[Cronet] Add CookieStoreIOS.

components/cronet/ios/test/test_server.cc

 // Copyright 2016 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/cronet/ios/test/test_server.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_util.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 #include "net/test/embedded_test_server/http_request.h"
 #include "net/test/embedded_test_server/http_response.h"
 
 namespace {
 
 const char kEchoHeaderPath[] = "/EchoHeader?";
+const char kSetCookiePath[] = "/SetCookie?";
 
 std::unique_ptr<net::EmbeddedTestServer> g_test_server;
 
 std::unique_ptr<net::test_server::HttpResponse> EchoHeaderInRequest(
     const net::test_server::HttpRequest& request) {
   std::string header_name;
   std::string header_value;
-  if (base::StartsWith(request.relative_url, kEchoHeaderPath,
-                       base::CompareCase::INSENSITIVE_ASCII)) {
-    header_name = request.relative_url.substr(strlen(kEchoHeaderPath));
-  }
+  DCHECK(base::StartsWith(request.relative_url, kEchoHeaderPath,
+                          base::CompareCase::INSENSITIVE_ASCII));
+
+  header_name = request.relative_url.substr(strlen(kEchoHeaderPath));
   auto it = request.headers.find(header_name);
   if (it != request.headers.end())
     header_value = it->second;
-  std::unique_ptr<net::test_server::BasicHttpResponse> http_response(
-      new net::test_server::BasicHttpResponse());
+  auto http_response = base::MakeUnique<net::test_server::BasicHttpResponse>();
   http_response->set_content(header_value);
   return std::move(http_response);
 }
 
+std::unique_ptr<net::test_server::HttpResponse> SetCookieInResponse(

[kapishnikov, 2016/11/18 20:58:03]

Since we echoing the cookie line in response, should we change the name of the
method to SetAndEchoCookieInResponse? Alternatively, we can document the
behavior in the header.

[mef, 2016/11/18 22:29:36]

Done.

+    const net::test_server::HttpRequest& request) {
+  std::string cookie_line;
+  DCHECK(base::StartsWith(request.relative_url, kSetCookiePath,
+                          base::CompareCase::INSENSITIVE_ASCII));
+  cookie_line = request.relative_url.substr(strlen(kSetCookiePath));
+  auto http_response = base::MakeUnique<net::test_server::BasicHttpResponse>();
+  http_response->set_content(cookie_line);
+  http_response->AddCustomHeader("Set-Cookie", cookie_line);
+  return std::move(http_response);
+}
+
+std::unique_ptr<net::test_server::HttpResponse> CronetTestRequestHandler(
+    const net::test_server::HttpRequest& request) {
+  if (base::StartsWith(request.relative_url, kEchoHeaderPath,
+                       base::CompareCase::INSENSITIVE_ASCII)) {
+    return EchoHeaderInRequest(request);
+  }
+  if (base::StartsWith(request.relative_url, kSetCookiePath,
+                       base::CompareCase::INSENSITIVE_ASCII)) {
+    return SetCookieInResponse(request);
+  }
+  return base::MakeUnique<net::test_server::BasicHttpResponse>();
+}
+
 }  // namespace
 
 namespace cronet {
 
 /* static */
 bool TestServer::Start() {
   DCHECK(!g_test_server.get());
   g_test_server = base::MakeUnique<net::EmbeddedTestServer>(
       net::EmbeddedTestServer::TYPE_HTTP);
-  g_test_server->RegisterRequestHandler(base::Bind(&EchoHeaderInRequest));
+  g_test_server->RegisterRequestHandler(base::Bind(&CronetTestRequestHandler));
   CHECK(g_test_server->Start());
   return true;
 }
 
 void TestServer::Shutdown() {
   DCHECK(g_test_server.get());
   g_test_server.reset();
 }
 
 std::string TestServer::GetEchoHeaderURL(const std::string& header_name) {
   DCHECK(g_test_server);
   return g_test_server->GetURL(kEchoHeaderPath + header_name).spec();
 }
 
+std::string TestServer::GetSetCookieURL(const std::string& cookie_line) {
+  DCHECK(g_test_server);
+  return g_test_server->GetURL(kSetCookiePath + cookie_line).spec();
+}
+
 }  // namespace cronet