Add a flow class to abstract all the details of minting a token for an app.

chrome/common/net/gaia/oauth2_mint_token_flow_unittest.cc

Index: chrome/common/net/gaia/oauth2_mint_token_flow_unittest.cc
===================================================================
--- chrome/common/net/gaia/oauth2_mint_token_flow_unittest.cc	(revision 0)
+++ chrome/common/net/gaia/oauth2_mint_token_flow_unittest.cc	(revision 0)
@@ -0,0 +1,195 @@
+// 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.
+//
+// A complete set of unit tests for OAuth2MintTokenFlow.
+
+#include <string>
+#include <vector>
+
+#include "base/memory/scoped_ptr.h"
+#include "chrome/common/net/gaia/gaia_urls.h"
+#include "chrome/common/net/gaia/google_service_auth_error.h"
+#include "chrome/common/net/gaia/oauth2_access_token_consumer.h"
+#include "chrome/common/net/gaia/oauth2_access_token_fetcher.h"
+#include "chrome/common/net/gaia/oauth2_mint_token_consumer.h"
+#include "chrome/common/net/gaia/oauth2_mint_token_fetcher.h"
+#include "chrome/common/net/gaia/oauth2_mint_token_flow.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using testing::_;
+using testing::Return;
+
+namespace {
+std::vector<std::string> CreateTestScopes() {
+  std::vector<std::string> scopes;
+  scopes.push_back("scope1");
+  scopes.push_back("scope2");
+  return scopes;
+}
+}
+
+class MockDelegate : public OAuth2MintTokenFlow::Delegate {
+ public:
+  MockDelegate() {}
+  ~MockDelegate() {}
+
+  MOCK_METHOD1(OnMintTokenSuccess, void(const std::string& access_token));
+  MOCK_METHOD1(OnMintTokenFailure,
+               void(const GoogleServiceAuthError& error));
+};
+
+class MockOAuth2AccessTokenFetcher : public OAuth2AccessTokenFetcher {
+ public:
+  MockOAuth2AccessTokenFetcher(OAuth2AccessTokenConsumer* consumer,
+                               net::URLRequestContextGetter* getter)
+      : OAuth2AccessTokenFetcher(consumer, getter) {}
+  ~MockOAuth2AccessTokenFetcher() {}
+
+  MOCK_METHOD4(Start,
+               void (const std::string& client_id,
+                     const std::string& client_secret,
+                     const std::string& refresh_token,
+                     const std::vector<std::string>& scopes));
+};
+
+class MockOAuth2MintTokenFetcher : public OAuth2MintTokenFetcher {
+ public:
+   MockOAuth2MintTokenFetcher(OAuth2MintTokenConsumer* consumer,
+                              net::URLRequestContextGetter* getter)
+      : OAuth2MintTokenFetcher(consumer, getter, "test") {}
+  ~MockOAuth2MintTokenFetcher() {}
+
+  MOCK_METHOD4(Start,
+               void (const std::string& oauth_login_access_token,
+                     const std::string& client_id,
+                     const std::vector<std::string>& scopes,
+                     const std::string& origin));
+};
+
+class MockOAuth2MintTokenFlow : public OAuth2MintTokenFlow {
+ public:
+  explicit MockOAuth2MintTokenFlow(MockDelegate* delegate)
+      : OAuth2MintTokenFlow(NULL, delegate) {}
+  ~MockOAuth2MintTokenFlow() {}
+
+  MOCK_METHOD0(CreateAccessTokenFetcher, OAuth2AccessTokenFetcher*());
+  MOCK_METHOD0(CreateMintTokenFetcher, OAuth2MintTokenFetcher*());
+};
+
+class OAuth2MintTokenFlowTest : public testing::Test {
+ public:
+  OAuth2MintTokenFlowTest() {
+    flow_.reset(new MockOAuth2MintTokenFlow(&delegate_));
+    access_token_fetcher_.reset(new MockOAuth2AccessTokenFetcher(
+        flow_.get(), NULL));
+    mint_token_fetcher_.reset(new MockOAuth2MintTokenFetcher(
+        flow_.get(), NULL));
+  }
+
+  virtual ~OAuth2MintTokenFlowTest() { }
+
+ protected:
+  void SetAccessTokenFetcherFailure(const std::string& rt,
+                                    const GoogleServiceAuthError& error) {
+    EXPECT_CALL(*access_token_fetcher_,
+        Start(GaiaUrls::GetInstance()->oauth2_chrome_client_id(),
+              GaiaUrls::GetInstance()->oauth2_chrome_client_secret(),
+              rt, std::vector<std::string>()))
+        .Times(1);
+    EXPECT_CALL(*flow_, CreateAccessTokenFetcher())
+        .WillOnce(Return(access_token_fetcher_.release()));
+    EXPECT_CALL(delegate_, OnMintTokenFailure(error))
+        .Times(1);
+  }
+
+  void SetAccessTokenFetcherSuccess(const std::string& rt) {
+    EXPECT_CALL(*access_token_fetcher_,
+        Start(GaiaUrls::GetInstance()->oauth2_chrome_client_id(),
+              GaiaUrls::GetInstance()->oauth2_chrome_client_secret(),
+              rt, std::vector<std::string>()))
+        .Times(1);
+    EXPECT_CALL(*flow_, CreateAccessTokenFetcher())
+        .WillOnce(Return(access_token_fetcher_.release()));
+  }
+
+  void SetMintTokenFetcherFailure(const std::string& rt,
+                                  const std::string& ext_id,
+                                  const std::string& client_id,
+                                  const std::vector<std::string>& scopes,
+                                  const GoogleServiceAuthError& error) {
+    EXPECT_CALL(*mint_token_fetcher_,
+        Start(rt, client_id, scopes, ext_id))
+        .Times(1);
+    EXPECT_CALL(*flow_, CreateMintTokenFetcher())
+        .WillOnce(Return(mint_token_fetcher_.release()));
+    EXPECT_CALL(delegate_, OnMintTokenFailure(error))
+        .Times(1);
+  }
+
+  void SetMintTokenFetcherSuccess(const std::string& rt,
+                                  const std::string& ext_id,
+                                  const std::string& client_id,
+                                  const std::vector<std::string>& scopes,
+                                  const std::string& at) {
+    EXPECT_CALL(*mint_token_fetcher_,
+        Start(rt, client_id, scopes, ext_id))
+        .Times(1);
+    EXPECT_CALL(*flow_, CreateMintTokenFetcher())
+        .WillOnce(Return(mint_token_fetcher_.release()));
+    EXPECT_CALL(delegate_, OnMintTokenSuccess(at))
+        .Times(1);
+  }
+
+  scoped_ptr<MockOAuth2MintTokenFlow> flow_;
+  scoped_ptr<MockOAuth2AccessTokenFetcher> access_token_fetcher_;
+  scoped_ptr<MockOAuth2MintTokenFetcher> mint_token_fetcher_;
+  MockDelegate delegate_;
+};
+
+TEST_F(OAuth2MintTokenFlowTest, LoginAccessTokenFailure) {
+  std::string rt = "refresh_token";
+  std::string ext_id = "ext1";
+  std::string client_id = "client1";
+  std::vector<std::string> scopes(CreateTestScopes());
+  std::string at = "access_token";
+  GoogleServiceAuthError err(GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS);
+
+  SetAccessTokenFetcherFailure(rt, err);
+
+  flow_->Start(rt, ext_id, client_id, scopes);
+  flow_->OnGetTokenFailure(err);
+}
+
+TEST_F(OAuth2MintTokenFlowTest, MintAccessTokenFailure) {
+  std::string rt = "refresh_token";
+  std::string ext_id = "ext1";
+  std::string client_id = "client1";
+  std::vector<std::string> scopes(CreateTestScopes());
+  std::string at = "access_token";
+  GoogleServiceAuthError err(GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS);
+
+  SetAccessTokenFetcherSuccess(rt);
+  SetMintTokenFetcherFailure(at, ext_id, client_id, scopes, err);
+
+  flow_->Start(rt, ext_id, client_id, scopes);
+  flow_->OnGetTokenSuccess(at);
+  flow_->OnMintTokenFailure(err);
+}
+
+TEST_F(OAuth2MintTokenFlowTest, Success) {
+  std::string rt = "refresh_token";
+  std::string ext_id = "ext1";
+  std::string client_id = "client1";
+  std::vector<std::string> scopes(CreateTestScopes());
+  std::string at = "access_token";
+  std::string result = "app_access_token";
+
+  SetAccessTokenFetcherSuccess(rt);
+  SetMintTokenFetcherSuccess(at, ext_id, client_id, scopes, result);
+
+  flow_->Start(rt, ext_id, client_id, scopes);
+  flow_->OnGetTokenSuccess(at);
+  flow_->OnMintTokenSuccess(result);
+}