Add appengine/gcloud/mustache dependencies.

pkg/appengine/test/remote_api_test.dart

+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'dart:async';
+import 'dart:io';
+import 'dart:convert';
+
+import 'package:unittest/unittest.dart';
+
+import 'package:appengine/api/remote_api.dart';
+import 'package:appengine/api/errors.dart';
+import 'package:appengine/src/protobuf_api/rpc/rpc_service.dart';
+import 'package:appengine/src/appengine_context.dart';
+import 'package:appengine/src/api_impl/remote_api_impl.dart';
+import 'package:appengine/src/protobuf_api/internal/remote_api.pb.dart' as pb;
+
+import 'utils/error_matchers.dart';
+
+class MockRPCService extends RPCService {
+  final pb.Request _expectedPbRequest;
+  final List<int> _responseBytes;
+  final String _expectedTicket;
+
+  MockRPCService(
+      this._expectedPbRequest, this._responseBytes, this._expectedTicket);
+
+  Future<List<int>> call(String apiPackage,
+                         String method,
+                         List<int> requestProtocolBuffer,
+                         {String ticket}) {
+    expect(apiPackage, equals(_expectedPbRequest.serviceName));
+    expect(method, equals(_expectedPbRequest.method));
+    expect(requestProtocolBuffer, equals(_expectedPbRequest.request));
+    expect(ticket, equals(_expectedTicket));
+    return new Future.value(_responseBytes);
+  }
+}
+
+class ErrorMockRPCService extends RPCService {
+  static const RPC_ERROR_CODE = 42;
+  static const RPC_ERROR_MESSAGE = "rpc error from mock";
+
+  final bool throwNetworkError;
+  final bool throwProtocolError;
+  final bool throwRpcError;
+
+  ErrorMockRPCService({this.throwNetworkError: false,
+                       this.throwProtocolError: false,
+                       this.throwRpcError: false});
+
+  Future<List<int>> call(String apiPackage,
+                         String method,
+                         List<int> requestProtocolBuffer,
+                         {String ticket}) {
+    return new Future.sync(() {
+      if (throwNetworkError) {
+        throw new NetworkError("network error from mock");
+      } else if (throwProtocolError) {
+        throw new ProtocolError("protocol error from mock");
+      } else if (throwRpcError) {
+        throw new RpcApplicationError(RPC_ERROR_CODE, RPC_ERROR_MESSAGE);
+      }
+      throw "Unknown error from mock";
+    });
+  }
+}
+
+Future<List<Future>> testRemoteApi(RemoteApi remoteApi, Function client) {
+  return HttpServer.bind('127.0.0.1', 0).then((HttpServer server) {
+    var serverFuture = server.first.then((HttpRequest request) {
+      return remoteApi.handleRemoteApiRequest(request);
+    }).whenComplete(() => server.close(force: true));
+    var clientFuture = client(server.address.address, server.port);
+    return [serverFuture, clientFuture];
+  });
+}
+
+void runTests() {
+  var INVALID_PROTOBUF = [1, 2, 3, 4, 5];
+  var serverResponseBytes = [4, 5, 6];
+
+  pb.Request pbRequest = new pb.Request();
+  pbRequest.requestId = 'test-id';
+  pbRequest.serviceName = 'test-service';
+  pbRequest.method = 'test-method';
+  pbRequest.request = [1, 2, 3];
+
+  runClient(String address, int port,
+            List<int> requestData, Function validate,
+            {String path: '/foobar', method: 'POST'}) {
+    var client = new HttpClient();
+    return client.open(method, address, port, path).then((request) {
+      request.add(requestData);
+      return request.close().then((HttpClientResponse response) {
+        return response
+            .fold([], (buffer, data) => buffer..addAll(data))
+            .then(validate);
+      });
+    }).whenComplete(client.close);
+  }
+
+  runClientAndCheckRtokResponse(String address, int port) {
+    var rtok = 'RR';
+    validate(List<int> bytes) {
+      var json = JSON.decode(UTF8.decode(bytes));
+      expect(json, isMap);
+      expect(json['app_id'], equals('dev~application'));
+      expect(json['rtok'], equals(rtok));
+    }
+
+    return runClient(
+        address, port, [], validate, path: '/foobar?rtok=$rtok', method: 'GET');
+  }
+
+  runClientAndCheckApiCallResponse(String address, int port) {
+    validate(List<int> bytes) {
+      pb.Response response = new pb.Response.fromBuffer(bytes);
+      expect(response.response, equals(serverResponseBytes));
+    }
+    return runClient(address, port, pbRequest.writeToBuffer(), validate);
+  }
+
+  runClientWithInvalidMethod(String address, int port) {
+    return runClient(
+        address, port, [], (_) {}, path: '/foobar?rtok=foo', method: 'HEAD');
+  }
+
+  runClientWithInvalidProtobuf(String address, int port) {
+    return runClient(address, port, INVALID_PROTOBUF, (_) {},
+        path: '/foobar?rtok=foo');
+  }
+
+  runClientAndCheckRpcError(String address, int port) {
+    validate(List<int> bytes) {
+      pb.Response pbResponse = new pb.Response.fromBuffer(bytes);
+      expect(pbResponse.applicationError.code,
+             equals(ErrorMockRPCService.RPC_ERROR_CODE));
+      expect(pbResponse.applicationError.detail,
+             equals(ErrorMockRPCService.RPC_ERROR_MESSAGE));
+    }
+
+    return runClient(address, port, pbRequest.writeToBuffer(), validate);
+  }
+
+  runClientWithoutValidation(String address, int port) {
+    return runClient(address, port, pbRequest.writeToBuffer(), (){});
+  }
+
+  group('remote_api', () {
+    var invalidTicket = 'invalid-ticket';
+    var context = new AppengineContext(
+        'dev', 'application', 'version', null, null, null);
+
+    test('get_rtok', () {
+      var remoteApi = new RemoteApiImpl(null, context, invalidTicket);
+
+      return testRemoteApi(remoteApi, runClientAndCheckRtokResponse)
+          .then((futures) => Future.wait(futures));
+    });
+
+    test('make_request', () {
+      var rpcMock =
+          new MockRPCService(pbRequest, serverResponseBytes, invalidTicket);
+      var remoteApi = new RemoteApiImpl(rpcMock, context, invalidTicket);
+
+      return testRemoteApi(remoteApi, runClientAndCheckApiCallResponse)
+          .then((futures) => Future.wait(futures));
+    });
+
+    test('invalid_method', () {
+      var remoteApi = new RemoteApiImpl(null, context, invalidTicket);
+
+      return testRemoteApi(remoteApi, runClientWithInvalidMethod)
+          .then((futures) {
+            expect(futures[0], throwsA(isAppEngineApplicationError));
+            return futures[1].catchError((_) {});
+          });
+    });
+
+    test('invalid_protobuf_request', () {
+      var remoteApi = new RemoteApiImpl(null, context, invalidTicket);
+
+      return testRemoteApi(remoteApi, runClientWithInvalidProtobuf)
+          .then((futures) {
+            expect(futures[0], throws);
+            return futures[1].catchError((_) {});
+          });
+    });
+
+    test('rpc_error', () {
+      var rpcMock = new ErrorMockRPCService(throwRpcError: true);
+      var remoteApi = new RemoteApiImpl(rpcMock, context, invalidTicket);
+
+      return testRemoteApi(remoteApi, runClientAndCheckRpcError)
+          .then((futures) => Future.wait(futures));
+    });
+
+    test('network_error', () {
+      var rpcMock = new ErrorMockRPCService(throwNetworkError: true);
+      var remoteApi = new RemoteApiImpl(rpcMock, context, invalidTicket);
+
+      return testRemoteApi(remoteApi, runClientWithoutValidation)
+          .then((futures) {
+        expect(futures[0], throwsA(isNetworkError));
+        return futures[1].catchError((e) {});
+      });
+    });
+
+    test('protocol_error', () {
+      var rpcMock = new ErrorMockRPCService(throwProtocolError: true);
+      var remoteApi = new RemoteApiImpl(rpcMock, context, invalidTicket);
+
+      return testRemoteApi(remoteApi, runClientWithoutValidation)
+          .then((futures) {
+        expect(futures[0], throwsA(isProtocolError));
+        return futures[1].catchError((e) {});
+      });
+    });
+
+    test('unknown_error', () {
+      var rpcMock = new ErrorMockRPCService();
+      var remoteApi = new RemoteApiImpl(rpcMock, context, invalidTicket);
+
+      return testRemoteApi(remoteApi, runClientWithoutValidation)
+          .then((futures) {
+        expect(futures[0], throws);
+        return futures[1].catchError((e) {});
+      });
+    });
+  });
+}
+
+main() {
+  runTests();
+}