device_doctor/test/src/utils.dart

// Copyright 2020 The Flutter Authors. 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:io';
import 'dart:convert';

import 'package:mockito/mockito.dart';
import 'package:process/process.dart';

class MockPlatform extends Mock implements Platform {}

class MockProcessManager extends Mock implements ProcessManager {
  @override
  Future<Process> start(
    List<Object>? command, {
    String? workingDirectory,
    Map<String, String>? environment,
    bool includeParentEnvironment = true,
    bool runInShell = false,
    ProcessStartMode mode = ProcessStartMode.normal,
  }) {
    return super.noSuchMethod(Invocation.method(#start, [command], {#workingDirectory: workingDirectory}),
        returnValue: Future<Process>.value(FakeProcess(0)));
  }

  @override
  ProcessResult runSync(
    List<Object> command, {
    String? workingDirectory,
    Map<String, String>? environment,
    bool includeParentEnvironment = true,
    bool runInShell = false,
    covariant Encoding? stdoutEncoding = systemEncoding,
    covariant Encoding? stderrEncoding = systemEncoding,
  }) {
    return super.noSuchMethod(Invocation.method(#runSync, [command]), returnValue: ProcessResult(1, 0, 'abc', 'def'));
  }
}

class FakeProcess extends Fake implements Process {
  FakeProcess(int exitCode,
      {List<List<int>>? err = const [
        <int>[1, 2, 3]
      ],
      List<List<int>>? out = const [
        <int>[1, 2, 3]
      ]})
      : _exitCode = exitCode,
        _err = err,
        _out = out;

  int _exitCode;
  List<List<int>>? _err;
  List<List<int>>? _out;

  @override
  Future<int> get exitCode => Future.value(_exitCode);

  @override
  Stream<List<int>> get stderr => Stream.fromIterable(_err ?? <List<int>>[]);

  @override
  Stream<List<int>> get stdout => Stream.fromIterable(_out ?? <List<int>>[utf8.encode('test')]);
}