.h" |
| #include "base/test/scoped_task_environment.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "components/safe_search_api/stub_url_checker.h" |
| #include "net/base/net_errors.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "url/gurl.h" |
| |
| using testing::_; |
| |
| namespace safe_search_api { |
| |
| namespace { |
| |
| constexpr size_t kCacheSize = 2; |
| |
| const char* kURLs[] = { |
| "http://www.randomsite1.com", "http://www.randomsite2.com", |
| "http://www.randomsite3.com", "http://www.randomsite4.com", |
| "http://www.randomsite5.com", "http://www.randomsite6.com", |
| "http://www.randomsite7.com", "http://www.randomsite8.com", |
| "http://www.randomsite9.com", |
| }; |
| |
| } // namespace |
| |
| class SafeSearchURLCheckerTest : public testing::Test { |
| public: |
| SafeSearchURLCheckerTest() |
| : next_url_(0), checker_(stub_url_checker_.BuildURLChecker(kCacheSize)) {} |
| |
| MOCK_METHOD3(OnCheckDone, |
| void(const GURL& url, |
| Classification classification, |
| bool uncertain)); |
| |
| protected: |
| GURL GetNewURL() { |
| CHECK(next_url_ < base::size(kURLs)); |
| return GURL(kURLs[next_url_++]); |
| } |
| |
| // Returns true if the result was returned synchronously (cache hit). |
| bool CheckURL(const GURL& url) { |
| bool cached = checker_->CheckURL( |
| url, base::BindOnce(&SafeSearchURLCheckerTest::OnCheckDone, |
| base::Unretained(this))); |
| return cached; |
| } |
| |
| void WaitForResponse() { base::RunLoop().RunUntilIdle(); } |
| |
| bool SendValidResponse(const GURL& url, bool is_porn) { |
| stub_url_checker_.SetUpValidResponse(is_porn); |
| bool result = CheckURL(url); |
| WaitForResponse(); |
| return result; |
| } |
| |
| bool SendFailedResponse(const GURL& url) { |
| stub_url_checker_.SetUpFailedResponse(); |
| bool result = CheckURL(url); |
| WaitForResponse(); |
| return result; |
| } |
| |
| size_t next_url_; |
| base::test::ScopedTaskEnvironment task_environment_; |
| StubURLChecker stub_url_checker_; |
| std::unique_ptr<URLChecker> checker_; |
| }; |
| |
| TEST_F(SafeSearchURLCheckerTest, Simple) { |
| { |
| GURL url(GetNewURL()); |
| EXPECT_CALL(*this, OnCheckDone(url, Classification::SAFE, false)); |
| ASSERT_FALSE(SendValidResponse(url, false)); |
| } |
| { |
| GURL url(GetNewURL()); |
| EXPECT_CALL(*this, OnCheckDone(url, Classification::UNSAFE, false)); |
| ASSERT_FALSE(SendValidResponse(url, true)); |
| } |
| { |
| GURL url(GetNewURL()); |
| EXPECT_CALL(*this, OnCheckDone(url, Classification::SAFE, true)); |
| ASSERT_FALSE(SendFailedResponse(url)); |
| } |
| } |
| |
| TEST_F(SafeSearchURLCheckerTest, Cache) { |
| // One more URL than fit in the cache. |
| ASSERT_EQ(2u, kCacheSize); |
| GURL url1(GetNewURL()); |
| GURL url2(GetNewURL()); |
| GURL url3(GetNewURL()); |
| |
| // Populate the cache. |
| EXPECT_CALL(*this, OnCheckDone(url1, Classification::SAFE, false)); |
| ASSERT_FALSE(SendValidResponse(url1, false)); |
| EXPECT_CALL(*this, OnCheckDone(url2, Classification::SAFE, false)); |
| ASSERT_FALSE(SendValidResponse(url2, false)); |
| |
| // Now we should get results synchronously, without a network request. |
| stub_url_checker_.ClearResponses(); |
| EXPECT_CALL(*this, OnCheckDone(url2, Classification::SAFE, false)); |
| ASSERT_TRUE(CheckURL(url2)); |
| EXPECT_CALL(*this, OnCheckDone(url1, Classification::SAFE, false)); |
| ASSERT_TRUE(CheckURL(url1)); |
| |
| // Now |url2| is the LRU and should be evicted on the next check. |
| EXPECT_CALL(*this, OnCheckDone(url3, Classification::SAFE, false)); |
| ASSERT_FALSE(SendValidResponse(url3, false)); |
| |
| EXPECT_CALL(*this, OnCheckDone(url2, Classification::SAFE, false)); |
| ASSERT_FALSE(SendValidResponse(url2, false)); |
| } |
| |
| TEST_F(SafeSearchURLCheckerTest, CoalesceRequestsToSameURL) { |
| GURL url(GetNewURL()); |
| // Start two checks for the same URL. |
| stub_url_checker_.SetUpValidResponse(false); |
| ASSERT_FALSE(CheckURL(url)); |
| ASSERT_FALSE(CheckURL(url)); |
| // A single response should answer both of those checks |
| EXPECT_CALL(*this, OnCheckDone(url, Classification::SAFE, false)).Times(2); |
| WaitForResponse(); |
| } |
| |
| TEST_F(SafeSearchURLCheckerTest, CacheTimeout) { |
| GURL url(GetNewURL()); |
| |
| checker_->SetCacheTimeoutForTesting(base::TimeDelta::FromSeconds(0)); |
| |
| EXPECT_CALL(*this, OnCheckDone(url, Classification::SAFE, false)); |
| ASSERT_FALSE(SendValidResponse(url, false)); |
| |
| // Since the cache timeout is zero, the cache entry should be invalidated |
| // immediately. |
| EXPECT_CALL(*this, OnCheckDone(url, Classification::UNSAFE, false)); |
| ASSERT_FALSE(SendValidResponse(url, true)); |
| } |
| |
| TEST_F(SafeSearchURLCheckerTest, AllowAllGoogleURLs) { |
| base::test::ScopedFeatureList feature_list; |
| feature_list.InitAndEnableFeature(kAllowAllGoogleUrls); |
| { |
| GURL url("https://sites.google.com/porn"); |
| EXPECT_CALL(*this, OnCheckDone(url, Classification::SAFE, _)); |
| // No server interaction. |
| bool cache_hit = CheckURL(url); |
| ASSERT_TRUE(cache_hit); |
| } |
| { |
| GURL url("https://youtube.com/porn"); |
| EXPECT_CALL(*this, OnCheckDone(url, Classification::SAFE, _)); |
| // No server interaction |
| bool cache_hit = CheckURL(url); |
| ASSERT_TRUE(cache_hit); |
| } |
| } |
| |
| TEST_F(SafeSearchURLCheckerTest, NoAllowAllGoogleURLs) { |
| base::test::ScopedFeatureList feature_list; |
| feature_list.InitAndDisableFeature(kAllowAllGoogleUrls); |
| { |
| GURL url("https://sites.google.com/porn"); |
| EXPECT_CALL(*this, OnCheckDone(url, Classification::UNSAFE, _)); |
| stub_url_checker_.SetUpValidResponse(true); |
| bool cache_hit = CheckURL(url); |
| ASSERT_FALSE(cache_hit); |
| WaitForResponse(); |
| } |
| { |
| GURL url("https://youtube.com/porn"); |
| EXPECT_CALL(*this, OnCheckDone(url, Classification::UNSAFE, _)); |
| stub_url_checker_.SetUpValidResponse(true); |
| bool cache_hit = CheckURL(url); |
| ASSERT_FALSE(cache_hit); |
| WaitForResponse(); |
| } |
| } |
| |
| } // namespace safe_search_api |