chrome/test/base/in_process_browser_test_browsertest.cc

   1 // Copyright (c) 2011 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 <string.h>
   6
   7 #include "base/files/file_util.h"
   8 #include "base/path_service.h"
   9 #include "chrome/browser/ui/browser.h"
  10 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  11 #include "chrome/test/base/in_process_browser_test.h"
  12 #include "chrome/test/base/ui_test_utils.h"
  13 #include "content/public/browser/render_view_host.h"
  14 #include "content/public/browser/web_contents.h"
  15 #include "content/public/browser/web_contents_observer.h"
  16 #include "net/base/filename_util.h"
  17 #include "net/base/net_errors.h"
  18 #include "testing/gtest/include/gtest/gtest.h"
  19
  20 namespace {
  21
  22 class InProcessBrowserTestP
  23     : public InProcessBrowserTest,
  24       public ::testing::WithParamInterface<const char*> {
  25 };
  26
  27 IN_PROC_BROWSER_TEST_P(InProcessBrowserTestP, TestP) {
  28   EXPECT_EQ(0, strcmp("foo", GetParam()));
  29 }
  30
  31 INSTANTIATE_TEST_CASE_P(IPBTP,
  32                         InProcessBrowserTestP,
  33                         ::testing::Values("foo"));
  34
  35 // WebContents observer that can detect provisional load failures.
  36 class LoadFailObserver : public content::WebContentsObserver {
  37  public:
  38   explicit LoadFailObserver(content::WebContents* contents)
  39       : content::WebContentsObserver(contents),
  40         failed_load_(false),
  41         error_code_(net::OK) { }
  42
  43   void DidFailProvisionalLoad(
  44       content::RenderFrameHost* render_frame_host,
  45       const GURL& validated_url,
  46       int error_code,
  47       const base::string16& error_description) override {
  48     failed_load_ = true;
  49     error_code_ = static_cast<net::Error>(error_code);
  50     validated_url_ = validated_url;
  51   }
  52
  53   bool failed_load() const { return failed_load_; }
  54   net::Error error_code() const { return error_code_; }
  55   const GURL& validated_url() const { return validated_url_; }
  56
  57  private:
  58   bool failed_load_;
  59   net::Error error_code_;
  60   GURL validated_url_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(LoadFailObserver);
  63 };
  64
  65 // Tests that InProcessBrowserTest cannot resolve external host, in this case
  66 // "google.com" and "cnn.com". Using external resources is disabled by default
  67 // in InProcessBrowserTest because it causes flakiness.
  68 IN_PROC_BROWSER_TEST_F(InProcessBrowserTest, ExternalConnectionFail) {
  69   content::WebContents* contents =
  70       browser()->tab_strip_model()->GetActiveWebContents();
  71
  72   const char* const kURLs[] = {
  73     "http://www.google.com/",
  74     "http://www.cnn.com/"
  75   };
  76   for (size_t i = 0; i < arraysize(kURLs); ++i) {
  77     GURL url(kURLs[i]);
  78     LoadFailObserver observer(contents);
  79     ui_test_utils::NavigateToURL(browser(), url);
  80     EXPECT_TRUE(observer.failed_load());
  81     EXPECT_EQ(net::ERR_NOT_IMPLEMENTED, observer.error_code());
  82     EXPECT_EQ(url, observer.validated_url());
  83   }
  84 }
  85
  86 // Paths are to very simple HTML files. One is accessible, the other is not.
  87 const base::FilePath::CharType kPassHTML[] =
  88     FILE_PATH_LITERAL("chrome/test/data/accessibility_pass.html");
  89 const base::FilePath::CharType kFailHTML[] =
  90     FILE_PATH_LITERAL("chrome/test/data/accessibility_fail.html");
  91
  92 /*
  93  * This class is meant as a test for the accessibility audit in the
  94  * InProcessBrowserTest. These tests do NOT validate the accessibility audit,
  95  * just the ability to run it.
  96  */
  97 class InProcessAccessibilityBrowserTest : public InProcessBrowserTest {
  98  protected:
  99   // Construct a URL from a file path that can be used to get to a web page.
 100   base::FilePath BuildURLToFile(const base::FilePath::CharType* file_path) {
 101     base::FilePath source_root;
 102     if (!PathService::Get(base::DIR_SOURCE_ROOT, &source_root))
 103       return base::FilePath();
 104     return source_root.Append(file_path);
 105   }
 106
 107   bool NavigateToURL(const base::FilePath::CharType* address) {
 108     GURL url = net::FilePathToFileURL(BuildURLToFile(address));
 109
 110     if (!url.is_valid() || url.is_empty() || !browser())
 111       return false;
 112
 113     ui_test_utils::NavigateToURLBlockUntilNavigationsComplete(
 114         browser(), url, 1);
 115     return true;
 116   }
 117 };
 118
 119 // Test that an accessible page doesn't fail the accessibility audit.
 120 IN_PROC_BROWSER_TEST_F(
 121     InProcessAccessibilityBrowserTest, VerifyAccessibilityPass) {
 122   ASSERT_TRUE(NavigateToURL(kPassHTML));
 123
 124   std::string test_result;
 125   EXPECT_TRUE(RunAccessibilityChecks(&test_result));
 126
 127   // No error message on success.
 128   EXPECT_EQ("", test_result);
 129 }
 130
 131 // Test that a page that is not accessible will fail the accessibility audit.
 132 IN_PROC_BROWSER_TEST_F(
 133     InProcessAccessibilityBrowserTest, VerifyAccessibilityFail) {
 134   ASSERT_TRUE(NavigateToURL(kFailHTML));
 135
 136   std::string test_result;
 137   EXPECT_FALSE(RunAccessibilityChecks(&test_result));
 138
 139   // Error should NOT be empty on failure.
 140   EXPECT_NE("", test_result);
 141 }
 142
 143 }  // namespace