Refactor FeedbackData and add tests.

components/feedback/feedback_data_unittest.cc

+// Copyright 2014 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 "components/feedback/feedback_data.h"
+
+#include <set>
+
+#include "base/message_loop/message_loop.h"
+#include "base/prefs/testing_pref_service.h"
+#include "base/run_loop.h"
+#include "components/feedback/feedback_uploader.h"
+#include "components/feedback/feedback_uploader_factory.h"
+#include "components/keyed_service/core/keyed_service.h"
+#include "components/user_prefs/user_prefs.h"
+#include "content/public/test/test_browser_context.h"
+#include "content/public/test/test_browser_thread.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+const char kHistograms[] = "";
+const char kImageData[] = "";
+const char kFileData[] = "";
+
+const base::TimeDelta kRetryDelayForTest =
+    base::TimeDelta::FromMilliseconds(100);
+
+using content::BrowserThread;
+
+class MockUploader : public feedback::FeedbackUploader, public KeyedService {
+ public:
+  MockUploader(content::BrowserContext* context)
+      : FeedbackUploader(context ? context->GetPath() : base::FilePath(),
+                         BrowserThread::GetBlockingPool()) {}
+
+  MOCK_METHOD1(DispatchReport, void(const std::string&));
+};
+
+MockUploader *g_uploader;
+
+KeyedService* CreateFeedbackUploaderService(content::BrowserContext* context) {
+  if (!g_uploader)
+    g_uploader = new MockUploader(context);
+  EXPECT_CALL(*g_uploader, DispatchReport(testing::_)).Times(1);
+  return g_uploader;
+}
+
+scoped_ptr<std::string> MakeScoped(const char* str) {
+  return scoped_ptr<std::string>(new std::string(str));
+}
+
+}  // namespace
+
+namespace feedback {
+
+class FeedbackDataTest : public testing::Test {
+ protected:
+  FeedbackDataTest()
+      : context_(new content::TestBrowserContext()),
+        data_(new FeedbackData()),
+        ui_thread_(content::BrowserThread::UI, &message_loop_) {
+    user_prefs::UserPrefs::Set(context_.get(), new TestingPrefServiceSimple());
+    data_->set_context(context_.get());
+    data_->set_send_report_callback(base::Bind(
+        &FeedbackDataTest::set_send_report_callback, base::Unretained(this)));
+
+    FeedbackUploaderFactory::GetInstance()->SetTestingFactory(
+        context_.get(), &CreateFeedbackUploaderService);
+  }
+
+  void Send() {
+    bool attached_file_completed =
+        data_->attached_file_uuid().empty();
+    bool screenshot_completed =
+        data_->screenshot_uuid().empty();
+
+    if (screenshot_completed && attached_file_completed) {
+      data_->OnFeedbackPageDataComplete();
+    }
+  }
+
+  void RunMessageLoop() {
+    run_loop_.reset(new base::RunLoop());
+    quit_closure_ = run_loop_->QuitClosure();
+    run_loop_->Run();
+  }
+
+  void set_send_report_callback(scoped_refptr<FeedbackData> data) {
+    quit_closure_.Run();
+  }
+
+  base::Closure quit_closure_;
+  scoped_ptr<base::RunLoop> run_loop_;
+  scoped_ptr<content::TestBrowserContext> context_;
+  scoped_refptr<FeedbackData> data_;
+  base::MessageLoop message_loop_;
+  content::TestBrowserThread ui_thread_;
+};
+
+TEST_F(FeedbackDataTest, ReportSending) {
+  data_->SetAndCompressHistograms(MakeScoped(kHistograms).Pass());
+  data_->set_image(MakeScoped(kImageData).Pass());
+  data_->AttachAndCompressFileData(MakeScoped(kFileData).Pass());
+  Send();
+  RunMessageLoop();
+  EXPECT_TRUE(data_->IsDataComplete());
+  delete g_uploader;
+  g_uploader = NULL;
+}
+
+}  // namespace feedback