test/ascii_tree_test.dart

// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
// for details. 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:pub/src/ascii_tree.dart' as tree;
import 'package:test/test.dart';

/// Removes ansi color codes from [s].
String stripColors(String s) {
  return s.replaceAll(RegExp('\u001b\\[.*?m'), '');
}

void main() {
  group('tree.fromFiles', () {
    test('no files', () {
      expect(stripColors(tree.fromFiles([])), equals(''));
    });

    test('up to ten files in one directory are shown', () {
      var files = [
        'dir/a.dart',
        'dir/b.dart',
        'dir/c.dart',
        'dir/d.dart',
        'dir/e.dart',
        'dir/f.dart',
        'dir/g.dart',
        'dir/h.dart',
        'dir/i.dart',
        'dir/j.dart'
      ];
      expect(stripColors(tree.fromFiles(files)), equals("""
'-- dir
    |-- a.dart
    |-- b.dart
    |-- c.dart
    |-- d.dart
    |-- e.dart
    |-- f.dart
    |-- g.dart
    |-- h.dart
    |-- i.dart
    '-- j.dart
"""));
    });

    test('files are elided if there are more than ten', () {
      var files = [
        'dir/a.dart',
        'dir/b.dart',
        'dir/c.dart',
        'dir/d.dart',
        'dir/e.dart',
        'dir/f.dart',
        'dir/g.dart',
        'dir/h.dart',
        'dir/i.dart',
        'dir/j.dart',
        'dir/k.dart'
      ];
      expect(stripColors(tree.fromFiles(files)), equals("""
'-- dir
    |-- a.dart
    |-- b.dart
    |-- c.dart
    | (5 more...)
    |-- i.dart
    |-- j.dart
    '-- k.dart
"""));
    });

    test('files are not elided at the top level', () {
      var files = [
        'a.dart',
        'b.dart',
        'c.dart',
        'd.dart',
        'e.dart',
        'f.dart',
        'g.dart',
        'h.dart',
        'i.dart',
        'j.dart',
        'k.dart'
      ];
      expect(stripColors(tree.fromFiles(files)), equals("""
|-- a.dart
|-- b.dart
|-- c.dart
|-- d.dart
|-- e.dart
|-- f.dart
|-- g.dart
|-- h.dart
|-- i.dart
|-- j.dart
'-- k.dart
"""));
    });

    test('a complex example', () {
      var files = [
        'TODO',
        'example/console_example.dart',
        'example/main.dart',
        'example/web copy/web_example.dart',
        'test/absolute_test.dart',
        'test/basename_test.dart',
        'test/dirname_test.dart',
        'test/extension_test.dart',
        'test/is_absolute_test.dart',
        'test/is_relative_test.dart',
        'test/join_test.dart',
        'test/normalize_test.dart',
        'test/relative_test.dart',
        'test/split_test.dart',
        '.gitignore',
        'README.md',
        'lib/path.dart',
        'pubspec.yaml',
        'test/all_test.dart',
        'test/path_posix_test.dart',
        'test/path_windows_test.dart'
      ];

      expect(stripColors(tree.fromFiles(files)), equals("""
|-- .gitignore
|-- README.md
|-- TODO
|-- example
|   |-- console_example.dart
|   |-- main.dart
|   '-- web copy
|       '-- web_example.dart
|-- lib
|   '-- path.dart
|-- pubspec.yaml
'-- test
    |-- absolute_test.dart
    |-- all_test.dart
    |-- basename_test.dart
    | (7 more...)
    |-- path_windows_test.dart
    |-- relative_test.dart
    '-- split_test.dart
"""));
    });
  });

  group('treeFromMap', () {
    test('empty map', () {
      expect(stripColors(tree.fromMap({})), equals(''));
    });

    test('a complex example', () {
      var map = {
        '.gitignore': <String, Map>{},
        'README.md': <String, Map>{},
        'TODO': <String, Map>{},
        'example': {
          'console_example.dart': <String, Map>{},
          'main.dart': <String, Map>{},
          'web copy': {'web_example.dart': <String, Map>{}},
        },
        'lib': {'path.dart': <String, Map>{}},
        'pubspec.yaml': <String, Map>{},
        'test': {
          'absolute_test.dart': <String, Map>{},
          'basename_test.dart': <String, Map>{},
          'dirname_test.dart': <String, Map>{},
          'extension_test.dart': <String, Map>{},
          'is_absolute_test.dart': <String, Map>{},
          'is_relative_test.dart': <String, Map>{},
          'join_test.dart': <String, Map>{},
          'normalize_test.dart': <String, Map>{},
          'relative_test.dart': <String, Map>{},
          'split_test.dart': <String, Map>{}
        }
      };

      expect(stripColors(tree.fromMap(map)), equals("""
|-- .gitignore
|-- README.md
|-- TODO
|-- example
|   |-- console_example.dart
|   |-- main.dart
|   '-- web copy
|       '-- web_example.dart
|-- lib
|   '-- path.dart
|-- pubspec.yaml
'-- test
    |-- absolute_test.dart
    |-- basename_test.dart
    |-- dirname_test.dart
    |-- extension_test.dart
    |-- is_absolute_test.dart
    |-- is_relative_test.dart
    |-- join_test.dart
    |-- normalize_test.dart
    |-- relative_test.dart
    '-- split_test.dart
"""));
    });
  });

  test('does not elide children if showAllChildren is true', () {
    var map = {
      'dir': {
        'a.dart': <String, Map>{},
        'b.dart': <String, Map>{},
        'c.dart': <String, Map>{},
        'd.dart': <String, Map>{},
        'e.dart': <String, Map>{},
        'f.dart': <String, Map>{},
        'g.dart': <String, Map>{},
        'h.dart': <String, Map>{},
        'i.dart': <String, Map>{},
        'j.dart': <String, Map>{},
        'k.dart': <String, Map>{},
        'l.dart': <String, Map>{},
      }
    };
    expect(stripColors(tree.fromMap(map, showAllChildren: true)), equals("""
'-- dir
    |-- a.dart
    |-- b.dart
    |-- c.dart
    |-- d.dart
    |-- e.dart
    |-- f.dart
    |-- g.dart
    |-- h.dart
    |-- i.dart
    |-- j.dart
    |-- k.dart
    '-- l.dart
"""));
  });
}