generated/googleapis/test/cloudtrace/v2_test.dart

// ignore_for_file: camel_case_types
// ignore_for_file: comment_references
// ignore_for_file: constant_identifier_names
// ignore_for_file: directives_ordering
// ignore_for_file: library_names
// ignore_for_file: lines_longer_than_80_chars
// ignore_for_file: non_constant_identifier_names
// ignore_for_file: omit_local_variable_types
// ignore_for_file: prefer_final_locals
// ignore_for_file: prefer_interpolation_to_compose_strings
// ignore_for_file: unnecessary_brace_in_string_interps
// ignore_for_file: unnecessary_cast
// ignore_for_file: unnecessary_parenthesis
// ignore_for_file: unnecessary_string_interpolations
// ignore_for_file: avoid_returning_null
// ignore_for_file: cascade_invocations
// ignore_for_file: prefer_single_quotes
// ignore_for_file: unnecessary_lambdas
// ignore_for_file: unused_local_variable

library googleapis.cloudtrace.v2.test;

import "dart:core" as core;
import "dart:async" as async;
import "dart:convert" as convert;

import 'package:http/http.dart' as http;
import 'package:test/test.dart' as unittest;

import 'package:googleapis/cloudtrace/v2.dart' as api;

class HttpServerMock extends http.BaseClient {
  core.Function _callback;
  core.bool _expectJson;

  void register(core.Function callback, core.bool expectJson) {
    _callback = callback;
    _expectJson = expectJson;
  }

  @core.override
  async.Future<http.StreamedResponse> send(http.BaseRequest request) async {
    if (_expectJson) {
      final jsonString =
          await request.finalize().transform(convert.utf8.decoder).join('');
      if (jsonString.isEmpty) {
        return _callback(request, null);
      } else {
        return _callback(request, convert.json.decode(jsonString));
      }
    } else {
      var stream = request.finalize();
      if (stream == null) {
        return _callback(request, []);
      } else {
        final data = await stream.toBytes();
        return _callback(request, data);
      }
    }
  }
}

http.StreamedResponse stringResponse(core.int status,
    core.Map<core.String, core.String> headers, core.String body) {
  var stream = async.Stream.fromIterable([convert.utf8.encode(body)]);
  return http.StreamedResponse(stream, status, headers: headers);
}

core.int buildCounterAnnotation = 0;
api.Annotation buildAnnotation() {
  var o = api.Annotation();
  buildCounterAnnotation++;
  if (buildCounterAnnotation < 3) {
    o.attributes = buildAttributes();
    o.description = buildTruncatableString();
  }
  buildCounterAnnotation--;
  return o;
}

void checkAnnotation(api.Annotation o) {
  buildCounterAnnotation++;
  if (buildCounterAnnotation < 3) {
    checkAttributes(o.attributes);
    checkTruncatableString(o.description);
  }
  buildCounterAnnotation--;
}

core.int buildCounterAttributeValue = 0;
api.AttributeValue buildAttributeValue() {
  var o = api.AttributeValue();
  buildCounterAttributeValue++;
  if (buildCounterAttributeValue < 3) {
    o.boolValue = true;
    o.intValue = 'foo';
    o.stringValue = buildTruncatableString();
  }
  buildCounterAttributeValue--;
  return o;
}

void checkAttributeValue(api.AttributeValue o) {
  buildCounterAttributeValue++;
  if (buildCounterAttributeValue < 3) {
    unittest.expect(o.boolValue, unittest.isTrue);
    unittest.expect(o.intValue, unittest.equals('foo'));
    checkTruncatableString(o.stringValue);
  }
  buildCounterAttributeValue--;
}

core.Map<core.String, api.AttributeValue> buildUnnamed1338() {
  var o = <core.String, api.AttributeValue>{};
  o['x'] = buildAttributeValue();
  o['y'] = buildAttributeValue();
  return o;
}

void checkUnnamed1338(core.Map<core.String, api.AttributeValue> o) {
  unittest.expect(o, unittest.hasLength(2));
  checkAttributeValue(o['x']);
  checkAttributeValue(o['y']);
}

core.int buildCounterAttributes = 0;
api.Attributes buildAttributes() {
  var o = api.Attributes();
  buildCounterAttributes++;
  if (buildCounterAttributes < 3) {
    o.attributeMap = buildUnnamed1338();
    o.droppedAttributesCount = 42;
  }
  buildCounterAttributes--;
  return o;
}

void checkAttributes(api.Attributes o) {
  buildCounterAttributes++;
  if (buildCounterAttributes < 3) {
    checkUnnamed1338(o.attributeMap);
    unittest.expect(o.droppedAttributesCount, unittest.equals(42));
  }
  buildCounterAttributes--;
}

core.List<api.Span> buildUnnamed1339() {
  var o = <api.Span>[];
  o.add(buildSpan());
  o.add(buildSpan());
  return o;
}

void checkUnnamed1339(core.List<api.Span> o) {
  unittest.expect(o, unittest.hasLength(2));
  checkSpan(o[0]);
  checkSpan(o[1]);
}

core.int buildCounterBatchWriteSpansRequest = 0;
api.BatchWriteSpansRequest buildBatchWriteSpansRequest() {
  var o = api.BatchWriteSpansRequest();
  buildCounterBatchWriteSpansRequest++;
  if (buildCounterBatchWriteSpansRequest < 3) {
    o.spans = buildUnnamed1339();
  }
  buildCounterBatchWriteSpansRequest--;
  return o;
}

void checkBatchWriteSpansRequest(api.BatchWriteSpansRequest o) {
  buildCounterBatchWriteSpansRequest++;
  if (buildCounterBatchWriteSpansRequest < 3) {
    checkUnnamed1339(o.spans);
  }
  buildCounterBatchWriteSpansRequest--;
}

core.int buildCounterEmpty = 0;
api.Empty buildEmpty() {
  var o = api.Empty();
  buildCounterEmpty++;
  if (buildCounterEmpty < 3) {}
  buildCounterEmpty--;
  return o;
}

void checkEmpty(api.Empty o) {
  buildCounterEmpty++;
  if (buildCounterEmpty < 3) {}
  buildCounterEmpty--;
}

core.int buildCounterLink = 0;
api.Link buildLink() {
  var o = api.Link();
  buildCounterLink++;
  if (buildCounterLink < 3) {
    o.attributes = buildAttributes();
    o.spanId = 'foo';
    o.traceId = 'foo';
    o.type = 'foo';
  }
  buildCounterLink--;
  return o;
}

void checkLink(api.Link o) {
  buildCounterLink++;
  if (buildCounterLink < 3) {
    checkAttributes(o.attributes);
    unittest.expect(o.spanId, unittest.equals('foo'));
    unittest.expect(o.traceId, unittest.equals('foo'));
    unittest.expect(o.type, unittest.equals('foo'));
  }
  buildCounterLink--;
}

core.List<api.Link> buildUnnamed1340() {
  var o = <api.Link>[];
  o.add(buildLink());
  o.add(buildLink());
  return o;
}

void checkUnnamed1340(core.List<api.Link> o) {
  unittest.expect(o, unittest.hasLength(2));
  checkLink(o[0]);
  checkLink(o[1]);
}

core.int buildCounterLinks = 0;
api.Links buildLinks() {
  var o = api.Links();
  buildCounterLinks++;
  if (buildCounterLinks < 3) {
    o.droppedLinksCount = 42;
    o.link = buildUnnamed1340();
  }
  buildCounterLinks--;
  return o;
}

void checkLinks(api.Links o) {
  buildCounterLinks++;
  if (buildCounterLinks < 3) {
    unittest.expect(o.droppedLinksCount, unittest.equals(42));
    checkUnnamed1340(o.link);
  }
  buildCounterLinks--;
}

core.int buildCounterMessageEvent = 0;
api.MessageEvent buildMessageEvent() {
  var o = api.MessageEvent();
  buildCounterMessageEvent++;
  if (buildCounterMessageEvent < 3) {
    o.compressedSizeBytes = 'foo';
    o.id = 'foo';
    o.type = 'foo';
    o.uncompressedSizeBytes = 'foo';
  }
  buildCounterMessageEvent--;
  return o;
}

void checkMessageEvent(api.MessageEvent o) {
  buildCounterMessageEvent++;
  if (buildCounterMessageEvent < 3) {
    unittest.expect(o.compressedSizeBytes, unittest.equals('foo'));
    unittest.expect(o.id, unittest.equals('foo'));
    unittest.expect(o.type, unittest.equals('foo'));
    unittest.expect(o.uncompressedSizeBytes, unittest.equals('foo'));
  }
  buildCounterMessageEvent--;
}

core.int buildCounterModule = 0;
api.Module buildModule() {
  var o = api.Module();
  buildCounterModule++;
  if (buildCounterModule < 3) {
    o.buildId = buildTruncatableString();
    o.module = buildTruncatableString();
  }
  buildCounterModule--;
  return o;
}

void checkModule(api.Module o) {
  buildCounterModule++;
  if (buildCounterModule < 3) {
    checkTruncatableString(o.buildId);
    checkTruncatableString(o.module);
  }
  buildCounterModule--;
}

core.int buildCounterSpan = 0;
api.Span buildSpan() {
  var o = api.Span();
  buildCounterSpan++;
  if (buildCounterSpan < 3) {
    o.attributes = buildAttributes();
    o.childSpanCount = 42;
    o.displayName = buildTruncatableString();
    o.endTime = 'foo';
    o.links = buildLinks();
    o.name = 'foo';
    o.parentSpanId = 'foo';
    o.sameProcessAsParentSpan = true;
    o.spanId = 'foo';
    o.spanKind = 'foo';
    o.stackTrace = buildStackTrace();
    o.startTime = 'foo';
    o.status = buildStatus();
    o.timeEvents = buildTimeEvents();
  }
  buildCounterSpan--;
  return o;
}

void checkSpan(api.Span o) {
  buildCounterSpan++;
  if (buildCounterSpan < 3) {
    checkAttributes(o.attributes);
    unittest.expect(o.childSpanCount, unittest.equals(42));
    checkTruncatableString(o.displayName);
    unittest.expect(o.endTime, unittest.equals('foo'));
    checkLinks(o.links);
    unittest.expect(o.name, unittest.equals('foo'));
    unittest.expect(o.parentSpanId, unittest.equals('foo'));
    unittest.expect(o.sameProcessAsParentSpan, unittest.isTrue);
    unittest.expect(o.spanId, unittest.equals('foo'));
    unittest.expect(o.spanKind, unittest.equals('foo'));
    checkStackTrace(o.stackTrace);
    unittest.expect(o.startTime, unittest.equals('foo'));
    checkStatus(o.status);
    checkTimeEvents(o.timeEvents);
  }
  buildCounterSpan--;
}

core.int buildCounterStackFrame = 0;
api.StackFrame buildStackFrame() {
  var o = api.StackFrame();
  buildCounterStackFrame++;
  if (buildCounterStackFrame < 3) {
    o.columnNumber = 'foo';
    o.fileName = buildTruncatableString();
    o.functionName = buildTruncatableString();
    o.lineNumber = 'foo';
    o.loadModule = buildModule();
    o.originalFunctionName = buildTruncatableString();
    o.sourceVersion = buildTruncatableString();
  }
  buildCounterStackFrame--;
  return o;
}

void checkStackFrame(api.StackFrame o) {
  buildCounterStackFrame++;
  if (buildCounterStackFrame < 3) {
    unittest.expect(o.columnNumber, unittest.equals('foo'));
    checkTruncatableString(o.fileName);
    checkTruncatableString(o.functionName);
    unittest.expect(o.lineNumber, unittest.equals('foo'));
    checkModule(o.loadModule);
    checkTruncatableString(o.originalFunctionName);
    checkTruncatableString(o.sourceVersion);
  }
  buildCounterStackFrame--;
}

core.List<api.StackFrame> buildUnnamed1341() {
  var o = <api.StackFrame>[];
  o.add(buildStackFrame());
  o.add(buildStackFrame());
  return o;
}

void checkUnnamed1341(core.List<api.StackFrame> o) {
  unittest.expect(o, unittest.hasLength(2));
  checkStackFrame(o[0]);
  checkStackFrame(o[1]);
}

core.int buildCounterStackFrames = 0;
api.StackFrames buildStackFrames() {
  var o = api.StackFrames();
  buildCounterStackFrames++;
  if (buildCounterStackFrames < 3) {
    o.droppedFramesCount = 42;
    o.frame = buildUnnamed1341();
  }
  buildCounterStackFrames--;
  return o;
}

void checkStackFrames(api.StackFrames o) {
  buildCounterStackFrames++;
  if (buildCounterStackFrames < 3) {
    unittest.expect(o.droppedFramesCount, unittest.equals(42));
    checkUnnamed1341(o.frame);
  }
  buildCounterStackFrames--;
}

core.int buildCounterStackTrace = 0;
api.StackTrace buildStackTrace() {
  var o = api.StackTrace();
  buildCounterStackTrace++;
  if (buildCounterStackTrace < 3) {
    o.stackFrames = buildStackFrames();
    o.stackTraceHashId = 'foo';
  }
  buildCounterStackTrace--;
  return o;
}

void checkStackTrace(api.StackTrace o) {
  buildCounterStackTrace++;
  if (buildCounterStackTrace < 3) {
    checkStackFrames(o.stackFrames);
    unittest.expect(o.stackTraceHashId, unittest.equals('foo'));
  }
  buildCounterStackTrace--;
}

core.Map<core.String, core.Object> buildUnnamed1342() {
  var o = <core.String, core.Object>{};
  o['x'] = {
    'list': [1, 2, 3],
    'bool': true,
    'string': 'foo'
  };
  o['y'] = {
    'list': [1, 2, 3],
    'bool': true,
    'string': 'foo'
  };
  return o;
}

void checkUnnamed1342(core.Map<core.String, core.Object> o) {
  unittest.expect(o, unittest.hasLength(2));
  var casted1 = (o['x']) as core.Map;
  unittest.expect(casted1, unittest.hasLength(3));
  unittest.expect(casted1['list'], unittest.equals([1, 2, 3]));
  unittest.expect(casted1['bool'], unittest.equals(true));
  unittest.expect(casted1['string'], unittest.equals('foo'));
  var casted2 = (o['y']) as core.Map;
  unittest.expect(casted2, unittest.hasLength(3));
  unittest.expect(casted2['list'], unittest.equals([1, 2, 3]));
  unittest.expect(casted2['bool'], unittest.equals(true));
  unittest.expect(casted2['string'], unittest.equals('foo'));
}

core.List<core.Map<core.String, core.Object>> buildUnnamed1343() {
  var o = <core.Map<core.String, core.Object>>[];
  o.add(buildUnnamed1342());
  o.add(buildUnnamed1342());
  return o;
}

void checkUnnamed1343(core.List<core.Map<core.String, core.Object>> o) {
  unittest.expect(o, unittest.hasLength(2));
  checkUnnamed1342(o[0]);
  checkUnnamed1342(o[1]);
}

core.int buildCounterStatus = 0;
api.Status buildStatus() {
  var o = api.Status();
  buildCounterStatus++;
  if (buildCounterStatus < 3) {
    o.code = 42;
    o.details = buildUnnamed1343();
    o.message = 'foo';
  }
  buildCounterStatus--;
  return o;
}

void checkStatus(api.Status o) {
  buildCounterStatus++;
  if (buildCounterStatus < 3) {
    unittest.expect(o.code, unittest.equals(42));
    checkUnnamed1343(o.details);
    unittest.expect(o.message, unittest.equals('foo'));
  }
  buildCounterStatus--;
}

core.int buildCounterTimeEvent = 0;
api.TimeEvent buildTimeEvent() {
  var o = api.TimeEvent();
  buildCounterTimeEvent++;
  if (buildCounterTimeEvent < 3) {
    o.annotation = buildAnnotation();
    o.messageEvent = buildMessageEvent();
    o.time = 'foo';
  }
  buildCounterTimeEvent--;
  return o;
}

void checkTimeEvent(api.TimeEvent o) {
  buildCounterTimeEvent++;
  if (buildCounterTimeEvent < 3) {
    checkAnnotation(o.annotation);
    checkMessageEvent(o.messageEvent);
    unittest.expect(o.time, unittest.equals('foo'));
  }
  buildCounterTimeEvent--;
}

core.List<api.TimeEvent> buildUnnamed1344() {
  var o = <api.TimeEvent>[];
  o.add(buildTimeEvent());
  o.add(buildTimeEvent());
  return o;
}

void checkUnnamed1344(core.List<api.TimeEvent> o) {
  unittest.expect(o, unittest.hasLength(2));
  checkTimeEvent(o[0]);
  checkTimeEvent(o[1]);
}

core.int buildCounterTimeEvents = 0;
api.TimeEvents buildTimeEvents() {
  var o = api.TimeEvents();
  buildCounterTimeEvents++;
  if (buildCounterTimeEvents < 3) {
    o.droppedAnnotationsCount = 42;
    o.droppedMessageEventsCount = 42;
    o.timeEvent = buildUnnamed1344();
  }
  buildCounterTimeEvents--;
  return o;
}

void checkTimeEvents(api.TimeEvents o) {
  buildCounterTimeEvents++;
  if (buildCounterTimeEvents < 3) {
    unittest.expect(o.droppedAnnotationsCount, unittest.equals(42));
    unittest.expect(o.droppedMessageEventsCount, unittest.equals(42));
    checkUnnamed1344(o.timeEvent);
  }
  buildCounterTimeEvents--;
}

core.int buildCounterTruncatableString = 0;
api.TruncatableString buildTruncatableString() {
  var o = api.TruncatableString();
  buildCounterTruncatableString++;
  if (buildCounterTruncatableString < 3) {
    o.truncatedByteCount = 42;
    o.value = 'foo';
  }
  buildCounterTruncatableString--;
  return o;
}

void checkTruncatableString(api.TruncatableString o) {
  buildCounterTruncatableString++;
  if (buildCounterTruncatableString < 3) {
    unittest.expect(o.truncatedByteCount, unittest.equals(42));
    unittest.expect(o.value, unittest.equals('foo'));
  }
  buildCounterTruncatableString--;
}

void main() {
  unittest.group('obj-schema-Annotation', () {
    unittest.test('to-json--from-json', () {
      var o = buildAnnotation();
      var od = api.Annotation.fromJson(o.toJson());
      checkAnnotation(od);
    });
  });

  unittest.group('obj-schema-AttributeValue', () {
    unittest.test('to-json--from-json', () {
      var o = buildAttributeValue();
      var od = api.AttributeValue.fromJson(o.toJson());
      checkAttributeValue(od);
    });
  });

  unittest.group('obj-schema-Attributes', () {
    unittest.test('to-json--from-json', () {
      var o = buildAttributes();
      var od = api.Attributes.fromJson(o.toJson());
      checkAttributes(od);
    });
  });

  unittest.group('obj-schema-BatchWriteSpansRequest', () {
    unittest.test('to-json--from-json', () {
      var o = buildBatchWriteSpansRequest();
      var od = api.BatchWriteSpansRequest.fromJson(o.toJson());
      checkBatchWriteSpansRequest(od);
    });
  });

  unittest.group('obj-schema-Empty', () {
    unittest.test('to-json--from-json', () {
      var o = buildEmpty();
      var od = api.Empty.fromJson(o.toJson());
      checkEmpty(od);
    });
  });

  unittest.group('obj-schema-Link', () {
    unittest.test('to-json--from-json', () {
      var o = buildLink();
      var od = api.Link.fromJson(o.toJson());
      checkLink(od);
    });
  });

  unittest.group('obj-schema-Links', () {
    unittest.test('to-json--from-json', () {
      var o = buildLinks();
      var od = api.Links.fromJson(o.toJson());
      checkLinks(od);
    });
  });

  unittest.group('obj-schema-MessageEvent', () {
    unittest.test('to-json--from-json', () {
      var o = buildMessageEvent();
      var od = api.MessageEvent.fromJson(o.toJson());
      checkMessageEvent(od);
    });
  });

  unittest.group('obj-schema-Module', () {
    unittest.test('to-json--from-json', () {
      var o = buildModule();
      var od = api.Module.fromJson(o.toJson());
      checkModule(od);
    });
  });

  unittest.group('obj-schema-Span', () {
    unittest.test('to-json--from-json', () {
      var o = buildSpan();
      var od = api.Span.fromJson(o.toJson());
      checkSpan(od);
    });
  });

  unittest.group('obj-schema-StackFrame', () {
    unittest.test('to-json--from-json', () {
      var o = buildStackFrame();
      var od = api.StackFrame.fromJson(o.toJson());
      checkStackFrame(od);
    });
  });

  unittest.group('obj-schema-StackFrames', () {
    unittest.test('to-json--from-json', () {
      var o = buildStackFrames();
      var od = api.StackFrames.fromJson(o.toJson());
      checkStackFrames(od);
    });
  });

  unittest.group('obj-schema-StackTrace', () {
    unittest.test('to-json--from-json', () {
      var o = buildStackTrace();
      var od = api.StackTrace.fromJson(o.toJson());
      checkStackTrace(od);
    });
  });

  unittest.group('obj-schema-Status', () {
    unittest.test('to-json--from-json', () {
      var o = buildStatus();
      var od = api.Status.fromJson(o.toJson());
      checkStatus(od);
    });
  });

  unittest.group('obj-schema-TimeEvent', () {
    unittest.test('to-json--from-json', () {
      var o = buildTimeEvent();
      var od = api.TimeEvent.fromJson(o.toJson());
      checkTimeEvent(od);
    });
  });

  unittest.group('obj-schema-TimeEvents', () {
    unittest.test('to-json--from-json', () {
      var o = buildTimeEvents();
      var od = api.TimeEvents.fromJson(o.toJson());
      checkTimeEvents(od);
    });
  });

  unittest.group('obj-schema-TruncatableString', () {
    unittest.test('to-json--from-json', () {
      var o = buildTruncatableString();
      var od = api.TruncatableString.fromJson(o.toJson());
      checkTruncatableString(od);
    });
  });

  unittest.group('resource-ProjectsTracesResourceApi', () {
    unittest.test('method--batchWrite', () {
      var mock = HttpServerMock();
      api.ProjectsTracesResourceApi res =
          api.CloudtraceApi(mock).projects.traces;
      var arg_request = buildBatchWriteSpansRequest();
      var arg_name = 'foo';
      var arg_$fields = 'foo';
      mock.register(unittest.expectAsync2((http.BaseRequest req, json) {
        var obj = api.BatchWriteSpansRequest.fromJson(json);
        checkBatchWriteSpansRequest(obj);

        var path = (req.url).path;
        var pathOffset = 0;
        core.int index;
        core.String subPart;
        unittest.expect(
            path.substring(pathOffset, pathOffset + 1), unittest.equals("/"));
        pathOffset += 1;
        unittest.expect(
            path.substring(pathOffset, pathOffset + 3), unittest.equals("v2/"));
        pathOffset += 3;
        // NOTE: We cannot test reserved expansions due to the inability to reverse the operation;

        var query = (req.url).query;
        var queryOffset = 0;
        var queryMap = <core.String, core.List<core.String>>{};
        void addQueryParam(n, v) => queryMap.putIfAbsent(n, () => []).add(v);

        if (query.isNotEmpty) {
          for (var part in query.split('&')) {
            var keyValue = part.split('=');
            addQueryParam(
              core.Uri.decodeQueryComponent(keyValue[0]),
              core.Uri.decodeQueryComponent(keyValue[1]),
            );
          }
        }
        unittest.expect(queryMap["fields"].first, unittest.equals(arg_$fields));

        var h = {
          'content-type': 'application/json; charset=utf-8',
        };
        var resp = convert.json.encode(buildEmpty());
        return async.Future.value(stringResponse(200, h, resp));
      }), true);
      res
          .batchWrite(arg_request, arg_name, $fields: arg_$fields)
          .then(unittest.expectAsync1(((response) {
        checkEmpty(response);
      })));
    });
  });

  unittest.group('resource-ProjectsTracesSpansResourceApi', () {
    unittest.test('method--createSpan', () {
      var mock = HttpServerMock();
      api.ProjectsTracesSpansResourceApi res =
          api.CloudtraceApi(mock).projects.traces.spans;
      var arg_request = buildSpan();
      var arg_name = 'foo';
      var arg_$fields = 'foo';
      mock.register(unittest.expectAsync2((http.BaseRequest req, json) {
        var obj = api.Span.fromJson(json);
        checkSpan(obj);

        var path = (req.url).path;
        var pathOffset = 0;
        core.int index;
        core.String subPart;
        unittest.expect(
            path.substring(pathOffset, pathOffset + 1), unittest.equals("/"));
        pathOffset += 1;
        unittest.expect(
            path.substring(pathOffset, pathOffset + 3), unittest.equals("v2/"));
        pathOffset += 3;
        // NOTE: We cannot test reserved expansions due to the inability to reverse the operation;

        var query = (req.url).query;
        var queryOffset = 0;
        var queryMap = <core.String, core.List<core.String>>{};
        void addQueryParam(n, v) => queryMap.putIfAbsent(n, () => []).add(v);

        if (query.isNotEmpty) {
          for (var part in query.split('&')) {
            var keyValue = part.split('=');
            addQueryParam(
              core.Uri.decodeQueryComponent(keyValue[0]),
              core.Uri.decodeQueryComponent(keyValue[1]),
            );
          }
        }
        unittest.expect(queryMap["fields"].first, unittest.equals(arg_$fields));

        var h = {
          'content-type': 'application/json; charset=utf-8',
        };
        var resp = convert.json.encode(buildSpan());
        return async.Future.value(stringResponse(200, h, resp));
      }), true);
      res
          .createSpan(arg_request, arg_name, $fields: arg_$fields)
          .then(unittest.expectAsync1(((response) {
        checkSpan(response);
      })));
    });
  });
}