// 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="$kBaseHrefPlaceholder">
<meta charset="utf-8">
<link rel="icon" type="image/png" href="favicon.png"/>
</head>
<body>
<div></div>
<script src="main.dart.js"></script>
<script>
const serviceWorkerVersion = null;
</script>
<script>
navigator.serviceWorker.register('flutter_service_worker.js');
</script>
</body>
</html>
''';
const String htmlSampleLegacyVar = '''
<!DOCTYPE html>
<html>
<head>
<title></title>
<base href="$kBaseHrefPlaceholder">
<meta charset="utf-8">
<link rel="icon" type="image/png" href="favicon.png"/>
</head>
<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="$baseHref">
<meta charset="utf-8">
<link rel="icon" type="image/png" href="favicon.png"/>
</head>
<body>
<div></div>
<script src="main.dart.js"></script>
<script>
const serviceWorkerVersion = "$serviceWorkerVersion";
</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',
),
);
});
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',
),
);
});
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');
});
}