Move url_request_mock_http_job to net/test/url_request/

content/test/net/url_request_mock_http_job.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 "content/test/net/url_request_mock_http_job.h"
-
-#include "base/files/file_util.h"
-#include "base/message_loop/message_loop.h"
-#include "base/strings/string_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/threading/sequenced_worker_pool.h"
-#include "base/threading/thread_restrictions.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/common/url_constants.h"
-#include "net/base/filename_util.h"
-#include "net/http/http_response_headers.h"
-#include "net/url_request/url_request_filter.h"
-#include "net/url_request/url_request_interceptor.h"
-
-const char kMockHostname[] = "mock.http";
-const base::FilePath::CharType kMockHeaderFileSuffix[] =
-    FILE_PATH_LITERAL(".mock-http-headers");
-
-namespace content {
-
-namespace {
-
-class MockJobInterceptor : public net::URLRequestInterceptor {
- public:
-  // When |map_all_requests_to_base_path| is true, all request should return the
-  // contents of the file at |base_path|. When |map_all_requests_to_base_path|
-  // is false, |base_path| is the file path leading to the root of the directory
-  // to use as the root of the HTTP server.
-  MockJobInterceptor(const base::FilePath& base_path,
-                     bool map_all_requests_to_base_path)
-      : base_path_(base_path),
-        map_all_requests_to_base_path_(map_all_requests_to_base_path) {}
-  virtual ~MockJobInterceptor() {}
-
-  // net::URLRequestJobFactory::ProtocolHandler implementation
-  virtual net::URLRequestJob* MaybeInterceptRequest(
-      net::URLRequest* request,
-      net::NetworkDelegate* network_delegate) const OVERRIDE {
-    return new URLRequestMockHTTPJob(request, network_delegate,
-        map_all_requests_to_base_path_ ? base_path_ : GetOnDiskPath(request));
-  }
-
- private:
-  base::FilePath GetOnDiskPath(net::URLRequest* request) const {
-    // Conceptually we just want to "return base_path_ + request->url().path()".
-    // But path in the request URL is in URL space (i.e. %-encoded spaces).
-    // So first we convert base FilePath to a URL, then append the URL
-    // path to that, and convert the final URL back to a FilePath.
-    GURL file_url(net::FilePathToFileURL(base_path_));
-    std::string url = file_url.spec() + request->url().path();
-    base::FilePath file_path;
-    net::FileURLToFilePath(GURL(url), &file_path);
-    return file_path;
-  }
-
-  const base::FilePath base_path_;
-  const bool map_all_requests_to_base_path_;
-
-  DISALLOW_COPY_AND_ASSIGN(MockJobInterceptor);
-};
-
-}  // namespace
-
-// static
-void URLRequestMockHTTPJob::AddUrlHandler(const base::FilePath& base_path) {
-  // Add kMockHostname to net::URLRequestFilter.
-  net::URLRequestFilter* filter = net::URLRequestFilter::GetInstance();
-  filter->AddHostnameInterceptor(
-      "http", kMockHostname, CreateInterceptor(base_path));
-}
-
-// static
-void URLRequestMockHTTPJob::AddHostnameToFileHandler(
-    const std::string& hostname,
-    const base::FilePath& file) {
-  net::URLRequestFilter* filter = net::URLRequestFilter::GetInstance();
-  filter->AddHostnameInterceptor(
-      "http", hostname, CreateInterceptorForSingleFile(file));
-}
-
-// static
-GURL URLRequestMockHTTPJob::GetMockUrl(const base::FilePath& path) {
-  std::string url = "http://";
-  url.append(kMockHostname);
-  url.append("/");
-  std::string path_str = path.MaybeAsASCII();
-  DCHECK(!path_str.empty());  // We only expect ASCII paths in tests.
-  url.append(path_str);
-  return GURL(url);
-}
-
-// static
-GURL URLRequestMockHTTPJob::GetMockViewSourceUrl(const base::FilePath& path) {
-  std::string url = kViewSourceScheme;
-  url.append(":");
-  url.append(GetMockUrl(path).spec());
-  return GURL(url);
-}
-
-// static
-scoped_ptr<net::URLRequestInterceptor>
-URLRequestMockHTTPJob::CreateInterceptor(const base::FilePath& base_path) {
-  return scoped_ptr<net::URLRequestInterceptor>(
-      new MockJobInterceptor(base_path, false));
-}
-
-// static
-scoped_ptr<net::URLRequestInterceptor>
-URLRequestMockHTTPJob::CreateInterceptorForSingleFile(
-    const base::FilePath& file) {
-  return scoped_ptr<net::URLRequestInterceptor>(
-      new MockJobInterceptor(file, true));
-}
-
-URLRequestMockHTTPJob::URLRequestMockHTTPJob(
-    net::URLRequest* request, net::NetworkDelegate* network_delegate,
-    const base::FilePath& file_path)
-    : net::URLRequestFileJob(
-          request, network_delegate, file_path,
-          content::BrowserThread::GetBlockingPool()->
-              GetTaskRunnerWithShutdownBehavior(
-                  base::SequencedWorkerPool::SKIP_ON_SHUTDOWN)) {}
-
-URLRequestMockHTTPJob::~URLRequestMockHTTPJob() { }
-
-// Public virtual version.
-void URLRequestMockHTTPJob::GetResponseInfo(net::HttpResponseInfo* info) {
-  // Forward to private const version.
-  GetResponseInfoConst(info);
-}
-
-bool URLRequestMockHTTPJob::IsRedirectResponse(GURL* location,
-                                               int* http_status_code) {
-  // Override the net::URLRequestFileJob implementation to invoke the default
-  // one based on HttpResponseInfo.
-  return net::URLRequestJob::IsRedirectResponse(location, http_status_code);
-}
-
-// Private const version.
-void URLRequestMockHTTPJob::GetResponseInfoConst(
-    net::HttpResponseInfo* info) const {
-  // We have to load our headers from disk, but we only use this class
-  // from tests, so allow these IO operations to happen on any thread.
-  base::ThreadRestrictions::ScopedAllowIO allow_io;
-
-  base::FilePath header_file =
-      base::FilePath(file_path_.value() + kMockHeaderFileSuffix);
-  std::string raw_headers;
-  if (!base::PathExists(header_file)) {
-    // If there is no mock-http-headers file, fake a 200 OK.
-    raw_headers = "HTTP/1.0 200 OK\n";
-  } else {
-    if (!base::ReadFileToString(header_file, &raw_headers))
-      return;
-  }
-
-  // Handle CRLF line-endings.
-  ReplaceSubstringsAfterOffset(&raw_headers, 0, "\r\n", "\n");
-  // ParseRawHeaders expects \0 to end each header line.
-  ReplaceSubstringsAfterOffset(&raw_headers, 0, "\n", std::string("\0", 1));
-  info->headers = new net::HttpResponseHeaders(raw_headers);
-}
-
-bool URLRequestMockHTTPJob::GetMimeType(std::string* mime_type) const {
-  net::HttpResponseInfo info;
-  GetResponseInfoConst(&info);
-  return info.headers.get() && info.headers->GetMimeType(mime_type);
-}
-
-int URLRequestMockHTTPJob::GetResponseCode() const {
-  net::HttpResponseInfo info;
-  GetResponseInfoConst(&info);
-  // If we have headers, get the response code from them.
-  if (info.headers.get())
-    return info.headers->response_code();
-  return net::URLRequestJob::GetResponseCode();
-}
-
-bool URLRequestMockHTTPJob::GetCharset(std::string* charset) {
-  net::HttpResponseInfo info;
-  GetResponseInfo(&info);
-  return info.headers.get() && info.headers->GetCharset(charset);
-}
-
-}  // namespace content