Record errors that trigger a data reduction proxy bypass

net/proxy/proxy_service_unittest.cc

 // Copyright (c) 2012 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 "net/proxy/proxy_service.h"
 
 #include <vector>
 
 #include "base/format_macros.h"
 #include "base/logging.h"
@@ skipping 297 matching lines @@
 
   EXPECT_FALSE(info.proxy_resolve_start_time().is_null());
   EXPECT_FALSE(info.proxy_resolve_end_time().is_null());
   EXPECT_LE(info.proxy_resolve_start_time(), info.proxy_resolve_end_time());
 
   // Now, imagine that connecting to foopy:8080 fails: there is nothing
   // left to fallback to, since our proxy list was NOT terminated by
   // DIRECT.
   TestCompletionCallback callback2;
   rv = service.ReconsiderProxyAfterError(
-      url, &info, callback2.callback(), NULL, BoundNetLog());
+      url, net::ERR_PROXY_CONNECTION_FAILED,
+      &info, callback2.callback(), NULL, BoundNetLog());
   // ReconsiderProxyAfterError returns error indicating nothing left.
   EXPECT_EQ(ERR_FAILED, rv);
   EXPECT_TRUE(info.is_empty());
 }
 
 // Test that if the execution of the PAC script fails (i.e. javascript runtime
 // error), and the PAC settings are non-mandatory, that we fall-back to direct.
 TEST_F(ProxyServiceTest, PAC_RuntimeError) {
   MockProxyConfigService* config_service =
       new MockProxyConfigService("http://foopy/proxy.pac");
@@ skipping 74 matching lines @@
   // Set the result in proxy resolver.
   resolver->pending_requests()[0]->results()->UsePacString(
       "DIRECT ; PROXY foobar:10 ; DIRECT ; PROXY foobar:20");
   resolver->pending_requests()[0]->CompleteNow(OK);
 
   EXPECT_EQ(OK, callback1.WaitForResult());
   EXPECT_TRUE(info.is_direct());
 
   // Fallback 1.
   TestCompletionCallback callback2;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback2.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback2.callback(), NULL,
                                          BoundNetLog());
   EXPECT_EQ(OK, rv);
   EXPECT_FALSE(info.is_direct());
   EXPECT_EQ("foobar:10", info.proxy_server().ToURI());
 
   // Fallback 2.
   TestCompletionCallback callback3;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback3.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback3.callback(), NULL,
                                          BoundNetLog());
   EXPECT_EQ(OK, rv);
   EXPECT_TRUE(info.is_direct());
 
   // Fallback 3.
   TestCompletionCallback callback4;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback4.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback4.callback(), NULL,
                                          BoundNetLog());
   EXPECT_EQ(OK, rv);
   EXPECT_FALSE(info.is_direct());
   EXPECT_EQ("foobar:20", info.proxy_server().ToURI());
 
   // Fallback 4 -- Nothing to fall back to!
   TestCompletionCallback callback5;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback5.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback5.callback(), NULL,
                                          BoundNetLog());
   EXPECT_EQ(ERR_FAILED, rv);
   EXPECT_TRUE(info.is_empty());
 }
 
 TEST_F(ProxyServiceTest, PAC_ConfigSourcePropagates) {
   // Test whether the ProxyConfigSource set by the ProxyConfigService is applied
   // to ProxyInfo after the proxy is resolved via a PAC script.
   ProxyConfig config =
       ProxyConfig::CreateFromCustomPacURL(GURL("http://foopy/proxy.pac"));
@@ skipping 274 matching lines @@
   EXPECT_EQ("foopy1:8080", info.proxy_server().ToURI());
 
   EXPECT_FALSE(info.proxy_resolve_start_time().is_null());
   EXPECT_FALSE(info.proxy_resolve_end_time().is_null());
   EXPECT_LE(info.proxy_resolve_start_time(), info.proxy_resolve_end_time());
   base::TimeTicks proxy_resolve_start_time = info.proxy_resolve_start_time();
   base::TimeTicks proxy_resolve_end_time = info.proxy_resolve_end_time();
 
   // Fake an error on the proxy.
   TestCompletionCallback callback2;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback2.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback2.callback(), NULL,
                                          BoundNetLog());
   EXPECT_EQ(OK, rv);
 
   // Proxy times should not have been modified by fallback.
   EXPECT_EQ(proxy_resolve_start_time, info.proxy_resolve_start_time());
   EXPECT_EQ(proxy_resolve_end_time, info.proxy_resolve_end_time());
 
   // The second proxy should be specified.
   EXPECT_EQ("foopy2:9090", info.proxy_server().ToURI());
   // Report back that the second proxy worked.  This will globally mark the
@@ skipping 21 matching lines @@
   // Proxy times should have been updated, so get them again.
   EXPECT_LE(proxy_resolve_end_time, info.proxy_resolve_start_time());
   EXPECT_FALSE(info.proxy_resolve_start_time().is_null());
   EXPECT_FALSE(info.proxy_resolve_end_time().is_null());
   EXPECT_LE(info.proxy_resolve_start_time(), info.proxy_resolve_end_time());
   proxy_resolve_start_time = info.proxy_resolve_start_time();
   proxy_resolve_end_time = info.proxy_resolve_end_time();
 
   // We fake another error. It should now try the third one.
   TestCompletionCallback callback4;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback4.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback4.callback(), NULL,
                                          BoundNetLog());
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("foopy2:9090", info.proxy_server().ToURI());
 
   // We fake another error. At this point we have tried all of the
   // proxy servers we thought were valid; next we try the proxy server
   // that was in our bad proxies map (foopy1:8080).
   TestCompletionCallback callback5;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback5.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback5.callback(), NULL,
                                          BoundNetLog());
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("foopy1:8080", info.proxy_server().ToURI());
 
   // Fake another error, the last proxy is gone, the list should now be empty,
   // so there is nothing left to try.
   TestCompletionCallback callback6;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback6.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback6.callback(), NULL,
                                          BoundNetLog());
   EXPECT_EQ(ERR_FAILED, rv);
   EXPECT_FALSE(info.is_direct());
   EXPECT_TRUE(info.is_empty());
 
   // Proxy times should not have been modified by fallback.
   EXPECT_EQ(proxy_resolve_start_time, info.proxy_resolve_start_time());
   EXPECT_EQ(proxy_resolve_end_time, info.proxy_resolve_end_time());
 
   // Look up proxies again
@@ skipping 53 matching lines @@
       "PROXY foopy1:8080; PROXY foopy2:9090; DIRECT");
   resolver->pending_requests()[0]->CompleteNow(OK);
 
   // Get the first result.
   EXPECT_EQ(OK, callback1.WaitForResult());
   EXPECT_FALSE(info.is_direct());
   EXPECT_EQ("foopy1:8080", info.proxy_server().ToURI());
 
   // Fake an error on the proxy.
   TestCompletionCallback callback2;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback2.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback2.callback(), NULL,
                                          BoundNetLog());
   EXPECT_EQ(OK, rv);
 
   // Now we get back the second proxy.
   EXPECT_EQ("foopy2:9090", info.proxy_server().ToURI());
 
   // Fake an error on this proxy as well.
   TestCompletionCallback callback3;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback3.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback3.callback(), NULL,
                                          BoundNetLog());
   EXPECT_EQ(OK, rv);
 
   // Finally, we get back DIRECT.
   EXPECT_TRUE(info.is_direct());
 
   EXPECT_FALSE(info.proxy_resolve_start_time().is_null());
   EXPECT_FALSE(info.proxy_resolve_end_time().is_null());
   EXPECT_LE(info.proxy_resolve_start_time(), info.proxy_resolve_end_time());
 
   // Now we tell the proxy service that even DIRECT failed.
   TestCompletionCallback callback4;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback4.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback4.callback(), NULL,
                                          BoundNetLog());
   // There was nothing left to try after DIRECT, so we are out of
   // choices.
   EXPECT_EQ(ERR_FAILED, rv);
 }
 
 TEST_F(ProxyServiceTest, ProxyFallback_NewSettings) {
   // Test proxy failover when new settings are available.
 
   MockProxyConfigService* config_service =
@@ skipping 27 matching lines @@
   // The first item is valid.
   EXPECT_EQ(OK, callback1.WaitForResult());
   EXPECT_FALSE(info.is_direct());
   EXPECT_EQ("foopy1:8080", info.proxy_server().ToURI());
 
   // Fake an error on the proxy, and also a new configuration on the proxy.
   config_service->SetConfig(
       ProxyConfig::CreateFromCustomPacURL(GURL("http://foopy-new/proxy.pac")));
 
   TestCompletionCallback callback2;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback2.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback2.callback(), NULL,
                                          BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   EXPECT_EQ(GURL("http://foopy-new/proxy.pac"),
             resolver->pending_set_pac_script_request()->script_data()->url());
   resolver->pending_set_pac_script_request()->CompleteNow(OK);
 
   ASSERT_EQ(1u, resolver->pending_requests().size());
   EXPECT_EQ(url, resolver->pending_requests()[0]->url());
 
   resolver->pending_requests()[0]->results()->UseNamedProxy(
       "foopy1:8080;foopy2:9090");
   resolver->pending_requests()[0]->CompleteNow(OK);
 
   // The first proxy is still there since the configuration changed.
   EXPECT_EQ(OK, callback2.WaitForResult());
   EXPECT_EQ("foopy1:8080", info.proxy_server().ToURI());
 
   // We fake another error. It should now ignore the first one.
   TestCompletionCallback callback3;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback3.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback3.callback(), NULL,
                                          BoundNetLog());
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("foopy2:9090", info.proxy_server().ToURI());
 
   // We simulate a new configuration.
   config_service->SetConfig(
       ProxyConfig::CreateFromCustomPacURL(
           GURL("http://foopy-new2/proxy.pac")));
 
   // We fake another error. It should go back to the first proxy.
   TestCompletionCallback callback4;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback4.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback4.callback(), NULL,
                                          BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   EXPECT_EQ(GURL("http://foopy-new2/proxy.pac"),
             resolver->pending_set_pac_script_request()->script_data()->url());
   resolver->pending_set_pac_script_request()->CompleteNow(OK);
 
   ASSERT_EQ(1u, resolver->pending_requests().size());
   EXPECT_EQ(url, resolver->pending_requests()[0]->url());
 
@@ skipping 38 matching lines @@
       "foopy1:8080;foopy2:9090");
   resolver->pending_requests()[0]->CompleteNow(OK);
 
   // The first item is valid.
   EXPECT_EQ(OK, callback1.WaitForResult());
   EXPECT_FALSE(info.is_direct());
   EXPECT_EQ("foopy1:8080", info.proxy_server().ToURI());
 
   // Fake a proxy error.
   TestCompletionCallback callback2;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback2.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback2.callback(), NULL,
                                          BoundNetLog());
   EXPECT_EQ(OK, rv);
 
   // The first proxy is ignored, and the second one is selected.
   EXPECT_FALSE(info.is_direct());
   EXPECT_EQ("foopy2:9090", info.proxy_server().ToURI());
 
   // Fake a PAC failure.
   ProxyInfo info2;
   TestCompletionCallback callback3;
@@ skipping 11 matching lines @@
   // to a DIRECT connection.
   EXPECT_EQ(OK, callback3.WaitForResult());
   EXPECT_TRUE(info2.is_direct());
   EXPECT_FALSE(info2.is_empty());
 
   // The PAC script will work properly next time and successfully return a
   // proxy list. Since we have not marked the configuration as bad, it should
   // "just work" the next time we call it.
   ProxyInfo info3;
   TestCompletionCallback callback4;
-  rv = service.ReconsiderProxyAfterError(url, &info3, callback4.callback(),
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info3, callback4.callback(),
                                          NULL, BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   ASSERT_EQ(1u, resolver->pending_requests().size());
   EXPECT_EQ(url, resolver->pending_requests()[0]->url());
 
   resolver->pending_requests()[0]->results()->UseNamedProxy(
       "foopy1:8080;foopy2:9090");
   resolver->pending_requests()[0]->CompleteNow(OK);
 
@@ skipping 40 matching lines @@
       "foopy1:8080;foopy2:9090");
   resolver->pending_requests()[0]->CompleteNow(OK);
 
   // The first item is valid.
   EXPECT_EQ(OK, callback1.WaitForResult());
   EXPECT_FALSE(info.is_direct());
   EXPECT_EQ("foopy1:8080", info.proxy_server().ToURI());
 
   // Fake a proxy error.
   TestCompletionCallback callback2;
-  rv = service.ReconsiderProxyAfterError(url, &info, callback2.callback(), NULL,
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info, callback2.callback(), NULL,
                                          BoundNetLog());
   EXPECT_EQ(OK, rv);
 
   // The first proxy is ignored, and the second one is selected.
   EXPECT_FALSE(info.is_direct());
   EXPECT_EQ("foopy2:9090", info.proxy_server().ToURI());
 
   // Fake a PAC failure.
   ProxyInfo info2;
   TestCompletionCallback callback3;
@@ skipping 12 matching lines @@
   EXPECT_EQ(ERR_MANDATORY_PROXY_CONFIGURATION_FAILED,
             callback3.WaitForResult());
   EXPECT_FALSE(info2.is_direct());
   EXPECT_TRUE(info2.is_empty());
 
   // The PAC script will work properly next time and successfully return a
   // proxy list. Since we have not marked the configuration as bad, it should
   // "just work" the next time we call it.
   ProxyInfo info3;
   TestCompletionCallback callback4;
-  rv = service.ReconsiderProxyAfterError(url, &info3, callback4.callback(),
+  rv = service.ReconsiderProxyAfterError(url, net::ERR_PROXY_CONNECTION_FAILED,
+                                         &info3, callback4.callback(),
                                          NULL, BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   ASSERT_EQ(1u, resolver->pending_requests().size());
   EXPECT_EQ(url, resolver->pending_requests()[0]->url());
 
   resolver->pending_requests()[0]->results()->UseNamedProxy(
       "foopy1:8080;foopy2:9090");
   resolver->pending_requests()[0]->CompleteNow(OK);
 
@@ skipping 1621 matching lines @@
   ProxyInfo info3;
   TestCompletionCallback callback3;
   rv = service.ResolveProxy(
       GURL("http://request3"), &info3, callback3.callback(), NULL,
       BoundNetLog());
   EXPECT_EQ(OK, rv);
   EXPECT_TRUE(info3.is_direct());
 }
 
 }  // namespace net