script/tool/test/mocks.dart

// Copyright 2013 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:async';
import 'dart:io' as io;

import 'package:file/file.dart';
import 'package:mockito/mockito.dart';
import 'package:platform/platform.dart';

class MockPlatform extends Mock implements Platform {
  MockPlatform({
    this.isLinux = false,
    this.isMacOS = false,
    this.isWindows = false,
  });

  @override
  bool isLinux;

  @override
  bool isMacOS;

  @override
  bool isWindows;

  @override
  Uri get script => isWindows
      ? Uri.file(r'C:\foo\bar', windows: true)
      : Uri.file('/foo/bar', windows: false);
}

class MockProcess extends Mock implements io.Process {
  MockProcess();

  /// A mock process that terminates with exitCode 0.
  MockProcess.succeeding() {
    exitCodeCompleter.complete(0);
  }

  /// A mock process that terminates with exitCode 1.
  MockProcess.failing() {
    exitCodeCompleter.complete(1);
  }

  final Completer<int> exitCodeCompleter = Completer<int>();
  final StreamController<List<int>> stdoutController =
      StreamController<List<int>>();
  final StreamController<List<int>> stderrController =
      StreamController<List<int>>();
  final MockIOSink stdinMock = MockIOSink();

  @override
  int get pid => 99;

  @override
  Future<int> get exitCode => exitCodeCompleter.future;

  @override
  Stream<List<int>> get stdout => stdoutController.stream;

  @override
  Stream<List<int>> get stderr => stderrController.stream;

  @override
  IOSink get stdin => stdinMock;
}

class MockIOSink extends Mock implements IOSink {
  List<String> lines = <String>[];

  @override
  void writeln([Object? obj = '']) => lines.add(obj.toString());
}