html_utils_test.dart 4.25 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
// 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 'package:flutter_tools/src/html_utils.dart';

import '../src/common.dart';

const String htmlSample1 = '''
<!DOCTYPE html>
<html>
<head>
  <title></title>
  <base href="/foo/222/">
  <meta charset="utf-8">
  <link rel="icon" type="image/png" href="favicon.png"/>
</head>
<body>
  <div></div>
  <script src="main.dart.js"></script>
</body>
</html>
''';

const String htmlSample2 = '''
<!DOCTYPE html>
<html>
<head>
  <title></title>
  <base href="$kBaseHrefPlaceholder">
  <meta charset="utf-8">
  <link rel="icon" type="image/png" href="favicon.png"/>
</head>
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55
<body>
  <div></div>
  <script src="main.dart.js"></script>
  <script>
    const serviceWorkerVersion = null;
  </script>
  <script>
    navigator.serviceWorker.register('flutter_service_worker.js');
  </script>
</body>
</html>
''';

const String htmlSampleLegacyVar = '''
<!DOCTYPE html>
<html>
<head>
  <title></title>
  <base href="$kBaseHrefPlaceholder">
  <meta charset="utf-8">
  <link rel="icon" type="image/png" href="favicon.png"/>
</head>
56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85
<body>
  <div></div>
  <script src="main.dart.js"></script>
  <script>
    var serviceWorkerVersion = null;
  </script>
  <script>
    navigator.serviceWorker.register('flutter_service_worker.js');
  </script>
</body>
</html>
''';

String htmlSample2Replaced({
  required String baseHref,
  required String serviceWorkerVersion,
}) =>
    '''
<!DOCTYPE html>
<html>
<head>
  <title></title>
  <base href="$baseHref">
  <meta charset="utf-8">
  <link rel="icon" type="image/png" href="favicon.png"/>
</head>
<body>
  <div></div>
  <script src="main.dart.js"></script>
  <script>
86
    const serviceWorkerVersion = "$serviceWorkerVersion";
87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151
  </script>
  <script>
    navigator.serviceWorker.register('flutter_service_worker.js?v=$serviceWorkerVersion');
  </script>
</body>
</html>
''';

const String htmlSample3 = '''
<!DOCTYPE html>
<html>
<head>
  <title></title>
  <meta charset="utf-8">
  <link rel="icon" type="image/png" href="favicon.png"/>
</head>
<body>
  <div></div>
  <script src="main.dart.js"></script>
</body>
</html>
''';

void main() {
  test('can parse baseHref', () {
    expect(IndexHtml('<base href="/foo/111/">').getBaseHref(), 'foo/111');
    expect(IndexHtml(htmlSample1).getBaseHref(), 'foo/222');
    expect(IndexHtml(htmlSample2).getBaseHref(), ''); // Placeholder base href.
  });

  test('handles missing baseHref', () {
    expect(IndexHtml('').getBaseHref(), '');
    expect(IndexHtml('<base>').getBaseHref(), '');
    expect(IndexHtml(htmlSample3).getBaseHref(), '');
  });

  test('throws on invalid baseHref', () {
    expect(() => IndexHtml('<base href>').getBaseHref(), throwsToolExit());
    expect(() => IndexHtml('<base href="">').getBaseHref(), throwsToolExit());
    expect(() => IndexHtml('<base href="foo/111">').getBaseHref(), throwsToolExit());
    expect(
      () => IndexHtml('<base href="foo/111/">').getBaseHref(),
      throwsToolExit(),
    );
    expect(
      () => IndexHtml('<base href="/foo/111">').getBaseHref(),
      throwsToolExit(),
    );
  });

  test('applies substitutions', () {
    final IndexHtml indexHtml = IndexHtml(htmlSample2);
    indexHtml.applySubstitutions(
      baseHref: '/foo/333/',
      serviceWorkerVersion: 'v123xyz',
    );
    expect(
      indexHtml.content,
      htmlSample2Replaced(
        baseHref: '/foo/333/',
        serviceWorkerVersion: 'v123xyz',
      ),
    );
  });

152 153 154 155 156 157 158 159 160 161 162 163 164 165 166
  test('applies substitutions with legacy var version syntax', () {
    final IndexHtml indexHtml = IndexHtml(htmlSampleLegacyVar);
    indexHtml.applySubstitutions(
      baseHref: '/foo/333/',
      serviceWorkerVersion: 'v123xyz',
    );
    expect(
      indexHtml.content,
      htmlSample2Replaced(
        baseHref: '/foo/333/',
        serviceWorkerVersion: 'v123xyz',
      ),
    );
  });

167 168 169 170 171 172 173 174 175 176 177 178
  test('re-parses after substitutions', () {
    final IndexHtml indexHtml = IndexHtml(htmlSample2);
    expect(indexHtml.getBaseHref(), ''); // Placeholder base href.

    indexHtml.applySubstitutions(
      baseHref: '/foo/333/',
      serviceWorkerVersion: 'v123xyz',
    );
    // The parsed base href should be updated after substitutions.
    expect(indexHtml.getBaseHref(), 'foo/333');
  });
}