Begin abstracting sending of IPC from autofill core code.

components/autofill/content/browser/autofill_driver_impl_unittest.cc

 // Copyright 2013 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 <algorithm>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "components/autofill/content/browser/autofill_driver_impl.h"
+#include "components/autofill/core/browser/autofill_common_test.h"
 #include "components/autofill/core/browser/autofill_external_delegate.h"
 #include "components/autofill/core/browser/autofill_manager.h"
 #include "components/autofill/core/browser/test_autofill_manager_delegate.h"
+#include "components/autofill/core/common/autofill_messages.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/frame_navigate_params.h"
+#include "content/public/test/mock_render_process_host.h"
+#include "ipc/ipc_test_sink.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace autofill {
 
 namespace {
 
 const std::string kAppLocale = "en-US";
 const AutofillManager::AutofillDownloadManagerState kDownloadState =
     AutofillManager::DISABLE_AUTOFILL_DOWNLOAD_MANAGER;
@@ skipping 40 matching lines @@
   }
 
   virtual void TearDown() OVERRIDE {
     // Reset the driver now to cause all pref observers to be removed and avoid
     // crashes that otherwise occur in the destructor.
     driver_.reset();
     ChromeRenderViewHostTestHarness::TearDown();
   }
 
  protected:
+  // Searches for an |AutofillMsg_FormDataFilled| message in the queue of sent
+  // IPC messages. If none is present, returns false. Otherwise, extracts the
+  // first |AutofillMsg_FormDataFilled| message, fills the output parameters
+  // with the values of the message's parameters, and clears the queue of sent
+  // messages.
+  bool GetAutofillFormDataFilledMessage(int* page_id, FormData* results) {
+    const uint32 kMsgID = AutofillMsg_FormDataFilled::ID;
+    const IPC::Message* message =
+        process()->sink().GetFirstMessageMatching(kMsgID);
+    if (!message)
+      return false;
+    Tuple2<int, FormData> autofill_param;
+    AutofillMsg_FormDataFilled::Read(message, &autofill_param);
+    if (page_id)
+      *page_id = autofill_param.a;
+    if (results)
+      *results = autofill_param.b;
+
+    process()->sink().ClearMessages();
+    return true;
+  }
+
   scoped_ptr<TestAutofillManagerDelegate> test_manager_delegate_;
   scoped_ptr<TestAutofillDriverImpl> driver_;
 };
 
 TEST_F(AutofillDriverImplTest, NavigatedToDifferentPage) {
   EXPECT_CALL(*driver_->mock_autofill_manager(), Reset());
   content::LoadCommittedDetails details = content::LoadCommittedDetails();
   details.is_main_frame = true;
   details.is_in_page = false;
   ASSERT_TRUE(details.is_navigation_to_different_page());
   content::FrameNavigateParams params = content::FrameNavigateParams();
   driver_->DidNavigateMainFrame(details, params);
 }
 
 TEST_F(AutofillDriverImplTest, NavigatedWithinSamePage) {
   EXPECT_CALL(*driver_->mock_autofill_manager(), Reset()).Times(0);
   content::LoadCommittedDetails details = content::LoadCommittedDetails();
   details.is_main_frame = false;
   ASSERT_TRUE(!details.is_navigation_to_different_page());
   content::FrameNavigateParams params = content::FrameNavigateParams();
   driver_->DidNavigateMainFrame(details, params);
 }
 
+TEST_F(AutofillDriverImplTest, FormDataSentToRenderer) {
+  int input_page_id = 42;
+  FormData input_form_data;
+  test::CreateTestAddressFormData(&input_form_data);
+  driver_->SendFormDataToRenderer(input_page_id, input_form_data);
+
+  int output_page_id = 0;
+  FormData output_form_data;
+  EXPECT_TRUE(GetAutofillFormDataFilledMessage(&output_page_id,
+                                               &output_form_data));
+  EXPECT_EQ(input_page_id, output_page_id);
+  EXPECT_EQ(input_form_data, output_form_data);
+}
+
 }  // namespace autofill