HTTP server for testing Google Drive.

chrome/browser/chromeos/drive/test_servers/http_test_server_unittest.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 "chrome/browser/chromeos/drive/test_servers/http_test_server.h"
+
+#include "base/threading/thread.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/test/test_browser_thread.h"
+#include "net/url_request/url_fetcher.h"
+#include "net/url_request/url_fetcher_delegate.h"
+#include "net/url_request/url_request_test_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+
+namespace drive {
+namespace test_servers {
+
+namespace {
+
+// Helper function. Sends chunk of a http request to the |parser|.
+void SendChunkToParser(HttpRequestParser* parser,
+                       const std::string& data) {
+  parser->ProcessChunk(data.data(), data.length());
+}
+
+// Helper function to receive content of a response returned after invoking
+// |fetcher|.
+std::string GetFetcherResponseContent(const net::URLFetcher* fetcher) {
+  std::string result;
+  DCHECK(fetcher->GetResponseAsString(&result));
+  return result;
+}
+
+}  // namespace
+
+class HttpTestServerTest : public testing::Test,
+                           public net::URLFetcherDelegate {
+ public:
+  HttpTestServerTest()
+    : ui_thread_(content::BrowserThread::UI, &message_loop_),
+      io_thread_(content::BrowserThread::IO) {
+  }
+
+  virtual void SetUp() OVERRIDE {
+    io_thread_.StartIOThread();
+
+    request_context_getter_ = new TestURLRequestContextGetter(
+        content::BrowserThread::GetMessageLoopProxyForThread(
+            content::BrowserThread::IO));
+  }
+
+  virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE {
+    MessageLoop::current()->Quit();
+  }
+
+ protected:
+  MessageLoopForUI message_loop_;
+  content::TestBrowserThread ui_thread_;
+  content::TestBrowserThread io_thread_;
+  scoped_refptr<TestURLRequestContextGetter> request_context_getter_;
+};
+
+TEST_F(HttpTestServerTest, ParseRequest) {

[satorux1, 2012/11/12 06:47:40]

I think the paser should be tested in http_request_unittest.cc

[mtomasz, 2012/11/12 12:17:44]

Done.

+  HttpRequestParser parser;
+
+  // Process request in chunks to check if the parser deals with border cases.
+  // Also, check multi-line headers as well as multiple requests in the same
+  // chunk. This basically should cover all the simplest border cases.
+  SendChunkToParser(&parser, "POST /foobar.html HTTP/1.1\r\n");
+  EXPECT_EQ(HttpRequestParser::WAITING, parser.ParseRequest());
+  SendChunkToParser(&parser, "Host: localhost:1234\r\n");
+  EXPECT_EQ(HttpRequestParser::WAITING, parser.ParseRequest());
+  SendChunkToParser(&parser, "Multi-line-header: abcd\r\n");
+  EXPECT_EQ(HttpRequestParser::WAITING, parser.ParseRequest());
+  SendChunkToParser(&parser, " efgh\r\n");
+  EXPECT_EQ(HttpRequestParser::WAITING, parser.ParseRequest());
+  SendChunkToParser(&parser, " ijkl\r\n");
+  EXPECT_EQ(HttpRequestParser::WAITING, parser.ParseRequest());
+  SendChunkToParser(&parser, "Content-Length: 10\r\n\r\n");
+  EXPECT_EQ(HttpRequestParser::WAITING, parser.ParseRequest());
+  // Content data and another request in the same chunk.
+  SendChunkToParser(&parser, "1234567890GET /another.html HTTP/1.1\r\n\r\n");
+  ASSERT_EQ(HttpRequestParser::ACCEPTED, parser.ParseRequest());
+
+  // Fetch the first request and validate it.
+  {
+    scoped_ptr<HttpRequest> request = parser.GetRequest();
+    EXPECT_EQ("http://localhost/foobar.html", request->uri.spec());
+    EXPECT_EQ(POST, request->method);
+    EXPECT_EQ("1234567890", request->content);
+    ASSERT_EQ(3u, request->headers.size());
+
+    EXPECT_EQ(1u, request->headers.count("Host"));
+    EXPECT_EQ(1u, request->headers.count("Multi-line-header"));
+    EXPECT_EQ(1u, request->headers.count("Content-Length"));
+
+    EXPECT_EQ("localhost:1234", request->headers["Host"]);
+    EXPECT_EQ("abcd\nefgh\nijkl", request->headers["Multi-line-header"]);
+    EXPECT_EQ("10", request->headers["Content-Length"]);
+  }
+
+  // Fetch the second request and roughly check it.
+  {
+    ASSERT_EQ(HttpRequestParser::ACCEPTED, parser.ParseRequest());
+    scoped_ptr<HttpRequest> request = parser.GetRequest();
+    EXPECT_EQ("http://localhost/another.html", request->uri.spec());
+    EXPECT_EQ(GET, request->method);
+    EXPECT_EQ("", request->content);
+    EXPECT_EQ(0u, request->headers.size());
+  }
+
+  // No other request available yet.
+  EXPECT_EQ(HttpRequestParser::WAITING, parser.ParseRequest());
+}
+
+TEST_F(HttpTestServerTest, GenerateResponse) {

[satorux1, 2012/11/12 06:47:40]

Should test in http_response_unittest.cc

[mtomasz, 2012/11/12 12:17:44]

Done.

+  HttpResponse response;
+  response.code = SUCCESS;
+  response.content = "Sample content - Hello world!";
+  response.content_type = "text/plain";
+  response.custom_headers["Simple-Header"] = "Simple value.";
+  response.custom_headers["Multi-Line-Header"] = "Multi\nLine\nValue.";
+  std::string response_string = response.ToResponseString();
+
+  std::string request_response_string =
+      "HTTP/1.1 200 OK\r\n"
+      "Content-Length: 29\r\n"
+      "Content-Type: text/plain\r\n"
+      "Multi-Line-Header: Multi\r\n"
+      " Line\r\n"
+      " Value.\r\n"
+      "Simple-Header: Simple value.\r\n\r\n"
+      "Sample content - Hello world!";
+
+  EXPECT_EQ(request_response_string,
+            response_string);
+}
+
+TEST_F(HttpTestServerTest, TextRequest) {
+  scoped_ptr<HttpTestServer> server_ =
+      HttpTestServer::CreateForTesting();

[satorux1, 2012/11/12 06:47:40]

I think we should do this in SetUp(). This is easily if the tests above are
moved to separate files.

[mtomasz, 2012/11/12 12:17:44]

Done.

+  DCHECK(server_.get());

[satorux1, 2012/11/12 06:43:47]

ASSERT_TRUE()

[mtomasz, 2012/11/12 12:17:44]

Done.

+
+  // The simplest text response with an auto generated url.
+  GURL url1 = server_->RegisterTextResponse("Raspberry chocolate",
+                                            "text/html");
+  DCHECK(url1.spec() != "");
+
+  GURL url2 = server_->RegisterTextResponse("Vanilla chocolate",
+                                            "text/html");
+  DCHECK(url2.spec() != "");
+
+  // Response with a specified url and response code.
+  GURL url3 = server_->RegisterTextResponse(
+      "chocolate/bar.html",  // URL
+      "No chocolates",  // Dummy response text.
+      "text/plain",  // Content type.
+      NOT_FOUND);  // Response code (404 here).
+  DCHECK(url3.spec() != "");
+
+  // Set up fetchers.
+  scoped_ptr<net::URLFetcher> fetcher1 = scoped_ptr<net::URLFetcher>(
+      net::URLFetcher::Create(url1,
+                              net::URLFetcher::GET,
+                              this));
+  fetcher1->SetRequestContext(request_context_getter_.get());
+  scoped_ptr<net::URLFetcher> fetcher2 = scoped_ptr<net::URLFetcher>(
+      net::URLFetcher::Create(url2,
+                              net::URLFetcher::GET,
+                              this));
+  fetcher2->SetRequestContext(request_context_getter_.get());
+  scoped_ptr<net::URLFetcher> fetcher3 = scoped_ptr<net::URLFetcher>(
+      net::URLFetcher::Create(url3,
+                              net::URLFetcher::GET,
+                              this));
+  fetcher3->SetRequestContext(request_context_getter_.get());
+
+  // Test.
+  fetcher1->Start();
+  MessageLoop::current()->Run();
+  EXPECT_EQ(net::URLRequestStatus::SUCCESS, fetcher1->GetStatus().status());
+  EXPECT_EQ(200, fetcher1->GetResponseCode());
+  EXPECT_EQ("Raspberry chocolate", GetFetcherResponseContent(fetcher1.get()));
+
+  fetcher2->Start();
+  MessageLoop::current()->Run();
+  EXPECT_EQ(net::URLRequestStatus::SUCCESS, fetcher1->GetStatus().status());
+  EXPECT_EQ(200, fetcher2->GetResponseCode());
+  EXPECT_EQ("Vanilla chocolate", GetFetcherResponseContent(fetcher2.get()));
+
+  fetcher3->Start();
+  MessageLoop::current()->Run();
+  EXPECT_EQ(net::URLRequestStatus::SUCCESS, fetcher1->GetStatus().status());
+  EXPECT_EQ(404, fetcher3->GetResponseCode());
+  EXPECT_EQ("No chocolates", GetFetcherResponseContent(fetcher3.get()));
+}
+
+TEST_F(HttpTestServerTest, DefaultNotFoundResponse) {
+  scoped_ptr<HttpTestServer> server_ =
+      HttpTestServer::CreateForTesting();
+  DCHECK(server_.get());
+  DCHECK(server_->GetBaseURL().spec() != "");
+
+  scoped_ptr<net::URLFetcher> fetcher = scoped_ptr<net::URLFetcher>(
+      net::URLFetcher::Create(server_->GetBaseURL(),
+                              net::URLFetcher::GET,
+                              this));
+  fetcher->SetRequestContext(request_context_getter_.get());
+
+  fetcher->Start();
+  MessageLoop::current()->Run();
+  EXPECT_EQ(net::URLRequestStatus::SUCCESS, fetcher->GetStatus().status());
+  EXPECT_EQ(404, fetcher->GetResponseCode());
+}
+
+
+// TODO(mtomasz): Write a test for a file response.
+
+}  // namespace test_servers
+}  // namespace drive