Move fetchers into mojo/shell/fetcher

mojo/fetcher/network_fetcher_unittest.cc

-// Copyright 2015 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 "mojo/fetcher/network_fetcher.h"
-
-#include <stdint.h>
-
-#include <utility>
-
-#include "base/at_exit.h"
-#include "base/auto_reset.h"
-#include "base/bind.h"
-#include "base/logging.h"
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop/message_loop.h"
-#include "base/run_loop.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
-#include "mojo/services/network/public/interfaces/url_loader.mojom.h"
-#include "mojo/services/network/public/interfaces/url_loader_factory.mojom.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace mojo {
-namespace fetcher {
-namespace {
-
-const char k200Request[] = "http://request_expect_200";
-const char k404Request[] = "http://request_expect_404";
-const char k504Request[] = "http://request_expect_504";
-const char kErrorRequest[] = "http://request_expect_error";
-
-class TestURLLoaderImpl : public URLLoader {
- public:
-  explicit TestURLLoaderImpl(InterfaceRequest<URLLoader> request)
-      : binding_(this, std::move(request)) {}
-  ~TestURLLoaderImpl() override {}
-
- private:
-  // URLLoader implementation.
-  void Start(URLRequestPtr request,
-             const Callback<void(URLResponsePtr)>& callback) override {
-    URLResponsePtr response(URLResponse::New());
-    response->url = request->url;
-    if (request->url == std::string(k200Request)) {
-      response->mime_type = "text/html";
-      response->status_code = 200;
-    } else if (request->url == std::string(k404Request)) {
-      response->mime_type = "text/html";
-      response->status_code = 404;
-    } else if (request->url == std::string(k504Request)) {
-      response->mime_type = "text/html";
-      response->status_code = 504;
-    } else {
-      response->error = NetworkError::New();
-      response->error->code = -2;
-    }
-    callback.Run(std::move(response));
-  }
-  void FollowRedirect(const Callback<void(URLResponsePtr)>& callback) override {
-    NOTREACHED();
-  }
-  void QueryStatus(
-      const Callback<void(URLLoaderStatusPtr)>& callback) override {
-    NOTREACHED();
-  }
-
-  StrongBinding<URLLoader> binding_;
-  DISALLOW_COPY_AND_ASSIGN(TestURLLoaderImpl);
-};
-
-class TestURLLoaderFactoryImpl : public URLLoaderFactory {
- public:
-  explicit TestURLLoaderFactoryImpl(InterfaceRequest<URLLoaderFactory> request)
-      : binding_(this, std::move(request)) {}
-  ~TestURLLoaderFactoryImpl() override {}
-
- private:
-  // URLLoaderFactory implementation.
-  void CreateURLLoader(InterfaceRequest<URLLoader> loader) override {
-    new TestURLLoaderImpl(std::move(loader));
-  }
-
-  StrongBinding<URLLoaderFactory> binding_;
-  DISALLOW_COPY_AND_ASSIGN(TestURLLoaderFactoryImpl);
-};
-
-class FetchCallbackHelper {
- public:
-  FetchCallbackHelper() : run_loop_(nullptr) {}
-  ~FetchCallbackHelper() {}
-
-  shell::Fetcher::FetchCallback GetCallback() {
-    return base::Bind(&FetchCallbackHelper::CallbackHandler,
-                      base::Unretained(this));
-  }
-
-  void WaitForCallback() {
-    base::RunLoop run_loop;
-    base::AutoReset<base::RunLoop*> auto_reset(&run_loop_, &run_loop);
-    run_loop.Run();
-  }
-
-  shell::Fetcher* fetcher() const { return fetcher_.get(); }
-
- private:
-  void CallbackHandler(scoped_ptr<shell::Fetcher> fetcher) {
-    fetcher_ = std::move(fetcher);
-    if (run_loop_)
-      run_loop_->Quit();
-  }
-
-  // If it is not null, it points to a stack-allocated base::RunLoop instance in
-  // WaitForCallback().
-  base::RunLoop* run_loop_;
-  scoped_ptr<shell::Fetcher> fetcher_;
-  DISALLOW_COPY_AND_ASSIGN(FetchCallbackHelper);
-};
-
-class NetworkFetcherTest : public testing::Test {
- public:
-  NetworkFetcherTest() {}
-  ~NetworkFetcherTest() override {}
-
- protected:
-  // Overridden from testing::Test:
-  void SetUp() override {
-    // Automatically destroyed when |url_loader_factory_| is closed.
-    new TestURLLoaderFactoryImpl(GetProxy(&url_loader_factory_));
-  }
-
-  // When |expect_fetch_success| is false, |expected_status_code| is ignored.
-  void TestFetchURL(const std::string& url,
-                    bool expect_fetch_success,
-                    uint32_t expected_status_code) {
-    FetchCallbackHelper helper;
-
-    URLRequestPtr request(URLRequest::New());
-    request->url = url;
-    new NetworkFetcher(true, std::move(request), url_loader_factory_.get(),
-                       helper.GetCallback());
-    helper.WaitForCallback();
-
-    if (!expect_fetch_success) {
-      ASSERT_FALSE(helper.fetcher());
-    } else {
-      ASSERT_TRUE(helper.fetcher());
-      URLResponsePtr response = helper.fetcher()->AsURLResponse(nullptr, 0);
-      ASSERT_TRUE(response);
-      EXPECT_EQ(url, response->url);
-      EXPECT_EQ(expected_status_code, response->status_code);
-    }
-  }
-
- private:
-  base::ShadowingAtExitManager at_exit_;
-  base::MessageLoop loop_;
-  URLLoaderFactoryPtr url_loader_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(NetworkFetcherTest);
-};
-
-TEST_F(NetworkFetcherTest, FetchSucceeded200) {
-  TestFetchURL(k200Request, true, 200u);
-}
-
-TEST_F(NetworkFetcherTest, FetchSucceeded404) {
-  TestFetchURL(k404Request, true, 404u);
-}
-
-TEST_F(NetworkFetcherTest, FetchSucceeded504) {
-  TestFetchURL(k504Request, true, 504u);
-}
-
-TEST_F(NetworkFetcherTest, FetchFailed) {
-  TestFetchURL(kErrorRequest, false, 0u);
-}
-
-}  // namespace
-}  // namespace fetcher
-}  // namespace mojo