net/url_request/url_request_test_util.h

   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 #ifndef NET_URL_REQUEST_URL_REQUEST_TEST_UTIL_H_
   6 #define NET_URL_REQUEST_URL_REQUEST_TEST_UTIL_H_
   7
   8 #include <stdlib.h>
   9
  10 #include <map>
  11 #include <string>
  12
  13 #include "base/basictypes.h"
  14 #include "base/compiler_specific.h"
  15 #include "base/memory/ref_counted.h"
  16 #include "base/memory/scoped_ptr.h"
  17 #include "base/message_loop/message_loop_proxy.h"
  18 #include "base/path_service.h"
  19 #include "base/strings/string16.h"
  20 #include "base/strings/string_util.h"
  21 #include "base/strings/utf_string_conversions.h"
  22 #include "base/time/time.h"
  23 #include "net/base/io_buffer.h"
  24 #include "net/base/load_timing_info.h"
  25 #include "net/base/net_errors.h"
  26 #include "net/base/network_delegate.h"
  27 #include "net/base/request_priority.h"
  28 #include "net/base/sdch_manager.h"
  29 #include "net/cert/cert_verifier.h"
  30 #include "net/cookies/cookie_monster.h"
  31 #include "net/disk_cache/disk_cache.h"
  32 #include "net/ftp/ftp_network_layer.h"
  33 #include "net/http/http_auth_handler_factory.h"
  34 #include "net/http/http_cache.h"
  35 #include "net/http/http_network_layer.h"
  36 #include "net/http/http_network_session.h"
  37 #include "net/http/http_request_headers.h"
  38 #include "net/proxy/proxy_service.h"
  39 #include "net/ssl/ssl_config_service_defaults.h"
  40 #include "net/url_request/url_request.h"
  41 #include "net/url_request/url_request_context.h"
  42 #include "net/url_request/url_request_context_getter.h"
  43 #include "net/url_request/url_request_context_storage.h"
  44 #include "net/url_request/url_request_job_factory.h"
  45 #include "url/url_util.h"
  46
  47 using base::TimeDelta;
  48
  49 namespace net {
  50
  51 //-----------------------------------------------------------------------------
  52
  53 class TestURLRequestContext : public URLRequestContext {
  54  public:
  55   TestURLRequestContext();
  56   // Default constructor like TestURLRequestContext() but does not call
  57   // Init() in case |delay_initialization| is true. This allows modifying the
  58   // URLRequestContext before it is constructed completely. If
  59   // |delay_initialization| is true, Init() needs be be called manually.
  60   explicit TestURLRequestContext(bool delay_initialization);
  61   ~TestURLRequestContext() override;
  62
  63   void Init();
  64
  65   ClientSocketFactory* client_socket_factory() {
  66     return client_socket_factory_;
  67   }
  68   void set_client_socket_factory(ClientSocketFactory* factory) {
  69     client_socket_factory_ = factory;
  70   }
  71
  72   void set_http_network_session_params(
  73       const HttpNetworkSession::Params& params) {
  74   }
  75
  76   void SetSdchManager(scoped_ptr<SdchManager> sdch_manager) {
  77     context_storage_.set_sdch_manager(sdch_manager.Pass());
  78   }
  79
  80  private:
  81   bool initialized_;
  82
  83   // Optional parameters to override default values.  Note that values that
  84   // point to other objects the TestURLRequestContext creates will be
  85   // overwritten.
  86   scoped_ptr<HttpNetworkSession::Params> http_network_session_params_;
  87
  88   // Not owned:
  89   ClientSocketFactory* client_socket_factory_;
  90
  91  protected:
  92   URLRequestContextStorage context_storage_;
  93 };
  94
  95 //-----------------------------------------------------------------------------
  96
  97 // Used to return a dummy context, which lives on the message loop
  98 // given in the constructor.
  99 class TestURLRequestContextGetter : public URLRequestContextGetter {
 100  public:
 101   // |network_task_runner| must not be NULL.
 102   explicit TestURLRequestContextGetter(
 103       const scoped_refptr<base::SingleThreadTaskRunner>& network_task_runner);
 104
 105   // Use to pass a pre-initialized |context|.
 106   TestURLRequestContextGetter(
 107       const scoped_refptr<base::SingleThreadTaskRunner>& network_task_runner,
 108       scoped_ptr<TestURLRequestContext> context);
 109
 110   // URLRequestContextGetter implementation.
 111   TestURLRequestContext* GetURLRequestContext() override;
 112   scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
 113       const override;
 114
 115  protected:
 116   ~TestURLRequestContextGetter() override;
 117
 118  private:
 119   const scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;
 120   scoped_ptr<TestURLRequestContext> context_;
 121 };
 122
 123 //-----------------------------------------------------------------------------
 124
 125 class TestDelegate : public URLRequest::Delegate {
 126  public:
 127   TestDelegate();
 128   ~TestDelegate() override;
 129
 130   void set_cancel_in_received_redirect(bool val) { cancel_in_rr_ = val; }
 131   void set_cancel_in_response_started(bool val) { cancel_in_rs_ = val; }
 132   void set_cancel_in_received_data(bool val) { cancel_in_rd_ = val; }
 133   void set_cancel_in_received_data_pending(bool val) {
 134     cancel_in_rd_pending_ = val;
 135   }
 136   void set_quit_on_complete(bool val) { quit_on_complete_ = val; }
 137   void set_quit_on_redirect(bool val) { quit_on_redirect_ = val; }
 138   void set_quit_on_network_start(bool val) {
 139     quit_on_before_network_start_ = val;
 140   }
 141   void set_allow_certificate_errors(bool val) {
 142     allow_certificate_errors_ = val;
 143   }
 144   void set_credentials(const AuthCredentials& credentials) {
 145     credentials_ = credentials;
 146   }
 147
 148   // query state
 149   const std::string& data_received() const { return data_received_; }
 150   int bytes_received() const { return static_cast<int>(data_received_.size()); }
 151   int response_started_count() const { return response_started_count_; }
 152   int received_redirect_count() const { return received_redirect_count_; }
 153   int received_before_network_start_count() const {
 154     return received_before_network_start_count_;
 155   }
 156   bool received_data_before_response() const {
 157     return received_data_before_response_;
 158   }
 159   bool request_failed() const { return request_failed_; }
 160   bool have_certificate_errors() const { return have_certificate_errors_; }
 161   bool certificate_errors_are_fatal() const {
 162     return certificate_errors_are_fatal_;
 163   }
 164   bool auth_required_called() const { return auth_required_; }
 165   bool have_full_request_headers() const { return have_full_request_headers_; }
 166   const HttpRequestHeaders& full_request_headers() const {
 167     return full_request_headers_;
 168   }
 169   void ClearFullRequestHeaders();
 170
 171   // URLRequest::Delegate:
 172   void OnReceivedRedirect(URLRequest* request,
 173                           const RedirectInfo& redirect_info,
 174                           bool* defer_redirect) override;
 175   void OnBeforeNetworkStart(URLRequest* request, bool* defer) override;
 176   void OnAuthRequired(URLRequest* request,
 177                       AuthChallengeInfo* auth_info) override;
 178   // NOTE: |fatal| causes |certificate_errors_are_fatal_| to be set to true.
 179   // (Unit tests use this as a post-condition.) But for policy, this method
 180   // consults |allow_certificate_errors_|.
 181   void OnSSLCertificateError(URLRequest* request,
 182                              const SSLInfo& ssl_info,
 183                              bool fatal) override;
 184   void OnResponseStarted(URLRequest* request) override;
 185   void OnReadCompleted(URLRequest* request, int bytes_read) override;
 186
 187  private:
 188   static const int kBufferSize = 4096;
 189
 190   virtual void OnResponseCompleted(URLRequest* request);
 191
 192   // options for controlling behavior
 193   bool cancel_in_rr_;
 194   bool cancel_in_rs_;
 195   bool cancel_in_rd_;
 196   bool cancel_in_rd_pending_;
 197   bool quit_on_complete_;
 198   bool quit_on_redirect_;
 199   bool quit_on_before_network_start_;
 200   bool allow_certificate_errors_;
 201   AuthCredentials credentials_;
 202
 203   // tracks status of callbacks
 204   int response_started_count_;
 205   int received_bytes_count_;
 206   int received_redirect_count_;
 207   int received_before_network_start_count_;
 208   bool received_data_before_response_;
 209   bool request_failed_;
 210   bool have_certificate_errors_;
 211   bool certificate_errors_are_fatal_;
 212   bool auth_required_;
 213   std::string data_received_;
 214   bool have_full_request_headers_;
 215   HttpRequestHeaders full_request_headers_;
 216
 217   // our read buffer
 218   scoped_refptr<IOBuffer> buf_;
 219 };
 220
 221 //-----------------------------------------------------------------------------
 222
 223 class TestNetworkDelegate : public NetworkDelegate {
 224  public:
 225   enum Options {
 226     NO_GET_COOKIES = 1 << 0,
 227     NO_SET_COOKIE  = 1 << 1,
 228   };
 229
 230   TestNetworkDelegate();
 231   ~TestNetworkDelegate() override;
 232
 233   // Writes the LoadTimingInfo during the most recent call to OnBeforeRedirect.
 234   bool GetLoadTimingInfoBeforeRedirect(
 235       LoadTimingInfo* load_timing_info_before_redirect) const;
 236
 237   // Same as GetLoadTimingInfoBeforeRedirect, except for calls to
 238   // AuthRequiredResponse.
 239   bool GetLoadTimingInfoBeforeAuth(
 240       LoadTimingInfo* load_timing_info_before_auth) const;
 241
 242   // Will redirect once to the given URL when the next set of headers are
 243   // received.
 244   void set_redirect_on_headers_received_url(
 245       GURL redirect_on_headers_received_url) {
 246     redirect_on_headers_received_url_ = redirect_on_headers_received_url;
 247   }
 248
 249   void set_allowed_unsafe_redirect_url(GURL allowed_unsafe_redirect_url) {
 250     allowed_unsafe_redirect_url_ = allowed_unsafe_redirect_url;
 251   }
 252
 253   void set_cookie_options(int o) {cookie_options_bit_mask_ = o; }
 254
 255   int last_error() const { return last_error_; }
 256   int error_count() const { return error_count_; }
 257   int created_requests() const { return created_requests_; }
 258   int destroyed_requests() const { return destroyed_requests_; }
 259   int completed_requests() const { return completed_requests_; }
 260   int canceled_requests() const { return canceled_requests_; }
 261   int blocked_get_cookies_count() const { return blocked_get_cookies_count_; }
 262   int blocked_set_cookie_count() const { return blocked_set_cookie_count_; }
 263   int set_cookie_count() const { return set_cookie_count_; }
 264
 265   void set_can_access_files(bool val) { can_access_files_ = val; }
 266   bool can_access_files() const { return can_access_files_; }
 267
 268   void set_can_throttle_requests(bool val) { can_throttle_requests_ = val; }
 269   bool can_throttle_requests() const { return can_throttle_requests_; }
 270
 271   void set_cancel_request_with_policy_violating_referrer(bool val) {
 272     cancel_request_with_policy_violating_referrer_ = val;
 273   }
 274
 275   int observed_before_proxy_headers_sent_callbacks() const {
 276     return observed_before_proxy_headers_sent_callbacks_;
 277   }
 278   int before_send_headers_count() const { return before_send_headers_count_; }
 279   int headers_received_count() const { return headers_received_count_; }
 280
 281   // Last observed proxy in proxy header sent callback.
 282   HostPortPair last_observed_proxy() {
 283     return last_observed_proxy_;
 284   }
 285
 286   void set_can_be_intercepted_on_error(bool can_be_intercepted_on_error) {
 287     will_be_intercepted_on_next_error_ = can_be_intercepted_on_error;
 288   }
 289
 290  protected:
 291   // NetworkDelegate:
 292   int OnBeforeURLRequest(URLRequest* request,
 293                          const CompletionCallback& callback,
 294                          GURL* new_url) override;
 295   int OnBeforeSendHeaders(URLRequest* request,
 296                           const CompletionCallback& callback,
 297                           HttpRequestHeaders* headers) override;
 298   void OnBeforeSendProxyHeaders(net::URLRequest* request,
 299                                 const net::ProxyInfo& proxy_info,
 300                                 net::HttpRequestHeaders* headers) override;
 301   void OnSendHeaders(URLRequest* request,
 302                      const HttpRequestHeaders& headers) override;
 303   int OnHeadersReceived(
 304       URLRequest* request,
 305       const CompletionCallback& callback,
 306       const HttpResponseHeaders* original_response_headers,
 307       scoped_refptr<HttpResponseHeaders>* override_response_headers,
 308       GURL* allowed_unsafe_redirect_url) override;
 309   void OnBeforeRedirect(URLRequest* request, const GURL& new_location) override;
 310   void OnResponseStarted(URLRequest* request) override;
 311   void OnRawBytesRead(const URLRequest& request, int bytes_read) override;
 312   void OnCompleted(URLRequest* request, bool started) override;
 313   void OnURLRequestDestroyed(URLRequest* request) override;
 314   void OnPACScriptError(int line_number, const base::string16& error) override;
 315   NetworkDelegate::AuthRequiredResponse OnAuthRequired(
 316       URLRequest* request,
 317       const AuthChallengeInfo& auth_info,
 318       const AuthCallback& callback,
 319       AuthCredentials* credentials) override;
 320   bool OnCanGetCookies(const URLRequest& request,
 321                        const CookieList& cookie_list) override;
 322   bool OnCanSetCookie(const URLRequest& request,
 323                       const std::string& cookie_line,
 324                       CookieOptions* options) override;
 325   bool OnCanAccessFile(const URLRequest& request,
 326                        const base::FilePath& path) const override;
 327   bool OnCanThrottleRequest(const URLRequest& request) const override;
 328   bool OnCancelURLRequestWithPolicyViolatingReferrerHeader(
 329       const URLRequest& request,
 330       const GURL& target_url,
 331       const GURL& referrer_url) const override;
 332
 333   void InitRequestStatesIfNew(int request_id);
 334
 335   GURL redirect_on_headers_received_url_;
 336   // URL marked as safe for redirection at the onHeadersReceived stage.
 337   GURL allowed_unsafe_redirect_url_;
 338
 339   int last_error_;
 340   int error_count_;
 341   int created_requests_;
 342   int destroyed_requests_;
 343   int completed_requests_;
 344   int canceled_requests_;
 345   int cookie_options_bit_mask_;
 346   int blocked_get_cookies_count_;
 347   int blocked_set_cookie_count_;
 348   int set_cookie_count_;
 349   int observed_before_proxy_headers_sent_callbacks_;
 350   int before_send_headers_count_;
 351   int headers_received_count_;
 352   // Last observed proxy in before proxy header sent callback.
 353   HostPortPair last_observed_proxy_;
 354
 355   // NetworkDelegate callbacks happen in a particular order (e.g.
 356   // OnBeforeURLRequest is always called before OnBeforeSendHeaders).
 357   // This bit-set indicates for each request id (key) what events may be sent
 358   // next.
 359   std::map<int, int> next_states_;
 360
 361   // A log that records for each request id (key) the order in which On...
 362   // functions were called.
 363   std::map<int, std::string> event_order_;
 364
 365   LoadTimingInfo load_timing_info_before_redirect_;
 366   bool has_load_timing_info_before_redirect_;
 367
 368   LoadTimingInfo load_timing_info_before_auth_;
 369   bool has_load_timing_info_before_auth_;
 370
 371   bool can_access_files_;  // true by default
 372   bool can_throttle_requests_;  // true by default
 373   bool cancel_request_with_policy_violating_referrer_;  // false by default
 374   bool will_be_intercepted_on_next_error_;
 375 };
 376
 377 // Overrides the host used by the LocalHttpTestServer in
 378 // url_request_unittest.cc . This is used by the chrome_frame_net_tests due to
 379 // a mysterious bug when tests execute over the loopback adapter. See
 380 // http://crbug.com/114369 .
 381 class ScopedCustomUrlRequestTestHttpHost {
 382  public:
 383   // Sets the host name to be used. The previous hostname will be stored and
 384   // restored upon destruction. Note that if the lifetimes of two or more
 385   // instances of this class overlap, they must be strictly nested.
 386   explicit ScopedCustomUrlRequestTestHttpHost(const std::string& new_value);
 387
 388   ~ScopedCustomUrlRequestTestHttpHost();
 389
 390   // Returns the current value to be used by HTTP tests in
 391   // url_request_unittest.cc .
 392   static const std::string& value();
 393
 394  private:
 395   static std::string value_;
 396   const std::string old_value_;
 397   const std::string new_value_;
 398
 399   DISALLOW_COPY_AND_ASSIGN(ScopedCustomUrlRequestTestHttpHost);
 400 };
 401
 402 //-----------------------------------------------------------------------------
 403
 404 // A simple ProtocolHandler that returns a pre-built URLRequestJob only once.
 405 class TestJobInterceptor : public URLRequestJobFactory::ProtocolHandler {
 406  public:
 407   TestJobInterceptor();
 408
 409   URLRequestJob* MaybeCreateJob(
 410       URLRequest* request,
 411       NetworkDelegate* network_delegate) const override;
 412   void set_main_intercept_job(URLRequestJob* job);
 413
 414  private:
 415   mutable URLRequestJob* main_intercept_job_;
 416 };
 417
 418 }  // namespace net
 419
 420 #endif  // NET_URL_REQUEST_URL_REQUEST_TEST_UTIL_H_