Basic implementation of the Sync C++ fake server

chrome/browser/sync/test/integration/sync_test.cc

Index: chrome/browser/sync/test/integration/sync_test.cc
diff --git a/chrome/browser/sync/test/integration/sync_test.cc b/chrome/browser/sync/test/integration/sync_test.cc
index b6297c7e647fddc43ad0b8b0015c634d0051b65e..b5b0f3fab57180c43a6b485ee7d5b043caab57a4 100644
--- a/chrome/browser/sync/test/integration/sync_test.cc
+++ b/chrome/browser/sync/test/integration/sync_test.cc
@@ -60,6 +60,8 @@
 #include "sync/engine/sync_scheduler_impl.h"
 #include "sync/notifier/p2p_invalidator.h"
 #include "sync/protocol/sync.pb.h"
+#include "sync/test/fake_server/fake_server.h"
+#include "sync/test/fake_server/fake_server_network_resources.h"
 #include "url/gurl.h"
 
 using content::BrowserThread;
@@ -143,30 +145,34 @@ void SyncTest::SetUp() {
     password_ = "password";
   }
 
-  if (!cl->HasSwitch(switches::kSyncServiceURL) &&
-      !cl->HasSwitch(switches::kSyncServerCommandLine)) {
-    // If neither a sync server URL nor a sync server command line is
-    // provided, start up a local python sync test server and point Chrome
-    // to its URL.  This is the most common configuration, and the only
-    // one that makes sense for most developers.
-    server_type_ = LOCAL_PYTHON_SERVER;
-  } else if (cl->HasSwitch(switches::kSyncServiceURL) &&
-             cl->HasSwitch(switches::kSyncServerCommandLine)) {
-    // If a sync server URL and a sync server command line are provided,
-    // start up a local sync server by running the command line. Chrome
-    // will connect to the server at the URL that was provided.
-    server_type_ = LOCAL_LIVE_SERVER;
-  } else if (cl->HasSwitch(switches::kSyncServiceURL) &&
-             !cl->HasSwitch(switches::kSyncServerCommandLine)) {
-    // If a sync server URL is provided, but not a server command line,
-    // it is assumed that the server is already running. Chrome will
-    // automatically connect to it at the URL provided. There is nothing
-    // to do here.
-    server_type_ = EXTERNAL_LIVE_SERVER;
-  } else {
-    // If a sync server command line is provided, but not a server URL,
-    // we flag an error.
-    LOG(FATAL) << "Can't figure out how to run a server.";
+  // Only set |server_type_| if it hasn't already been set. This allows for
+  // IN_PROCESS_FAKE_SERVER tests to set this value in each test class.
+  if (server_type_ == SERVER_TYPE_UNDECIDED) {
+    if (!cl->HasSwitch(switches::kSyncServiceURL) &&
+        !cl->HasSwitch(switches::kSyncServerCommandLine)) {
+      // If neither a sync server URL nor a sync server command line is
+      // provided, start up a local python sync test server and point Chrome
+      // to its URL.  This is the most common configuration, and the only
+      // one that makes sense for most developers.
+      server_type_ = LOCAL_PYTHON_SERVER;
+    } else if (cl->HasSwitch(switches::kSyncServiceURL) &&
+               cl->HasSwitch(switches::kSyncServerCommandLine)) {
+      // If a sync server URL and a sync server command line are provided,
+      // start up a local sync server by running the command line. Chrome
+      // will connect to the server at the URL that was provided.
+      server_type_ = LOCAL_LIVE_SERVER;
+    } else if (cl->HasSwitch(switches::kSyncServiceURL) &&
+               !cl->HasSwitch(switches::kSyncServerCommandLine)) {
+      // If a sync server URL is provided, but not a server command line,
+      // it is assumed that the server is already running. Chrome will
+      // automatically connect to it at the URL provided. There is nothing
+      // to do here.
+      server_type_ = EXTERNAL_LIVE_SERVER;
+    } else {
+      // If a sync server command line is provided, but not a server URL,
+      // we flag an error.
+      LOG(FATAL) << "Can't figure out how to run a server.";
+    }
   }
 
   if (username_.empty() || password_.empty())
@@ -316,7 +322,15 @@ void SyncTest::InitializeInstance(int index) {
   // Make sure the ProfileSyncService has been created before creating the
   // ProfileSyncServiceHarness - some tests expect the ProfileSyncService to
   // already exist.
-  ProfileSyncServiceFactory::GetForProfile(GetProfile(index));
+  ProfileSyncService* profile_sync_service =
+      ProfileSyncServiceFactory::GetForProfile(GetProfile(index));
+
+  if (server_type_ == IN_PROCESS_FAKE_SERVER) {
+    // TODO(pvalenzuela): Run the fake server via EmbeddedTestServer.
+    profile_sync_service->OverrideNetworkResourcesForTest(
+        make_scoped_ptr<syncer::NetworkResources>(
+            new syncer::FakeServerNetworkResources(fake_server_.get())));
+  }
 
   clients_[index] =
       ProfileSyncServiceHarness::CreateForIntegrationTest(
@@ -509,6 +523,11 @@ void SyncTest::SetUpTestServerIfRequired() {
       LOG(FATAL) << "Failed to set up local python XMPP server";
     if (!SetUpLocalTestServer())
       LOG(FATAL) << "Failed to set up local test server";
+  } else if (server_type_ == IN_PROCESS_FAKE_SERVER) {
+    fake_server_.reset(new syncer::FakeServer());
+    // Similar to LOCAL_LIVE_SERVER, we must start this for XMPP.
+    SetUpLocalPythonTestServer();
+    SetupMockGaiaResponses();
   } else if (server_type_ == EXTERNAL_LIVE_SERVER) {
     // Nothing to do; we'll just talk to the URL we were given.
   } else {
@@ -862,3 +881,8 @@ void SyncTest::SetProxyConfig(net::URLRequestContextGetter* context_getter,
                  make_scoped_refptr(context_getter), proxy_config));
   done.Wait();
 }
+
+void SyncTest::UseFakeServer() {
+  DCHECK_EQ(SERVER_TYPE_UNDECIDED, server_type_);
+  server_type_ = IN_PROCESS_FAKE_SERVER;
+}