dev/bots/test/analyze_sample_code_test.dart

// Copyright 2014 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 'common.dart';

void main() {
  // These tests don't run on Windows because the sample analyzer doesn't
  // support Windows as a platform, since it is only run on Linux in the
  // continuous integration tests.
  if (Platform.isWindows) {
    return;
  }

  test('analyze_sample_code smoke test', () {
    final ProcessResult process = Process.runSync(
      '../../bin/cache/dart-sdk/bin/dart',
      <String>['analyze_sample_code.dart', '--no-include-dart-ui', 'test/analyze-sample-code-test-input'],
    );
    final List<String> stdoutLines = process.stdout.toString().split('\n');
    final List<String> stderrLines = process.stderr.toString().split('\n')
      ..removeWhere((String line) => line.startsWith('Analyzer output:') || line.startsWith('Building flutter tool...'));
    expect(process.exitCode, isNot(equals(0)));
    expect(stderrLines, <String>[
      'In sample starting at dev/bots/test/analyze-sample-code-test-input/known_broken_documentation.dart:117:bool? _visible = true;',
      '>>> info: Use late for private members with non-nullable type (use_late_for_private_fields_and_variables)',
      'In sample starting at dev/bots/test/analyze-sample-code-test-input/known_broken_documentation.dart:117:      child: Text(title),',
      ">>> error: The final variable 'title' can't be read because it is potentially unassigned at this point (read_potentially_unassigned_final)",
      'dev/bots/test/analyze-sample-code-test-input/known_broken_documentation.dart:30:9: new Opacity(',
      '>>> info: Unnecessary new keyword (unnecessary_new)',
      'dev/bots/test/analyze-sample-code-test-input/known_broken_documentation.dart:62:9: new Opacity(',
      '>>> info: Unnecessary new keyword (unnecessary_new)',
      "dev/bots/test/analyze-sample-code-test-input/known_broken_documentation.dart:95:9: const text0 = Text('Poor wandering ones!');",
      '>>> info: Specify type annotations (always_specify_types)',
      "dev/bots/test/analyze-sample-code-test-input/known_broken_documentation.dart:103:9: const text1 = _Text('Poor wandering ones!');",
      '>>> info: Specify type annotations (always_specify_types)',
      "dev/bots/test/analyze-sample-code-test-input/known_broken_documentation.dart:111:9: final String? bar = 'Hello';",
      '>>> info: Prefer const over final for declarations (prefer_const_declarations)',
      "dev/bots/test/analyze-sample-code-test-input/known_broken_documentation.dart:111:23: final String? bar = 'Hello';",
      '>>> info: Use a non-nullable type for a final variable initialized with a non-nullable value (unnecessary_nullable_for_final_variable_declarations)',
      'dev/bots/test/analyze-sample-code-test-input/known_broken_documentation.dart:112:9: final int foo = null;',
      '>>> info: Prefer const over final for declarations (prefer_const_declarations)',
      'dev/bots/test/analyze-sample-code-test-input/known_broken_documentation.dart:112:25: final int foo = null;',
      ">>> error: A value of type 'Null' can't be assigned to a variable of type 'int' (invalid_assignment)",
      '',
      'Found 2 sample code errors.',
      ''
    ]);
    expect(stdoutLines, <String>[
      'Found 8 snippet code blocks, 0 sample code sections, and 2 dartpad sections.',
      'Starting analysis of code samples.',
      '',
    ]);
  });
  test('Analyzes dart:ui code', () {
    final ProcessResult process = Process.runSync(
      '../../bin/cache/dart-sdk/bin/dart',
      <String>[
        'analyze_sample_code.dart',
        '--dart-ui-location',
        'test/analyze-sample-code-test-dart-ui',
        'test/analyze-sample-code-test-input',
      ],
    );
    final List<String> stdoutLines = process.stdout.toString().split('\n');
    expect(process.exitCode, isNot(equals(0)));
    expect(stdoutLines, equals(<String>[
      // There is one sample code section in the test's dummy dart:ui code.
      'Found 8 snippet code blocks, 1 sample code sections, and 2 dartpad sections.',
      '',
    ]));
  });
}