agent/test/src/health_test.dart

// Copyright 2019 The Chromium 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 'package:file/memory.dart';
import 'package:test/test.dart';
import 'package:platform/platform.dart' as platform;

import 'package:cocoon_agent/src/utils.dart';
import 'package:cocoon_agent/src/health.dart';

void main() {
  testRemoveXcodeDerivedData();
}

void testRemoveXcodeDerivedData() {
  MemoryFileSystem fs;

  setUp(() {
    fs = MemoryFileSystem();
  });

  test('ignores non-macOS', () async {
    platform.FakePlatform pf = platform.FakePlatform()
      ..operatingSystem = "linux";

    HealthCheckResult result = await removeXcodeDerivedData(pf: pf, fs: fs);

    expect(result.succeeded, true);
  });

  test('fails when missing home env var', () async {
    platform.FakePlatform pf = platform.FakePlatform()
      ..operatingSystem = "macos"
      ..environment = <String, String>{"HOME": null};

    HealthCheckResult result = await removeXcodeDerivedData(pf: pf, fs: fs);

    expect(result.succeeded, false);
  });

  test('throws no excpetion when missing DerivedData', () async {
    platform.FakePlatform pf = platform.FakePlatform()
      ..operatingSystem = "macos"
      ..environment = <String, String>{"HOME": "/foo"};

    HealthCheckResult result = await removeXcodeDerivedData(pf: pf, fs: fs);

    expect(result.succeeded, true);
  });

  test('removes DerivedData directory', () async {
    platform.FakePlatform pf = platform.FakePlatform()
      ..operatingSystem = "macos"
      ..environment = <String, String>{"HOME": "/foo"};
    const String path = "/foo/Library/Developer/Xcode/DerivedData/bar";
    fs.file(path)..createSync(recursive: true);

    HealthCheckResult result = await removeXcodeDerivedData(pf: pf, fs: fs);

    expect(await fs.file(path).exists(), isFalse);
    expect(result.succeeded, true);
  });
}