src/chrome/renderer/safe_browsing/phishing_classifier_delegate_browsertest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/renderer/safe_browsing/phishing_classifier_delegate.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/run_loop.h"
  10 #include "base/strings/string_number_conversions.h"
  11 #include "base/strings/utf_string_conversions.h"
  12 #include "chrome/browser/ui/browser.h"
  13 #include "chrome/browser/ui/browser_commands.h"
  14 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  15 #include "chrome/common/chrome_switches.h"
  16 #include "chrome/common/safe_browsing/csd.pb.h"
  17 #include "chrome/common/safe_browsing/safebrowsing_messages.h"
  18 #include "chrome/renderer/safe_browsing/features.h"
  19 #include "chrome/renderer/safe_browsing/phishing_classifier.h"
  20 #include "chrome/renderer/safe_browsing/scorer.h"
  21 #include "chrome/test/base/in_process_browser_test.h"
  22 #include "chrome/test/base/ui_test_utils.h"
  23 #include "content/public/browser/browser_message_filter.h"
  24 #include "content/public/browser/browser_thread.h"
  25 #include "content/public/browser/render_process_host.h"
  26 #include "content/public/browser/web_contents.h"
  27 #include "content/public/renderer/render_view.h"
  28 #include "content/public/test/browser_test_utils.h"
  29 #include "content/public/test/test_navigation_observer.h"
  30 #include "content/public/test/test_utils.h"
  31 #include "net/dns/mock_host_resolver.h"
  32 #include "net/test/embedded_test_server/embedded_test_server.h"
  33 #include "net/test/embedded_test_server/http_request.h"
  34 #include "net/test/embedded_test_server/http_response.h"
  35 #include "testing/gmock/include/gmock/gmock.h"
  36 #include "third_party/WebKit/public/platform/WebURL.h"
  37 #include "third_party/WebKit/public/platform/WebURLRequest.h"
  38 #include "third_party/WebKit/public/web/WebFrame.h"
  39 #include "third_party/WebKit/public/web/WebView.h"
  40 #include "url/gurl.h"
  41
  42 using base::ASCIIToUTF16;
  43 using ::testing::_;
  44 using ::testing::InSequence;
  45 using ::testing::Mock;
  46 using ::testing::Pointee;
  47 using ::testing::StrictMock;
  48
  49 namespace safe_browsing {
  50
  51 namespace {
  52
  53 // The RenderFrame is routing ID 1, and the RenderView is 2.
  54 const int kRenderViewRoutingId = 2;
  55
  56 class MockPhishingClassifier : public PhishingClassifier {
  57  public:
  58   explicit MockPhishingClassifier(content::RenderView* render_view)
  59       : PhishingClassifier(render_view, NULL /* clock */) {}
  60
  61   virtual ~MockPhishingClassifier() {}
  62
  63   MOCK_METHOD2(BeginClassification,
  64                void(const base::string16*, const DoneCallback&));
  65   MOCK_METHOD0(CancelPendingClassification, void());
  66
  67  private:
  68   DISALLOW_COPY_AND_ASSIGN(MockPhishingClassifier);
  69 };
  70
  71 class MockScorer : public Scorer {
  72  public:
  73   MockScorer() : Scorer() {}
  74   virtual ~MockScorer() {}
  75
  76   MOCK_CONST_METHOD1(ComputeScore, double(const FeatureMap&));
  77
  78  private:
  79   DISALLOW_COPY_AND_ASSIGN(MockScorer);
  80 };
  81
  82 class InterceptingMessageFilter : public content::BrowserMessageFilter {
  83  public:
  84   InterceptingMessageFilter()
  85       : BrowserMessageFilter(SafeBrowsingMsgStart),
  86         waiting_message_loop_(NULL) {
  87   }
  88
  89   const ClientPhishingRequest* verdict() const { return verdict_.get(); }
  90   bool OnMessageReceived(const IPC::Message& message) override {
  91     bool handled = true;
  92     IPC_BEGIN_MESSAGE_MAP(InterceptingMessageFilter, message)
  93         IPC_MESSAGE_HANDLER(SafeBrowsingHostMsg_PhishingDetectionDone,
  94                             OnPhishingDetectionDone)
  95         IPC_MESSAGE_UNHANDLED(handled = false);
  96     IPC_END_MESSAGE_MAP()
  97     return handled;
  98   }
  99
 100   void Reset() {
 101     run_loop_.reset(new base::RunLoop());
 102     waiting_message_loop_ = base::MessageLoop::current();
 103     quit_closure_ = run_loop_->QuitClosure();
 104   }
 105
 106   void RunUntilVerdictReceived() {
 107     content::RunThisRunLoop(run_loop_.get());
 108
 109     // Clear out the synchronization state just in case.
 110     waiting_message_loop_ = NULL;
 111     quit_closure_.Reset();
 112     run_loop_.reset();
 113   }
 114
 115   void OnPhishingDetectionDone(const std::string& verdict_str) {
 116     scoped_ptr<ClientPhishingRequest> verdict(new ClientPhishingRequest);
 117     if (verdict->ParseFromString(verdict_str) &&
 118         verdict->IsInitialized()) {
 119       verdict_.swap(verdict);
 120     }
 121     waiting_message_loop_->PostTask(FROM_HERE, quit_closure_);
 122   }
 123
 124  private:
 125   ~InterceptingMessageFilter() override {}
 126
 127   scoped_ptr<ClientPhishingRequest> verdict_;
 128   base::MessageLoop* waiting_message_loop_;
 129   base::Closure quit_closure_;
 130   scoped_ptr<base::RunLoop> run_loop_;
 131 };
 132 }  // namespace
 133
 134 class PhishingClassifierDelegateTest : public InProcessBrowserTest {
 135  public:
 136   void CancelCalled() {
 137     if (runner_.get()) {
 138       content::BrowserThread::PostTask(
 139           content::BrowserThread::UI, FROM_HERE, runner_->QuitClosure());
 140     }
 141   }
 142
 143  protected:
 144   void SetUpCommandLine(CommandLine* command_line) override {
 145     command_line->AppendSwitch(switches::kSingleProcess);
 146 #if defined(OS_WIN)
 147     // Don't want to try to create a GPU process.
 148     command_line->AppendSwitch(switches::kDisableGpu);
 149 #endif
 150   }
 151
 152   void SetUpOnMainThread() override {
 153     intercepting_filter_ = new InterceptingMessageFilter();
 154     content::RenderView* render_view =
 155         content::RenderView::FromRoutingID(kRenderViewRoutingId);
 156
 157     GetWebContents()->GetRenderProcessHost()->AddFilter(
 158         intercepting_filter_.get());
 159     classifier_ = new StrictMock<MockPhishingClassifier>(render_view);
 160     delegate_ = PhishingClassifierDelegate::Create(render_view, classifier_);
 161
 162     ASSERT_TRUE(StartTestServer());
 163     host_resolver()->AddRule("*", "127.0.0.1");
 164   }
 165
 166   // Runs the ClassificationDone callback, then waits for the
 167   // PhishingDetectionDone IPC to arrive.
 168   void RunClassificationDone(const ClientPhishingRequest& verdict) {
 169     // Clear out any previous state.
 170     intercepting_filter_->Reset();
 171     PostTaskToInProcessRendererAndWait(
 172         base::Bind(&PhishingClassifierDelegate::ClassificationDone,
 173         base::Unretained(delegate_),
 174         verdict));
 175     intercepting_filter_->RunUntilVerdictReceived();
 176   }
 177
 178   void OnStartPhishingDetection(const GURL& url) {
 179     PostTaskToInProcessRendererAndWait(
 180         base::Bind(&PhishingClassifierDelegate::OnStartPhishingDetection,
 181                    base::Unretained(delegate_), url));
 182   }
 183
 184   void PageCaptured(base::string16* page_text, bool preliminary_capture) {
 185     PostTaskToInProcessRendererAndWait(
 186         base::Bind(&PhishingClassifierDelegate::PageCaptured,
 187                    base::Unretained(delegate_), page_text,
 188                    preliminary_capture));
 189   }
 190
 191   bool StartTestServer() {
 192     CHECK(!embedded_test_server_);
 193     embedded_test_server_.reset(new net::test_server::EmbeddedTestServer());
 194     embedded_test_server_->RegisterRequestHandler(
 195         base::Bind(&PhishingClassifierDelegateTest::HandleRequest,
 196                    base::Unretained(this)));
 197     return embedded_test_server_->InitializeAndWaitUntilReady();
 198   }
 199
 200   scoped_ptr<net::test_server::HttpResponse> HandleRequest(
 201       const net::test_server::HttpRequest& request) {
 202     std::map<std::string, std::string>::const_iterator host_it =
 203         request.headers.find("Host");
 204     if (host_it == request.headers.end())
 205       return scoped_ptr<net::test_server::HttpResponse>();
 206
 207     std::string url =
 208         std::string("http://") + host_it->second + request.relative_url;
 209     if (response_url_.spec() != url)
 210       return scoped_ptr<net::test_server::HttpResponse>();
 211
 212     scoped_ptr<net::test_server::BasicHttpResponse> http_response(
 213         new net::test_server::BasicHttpResponse());
 214     http_response->set_code(net::HTTP_OK);
 215     http_response->set_content_type("text/html");
 216     http_response->set_content(response_content_);
 217     return http_response.Pass();
 218   }
 219
 220   content::WebContents* GetWebContents() {
 221     return browser()->tab_strip_model()->GetActiveWebContents();
 222   }
 223
 224   // Returns the URL that was loaded.
 225   GURL LoadHtml(const std::string& host, const std::string& content) {
 226     GURL::Replacements replace_host;
 227     replace_host.SetHostStr(host);
 228     response_content_ = content;
 229     response_url_ =
 230         embedded_test_server_->base_url().ReplaceComponents(replace_host);
 231     ui_test_utils::NavigateToURL(browser(), response_url_);
 232     return response_url_;
 233   }
 234
 235   void NavigateMainFrame(const GURL& url) {
 236     PostTaskToInProcessRendererAndWait(
 237         base::Bind(&PhishingClassifierDelegateTest::NavigateMainFrameInternal,
 238                    base::Unretained(this), url));
 239   }
 240
 241   void NavigateMainFrameInternal(const GURL& url) {
 242     content::RenderView* render_view =
 243         content::RenderView::FromRoutingID(kRenderViewRoutingId);
 244     render_view->GetWebView()->mainFrame()->firstChild()->loadRequest(
 245         blink::WebURLRequest(url));
 246   }
 247
 248   void GoBack() {
 249     GetWebContents()->GetController().GoBack();
 250     content::WaitForLoadStop(GetWebContents());
 251   }
 252
 253   void GoForward() {
 254     GetWebContents()->GetController().GoForward();
 255     content::WaitForLoadStop(GetWebContents());
 256   }
 257
 258   scoped_refptr<InterceptingMessageFilter> intercepting_filter_;
 259   GURL response_url_;
 260   std::string response_content_;
 261   scoped_ptr<net::test_server::EmbeddedTestServer> embedded_test_server_;
 262   scoped_ptr<ClientPhishingRequest> verdict_;
 263   StrictMock<MockPhishingClassifier>* classifier_;  // Owned by |delegate_|.
 264   PhishingClassifierDelegate* delegate_;  // Owned by the RenderView.
 265   scoped_refptr<content::MessageLoopRunner> runner_;
 266 };
 267
 268 IN_PROC_BROWSER_TEST_F(PhishingClassifierDelegateTest, Navigation) {
 269   MockScorer scorer;
 270   delegate_->SetPhishingScorer(&scorer);
 271   ASSERT_TRUE(classifier_->is_ready());
 272
 273   // Test an initial load.  We expect classification to happen normally.
 274   EXPECT_CALL(*classifier_, CancelPendingClassification()).Times(2);
 275   std::string port = base::IntToString(embedded_test_server_->port());
 276   std::string html = "<html><body><iframe src=\"http://sub1.com:";
 277   html += port;
 278   html += "/\"></iframe></body></html>";
 279   GURL url = LoadHtml("host.com", html);
 280   Mock::VerifyAndClearExpectations(classifier_);
 281   OnStartPhishingDetection(url);
 282   base::string16 page_text = ASCIIToUTF16("dummy");
 283   {
 284     InSequence s;
 285     EXPECT_CALL(*classifier_, CancelPendingClassification());
 286     EXPECT_CALL(*classifier_, BeginClassification(Pointee(page_text), _));
 287     PageCaptured(&page_text, false);
 288     Mock::VerifyAndClearExpectations(classifier_);
 289   }
 290
 291   // Reloading the same page should not trigger a reclassification.
 292   // However, it will cancel any pending classification since the
 293   // content is being replaced.
 294   EXPECT_CALL(*classifier_, CancelPendingClassification()).Times(2);
 295
 296   content::TestNavigationObserver observer(GetWebContents());
 297   chrome::Reload(browser(), CURRENT_TAB);
 298   observer.Wait();
 299
 300   Mock::VerifyAndClearExpectations(classifier_);
 301   OnStartPhishingDetection(url);
 302   page_text = ASCIIToUTF16("dummy");
 303   EXPECT_CALL(*classifier_, CancelPendingClassification());
 304   PageCaptured(&page_text, false);
 305   Mock::VerifyAndClearExpectations(classifier_);
 306
 307   // Navigating in a subframe will not change the toplevel URL.  However, this
 308   // should cancel pending classification since the page content is changing.
 309   // Currently, we do not start a new classification after subframe loads.
 310   EXPECT_CALL(*classifier_, CancelPendingClassification())
 311       .WillOnce(Invoke(this, &PhishingClassifierDelegateTest::CancelCalled));
 312
 313   runner_ = new content::MessageLoopRunner;
 314   NavigateMainFrame(GURL(std::string("http://sub2.com:") + port + "/"));
 315
 316   runner_->Run();
 317   runner_ = NULL;
 318
 319   Mock::VerifyAndClearExpectations(classifier_);
 320
 321   OnStartPhishingDetection(url);
 322   page_text = ASCIIToUTF16("dummy");
 323   EXPECT_CALL(*classifier_, CancelPendingClassification());
 324   PageCaptured(&page_text, false);
 325   Mock::VerifyAndClearExpectations(classifier_);
 326
 327   // Scrolling to an anchor works similarly to a subframe navigation, but
 328   // see the TODO in PhishingClassifierDelegate::DidCommitProvisionalLoad.
 329   EXPECT_CALL(*classifier_, CancelPendingClassification());
 330   GURL foo_url = GURL(url.spec() + "#foo");
 331   ui_test_utils::NavigateToURL(browser(), foo_url);
 332   Mock::VerifyAndClearExpectations(classifier_);
 333   OnStartPhishingDetection(url);
 334   page_text = ASCIIToUTF16("dummy");
 335   EXPECT_CALL(*classifier_, CancelPendingClassification());
 336   PageCaptured(&page_text, false);
 337   Mock::VerifyAndClearExpectations(classifier_);
 338
 339   // Now load a new toplevel page, which should trigger another classification.
 340   EXPECT_CALL(*classifier_, CancelPendingClassification())
 341       .WillOnce(Invoke(this, &PhishingClassifierDelegateTest::CancelCalled));
 342
 343   runner_ = new content::MessageLoopRunner;
 344   url = LoadHtml("host2.com", "dummy2");
 345   runner_->Run();
 346   runner_ = NULL;
 347
 348   Mock::VerifyAndClearExpectations(classifier_);
 349   page_text = ASCIIToUTF16("dummy2");
 350   OnStartPhishingDetection(url);
 351   {
 352     InSequence s;
 353     EXPECT_CALL(*classifier_, CancelPendingClassification());
 354     EXPECT_CALL(*classifier_, BeginClassification(Pointee(page_text), _));
 355     PageCaptured(&page_text, false);
 356     Mock::VerifyAndClearExpectations(classifier_);
 357   }
 358
 359   // No classification should happen on back/forward navigation.
 360   // Note: in practice, the browser will not send a StartPhishingDetection IPC
 361   // in this case.  However, we want to make sure that the delegate behaves
 362   // correctly regardless.
 363   EXPECT_CALL(*classifier_, CancelPendingClassification()).Times(2);
 364   GoBack();
 365   Mock::VerifyAndClearExpectations(classifier_);
 366
 367   page_text = ASCIIToUTF16("dummy");
 368   OnStartPhishingDetection(url);
 369   EXPECT_CALL(*classifier_, CancelPendingClassification());
 370   PageCaptured(&page_text, false);
 371   Mock::VerifyAndClearExpectations(classifier_);
 372
 373   EXPECT_CALL(*classifier_, CancelPendingClassification());
 374   GoForward();
 375   Mock::VerifyAndClearExpectations(classifier_);
 376
 377   page_text = ASCIIToUTF16("dummy2");
 378   OnStartPhishingDetection(url);
 379   EXPECT_CALL(*classifier_, CancelPendingClassification());
 380   PageCaptured(&page_text, false);
 381   Mock::VerifyAndClearExpectations(classifier_);
 382
 383   // Now go back again and scroll to a different anchor.
 384   // No classification should happen.
 385   EXPECT_CALL(*classifier_, CancelPendingClassification()).Times(2);
 386   GoBack();
 387   Mock::VerifyAndClearExpectations(classifier_);
 388   page_text = ASCIIToUTF16("dummy");
 389
 390   OnStartPhishingDetection(url);
 391   EXPECT_CALL(*classifier_, CancelPendingClassification());
 392   PageCaptured(&page_text, false);
 393   Mock::VerifyAndClearExpectations(classifier_);
 394
 395   EXPECT_CALL(*classifier_, CancelPendingClassification());
 396   GURL foo2_url = GURL(foo_url.spec() + "2");
 397   ui_test_utils::NavigateToURL(browser(), foo2_url);
 398   Mock::VerifyAndClearExpectations(classifier_);
 399
 400   OnStartPhishingDetection(url);
 401   page_text = ASCIIToUTF16("dummy");
 402   EXPECT_CALL(*classifier_, CancelPendingClassification());
 403   PageCaptured(&page_text, false);
 404   Mock::VerifyAndClearExpectations(classifier_);
 405
 406   // The delegate will cancel pending classification on destruction.
 407   EXPECT_CALL(*classifier_, CancelPendingClassification());
 408 }
 409
 410 IN_PROC_BROWSER_TEST_F(PhishingClassifierDelegateTest, NoScorer) {
 411   // For this test, we'll create the delegate with no scorer available yet.
 412   ASSERT_FALSE(classifier_->is_ready());
 413
 414   // Queue up a pending classification, cancel it, then queue up another one.
 415   GURL url = LoadHtml("host.com", "dummy");
 416   base::string16 page_text = ASCIIToUTF16("dummy");
 417   OnStartPhishingDetection(url);
 418   PageCaptured(&page_text, false);
 419
 420   url = LoadHtml("host2.com", "dummy2");
 421   page_text = ASCIIToUTF16("dummy2");
 422   OnStartPhishingDetection(url);
 423   PageCaptured(&page_text, false);
 424
 425   // Now set a scorer, which should cause a classifier to be created and
 426   // the classification to proceed.
 427   page_text = ASCIIToUTF16("dummy2");
 428   EXPECT_CALL(*classifier_, BeginClassification(Pointee(page_text), _));
 429   MockScorer scorer;
 430   delegate_->SetPhishingScorer(&scorer);
 431   Mock::VerifyAndClearExpectations(classifier_);
 432
 433   // If we set a new scorer while a classification is going on the
 434   // classification should be cancelled.
 435   EXPECT_CALL(*classifier_, CancelPendingClassification());
 436   delegate_->SetPhishingScorer(&scorer);
 437   Mock::VerifyAndClearExpectations(classifier_);
 438
 439   // The delegate will cancel pending classification on destruction.
 440   EXPECT_CALL(*classifier_, CancelPendingClassification());
 441 }
 442
 443 IN_PROC_BROWSER_TEST_F(PhishingClassifierDelegateTest, NoScorer_Ref) {
 444   // Similar to the last test, but navigates within the page before
 445   // setting the scorer.
 446   ASSERT_FALSE(classifier_->is_ready());
 447
 448   // Queue up a pending classification, cancel it, then queue up another one.
 449   GURL url = LoadHtml("host.com", "dummy");
 450   base::string16 page_text = ASCIIToUTF16("dummy");
 451   OnStartPhishingDetection(url);
 452   PageCaptured(&page_text, false);
 453
 454   OnStartPhishingDetection(url);
 455   page_text = ASCIIToUTF16("dummy");
 456   PageCaptured(&page_text, false);
 457
 458   // Now set a scorer, which should cause a classifier to be created and
 459   // the classification to proceed.
 460   page_text = ASCIIToUTF16("dummy");
 461   EXPECT_CALL(*classifier_, BeginClassification(Pointee(page_text), _));
 462   MockScorer scorer;
 463   delegate_->SetPhishingScorer(&scorer);
 464   Mock::VerifyAndClearExpectations(classifier_);
 465
 466   // The delegate will cancel pending classification on destruction.
 467   EXPECT_CALL(*classifier_, CancelPendingClassification());
 468 }
 469
 470 IN_PROC_BROWSER_TEST_F(PhishingClassifierDelegateTest,
 471                        NoStartPhishingDetection) {
 472   // Tests the behavior when OnStartPhishingDetection has not yet been called
 473   // when the page load finishes.
 474   MockScorer scorer;
 475   delegate_->SetPhishingScorer(&scorer);
 476   ASSERT_TRUE(classifier_->is_ready());
 477
 478   EXPECT_CALL(*classifier_, CancelPendingClassification());
 479   GURL url = LoadHtml("host.com", "<html><body>phish</body></html>");
 480   Mock::VerifyAndClearExpectations(classifier_);
 481   base::string16 page_text = ASCIIToUTF16("phish");
 482   EXPECT_CALL(*classifier_, CancelPendingClassification());
 483   PageCaptured(&page_text, false);
 484   Mock::VerifyAndClearExpectations(classifier_);
 485   // Now simulate the StartPhishingDetection IPC.  We expect classification
 486   // to begin.
 487   page_text = ASCIIToUTF16("phish");
 488   EXPECT_CALL(*classifier_, BeginClassification(Pointee(page_text), _));
 489   OnStartPhishingDetection(url);
 490   Mock::VerifyAndClearExpectations(classifier_);
 491
 492   // Now try again, but this time we will navigate the page away before
 493   // the IPC is sent.
 494   EXPECT_CALL(*classifier_, CancelPendingClassification());
 495   LoadHtml("host2.com", "<html><body>phish</body></html>");
 496   Mock::VerifyAndClearExpectations(classifier_);
 497   page_text = ASCIIToUTF16("phish");
 498   EXPECT_CALL(*classifier_, CancelPendingClassification());
 499   PageCaptured(&page_text, false);
 500   Mock::VerifyAndClearExpectations(classifier_);
 501
 502   EXPECT_CALL(*classifier_, CancelPendingClassification());
 503   LoadHtml("host3.com", "<html><body>phish</body></html>");
 504   Mock::VerifyAndClearExpectations(classifier_);
 505   OnStartPhishingDetection(url);
 506
 507   // In this test, the original page is a redirect, which we do not get a
 508   // StartPhishingDetection IPC for.  We use location.replace() to load a
 509   // new page while reusing the original session history entry, and check that
 510   // classification begins correctly for the landing page.
 511   EXPECT_CALL(*classifier_, CancelPendingClassification());
 512   LoadHtml("host4.com", "<html><body>abc</body></html>");
 513   Mock::VerifyAndClearExpectations(classifier_);
 514   page_text = ASCIIToUTF16("abc");
 515   EXPECT_CALL(*classifier_, CancelPendingClassification());
 516   PageCaptured(&page_text, false);
 517   Mock::VerifyAndClearExpectations(classifier_);
 518   EXPECT_CALL(*classifier_, CancelPendingClassification());
 519
 520   ui_test_utils::NavigateToURL(
 521       browser(), GURL("javascript:location.replace(\'redir\');"));
 522
 523   Mock::VerifyAndClearExpectations(classifier_);
 524
 525   std::string url_str = "http://host4.com:";
 526   url_str += base::IntToString(embedded_test_server_->port());
 527   url_str += "/redir";
 528   OnStartPhishingDetection(GURL(url_str));
 529   page_text = ASCIIToUTF16("123");
 530   {
 531     InSequence s;
 532     EXPECT_CALL(*classifier_, CancelPendingClassification());
 533     EXPECT_CALL(*classifier_, BeginClassification(Pointee(page_text), _));
 534     PageCaptured(&page_text, false);
 535     Mock::VerifyAndClearExpectations(classifier_);
 536   }
 537
 538   // The delegate will cancel pending classification on destruction.
 539   EXPECT_CALL(*classifier_, CancelPendingClassification());
 540 }
 541
 542 IN_PROC_BROWSER_TEST_F(PhishingClassifierDelegateTest,
 543                        IgnorePreliminaryCapture) {
 544   // Tests that preliminary PageCaptured notifications are ignored.
 545   MockScorer scorer;
 546   delegate_->SetPhishingScorer(&scorer);
 547   ASSERT_TRUE(classifier_->is_ready());
 548
 549   EXPECT_CALL(*classifier_, CancelPendingClassification());
 550   GURL url = LoadHtml("host.com", "<html><body>phish</body></html>");
 551   Mock::VerifyAndClearExpectations(classifier_);
 552   OnStartPhishingDetection(url);
 553   base::string16 page_text = ASCIIToUTF16("phish");
 554   PageCaptured(&page_text, true);
 555
 556   // Once the non-preliminary capture happens, classification should begin.
 557   page_text = ASCIIToUTF16("phish");
 558   {
 559     InSequence s;
 560     EXPECT_CALL(*classifier_, CancelPendingClassification());
 561     EXPECT_CALL(*classifier_, BeginClassification(Pointee(page_text), _));
 562     PageCaptured(&page_text, false);
 563     Mock::VerifyAndClearExpectations(classifier_);
 564   }
 565
 566   // The delegate will cancel pending classification on destruction.
 567   EXPECT_CALL(*classifier_, CancelPendingClassification());
 568 }
 569
 570 #if defined(ADDRESS_SANITIZER)
 571 #define Maybe_DuplicatePageCapture DISABLED_DuplicatePageCapture
 572 #else
 573 #define Maybe_DuplicatePageCapture DuplicatePageCapture
 574 #endif
 575 IN_PROC_BROWSER_TEST_F(PhishingClassifierDelegateTest,
 576                        Maybe_DuplicatePageCapture) {
 577   // Tests that a second PageCaptured notification causes classification to
 578   // be cancelled.
 579   MockScorer scorer;
 580   delegate_->SetPhishingScorer(&scorer);
 581   ASSERT_TRUE(classifier_->is_ready());
 582
 583   EXPECT_CALL(*classifier_, CancelPendingClassification());
 584   GURL url = LoadHtml("host.com", "<html><body>phish</body></html>");
 585   Mock::VerifyAndClearExpectations(classifier_);
 586   OnStartPhishingDetection(url);
 587   base::string16 page_text = ASCIIToUTF16("phish");
 588   {
 589     InSequence s;
 590     EXPECT_CALL(*classifier_, CancelPendingClassification());
 591     EXPECT_CALL(*classifier_, BeginClassification(Pointee(page_text), _));
 592     PageCaptured(&page_text, false);
 593     Mock::VerifyAndClearExpectations(classifier_);
 594   }
 595
 596   page_text = ASCIIToUTF16("phish");
 597   EXPECT_CALL(*classifier_, CancelPendingClassification());
 598   PageCaptured(&page_text, false);
 599   Mock::VerifyAndClearExpectations(classifier_);
 600
 601   // The delegate will cancel pending classification on destruction.
 602   EXPECT_CALL(*classifier_, CancelPendingClassification());
 603 }
 604
 605 IN_PROC_BROWSER_TEST_F(PhishingClassifierDelegateTest, PhishingDetectionDone) {
 606   // Tests that a PhishingDetectionDone IPC is sent to the browser
 607   // whenever we finish classification.
 608   MockScorer scorer;
 609   delegate_->SetPhishingScorer(&scorer);
 610   ASSERT_TRUE(classifier_->is_ready());
 611
 612   // Start by loading a page to populate the delegate's state.
 613   EXPECT_CALL(*classifier_, CancelPendingClassification());
 614   GURL url = LoadHtml("host.com", "<html><body>phish</body></html>");
 615   Mock::VerifyAndClearExpectations(classifier_);
 616   base::string16 page_text = ASCIIToUTF16("phish");
 617   OnStartPhishingDetection(url);
 618   {
 619     InSequence s;
 620     EXPECT_CALL(*classifier_, CancelPendingClassification());
 621     EXPECT_CALL(*classifier_, BeginClassification(Pointee(page_text), _));
 622     PageCaptured(&page_text, false);
 623     Mock::VerifyAndClearExpectations(classifier_);
 624   }
 625
 626   // Now run the callback to simulate the classifier finishing.
 627   ClientPhishingRequest verdict;
 628   verdict.set_url(url.spec());
 629   verdict.set_client_score(0.8f);
 630   verdict.set_is_phishing(false);  // Send IPC even if site is not phishing.
 631   RunClassificationDone(verdict);
 632   ASSERT_TRUE(intercepting_filter_->verdict());
 633   EXPECT_EQ(verdict.SerializeAsString(),
 634             intercepting_filter_->verdict()->SerializeAsString());
 635
 636   // The delegate will cancel pending classification on destruction.
 637   EXPECT_CALL(*classifier_, CancelPendingClassification());
 638 }
 639
 640 }  // namespace safe_browsing