chrome/test/nacl/pnacl_header_test.cc

   1 // Copyright 2013 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/test/nacl/pnacl_header_test.h"
   6
   7 #include "base/bind.h"
   8 #include "base/path_service.h"
   9 #include "base/test/scoped_path_override.h"
  10 #include "chrome/browser/ui/browser.h"
  11 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  12 #include "chrome/common/chrome_paths.h"
  13 #include "chrome/test/base/ui_test_utils.h"
  14 #include "chrome/test/nacl/nacl_browsertest_util.h"
  15 #include "content/public/browser/resource_dispatcher_host.h"
  16 #include "content/public/browser/web_contents.h"
  17 #include "net/test/embedded_test_server/embedded_test_server.h"
  18 #include "net/test/embedded_test_server/http_request.h"
  19 #include "net/test/embedded_test_server/http_response.h"
  20 #include "net/url_request/url_request.h"
  21
  22 using net::test_server::BasicHttpResponse;
  23 using net::test_server::EmbeddedTestServer;
  24 using net::test_server::HttpRequest;
  25 using net::test_server::HttpResponse;
  26
  27 void TestDispatcherHostDelegate::RequestBeginning(
  28     net::URLRequest* request,
  29     content::ResourceContext* resource_context,
  30     content::AppCacheService* appcache_service,
  31     content::ResourceType resource_type,
  32     ScopedVector<content::ResourceThrottle>* throttles) {
  33   // This checks the same condition as the one for PNaCl in
  34   // AppendComponentUpdaterThrottles.
  35   if (resource_type == content::RESOURCE_TYPE_OBJECT) {
  36     const net::HttpRequestHeaders& headers = request->extra_request_headers();
  37     std::string accept_headers;
  38     if (headers.GetHeader("Accept", &accept_headers)) {
  39       if (accept_headers.find("application/x-pnacl") != std::string::npos)
  40         found_pnacl_header_ = true;
  41     }
  42   }
  43 }
  44
  45 PnaclHeaderTest::PnaclHeaderTest() : noncors_loads_(0), cors_loads_(0) {}
  46
  47 PnaclHeaderTest::~PnaclHeaderTest() {}
  48
  49 void PnaclHeaderTest::StartServer() {
  50   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
  51
  52   // For most requests, just serve files, but register a special test handler
  53   // that watches for the .pexe fetch also.
  54   base::FilePath test_data_dir;
  55   ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir));
  56   embedded_test_server()->RegisterRequestHandler(
  57       base::Bind(&PnaclHeaderTest::WatchForPexeFetch, base::Unretained(this)));
  58   embedded_test_server()->ServeFilesFromDirectory(test_data_dir);
  59 }
  60
  61 void PnaclHeaderTest::RunLoadTest(const std::string& url,
  62                                   int expected_noncors,
  63                                   int expected_cors) {
  64   content::ResourceDispatcherHost::Get()->SetDelegate(&test_delegate_);
  65   StartServer();
  66   LoadTestMessageHandler handler;
  67   content::JavascriptTestObserver observer(
  68       browser()->tab_strip_model()->GetActiveWebContents(),
  69       &handler);
  70
  71   // Make sure this is able to do a pexe fetch, even without access
  72   // to the PNaCl component files (make DIR_PNACL_COMPONENT empty).
  73   // The pexe fetch that is done with special headers must be able to
  74   // start before the component files are on disk. This is because it
  75   // is the pexe fetch that helps trigger an on-demand installation
  76   // which installs the files to disk (if that hasn't already happened
  77   // in the background).
  78   base::ScopedPathOverride component_dir(chrome::DIR_PNACL_COMPONENT);
  79
  80   ui_test_utils::NavigateToURL(browser(), embedded_test_server()->GetURL(url));
  81
  82   // Wait until the NMF and pexe are also loaded, not just the HTML.
  83   // Do this by waiting till the LoadTestMessageHandler responds.
  84   EXPECT_TRUE(observer.Run()) << handler.error_message();
  85
  86   // Now check the expectations.
  87   EXPECT_TRUE(handler.test_passed()) << "Test failed.";
  88   EXPECT_EQ(expected_noncors, noncors_loads_);
  89   EXPECT_EQ(expected_cors, cors_loads_);
  90
  91   content::ResourceDispatcherHost::Get()->SetDelegate(NULL);
  92 }
  93
  94 scoped_ptr<HttpResponse> PnaclHeaderTest::WatchForPexeFetch(
  95     const HttpRequest& request) {
  96   // Avoid favicon.ico warning by giving it a dummy icon.
  97   if (request.relative_url.find("favicon.ico") != std::string::npos) {
  98     scoped_ptr<BasicHttpResponse> http_response(new BasicHttpResponse());
  99     http_response->set_code(net::HTTP_OK);
 100     http_response->set_content("");
 101     http_response->set_content_type("application/octet-stream");
 102     return http_response.PassAs<HttpResponse>();
 103   }
 104
 105   // Skip other non-pexe files and let ServeFilesFromDirectory handle it.
 106   GURL absolute_url = embedded_test_server()->GetURL(request.relative_url);
 107   if (absolute_url.path().find(".pexe") == std::string::npos)
 108     return scoped_ptr<HttpResponse>();
 109
 110   // For pexe files, check for the special Accept header,
 111   // along with the expected ResourceType of the URL request.
 112   EXPECT_NE(0U, request.headers.count("Accept"));
 113   std::map<std::string, std::string>::const_iterator it =
 114       request.headers.find("Accept");
 115   EXPECT_NE(std::string::npos, it->second.find("application/x-pnacl"));
 116   EXPECT_NE(std::string::npos, it->second.find("*/*"));
 117   EXPECT_TRUE(test_delegate_.found_pnacl_header());
 118
 119   // Also make sure that other headers like CORS-related headers
 120   // are preserved when injecting the special Accept header.
 121   if (absolute_url.path().find("cors") == std::string::npos) {
 122     EXPECT_EQ(0U, request.headers.count("Origin"));
 123     noncors_loads_ += 1;
 124   } else {
 125     EXPECT_EQ(1U, request.headers.count("Origin"));
 126     cors_loads_ += 1;
 127   }
 128
 129   // After checking the header, just return a 404. We don't need to actually
 130   // compile and stopping with a 404 is faster.
 131   scoped_ptr<BasicHttpResponse> http_response(new BasicHttpResponse());
 132   http_response->set_code(net::HTTP_NOT_FOUND);
 133   http_response->set_content("PEXE ... not found");
 134   http_response->set_content_type("application/octet-stream");
 135   return http_response.PassAs<HttpResponse>();
 136 }
 137
 138 IN_PROC_BROWSER_TEST_F(PnaclHeaderTest, TestHasPnaclHeader) {
 139   // Load 2 pexes, one same origin and one cross orgin.
 140   RunLoadTest("/nacl/pnacl_request_header/pnacl_request_header.html", 1, 1);
 141 }