Added unit tests for getCredentialsFromAuthCode.

remoting/host/setup/oauth_client.cc

-// Copyright 2013 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 "remoting/host/setup/oauth_client.h"
-
-#include "base/logging.h"
-
-namespace {
-const int kMaxGaiaRetries = 3;
-}  // namespace
-
-namespace remoting {
-
-OAuthClient::OAuthClient(
-    scoped_refptr<net::URLRequestContextGetter> url_request_context_getter)
-    : gaia_oauth_client_(url_request_context_getter.get()) {
-}
-
-OAuthClient::~OAuthClient() {
-}
-
-void OAuthClient::GetCredentialsFromAuthCode(
-    const gaia::OAuthClientInfo& oauth_client_info,
-    const std::string& auth_code,
-    CompletionCallback on_done) {
-
-  if (!on_done_.is_null()) {
-    pending_requests_.push(Request(oauth_client_info, auth_code, on_done));
-    return;
-  }
-
-  on_done_ = on_done;
-  // Map the authorization code to refresh and access tokens.
-  gaia_oauth_client_.GetTokensFromAuthCode(oauth_client_info, auth_code,
-                                           kMaxGaiaRetries, this);
-}
-
-void OAuthClient::OnGetTokensResponse(
-    const std::string& refresh_token,
-    const std::string& access_token,
-    int expires_in_seconds) {
-  refresh_token_ = refresh_token;
-  // Get the email corresponding to the access token.
-  gaia_oauth_client_.GetUserEmail(access_token, kMaxGaiaRetries, this);
-}
-
-void OAuthClient::OnRefreshTokenResponse(
-    const std::string& access_token,
-    int expires_in_seconds) {
-  // We never request a refresh token, so this call is not expected.
-  NOTREACHED();
-}
-
-void OAuthClient::SendResponse(const std::string& user_email,
-                               const std::string& refresh_token) {
-  CompletionCallback on_done = on_done_;
-  on_done_.Reset();
-  on_done.Run(user_email, refresh_token);
-
-  // Process the next request in the queue.
-  if (pending_requests_.size()) {
-    Request request = pending_requests_.front();
-    pending_requests_.pop();
-    // GetCredentialsFromAuthCode is asynchronous, so it's safe to call it here.
-    GetCredentialsFromAuthCode(
-        request.oauth_client_info, request.auth_code, request.on_done);
-  }
-}
-
-void OAuthClient::OnGetUserEmailResponse(const std::string& user_email) {
-  SendResponse(user_email, refresh_token_);
-}
-
-void OAuthClient::OnOAuthError() {
-  SendResponse("", "");
-}
-
-void OAuthClient::OnNetworkError(int response_code) {
-  SendResponse("", "");
-}
-
-OAuthClient::Request::Request(
-    const gaia::OAuthClientInfo& oauth_client_info,
-    const std::string& auth_code,
-    CompletionCallback on_done) {
-  this->oauth_client_info = oauth_client_info;
-  this->auth_code = auth_code;
-  this->on_done = on_done;
-}
-
-OAuthClient::Request::~Request() {
-}
-
-}  // namespace remoting