mdns_discovery_test.dart 7.44 KB
Newer Older
Ian Hickson's avatar
Ian Hickson committed
1
// Copyright 2014 The Flutter Authors. All rights reserved.
2 3 4 5 6
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'dart:async';

7
import 'package:flutter_tools/src/base/io.dart';
8 9 10 11 12 13
import 'package:flutter_tools/src/mdns_discovery.dart';
import 'package:mockito/mockito.dart';
import 'package:multicast_dns/multicast_dns.dart';

import '../src/common.dart';
import '../src/context.dart';
14
import '../src/mocks.dart';
15 16 17 18 19

void main() {
  group('mDNS Discovery', () {
    final int year3000 = DateTime(3000).millisecondsSinceEpoch;

20 21 22 23 24 25 26 27 28 29 30 31 32 33
    setUp(() {
      setNetworkInterfaceLister(
        ({
          bool includeLoopback,
          bool includeLinkLocal,
          InternetAddressType type,
        }) async => <NetworkInterface>[],
      );
    });

    tearDown(() {
      resetNetworkInterfaceLister();
    });

34 35
    MDnsClient getMockClient(
      List<PtrResourceRecord> ptrRecords,
36 37 38
      Map<String, List<SrvResourceRecord>> srvResponse, {
      Map<String, List<TxtResourceRecord>> txtResponse = const <String, List<TxtResourceRecord>>{},
    }) {
39 40 41 42 43 44 45 46 47 48 49
      final MDnsClient client = MockMDnsClient();

      when(client.lookup<PtrResourceRecord>(
        ResourceRecordQuery.serverPointer(MDnsObservatoryDiscovery.dartObservatoryName),
      )).thenAnswer((_) => Stream<PtrResourceRecord>.fromIterable(ptrRecords));

      for (final MapEntry<String, List<SrvResourceRecord>> entry in srvResponse.entries) {
        when(client.lookup<SrvResourceRecord>(
          ResourceRecordQuery.service(entry.key),
        )).thenAnswer((_) => Stream<SrvResourceRecord>.fromIterable(entry.value));
      }
50 51 52 53 54 55

      for (final MapEntry<String, List<TxtResourceRecord>> entry in txtResponse.entries) {
        when(client.lookup<TxtResourceRecord>(
          ResourceRecordQuery.text(entry.key),
        )).thenAnswer((_) => Stream<TxtResourceRecord>.fromIterable(entry.value));
      }
56 57 58 59 60 61 62 63 64 65 66
      return client;
    }

    testUsingContext('No ports available', () async {
      final MDnsClient client = getMockClient(<PtrResourceRecord>[], <String, List<SrvResourceRecord>>{});

      final MDnsObservatoryDiscovery portDiscovery = MDnsObservatoryDiscovery(mdnsClient: client);
      final int port = (await portDiscovery.query())?.port;
      expect(port, isNull);
    });

67 68 69 70 71 72 73 74 75 76 77 78
    testUsingContext('Prints helpful message when there is no ipv4 link local address.', () async {
      final MDnsClient client = getMockClient(<PtrResourceRecord>[], <String, List<SrvResourceRecord>>{});
      final MDnsObservatoryDiscovery portDiscovery = MDnsObservatoryDiscovery(mdnsClient: client);

      final Uri uri = await portDiscovery.getObservatoryUri(
        '',
        MockIOSDevice(),
      );
      expect(uri, isNull);
      expect(testLogger.errorText, contains('Personal Hotspot'));
    });

79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
    testUsingContext('One port available, no appId', () async {
      final MDnsClient client = getMockClient(
        <PtrResourceRecord>[
          PtrResourceRecord('foo', year3000, domainName: 'bar'),
        ],
        <String, List<SrvResourceRecord>>{
          'bar': <SrvResourceRecord>[
            SrvResourceRecord('bar', year3000, port: 123, weight: 1, priority: 1, target: 'appId'),
          ],
        },
      );

      final MDnsObservatoryDiscovery portDiscovery = MDnsObservatoryDiscovery(mdnsClient: client);
      final int port = (await portDiscovery.query())?.port;
      expect(port, 123);
    });

96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120
    testUsingContext('One port available, no appId, with authCode', () async {
      final MDnsClient client = getMockClient(
        <PtrResourceRecord>[
          PtrResourceRecord('foo', year3000, domainName: 'bar'),
        ],
        <String, List<SrvResourceRecord>>{
          'bar': <SrvResourceRecord>[
            SrvResourceRecord('bar', year3000, port: 123, weight: 1, priority: 1, target: 'appId'),
          ],
        },
        txtResponse: <String, List<TxtResourceRecord>>{
          'bar': <TxtResourceRecord>[
            TxtResourceRecord('bar', year3000, text: 'authCode=xyz\n'),
          ],
        },
      );

      final MDnsObservatoryDiscovery portDiscovery = MDnsObservatoryDiscovery(
        mdnsClient: client,
      );
      final MDnsObservatoryDiscoveryResult result = await portDiscovery.query();
      expect(result?.port, 123);
      expect(result?.authCode, 'xyz/');
    });

121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198
    testUsingContext('Multiple ports available, without appId', () async {
      final MDnsClient client = getMockClient(
        <PtrResourceRecord>[
          PtrResourceRecord('foo', year3000, domainName: 'bar'),
          PtrResourceRecord('baz', year3000, domainName: 'fiz'),
        ],
        <String, List<SrvResourceRecord>>{
          'bar': <SrvResourceRecord>[
            SrvResourceRecord('bar', year3000, port: 123, weight: 1, priority: 1, target: 'appId'),
          ],
          'fiz': <SrvResourceRecord>[
            SrvResourceRecord('fiz', year3000, port: 321, weight: 1, priority: 1, target: 'local'),
          ],
        },
      );

      final MDnsObservatoryDiscovery portDiscovery = MDnsObservatoryDiscovery(mdnsClient: client);
      expect(() => portDiscovery.query(), throwsToolExit());
    });

    testUsingContext('Multiple ports available, with appId', () async {
      final MDnsClient client = getMockClient(
        <PtrResourceRecord>[
          PtrResourceRecord('foo', year3000, domainName: 'bar'),
          PtrResourceRecord('baz', year3000, domainName: 'fiz'),
        ],
        <String, List<SrvResourceRecord>>{
          'bar': <SrvResourceRecord>[
            SrvResourceRecord('bar', year3000, port: 123, weight: 1, priority: 1, target: 'appId'),
          ],
          'fiz': <SrvResourceRecord>[
            SrvResourceRecord('fiz', year3000, port: 321, weight: 1, priority: 1, target: 'local'),
          ],
        },
      );

      final MDnsObservatoryDiscovery portDiscovery = MDnsObservatoryDiscovery(mdnsClient: client);
      final int port = (await portDiscovery.query(applicationId: 'fiz'))?.port;
      expect(port, 321);
    });

    testUsingContext('Multiple ports available per process, with appId', () async {
      final MDnsClient client = getMockClient(
        <PtrResourceRecord>[
          PtrResourceRecord('foo', year3000, domainName: 'bar'),
          PtrResourceRecord('baz', year3000, domainName: 'fiz'),
        ],
        <String, List<SrvResourceRecord>>{
          'bar': <SrvResourceRecord>[
            SrvResourceRecord('bar', year3000, port: 1234, weight: 1, priority: 1, target: 'appId'),
            SrvResourceRecord('bar', year3000, port: 123, weight: 1, priority: 1, target: 'appId'),
          ],
          'fiz': <SrvResourceRecord>[
            SrvResourceRecord('fiz', year3000, port: 4321, weight: 1, priority: 1, target: 'local'),
            SrvResourceRecord('fiz', year3000, port: 321, weight: 1, priority: 1, target: 'local'),
          ],
        },
      );

      final MDnsObservatoryDiscovery portDiscovery = MDnsObservatoryDiscovery(mdnsClient: client);
      final int port = (await portDiscovery.query(applicationId: 'bar'))?.port;
      expect(port, 1234);
    });

    testUsingContext('Query returns null', () async {
      final MDnsClient client = getMockClient(
        <PtrResourceRecord>[],
         <String, List<SrvResourceRecord>>{},
      );

      final MDnsObservatoryDiscovery portDiscovery = MDnsObservatoryDiscovery(mdnsClient: client);
      final int port = (await portDiscovery.query(applicationId: 'bar'))?.port;
      expect(port, isNull);
    });
  });
}

class MockMDnsClient extends Mock implements MDnsClient {}