Generate 0.1.0 version of googleapis/googleapis_beta

generated/googleapis/test/common/common_internal_test.dart

Index: generated/googleapis/test/common/common_internal_test.dart
diff --git a/generated/googleapis/test/common/common_internal_test.dart b/generated/googleapis/test/common/common_internal_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..afae3baf8467b831003f3c1f1b82356bf693c148
--- /dev/null
+++ b/generated/googleapis/test/common/common_internal_test.dart
@@ -0,0 +1,911 @@
+library googleapis.common_internal_test;
+import 'dart:async';
+import 'dart:convert';
+
+import 'package:crypto/crypto.dart' as crypto;
+import 'package:googleapis/common/common.dart';
+import 'package:googleapis/src/common_internal.dart';
+import 'package:http/http.dart' as http;
+import 'package:unittest/unittest.dart';
+class HttpServerMock extends http.BaseClient {
+  Function _callback;
+  bool _expectJson;
+
+  void register(Function callback, bool expectJson) {
+    _callback = callback;
+    _expectJson = expectJson;
+  }
+
+  Future<http.StreamedResponse> send(http.BaseRequest request) {
+    if (_expectJson) {
+      return request.finalize()
+          .transform(UTF8.decoder)
+          .join('')
+          .then((String jsonString) {
+        if (jsonString.isEmpty) {
+          return _callback(request, null);
+        } else {
+          return _callback(request, JSON.decode(jsonString));
+        }
+      });
+    } else {
+      var stream = request.finalize();
+      if (stream == null) {
+        return _callback(request, []);
+      } else {
+        return stream.toBytes().then((data) {
+          return _callback(request, data);
+        });
+      }
+    }
+  }
+}
+
+http.StreamedResponse stringResponse(int status, Map headers, String body) {
+  var stream = new Stream.fromIterable([UTF8.encode(body)]);
+  return new http.StreamedResponse(stream, status, headers: headers);
+}
+
+http.StreamedResponse binaryResponse(int status,
+                                     Map<String,String> headers,
+                                     List<int> bytes) {
+  var stream = new Stream.fromIterable([bytes]);
+  return new http.StreamedResponse(stream, status, headers: headers);
+}
+
+Stream<List<int>> byteStream(String s) {
+  var bodyController = new StreamController();
+  bodyController.add(UTF8.encode(s));
+  bodyController.close();
+  return bodyController.stream;
+}
+
+class _ApiRequestError extends TypeMatcher {
+  const _ApiRequestError() : super("ApiRequestError");
+  bool matches(item, Map matchState) => item is ApiRequestError;
+}
+
+class _DetailedApiRequestError extends TypeMatcher {
+  const _DetailedApiRequestError() : super("DetailedApiRequestError");
+  bool matches(item, Map matchState) => item is DetailedApiRequestError;
+}
+
+class TestError {}
+
+class _TestError extends TypeMatcher {
+  const _TestError() : super("TestError");
+  bool matches(item, Map matchState) => item is TestError;
+}
+
+const isApiRequestError = const _ApiRequestError();
+const isDetailedApiRequestError = const _DetailedApiRequestError();
+const isTestError = const _TestError();
+
+
+main() {
+  group('common-external', () {
+    test('escaper', () {
+      expect(Escaper.ecapePathComponent('a/b%c '), equals('a%2Fb%25c%20'));
+      expect(Escaper.ecapeVariable('a/b%c '), equals('a%2Fb%25c%20'));
+      expect(Escaper.ecapeVariableReserved('a/b%c+ '), equals('a/b%25c+%20'));
+      expect(Escaper.escapeQueryComponent('a/b%c '), equals('a%2Fb%25c%20'));
+    });
+
+    test('mapMap', () {
+      newTestMap() => {
+        's' : 'string',
+        'i' : 42,
+      };
+
+      var copy = mapMap(newTestMap());
+      expect(copy, hasLength(2));
+      expect(copy['s'], equals('string'));
+      expect(copy['i'], equals(42));
+
+
+      var mod = mapMap(newTestMap(), (x) => '$x foobar');
+      expect(mod, hasLength(2));
+      expect(mod['s'], equals('string foobar'));
+      expect(mod['i'], equals('42 foobar'));
+    });
+
+    test('base64-encoder', () {
+      var base64encoder = new Base64Encoder();
+
+      testString(String msg, String expectedBase64) {
+        var msgBytes = UTF8.encode(msg);
+
+        Stream singleByteStream(List<int> msgBytes) {
+          var controller = new StreamController();
+          for (var byte in msgBytes) {
+            controller.add([byte]);
+          }
+          controller.close();
+          return controller.stream;
+        }
+
+        Stream allByteStream(List<int> msgBytes) {
+          var controller = new StreamController();
+          controller.add(msgBytes);
+          controller.close();
+          return controller.stream;
+        }
+
+        singleByteStream(msgBytes)
+            .transform(base64encoder)
+            .join('')
+            .then(expectAsync((String result) {
+          expect(result, equals(expectedBase64));
+        }));
+
+        allByteStream(msgBytes)
+            .transform(base64encoder)
+            .join('')
+            .then(expectAsync((String result) {
+          expect(result, equals(expectedBase64));
+        }));
+
+        expect(Base64Encoder.lengthOfBase64Stream(msg.length),
+               equals(expectedBase64.length));
+      }
+
+      testString('pleasure.', 'cGxlYXN1cmUu');
+      testString('leasure.', 'bGVhc3VyZS4=');
+      testString('easure.', 'ZWFzdXJlLg==');
+      testString('asure.', 'YXN1cmUu');
+      testString('sure.', 'c3VyZS4=');
+      testString('', '');
+    });
+
+    group('chunk-stack', () {
+      var chunkSize = 9;
+
+      folded(List<List<int>> byteArrays) {
+        return byteArrays.fold([], (buf, e) => buf..addAll(e));
+      }
+
+      test('finalize', () {
+        var chunkStack = new ChunkStack(9);
+        chunkStack.finalize();
+        expect(() => chunkStack.addBytes([1]), throwsA(isStateError));
+        expect(() => chunkStack.finalize(), throwsA(isStateError));
+      });
+
+      test('empty', () {
+        var chunkStack = new ChunkStack(9);
+        expect(chunkStack.length, equals(0));
+        chunkStack.finalize();
+        expect(chunkStack.length, equals(0));
+      });
+
+      test('sub-chunk-size', () {
+        var bytes = [1, 2, 3];
+
+        var chunkStack = new ChunkStack(9);
+        chunkStack.addBytes(bytes);
+        expect(chunkStack.length, equals(0));
+        chunkStack.finalize();
+        expect(chunkStack.length, equals(1));
+        expect(chunkStack.totalByteLength, equals(bytes.length));
+
+        var chunks = chunkStack.removeSublist(0, chunkStack.length);
+        expect(chunkStack.length, equals(0));
+        expect(chunks, hasLength(1));
+
+        expect(folded(chunks.first.byteArrays), equals(bytes));
+        expect(chunks.first.offset, equals(0));
+        expect(chunks.first.length, equals(3));
+        expect(chunks.first.endOfChunk, equals(bytes.length));
+      });
+
+      test('exact-chunk-size', () {
+        var bytes = [1, 2, 3, 4, 5, 6, 7, 8, 9];
+
+        var chunkStack = new ChunkStack(9);
+        chunkStack.addBytes(bytes);
+        expect(chunkStack.length, equals(1));
+        chunkStack.finalize();
+        expect(chunkStack.length, equals(1));
+        expect(chunkStack.totalByteLength, equals(bytes.length));
+
+        var chunks = chunkStack.removeSublist(0, chunkStack.length);
+        expect(chunkStack.length, equals(0));
+        expect(chunks, hasLength(1));
+
+        expect(folded(chunks.first.byteArrays), equals(bytes));
+        expect(chunks.first.offset, equals(0));
+        expect(chunks.first.length, equals(bytes.length));
+        expect(chunks.first.endOfChunk, equals(bytes.length));
+      });
+
+      test('super-chunk-size', () {
+        var bytes0 = [1, 2, 3, 4];
+        var bytes1 = [1, 2, 3, 4];
+        var bytes2 = [5, 6, 7, 8, 9, 10, 11];
+        var bytes = folded([bytes0, bytes1, bytes2]);
+
+        var chunkStack = new ChunkStack(9);
+        chunkStack.addBytes(bytes0);
+        chunkStack.addBytes(bytes1);
+        chunkStack.addBytes(bytes2);
+        expect(chunkStack.length, equals(1));
+        chunkStack.finalize();
+        expect(chunkStack.length, equals(2));
+        expect(chunkStack.totalByteLength, equals(bytes.length));
+
+        var chunks = chunkStack.removeSublist(0, chunkStack.length);
+        expect(chunkStack.length, equals(0));
+        expect(chunks, hasLength(2));
+
+        expect(folded(chunks.first.byteArrays),
+               equals(bytes.sublist(0, chunkSize)));
+        expect(chunks.first.offset, equals(0));
+        expect(chunks.first.length, equals(chunkSize));
+        expect(chunks.first.endOfChunk, equals(chunkSize));
+
+        expect(folded(chunks.last.byteArrays),
+               equals(bytes.sublist(chunkSize)));
+        expect(chunks.last.offset, equals(chunkSize));
+        expect(chunks.last.length, equals(bytes.length - chunkSize));
+        expect(chunks.last.endOfChunk, equals(bytes.length));
+      });
+    });
+
+    test('media', () {
+      // Tests for [MediaRange]
+      var partialRange = new ByteRange(1, 100);
+      expect(partialRange.start, equals(1));
+      expect(partialRange.end, equals(100));
+
+      var fullRange = new ByteRange(0, -1);
+      expect(fullRange.start, equals(0));
+      expect(fullRange.end, equals(-1));
+
+      expect(() => new ByteRange(0, 0), throws);
+      expect(() => new ByteRange(-1, 0), throws);
+      expect(() => new ByteRange(-1, 1), throws);
+
+      // Tests for [DownloadOptions]
+      expect(DownloadOptions.Metadata.isMetadataDownload, isTrue);
+
+      expect(DownloadOptions.FullMedia.isFullDownload, isTrue);
+      expect(DownloadOptions.FullMedia.isMetadataDownload, isFalse);
+
+      // Tests for [Media]
+      var stream = new StreamController().stream;
+      expect(() => new Media(null, 0, contentType: 'foobar'),
+             throwsA(isArgumentError));
+      expect(() => new Media(stream, 0, contentType: null),
+             throwsA(isArgumentError));
+      expect(() => new Media(stream, -1, contentType: 'foobar'),
+             throwsA(isArgumentError));
+
+      var lengthUnknownMedia = new Media(stream, null);
+      expect(lengthUnknownMedia.stream, equals(stream));
+      expect(lengthUnknownMedia.length, equals(null));
+
+      var media = new Media(stream, 10, contentType: 'foobar');
+      expect(media.stream, equals(stream));
+      expect(media.length, equals(10));
+      expect(media.contentType, equals('foobar'));
+
+      // Tests for [ResumableUploadOptions]
+      expect(() => new ResumableUploadOptions(numberOfAttempts: 0),
+             throwsA(isArgumentError));
+      expect(() => new ResumableUploadOptions(chunkSize: 1),
+             throwsA(isArgumentError));
+    });
+
+    group('api-requester', () {
+      var httpMock, rootUrl, basePath;
+      ApiRequester requester;
+
+      var responseHeaders = {
+          'content-type' : 'application/json; charset=utf-8',
+      };
+
+      setUp(() {
+        httpMock = new HttpServerMock();
+        rootUrl = 'http://example.com/';
+        basePath = '/base/';
+        requester = new ApiRequester(httpMock, rootUrl, basePath);
+      });
+
+
+      // Tests for Request, Response
+
+      group('metadata-request-response', () {
+        test('empty-request-empty-response', () {
+          httpMock.register(expectAsync((http.BaseRequest request, json) {
+            expect(request.method, equals('GET'));
+            expect('${request.url}',
+                   equals('http://example.com/base/abc?alt=json'));
+            return stringResponse(200, responseHeaders, '');
+          }), true);
+          requester.request('abc', 'GET').then(expectAsync((response) {
+            expect(response, isNull);
+          }));
+        });
+
+        test('json-map-request-json-map-response', () {
+          httpMock.register(expectAsync((http.BaseRequest request, json) {
+            expect(request.method, equals('GET'));
+            expect('${request.url}',
+                   equals('http://example.com/base/abc?alt=json'));
+            expect(json is Map, isTrue);
+            expect(json, hasLength(1));
+            expect(json['foo'], equals('bar'));
+            return stringResponse(200, responseHeaders, '{"foo2" : "bar2"}');
+          }), true);
+          requester.request('abc',
+                            'GET',
+                            body: JSON.encode({'foo' : 'bar'})).then(
+              expectAsync((response) {
+            expect(response is Map, isTrue);
+            expect(response, hasLength(1));
+            expect(response['foo2'], equals('bar2'));
+          }));
+        });
+
+        test('json-list-request-json-list-response', () {
+          httpMock.register(expectAsync((http.BaseRequest request, json) {
+            expect(request.method, equals('GET'));
+            expect('${request.url}',
+                   equals('http://example.com/base/abc?alt=json'));
+            expect(json is List, isTrue);
+            expect(json, hasLength(2));
+            expect(json[0], equals('a'));
+            expect(json[1], equals(1));
+            return stringResponse(200, responseHeaders, '["b", 2]');
+          }), true);
+          requester.request('abc',
+                            'GET',
+                            body: JSON.encode(['a', 1])).then(
+              expectAsync((response) {
+            expect(response is List, isTrue);
+            expect(response[0], equals('b'));
+            expect(response[1], equals(2));
+          }));
+        });
+      });
+
+      group('media-download', () {
+        test('media-download', () {
+          var data256 = new List.generate(256, (i) => i);
+          httpMock.register(expectAsync((http.BaseRequest request, data) {
+            expect(request.method, equals('GET'));
+            expect('${request.url}',
+                   equals('http://example.com/base/abc?alt=media'));
+            expect(data, isEmpty);
+            var headers = {
+                'content-length' : '${data256.length}',
+                'content-type' : 'foobar',
+            };
+            return binaryResponse(200, headers, data256);
+          }), false);
+          requester.request('abc',
+                            'GET',
+                            body: '',
+                            downloadOptions: DownloadOptions.FullMedia).then(
+              expectAsync((Media media) {
+            expect(media.contentType, equals('foobar'));
+            expect(media.length, equals(data256.length));
+            media.stream.fold([], (b, d) => b..addAll(d)).then(expectAsync((d) {
+              expect(d, equals(data256));
+            }));
+          }));
+        });
+
+        test('media-download-partial', () {
+          var data256 = new List.generate(256, (i) => i);
+          var data64 = data256.sublist(128, 128 + 64);
+
+          httpMock.register(expectAsync((http.BaseRequest request, data) {
+            expect(request.method, equals('GET'));
+            expect('${request.url}',
+                   equals('http://example.com/base/abc?alt=media'));
+            expect(data, isEmpty);
+            expect(request.headers['range'],
+                   equals('bytes=128-191'));
+            var headers = {
+                'content-length' : '${data64.length}',
+                'content-type' : 'foobar',
+                'content-range' : 'bytes 128-191/256',
+            };
+            return binaryResponse(200, headers, data64);
+          }), false);
+          var range = new ByteRange(128, 128 + 64 - 1);
+          var options = new PartialDownloadOptions(range);
+          requester.request('abc',
+                            'GET',
+                            body: '',
+                            downloadOptions: options).then(
+              expectAsync((Media media) {
+            expect(media.contentType, equals('foobar'));
+            expect(media.length, equals(data64.length));
+            media.stream.fold([], (b, d) => b..addAll(d)).then(expectAsync((d) {
+              expect(d, equals(data64));
+            }));
+          }));
+        });
+
+        test('json-upload-media-download', () {
+          var data256 = new List.generate(256, (i) => i);
+          httpMock.register(expectAsync((http.BaseRequest request, json) {
+            expect(request.method, equals('GET'));
+            expect('${request.url}',
+                    equals('http://example.com/base/abc?alt=media'));
+            expect(json is List, isTrue);
+            expect(json, hasLength(2));
+            expect(json[0], equals('a'));
+            expect(json[1], equals(1));
+
+            var headers = {
+                'content-length' : '${data256.length}',
+                'content-type' : 'foobar',
+            };
+            return binaryResponse(200, headers, data256);
+          }), true);
+          requester.request('abc',
+                            'GET',
+                            body: JSON.encode(['a', 1]),
+                            downloadOptions: DownloadOptions.FullMedia).then(
+              expectAsync((Media media) {
+            expect(media.contentType, equals('foobar'));
+            expect(media.length, equals(data256.length));
+            media.stream.fold([], (b, d) => b..addAll(d)).then(expectAsync((d) {
+              expect(d, equals(data256));
+            }));
+          }));
+        });
+      });
+
+      // Tests for media uploads
+
+      group('media-upload', () {
+        Stream streamFromByteArrays(byteArrays) {
+          var controller = new StreamController();
+          for (var array in byteArrays) {
+            controller.add(array);
+          }
+          controller.close();
+          return controller.stream;
+        }
+        Media mediaFromByteArrays(byteArrays, {bool withLen: true}) {
+          int len = 0;
+          byteArrays.forEach((array) { len += array.length; });
+          if (!withLen) len = null;
+          return new Media(streamFromByteArrays(byteArrays),
+                           len,
+                           contentType: 'foobar');
+        }
+        validateServerRequest(e, http.BaseRequest request, List<int> data) {
+          return new Future.sync(() {
+            var h = e['headers'];
+            var r = e['response'];
+
+            expect(request.url.toString(), equals(e['url']));
+            expect(request.method, equals(e['method']));
+            h.forEach((k, v) {
+              expect(request.headers[k], equals(v));
+            });
+
+            expect(data, equals(e['data']));
+            return r;
+          });
+        }
+        serverRequestValidator(List expectations) {
+          int i = 0;
+          return (http.BaseRequest request, List<int> data) {
+            return validateServerRequest(expectations[i++], request, data);
+          };
+        }
+
+        test('simple', () {
+          var bytes = new List.generate(10 * 256 * 1024 + 1, (i) => i % 256);
+          var expectations = [
+              {
+                'url' : 'http://example.com/xyz?uploadType=media&alt=json',
+                'method' : 'POST',
+                'data' : bytes,
+                'headers' : {
+                  'content-length' : '${bytes.length}',
+                  'content-type' : 'foobar',
+                },
+                'response' : stringResponse(200, responseHeaders, '')
+              },
+          ];
+
+          httpMock.register(
+              expectAsync(serverRequestValidator(expectations)), false);
+          var media = mediaFromByteArrays([bytes]);
+          requester.request('/xyz',
+                            'POST',
+                            uploadMedia: media).then(
+              expectAsync((response) {}));
+        });
+
+        test('multipart-upload', () {
+          var bytes = new List.generate(10 * 256 * 1024 + 1, (i) => i % 256);
+          var contentBytes =
+              '--314159265358979323846\r\n'
+              'Content-Type: $CONTENT_TYPE_JSON_UTF8\r\n\r\n'
+              'BODY'
+              '\r\n--314159265358979323846\r\n'
+              'Content-Type: foobar\r\n'
+              'Content-Transfer-Encoding: base64\r\n\r\n'
+              '${crypto.CryptoUtils.bytesToBase64(bytes)}'
+              '\r\n--314159265358979323846--';
+
+          var expectations = [
+              {
+                'url' : 'http://example.com/xyz?uploadType=multipart&alt=json',
+                'method' : 'POST',
+                'data' : UTF8.encode('$contentBytes'),
+                'headers' : {
+                  'content-length' : '${contentBytes.length}',
+                  'content-type' :
+                      'multipart/related; boundary="314159265358979323846"',
+                },
+                'response' : stringResponse(200, responseHeaders, '')
+              },
+          ];
+
+          httpMock.register(
+              expectAsync(serverRequestValidator(expectations)), false);
+          var media = mediaFromByteArrays([bytes]);
+          requester.request('/xyz',
+                            'POST',
+                            body: 'BODY',
+                            uploadMedia: media).then(
+              expectAsync((response) {}));
+        });
+
+        group('resumable-upload', () {
+          // TODO: respect [stream]
+          buildExpectations(List<int> bytes, int chunkSize, bool stream,
+              {int numberOfServerErrors: 0}) {
+            int totalLength = bytes.length;
+            int numberOfChunks = totalLength ~/ chunkSize;
+            int numberOfBytesInLastChunk = totalLength % chunkSize;
+
+            if (numberOfBytesInLastChunk > 0) {
+              numberOfChunks++;
+            } else {
+              numberOfBytesInLastChunk = chunkSize;
+            }
+
+            var expectations = [];
+
+            // First request is making a POST and gets the upload URL.
+            expectations.add({
+              'url' : 'http://example.com/xyz?uploadType=resumable&alt=json',
+              'method' : 'POST',
+              'data' : [],
+              'headers' : {
+                'content-length' : '0',
+                'content-type' : 'application/json; charset=utf-8',
+                'x-upload-content-type' : 'foobar',
+              }..addAll(stream ? {} : {
+                'x-upload-content-length' : '$totalLength',
+              }),
+              'response' : stringResponse(
+                  200, {'location' : 'http://upload.com/'}, '')
+            });
+
+            var lastEnd = 0;
+            for (int i = 0; i < numberOfChunks; i++) {
+              bool isLast = i == (numberOfChunks - 1);
+              var lengthMarker = stream && !isLast ? '*' : '$totalLength';
+
+              int bytesToExpect = chunkSize;
+              if (isLast) {
+                bytesToExpect = numberOfBytesInLastChunk;
+              }
+
+              var start = i * chunkSize;
+              var end = start + bytesToExpect;
+              var sublist = bytes.sublist(start, end);
+
+              var firstContentRange =
+                  'bytes $start-${end-1}/$lengthMarker';
+              var firstRange =
+                  'bytes=0-${end-1}';
+
+              // We issue [numberOfServerErrors] 503 errors first, and then a
+              // successfull response.
+              for (var j = 0; j < (numberOfServerErrors + 1); j++) {
+                bool successfullResponse = j == numberOfServerErrors;
+
+                var response;
+                if (successfullResponse) {
+                  var headers = isLast
+                      ? { 'content-type' : 'application/json; charset=utf-8' }
+                      : {'range' : firstRange };
+                  response = stringResponse(isLast ? 200 : 308, headers, '');
+                } else {
+                  var headers = {};
+                  response = stringResponse(503, headers, '');
+                }
+
+                expectations.add({
+                  'url' : 'http://upload.com/',
+                  'method' : 'PUT',
+                  'data' : sublist,
+                  'headers' : {
+                    'content-length' : '${sublist.length}',
+                    'content-range' : firstContentRange,
+                    'content-type' : 'foobar',
+                  },
+                  'response' : response,
+                });
+              }
+            }
+            return expectations;
+          }
+
+          List<List<int>> makeParts(List<int> bytes, List<int> splits) {
+            var parts = [];
+            int lastEnd = 0;
+            for (int i = 0; i < splits.length; i++) {
+              parts.add(bytes.sublist(lastEnd, splits[i]));
+              lastEnd = splits[i];
+            }
+            return parts;
+          }
+
+          runTest(int chunkSizeInBlocks, int length, List splits, bool stream,
+                  {int numberOfServerErrors: 0, resumableOptions,
+                   int expectedErrorStatus, int messagesNrOfFailure}) {
+            int chunkSize = chunkSizeInBlocks * 256 * 1024;
+
+            int i = 0;
+            var bytes = new List.generate(length, (i) => i % 256);
+            var parts = makeParts(bytes, splits);
+
+            // Simulation of our server
+            var expectations = buildExpectations(
+                bytes, chunkSize, false,
+                numberOfServerErrors: numberOfServerErrors);
+            // If the server simulates 50X errors and the client resumes only
+            // a limited amount of time, we'll trunkate the number of requests
+            // the server expects.
+            // [The client will give up and if the server expects more, the test
+            //  would timeout.]
+            if (expectedErrorStatus != null) {
+              expectations = expectations.sublist(0, messagesNrOfFailure);
+            }
+            httpMock.register(
+                expectAsync(serverRequestValidator(expectations),
+                            count: expectations.length),
+                false);
+
+            // Our client
+            var media = mediaFromByteArrays(parts);
+            if (resumableOptions == null) {
+              resumableOptions =
+                  new ResumableUploadOptions(chunkSize: chunkSize);
+            }
+            var result = requester.request('/xyz',
+                                           'POST',
+                                           uploadMedia: media,
+                                           uploadOptions: resumableOptions);
+            if (expectedErrorStatus != null) {
+              result.catchError(expectAsync((error) {
+                expect(error is DetailedApiRequestError, isTrue);
+                expect(error.status, equals(expectedErrorStatus));
+              }));
+            } else {
+              result.then(expectAsync((_) {}));
+            }
+          }
+
+          Function backoffWrapper(int callCount) {
+            return expectAsync((int failedAttempts) {
+              var exp = ResumableUploadOptions.ExponentialBackoff;
+              Duration duration = exp(failedAttempts);
+              expect(duration.inSeconds, equals(1 << (failedAttempts - 1)));
+              return const Duration(milliseconds: 1);
+            }, count: callCount);
+          }
+
+          test('length-small-block', () {
+            runTest(1, 10, [10], false);
+          });
+
+          test('length-small-block-parts', () {
+            runTest(1, 20, [1, 2, 3, 4, 5, 6, 7, 19, 20], false);
+          });
+
+          test('length-big-block', () {
+            runTest(1, 1024 * 1024, [1024*1024], false);
+          });
+
+          test('length-big-block-parts', () {
+            runTest(1, 1024 * 1024,
+                    [1,
+                     256*1024-1,
+                     256*1024,
+                     256*1024+1,
+                     1024*1024-1,
+                     1024*1024], false);
+          });
+
+          test('stream-small-block', () {
+            runTest(1, 10, [10], true);
+          });
+
+          test('stream-small-block-parts', () {
+            runTest(1, 20, [1, 2, 3, 4, 5, 6, 7, 19, 20], true);
+          });
+
+          test('stream-big-block', () {
+            runTest(1, 1024 * 1024, [1024*1024], true);
+          });
+
+          test('stream-big-block-parts', () {
+            runTest(1, 1024 * 1024,
+                    [1,
+                     256*1024-1,
+                     256*1024,
+                     256*1024+1,
+                     1024*1024-1,
+                     1024*1024], true);
+          });
+
+          test('stream-big-block-parts--with-server-error-recovery', () {
+            var numFailedAttempts = 4 * 3;
+            var options = new ResumableUploadOptions(
+                chunkSize: 256 * 1024, numberOfAttempts: 4,
+                backoffFunction: backoffWrapper(numFailedAttempts));
+            runTest(1, 1024 * 1024,
+                    [1,
+                     256*1024-1,
+                     256*1024,
+                     256*1024+1,
+                     1024*1024-1,
+                     1024*1024],
+                     true,
+                     numberOfServerErrors: 3,
+                     resumableOptions: options);
+          });
+
+          test('stream-big-block-parts--server-error', () {
+            var numFailedAttempts = 2;
+            var options = new ResumableUploadOptions(
+                chunkSize: 256 * 1024, numberOfAttempts: 3,
+                backoffFunction: backoffWrapper(numFailedAttempts));
+            runTest(1, 1024 * 1024,
+                    [1,
+                     256*1024-1,
+                     256*1024,
+                     256*1024+1,
+                     1024*1024-1,
+                     1024*1024],
+                     true,
+                     numberOfServerErrors: 3,
+                     resumableOptions: options,
+                     expectedErrorStatus: 503,
+                     messagesNrOfFailure: 4);
+          });
+        });
+      });
+
+      // Tests for error responses
+      group('request-errors', () {
+        makeTestError() {
+          // All errors from the [http.Client] propagate through.
+          // We use [TestError] to simulate it.
+          httpMock.register(expectAsync((http.BaseRequest request, string) {
+            return new Future.error(new TestError());
+          }), false);
+        }
+
+        makeDetailed400Error() {
+          httpMock.register(expectAsync((http.BaseRequest request, string) {
+            return stringResponse(400,
+                                 responseHeaders,
+                                 '{"error" : {"code" : 42, "message": "foo"}}');
+          }), false);
+        }
+
+        makeNormal199Error() {
+          httpMock.register(expectAsync((http.BaseRequest request, string) {
+            return stringResponse(199, {}, '');
+          }), false);
+        }
+
+        makeInvalidContentTypeError() {
+          httpMock.register(expectAsync((http.BaseRequest request, string) {
+            var responseHeaders = { 'content-type' : 'image/png'};
+            return stringResponse(200, responseHeaders, '');
+          }), false);
+        }
+
+
+        test('normal-http-client', () {
+          makeTestError();
+          expect(requester.request('abc', 'GET'), throwsA(isTestError));
+        });
+
+        test('normal-detailed-400', () {
+          makeDetailed400Error();
+          requester.request('abc', 'GET')
+              .catchError(expectAsync((error, stack) {
+            expect(error, isDetailedApiRequestError);
+            DetailedApiRequestError e = error;
+            expect(e.status, equals(42));
+            expect(e.message, equals('foo'));
+          }));
+        });
+
+        test('normal-199', () {
+          makeNormal199Error();
+          expect(requester.request('abc', 'GET'), throwsA(isApiRequestError));
+        });
+
+        test('normal-invalid-content-type', () {
+          makeInvalidContentTypeError();
+          expect(requester.request('abc', 'GET'), throwsA(isApiRequestError));
+        });
+
+        var options = DownloadOptions.FullMedia;
+        test('media-http-client', () {
+          makeTestError();
+          expect(requester.request('abc', 'GET', downloadOptions: options),
+                 throwsA(isTestError));
+        });
+
+        test('media-detailed-400', () {
+          makeDetailed400Error();
+          requester.request('abc', 'GET')
+              .catchError(expectAsync((error, stack) {
+            expect(error, isDetailedApiRequestError);
+            DetailedApiRequestError e = error;
+            expect(e.status, equals(42));
+            expect(e.message, equals('foo'));
+          }));
+        });
+
+        test('media-199', () {
+          makeNormal199Error();
+          expect(requester.request('abc', 'GET', downloadOptions: options),
+                 throwsA(isApiRequestError));
+        });
+      });
+
+
+      // Tests for path/query parameters
+
+      test('request-parameters-query', () {
+        var queryParams = {
+            'a' : ['a1', 'a2'],
+            's' : ['s1']
+        };
+        httpMock.register(expectAsync((http.BaseRequest request, json) {
+          expect(request.method, equals('GET'));
+          expect('${request.url}',
+                 equals('http://example.com/base/abc?a=a1&a=a2&s=s1&alt=json'));
+          return stringResponse(200, responseHeaders, '');
+        }), true);
+        requester.request('abc', 'GET', queryParams: queryParams)
+            .then(expectAsync((response) {
+          expect(response, isNull);
+        }));
+      });
+
+      test('request-parameters-path', () {
+        httpMock.register(expectAsync((http.BaseRequest request, json) {
+          expect(request.method, equals('GET'));
+          expect('${request.url}', equals(
+              'http://example.com/base/s/foo/a1/a2/bar/s1/e?alt=json'));
+          return stringResponse(200, responseHeaders, '');
+        }), true);
+        requester.request('s/foo/a1/a2/bar/s1/e', 'GET')
+            .then(expectAsync((response) {
+          expect(response, isNull);
+        }));
+      });
+    });
+  });
+}