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twonly-app-dependencies/flutter_markdown_plus/test/link_test.dart
otsmr 4e6d3eb9b7 add new dependency
2026-04-22 17:15:35 +02:00

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// Copyright 2013 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/foundation.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_markdown_plus/flutter_markdown_plus.dart';
import 'package:flutter_test/flutter_test.dart';
import 'utils.dart';
void main() => defineTests();
void defineTests() {
group('Link', () {
testWidgets(
'should work with nested elements',
(WidgetTester tester) async {
final List<MarkdownLink> linkTapResults = <MarkdownLink>[];
const String data = '[Link `with nested code` Text](href)';
await tester.pumpWidget(
boilerplate(
Markdown(
data: data,
onTapLink: (String text, String? href, String title) =>
linkTapResults.add(MarkdownLink(text, href, title)),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
final List<Type> gestureRecognizerTypes = <Type>[];
span.visitChildren((InlineSpan inlineSpan) {
if (inlineSpan is TextSpan) {
final TapGestureRecognizer? recognizer = inlineSpan.recognizer as TapGestureRecognizer?;
gestureRecognizerTypes.add(recognizer?.runtimeType ?? Null);
if (recognizer != null) {
recognizer.onTap!();
}
}
return true;
});
expect(span.children!.length, 3);
expect(gestureRecognizerTypes.length, 3);
expect(gestureRecognizerTypes, everyElement(TapGestureRecognizer));
expect(linkTapResults.length, 3);
// Each of the child text span runs should return the same link info.
for (final MarkdownLink tapResult in linkTapResults) {
expectLinkTap(tapResult, const MarkdownLink('Link with nested code Text', 'href'));
}
},
);
testWidgets(
'should work next to other links',
(WidgetTester tester) async {
final List<MarkdownLink> linkTapResults = <MarkdownLink>[];
const String data = '[First Link](firstHref) and [Second Link](secondHref)';
await tester.pumpWidget(
boilerplate(
Markdown(
data: data,
onTapLink: (String text, String? href, String title) =>
linkTapResults.add(MarkdownLink(text, href, title)),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
final List<Type> gestureRecognizerTypes = <Type>[];
span.visitChildren((InlineSpan inlineSpan) {
if (inlineSpan is TextSpan) {
final TapGestureRecognizer? recognizer = inlineSpan.recognizer as TapGestureRecognizer?;
gestureRecognizerTypes.add(recognizer?.runtimeType ?? Null);
if (recognizer != null) {
recognizer.onTap!();
}
}
return true;
});
expect(span.children!.length, 3);
expect(
gestureRecognizerTypes,
orderedEquals(<Type>[TapGestureRecognizer, Null, TapGestureRecognizer]),
);
expectLinkTap(linkTapResults[0], const MarkdownLink('First Link', 'firstHref'));
expectLinkTap(linkTapResults[1], const MarkdownLink('Second Link', 'secondHref'));
},
);
testWidgets(
'multiple inline links with same name but different urls - unique keys are assigned automatically',
(WidgetTester tester) async {
//Arange
final Widget toBePumped = boilerplate(
Column(
children: <Widget>[
MarkdownBody(
data: '[link](link1.com)',
onTapLink: (String text, String? href, String title) {},
),
MarkdownBody(
data: '[link](link2.com)',
onTapLink: (String text, String? href, String title) {},
),
],
),
);
//Act
await tester.pumpWidget(toBePumped);
//Assert
final Finder widgetFinder = find.byType(Text);
final List<Element> elements = widgetFinder.evaluate().toList();
final List<Widget> widgets = elements.map((Element e) => e.widget).toList();
final List<String> keys = widgets
.where((Widget w) => w.key != null && w.key.toString().isNotEmpty)
.map((Widget w) => w.key.toString())
.toList();
expect(keys.length, 2); //Not empty
expect(keys.toSet().length, 2); // Unique
},
);
testWidgets(
'multiple inline links with same content should not throw an exception',
(WidgetTester tester) async {
//Arrange
final Widget toBePumped = boilerplate(
Column(
children: <Widget>[
Expanded(
child: MarkdownBody(
data:
'''links: [![first](image.png)](https://link.com) [![second](image.png)](https://link.com) [![third](image.png)](https://link.com)''',
onTapLink: (String text, String? href, String title) {},
),
),
],
),
);
//Act
await tester.pumpWidget(toBePumped);
//Assert
final Finder widgetFinder = find.byType(Text, skipOffstage: false);
final List<Element> elements = widgetFinder.evaluate().toList();
final List<Widget> widgets = elements.map((Element e) => e.widget).toList();
final List<String> keys = widgets
.where((Widget w) => w.key != null && w.key.toString().isNotEmpty)
.map((Widget w) => w.key.toString())
.toList();
expect(keys.length, 3); //all three links.
expect(keys.toSet().length, 3); // all three unique.
},
);
testWidgets(
// Example 493 from GFM.
'simple inline link',
(WidgetTester tester) async {
const String data = '[link](/uri "title")';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', '/uri', 'title'));
},
);
testWidgets(
'empty inline link',
(WidgetTester tester) async {
const String data = '[](/uri "title")';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expect(find.byType(RichText), findsNothing);
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 494 from GFM.
'simple inline link - title omitted',
(WidgetTester tester) async {
const String data = '[link](/uri)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', '/uri'));
},
);
testWidgets(
// Example 495 from GFM.
'simple inline link - both destination and title omitted',
(WidgetTester tester) async {
const String data = '[link]()';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', ''));
},
);
testWidgets(
// Example 496 from GFM.
'simple inline link - both < > enclosed destination and title omitted',
(WidgetTester tester) async {
const String data = '[link](<>)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', ''));
},
);
testWidgets(
// Example 497 from GFM.
'link destination with space and not < > enclosed',
(WidgetTester tester) async {
const String data = '[link](/my url)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
// Link is treated as ordinary text.
expectInvalidLink('[link](/my url)');
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 498 from GFM.
'link destination with space and < > enclosed',
(WidgetTester tester) async {
const String data = '[link](</my url>)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', '/my%20url'));
},
);
testWidgets(
// Example 499 from GFM.
'link destination cannot contain line breaks - not < > enclosed',
(WidgetTester tester) async {
const String data = '[link](foo\nbar)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
// Link is treated as ordinary text.
expectInvalidLink('[link](foo bar)');
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 500 from GFM.
'link destination cannot contain line breaks - < > enclosed',
(WidgetTester tester) async {
const String data = '[link](<foo\nbar>)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
// Link is treated as ordinary text.
expectInvalidLink('[link](<foo bar>)');
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 501 from GFM.
'link destination containing ")" and < > enclosed',
(WidgetTester tester) async {
const String data = '[link](</my)url>)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', '/my)url'));
},
);
testWidgets(
// Example 502 from GFM.
'pointy brackets that enclose links must be unescaped',
(WidgetTester tester) async {
const String data = r'[link](<foo\>)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
// Link is treated as ordinary text.
expectInvalidLink('[link](<foo>)');
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 503 from GFM.
'opening pointy brackets are not properly matched',
(WidgetTester tester) async {
const String data = '[link](<foo)bar\n[link](<foo)bar>\n[link](<foo>bar)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
// Link is treated as ordinary text.
expectInvalidLink('[link](<foo)bar [link](<foo)bar> [link](<foo>bar)');
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 504 from GFM.
'parentheses inside link destination may be escaped',
(WidgetTester tester) async {
const String data = r'[link](\(foo\))';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', '(foo)'));
},
);
testWidgets(
// Example 505 from GFM.
'multiple balanced parentheses are allowed without escaping',
(WidgetTester tester) async {
const String data = '[link](foo(and(bar)))';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', 'foo(and(bar))'));
},
);
testWidgets(
// Example 506 from GFM.
'escaped unbalanced parentheses',
(WidgetTester tester) async {
// Use raw string so backslash isn't treated as an escape character.
const String data = r'[link](foo\(and\(bar\))';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', 'foo(and(bar)'));
},
);
testWidgets(
// Example 507 from GFM.
'pointy brackets enclosed unbalanced parentheses',
(WidgetTester tester) async {
const String data = '[link](<foo(and(bar)>)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', 'foo(and(bar)'));
},
);
testWidgets(
// Example 508 from GFM.
'parentheses and other symbols can be escaped',
(WidgetTester tester) async {
// Use raw string so backslash isn't treated as an escape character.
const String data = r'[link](foo\)\:)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', 'foo):'));
},
);
testWidgets(
// Example 509 case 1 from GFM.
'link destinations with just fragment identifier',
(WidgetTester tester) async {
const String data = '[link](#fragment)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', '#fragment'));
},
);
testWidgets(
// Example 509 case 2 from GFM.
'link destinations with URL and fragment identifier',
(WidgetTester tester) async {
const String data = '[link](http://example.com#fragment)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', 'http://example.com#fragment'));
},
);
testWidgets(
// Example 509 case 3 from GFM.
'link destinations with URL, fragment identifier, and query',
(WidgetTester tester) async {
const String data = '[link](http://example.com?foo=3#fragment)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', 'http://example.com?foo=3#fragment'));
},
);
testWidgets(
// Example 510 from GFM.
'link destinations with backslash before non-escapable character',
(WidgetTester tester) async {
const String data = '[link](foo\bar)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', 'foo%08ar'));
},
);
testWidgets(
// Example 511 from GFM.
'URL escaping should be left alone inside link destination',
(WidgetTester tester) async {
const String data = '[link](foo%20b&auml;)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', 'foo%20b%C3%A4'));
},
);
testWidgets(
// Example 512 from GFM.
'omitting link destination uses title for destination',
(WidgetTester tester) async {
const String data = '[link]("title")';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', '%22title%22'));
},
);
testWidgets(
// Example 513a from GFM.
'link title in double quotes',
(WidgetTester tester) async {
const String data = '[link](/url "title")';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', '/url', 'title'));
},
);
testWidgets(
// Example 513b from GFM.
'link title in single quotes',
(WidgetTester tester) async {
const String data = "[link](/url 'title')";
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', '/url', 'title'));
},
);
testWidgets(
// Example 513c from GFM.
'link title in parentheses',
(WidgetTester tester) async {
const String data = '[link](/url (title))';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', '/url', 'title'));
},
);
testWidgets(
// Example 514 from GFM.
'backslash escapes, entity, and numeric character references are allowed in title',
(WidgetTester tester) async {
const String data = r'[link](/url "title \"&quot;")';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', '/url', 'title &quot;&quot;'));
},
);
testWidgets(
// Example 515 from GFM.
'link title must be separated with whitespace and not Unicode whitespace',
(WidgetTester tester) async {
const String data = '[link](/url\u{C2A0}"title")';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', '/url%EC%8A%A0%22title%22'));
},
);
testWidgets(
// Example 516 from GFM.
'nested balanced quotes are not allowed without escaping',
(WidgetTester tester) async {
const String data = '[link](/url "title "and" title")';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
// Link is treated as ordinary text.
expectInvalidLink('[link](/url "title "and" title")');
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 517 from GFM.
'nested balanced quotes using different quote type',
(WidgetTester tester) async {
const String data = '[link](/url \'title "and" title\')';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(
linkTapResults,
const MarkdownLink('link', '/url', 'title &quot;and&quot; title'),
);
},
);
testWidgets(
// Example 518 from GFM.
'whitespace is allowed around the destination and title',
(WidgetTester tester) async {
const String data = '[link]( /url "title")';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link');
expectLinkTap(linkTapResults, const MarkdownLink('link', '/url', 'title'));
},
);
testWidgets(
// Example 519 from GFM.
'whitespace is not allowed between link text and following parentheses',
(WidgetTester tester) async {
const String data = '[link] (/url)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
// Link is treated as ordinary text.
expectInvalidLink('[link] (/url)');
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 520 from GFM.
'link text may contain balanced brackets',
(WidgetTester tester) async {
const String data = '[link [foo [bar]]](/uri)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link [foo [bar]]');
expectLinkTap(linkTapResults, const MarkdownLink('link [foo [bar]]', '/uri'));
},
);
testWidgets(
// Example 521 from GFM.
'link text may not contain unbalanced brackets',
(WidgetTester tester) async {
const String data = '[link] bar](/uri)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
// Link is treated as ordinary text.
expectInvalidLink('[link] bar](/uri)');
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 522 from GFM.
'link text may not contain unbalanced brackets - unintended link text',
(WidgetTester tester) async {
const String data = '[link [bar](/uri)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children![0], isA<TextSpan>());
expect(span.children![0].toPlainText(), '[link ');
expectLinkTextSpan(span.children![1] as TextSpan, 'bar');
expectLinkTap(linkTapResults, const MarkdownLink('bar', '/uri'));
},
);
testWidgets(
// Example 523 from GFM.
'link text with escaped open square bracket',
(WidgetTester tester) async {
const String data = r'[link \[bar](/uri)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link [bar');
expectLinkTap(linkTapResults, const MarkdownLink('link [bar', '/uri'));
},
);
testWidgets(
// Example 524 from GFM.
'link text with inline emphasis and code',
(WidgetTester tester) async {
const String data = '[link *foo **bar** `#`*](/uri)';
final List<MarkdownLink> linkTapResults = <MarkdownLink>[];
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) =>
linkTapResults.add(MarkdownLink(text, href, title)),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 5);
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expectTextSpanStyle(span.children![1] as TextSpan, FontStyle.italic, FontWeight.normal);
expectTextSpanStyle(span.children![2] as TextSpan, FontStyle.italic, FontWeight.bold);
expectTextSpanStyle(span.children![3] as TextSpan, FontStyle.italic, FontWeight.normal);
expect((span.children![4] as TextSpan).style!.fontFamily, 'monospace');
final List<Type> gestureRecognizerTypes = <Type>[];
span.visitChildren((InlineSpan inlineSpan) {
if (inlineSpan is TextSpan) {
final TapGestureRecognizer? recognizer = inlineSpan.recognizer as TapGestureRecognizer?;
gestureRecognizerTypes.add(recognizer.runtimeType);
recognizer!.onTap!();
}
return true;
});
expect(gestureRecognizerTypes.length, 5);
expect(gestureRecognizerTypes, everyElement(TapGestureRecognizer));
expect(linkTapResults.length, 5);
// Each of the child text span runs should return the same link info.
for (final MarkdownLink tapResult in linkTapResults) {
expectLinkTap(tapResult, const MarkdownLink('link foo bar #', '/uri'));
}
},
);
testWidgets(
// Example 525 from GFM.
'inline image link text',
(WidgetTester tester) async {
const String data = '[![moon](moon.jpg)](/uri)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Finder gestureFinder = find.byType(GestureDetector);
expect(gestureFinder, findsOneWidget);
final GestureDetector gestureWidget = gestureFinder.evaluate().first.widget as GestureDetector;
expect(gestureWidget.child, isA<Image>());
expect(gestureWidget.onTap, isNotNull);
gestureWidget.onTap!();
expectLinkTap(linkTapResults, const MarkdownLink('moon', '/uri'));
},
);
testWidgets(
// Example 526 from GFM.
'links cannot be nested - outter link ignored',
(WidgetTester tester) async {
const String data = '[foo [bar](/uri)](/uri)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 3);
expect(span.children![0], isA<TextSpan>());
expect(span.children![0].toPlainText(), '[foo ');
expectLinkTextSpan(span.children![1] as TextSpan, 'bar');
expectLinkTap(linkTapResults, const MarkdownLink('bar', '/uri'));
expect(span.children![2], isA<TextSpan>());
expect(span.children![2].toPlainText(), '](/uri)');
},
);
testWidgets(
// Example 527 from GFM.
'links cannot be nested - outter link ignored with emphasis',
(WidgetTester tester) async {
const String data = '[foo *[bar [baz](/uri)](/uri)*](/uri)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 5);
expect(span.children, everyElement(isA<TextSpan>()));
expect(span.children![0].toPlainText(), '[foo ');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expect(span.children![1].toPlainText(), '[bar ');
expectTextSpanStyle(span.children![1] as TextSpan, FontStyle.italic, FontWeight.normal);
expect(span.children![2].toPlainText(), 'baz');
expectTextSpanStyle(span.children![2] as TextSpan, FontStyle.italic, FontWeight.normal);
expect(span.children![3].toPlainText(), '](/uri)');
expectTextSpanStyle(span.children![3] as TextSpan, FontStyle.italic, FontWeight.normal);
expect(span.children![4].toPlainText(), '](/uri)');
expectTextSpanStyle(span.children![4] as TextSpan, null, FontWeight.normal);
expectLinkTextSpan(span.children![2] as TextSpan, 'baz');
expectLinkTap(linkTapResults, const MarkdownLink('baz', '/uri'));
},
);
testWidgets(
// Example 528 from GFM.
'links cannot be nested in image linksinline image link text',
(WidgetTester tester) async {
const String data = '![[[foo](uri1)](uri2)](uri3)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Finder gestureFinder = find.byType(GestureDetector);
expect(gestureFinder, findsNothing);
final Finder imageFinder = find.byType(Image);
expect(imageFinder, findsOneWidget);
final Image image = imageFinder.evaluate().first.widget as Image;
if (kIsWeb) {
final NetworkImage fi = image.image as NetworkImage;
expect(fi.url.endsWith('uri3'), true);
} else {
final FileImage fi = image.image as FileImage;
expect(fi.file.path, equals('uri3'));
}
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 529 from GFM.
'link text grouping has precedence over emphasis grouping example 1',
(WidgetTester tester) async {
const String data = r'*[foo*](/uri)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children![0], isA<TextSpan>());
expect(span.children![0].toPlainText(), '*');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expectLinkTextSpan(span.children![1] as TextSpan, 'foo*');
expectLinkTap(linkTapResults, const MarkdownLink('foo*', '/uri'));
},
);
testWidgets(
// Example 530 from GFM.
'link text grouping has precedence over emphasis grouping example 2',
(WidgetTester tester) async {
const String data = '[foo *bar](baz*)';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('foo *bar');
expectLinkTap(linkTapResults, const MarkdownLink('foo *bar', 'baz*'));
},
);
testWidgets(
// Example 531 from GFM.
"brackets that aren't part of links do not take precedence",
(WidgetTester tester) async {
const String data = '*foo [bar* baz]';
await tester.pumpWidget(
boilerplate(
const MarkdownBody(data: data),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children, everyElement(isA<TextSpan>()));
expect(span.children![0].toPlainText(), 'foo [bar');
expectTextSpanStyle(span.children![0] as TextSpan, FontStyle.italic, FontWeight.normal);
expect(span.children![1].toPlainText(), ' baz]');
expectTextSpanStyle(span.children![1] as TextSpan, null, FontWeight.normal);
},
);
testWidgets(
// Example 532 from GFM.
'HTML tag takes precedence over link grouping',
(WidgetTester tester) async {
const String data = '[foo <bar attr="](baz)">';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
// Link is treated as ordinary text.
expectInvalidLink('[foo <bar attr="](baz)">');
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 533 from GFM.
'code span takes precedence over link grouping',
(WidgetTester tester) async {
const String data = '[foo`](/uri)`';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Finder gestureFinder = find.byType(GestureDetector);
expect(gestureFinder, findsNothing);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children, everyElement(isA<TextSpan>()));
expect(span.children![0], isA<TextSpan>());
expect(span.children![0].toPlainText(), '[foo');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expect((span.children![1] as TextSpan).style!.fontFamily, 'monospace');
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 534 from GFM.
'autolinks take precedence over link grouping',
(WidgetTester tester) async {
const String data = '[foo<http://example.com/?search=](uri)>';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children, everyElement(isA<TextSpan>()));
expect(span.children![0].toPlainText(), '[foo');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expectLinkTextSpan(span.children![1] as TextSpan, 'http://example.com/?search=](uri)');
expectLinkTap(linkTapResults,
const MarkdownLink('http://example.com/?search=](uri)', 'http://example.com/?search=%5D(uri)'));
},
);
});
group('Reference Link', () {
testWidgets(
// Example 535 from GFM.
'simple reference link',
(WidgetTester tester) async {
const String data = '[foo][bar]\n\n[bar]: /url "title"';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('foo');
expectLinkTap(linkTapResults, const MarkdownLink('foo', '/url', 'title'));
},
);
testWidgets(
// Example 536 from GFM.
'reference link with balanced brackets in link text',
(WidgetTester tester) async {
const String data = '[link [foo [bar]]][ref]\n\n[ref]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link [foo [bar]]');
expectLinkTap(linkTapResults, const MarkdownLink('link [foo [bar]]', '/uri'));
},
);
testWidgets(
// Example 537 from GFM.
'reference link with unbalanced but escaped bracket in link text',
(WidgetTester tester) async {
const String data = '[link \\[bar][ref]\n\n[ref]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('link [bar');
expectLinkTap(linkTapResults, const MarkdownLink('link [bar', '/uri'));
},
);
testWidgets(
// Example 538 from GFM.
'reference link with inline emphasis and code span in link text',
(WidgetTester tester) async {
const String data = '[link *foo **bar** `#`*][ref]\n\n[ref]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 5);
expect(span.children, everyElement(isA<TextSpan>()));
expect(span.children![0].toPlainText(), 'link ');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expect(span.children![1].toPlainText(), 'foo ');
expectTextSpanStyle(span.children![1] as TextSpan, FontStyle.italic, FontWeight.normal);
expect(span.children![2].toPlainText(), 'bar');
expectTextSpanStyle(span.children![2] as TextSpan, FontStyle.italic, FontWeight.bold);
expect(span.children![3].toPlainText(), ' ');
expectTextSpanStyle(span.children![3] as TextSpan, FontStyle.italic, FontWeight.normal);
expect(span.children![4].toPlainText(), '#');
expectTextSpanStyle(span.children![4] as TextSpan, null, FontWeight.normal);
expect((span.children![4] as TextSpan).style!.fontFamily, 'monospace');
for (final InlineSpan element in span.children!) {
final TextSpan textSpan = element as TextSpan;
expect(textSpan.recognizer, isNotNull);
expect(textSpan.recognizer, isA<TapGestureRecognizer>());
final TapGestureRecognizer? tapRecognizer = textSpan.recognizer as TapGestureRecognizer?;
expect(tapRecognizer?.onTap, isNotNull);
tapRecognizer!.onTap!();
expectLinkTap(linkTapResults, const MarkdownLink('link foo bar #', '/uri'));
// Clear link tap results.
linkTapResults = null;
}
},
);
testWidgets(
// Example 539 from GFM.
'referenence link with inline image link text',
(WidgetTester tester) async {
const String data = '[![moon](moon.jpg)][ref]\n\n[ref]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Finder gestureFinder = find.byType(GestureDetector);
expect(gestureFinder, findsOneWidget);
final GestureDetector gestureWidget = gestureFinder.evaluate().first.widget as GestureDetector;
expect(gestureWidget.child, isA<Image>());
expect(gestureWidget.onTap, isNotNull);
gestureWidget.onTap!();
expectLinkTap(linkTapResults, const MarkdownLink('moon', '/uri'));
imageCache.clear();
},
);
testWidgets(
// Example 540 from GFM.
'reference links cannot have nested links',
(WidgetTester tester) async {
const String data = '[foo [bar](/uri)][ref]\n\n[ref]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 4);
expect(span.children![0], isA<TextSpan>());
expect(span.children![0].toPlainText(), '[foo ');
expectLinkTextSpan(span.children![1] as TextSpan, 'bar');
expectLinkTap(linkTapResults, const MarkdownLink('bar', '/uri'));
expect(span.children![2], isA<TextSpan>());
expect(span.children![2].toPlainText(), ']');
expectLinkTextSpan(span.children![3] as TextSpan, 'ref');
expectLinkTap(linkTapResults, const MarkdownLink('ref', '/uri'));
},
);
testWidgets(
// Example 541 from GFM.
'reference links cannot have nested reference links',
(WidgetTester tester) async {
const String data = '[foo *bar [baz][ref]*][ref]\n\n[ref]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 5);
expect(span.children![0], isA<TextSpan>());
expect(span.children![0].toPlainText(), '[foo ');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expect(span.children![1], isA<TextSpan>());
expect(span.children![1].toPlainText(), 'bar ');
expectTextSpanStyle(span.children![1] as TextSpan, FontStyle.italic, FontWeight.normal);
expectLinkTextSpan(span.children![2] as TextSpan, 'baz');
expectTextSpanStyle(span.children![2] as TextSpan, FontStyle.italic, FontWeight.normal);
expectLinkTap(linkTapResults, const MarkdownLink('baz', '/uri'));
expect(span.children![3], isA<TextSpan>());
expect(span.children![3].toPlainText(), ']');
expectTextSpanStyle(span.children![3] as TextSpan, null, FontWeight.normal);
expectLinkTextSpan(span.children![4] as TextSpan, 'ref');
expectTextSpanStyle(span.children![4] as TextSpan, null, FontWeight.normal);
expectLinkTap(linkTapResults, const MarkdownLink('ref', '/uri'));
},
);
testWidgets(
// Example 542 from GFM.
'reference link text grouping has precedence over emphasis grouping example 1',
(WidgetTester tester) async {
const String data = '*[foo*][ref]\n\n[ref]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children![0], isA<TextSpan>());
expect(span.children![0].toPlainText(), '*');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expectLinkTextSpan(span.children![1] as TextSpan, 'foo*');
expectLinkTap(linkTapResults, const MarkdownLink('foo*', '/uri'));
},
);
testWidgets(
// Example 543 from GFM.
'reference link text grouping has precedence over emphasis grouping example 2',
(WidgetTester tester) async {
const String data = '[foo *bar][ref]*\n\n[ref]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expectLinkTextSpan(span.children![0] as TextSpan, 'foo *bar');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expectLinkTap(linkTapResults, const MarkdownLink('foo *bar', '/uri'));
expect(span.children![1], isA<TextSpan>());
expect(span.children![1].toPlainText(), '*');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
},
);
testWidgets(
// Example 544 from GFM.
'HTML tag takes precedence over reference link grouping',
(WidgetTester tester) async {
const String data = '[foo <bar attr="][ref]">\n\n[ref]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
// Link is treated as ordinary text.
expectInvalidLink('[foo <bar attr="][ref]">');
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 545 from GFM.
'code span takes precedence over reference link grouping',
(WidgetTester tester) async {
const String data = '[foo`][ref]`\n\n[ref]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Finder gestureFinder = find.byType(GestureDetector);
expect(gestureFinder, findsNothing);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children, everyElement(isA<TextSpan>()));
expect(span.children![0], isA<TextSpan>());
expect(span.children![0].toPlainText(), '[foo');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expect(span.children![1].toPlainText(), '][ref]');
expect((span.children![1] as TextSpan).style!.fontFamily, 'monospace');
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 534 from GFM.
'autolinks take precedence over reference link grouping',
(WidgetTester tester) async {
const String data = '[foo<http://example.com/?search=][ref]>\n\n[ref]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children, everyElement(isA<TextSpan>()));
expect(span.children![0].toPlainText(), '[foo');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expectLinkTextSpan(span.children![1] as TextSpan, 'http://example.com/?search=][ref]');
expectLinkTap(linkTapResults,
const MarkdownLink('http://example.com/?search=][ref]', 'http://example.com/?search=%5D%5Bref%5D'));
},
);
testWidgets(
// Example 547 from GFM.
'reference link matching is case-insensitive',
(WidgetTester tester) async {
const String data = '[foo][BaR]\n\n[bar]: /url "title"';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('foo');
expectLinkTap(linkTapResults, const MarkdownLink('foo', '/url', 'title'));
},
);
testWidgets(
// Example 548 from GFM.
'reference link support Unicode case fold - GFM',
(WidgetTester tester) async {
const String data = '[ẞ]\n\n[SS]: /url';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('ẞ');
expectLinkTap(linkTapResults, const MarkdownLink('ẞ', '/url', 'title'));
},
// TODO(mjordan56): Remove skip once the issue #333 in the markdown package
// is fixed and released. https://github.com/dart-lang/markdown/issues/333
skip: true,
);
testWidgets(
// Example 536 from CommonMark. NOTE: The CommonMark and GFM specifications
// use different examples for Unicode case folding. Both are being added
// to the test suite since each example produces different cases to test.
'reference link support Unicode case fold - CommonMark',
(WidgetTester tester) async {
const String data = '[Толпой][Толпой] is a Russian word.\n\n[ТОЛПОЙ]: /url';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expectLinkTextSpan(span.children![0] as TextSpan, 'Толпой');
expectLinkTap(linkTapResults, const MarkdownLink('Толпой', '/url'));
expect(span.children![1], isA<TextSpan>());
expect(span.children![1].toPlainText(), ' is a Russian word.');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
},
);
testWidgets(
// Example 549 from GFM.
'reference link with internal whitespace',
(WidgetTester tester) async {
const String data = '[Foo\n bar]: /url\n\n[Baz][Foo bar]';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('Baz');
expectLinkTap(linkTapResults, const MarkdownLink('Baz', '/url'));
},
);
testWidgets(
// Example 550 from GFM.
'reference link no whitespace between link text and link label',
(WidgetTester tester) async {
const String data = '[foo] [bar]\n\n[bar]: /url "title"';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children![0], isA<TextSpan>());
expect(span.children![0].toPlainText(), '[foo] ');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expectLinkTextSpan(span.children![1] as TextSpan, 'bar');
expectLinkTap(linkTapResults, const MarkdownLink('bar', '/url', 'title'));
},
);
testWidgets(
// Example 551 from GFM.
'reference link no line break between link text and link label',
(WidgetTester tester) async {
const String data = '[foo]\n[bar]\n\n[bar]: /url "title"';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children![0], isA<TextSpan>());
expect(span.children![0].toPlainText(), '[foo] ');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expectLinkTextSpan(span.children![1] as TextSpan, 'bar');
expectLinkTap(linkTapResults, const MarkdownLink('bar', '/url', 'title'));
},
);
testWidgets(
// Example 552 from GFM.
'multiple matching reference link definitions use first definition',
(WidgetTester tester) async {
const String data = '[foo]: /url1\n\n[foo]: /url2\n\n[bar][foo]';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('bar');
expectLinkTap(linkTapResults, const MarkdownLink('bar', '/url1'));
},
);
testWidgets(
// Example 553 from GFM.
'reference link matching is performed on normalized strings',
(WidgetTester tester) async {
const String data = '[bar][foo\\!]\n\n[foo!]: /url';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
// Link is treated as ordinary text.
expectInvalidLink('[bar][foo!]');
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 554 from GFM.
'reference link labels cannot contain brackets - case 1',
(WidgetTester tester) async {
const String data = '[foo][ref[]\n\n[ref[]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final List<RichText> textWidgets = tester.widgetList(find.byType(RichText)).toList().cast<RichText>();
expect(textWidgets.length, 2);
expect(textWidgets[0].text, isA<TextSpan>());
expect(textWidgets[0].text.toPlainText(), '[foo][ref[]');
expectTextSpanStyle(textWidgets[0].text as TextSpan, null, FontWeight.normal);
expect(textWidgets[1].text, isA<TextSpan>());
expect(textWidgets[1].text.toPlainText(), '[ref[]: /uri');
expectTextSpanStyle(textWidgets[1].text as TextSpan, null, FontWeight.normal);
expect(linkTapResults, isNull);
},
// TODO(mjordan56): Remove skip once the issue #335 in the markdown package
// is fixed and released. https://github.com/dart-lang/markdown/issues/335
skip: true,
);
testWidgets(
// Example 555 from GFM.
'reference link labels cannot contain brackets - case 2',
(WidgetTester tester) async {
const String data = '[foo][ref[bar]]\n\n[ref[bar]]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final List<Text> textWidgets = tester.widgetList(find.byType(Text)).toList().cast<Text>();
expect(textWidgets.length, 2);
expect(textWidgets[0].textSpan, isNotNull);
expect(textWidgets[0].textSpan, isA<TextSpan>());
expect(textWidgets[0].textSpan!.toPlainText(), '[foo][ref[bar]]');
expectTextSpanStyle(textWidgets[0].textSpan! as TextSpan, null, FontWeight.normal);
expect(textWidgets[1].textSpan, isNotNull);
expect(textWidgets[1].textSpan, isA<TextSpan>());
expect(textWidgets[1].textSpan!.toPlainText(), '[ref[bar]]: /uri');
expectTextSpanStyle(textWidgets[1].textSpan! as TextSpan, null, FontWeight.normal);
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 556 from GFM.
'reference link labels cannot contain brackets - case 3',
(WidgetTester tester) async {
const String data = '[[[foo]]]\n\n[[[foo]]]: /url';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final List<Text> textWidgets = tester.widgetList(find.byType(Text)).toList().cast<Text>();
expect(textWidgets.length, 2);
expect(textWidgets[0].textSpan, isNotNull);
expect(textWidgets[0].textSpan, isA<TextSpan>());
expect(textWidgets[0].textSpan!.toPlainText(), '[[[foo]]]');
expectTextSpanStyle(textWidgets[0].textSpan! as TextSpan, null, FontWeight.normal);
expect(textWidgets[1].textSpan, isNotNull);
expect(textWidgets[1].textSpan, isA<TextSpan>());
expect(textWidgets[1].textSpan!.toPlainText(), '[[[foo]]]: /url');
expectTextSpanStyle(textWidgets[1].textSpan! as TextSpan, null, FontWeight.normal);
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 557 from GFM.
'reference link labels can have escaped brackets',
(WidgetTester tester) async {
const String data = '[foo][ref\\[]\n\n[ref\\[]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('foo');
expectLinkTap(linkTapResults, const MarkdownLink('foo', '/uri'));
},
);
testWidgets(
// Example 558 from GFM.
'reference link labels can have escaped characters',
(WidgetTester tester) async {
const String data = '[bar\\]: /uri\n\n[bar\\]';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink(r'bar\');
expectLinkTap(linkTapResults, const MarkdownLink(r'bar\', '/uri'));
},
// TODO(mjordan56): Remove skip once the issue #336 in the markdown package
// is fixed and released. https://github.com/dart-lang/markdown/issues/336
skip: true,
);
testWidgets(
// Example 559 from GFM.
'reference link labels must contain at least on non-whitespace character - case 1',
(WidgetTester tester) async {
const String data = '[]\n\n[]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final List<Text> textWidgets = tester.widgetList(find.byType(Text)).toList().cast<Text>();
expect(textWidgets.length, 2);
expect(textWidgets[0].textSpan, isNotNull);
expect(textWidgets[0].textSpan, isA<TextSpan>());
expect(textWidgets[0].textSpan!.toPlainText(), '[]');
expectTextSpanStyle(textWidgets[0].textSpan! as TextSpan, null, FontWeight.normal);
expect(textWidgets[1].textSpan, isNotNull);
expect(textWidgets[1].textSpan, isA<TextSpan>());
expect(textWidgets[1].textSpan!.toPlainText(), '[]: /uri');
expectTextSpanStyle(textWidgets[1].textSpan! as TextSpan, null, FontWeight.normal);
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 560 from GFM.
'reference link labels must contain at least on non-whitespace character - case 2',
(WidgetTester tester) async {
const String data = '[\n ]\n\n[\n ]: /uri';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final List<Text> textWidgets = tester.widgetList(find.byType(Text)).toList().cast<Text>();
expect(textWidgets.length, 2);
expect(textWidgets[0].textSpan, isNotNull);
expect(textWidgets[0].textSpan, isA<TextSpan>());
expect(textWidgets[0].textSpan!.toPlainText(), '[ ]');
expectTextSpanStyle(textWidgets[0].textSpan! as TextSpan, null, FontWeight.normal);
expect(textWidgets[1].textSpan, isNotNull);
expect(textWidgets[1].textSpan, isA<TextSpan>());
expect(textWidgets[1].textSpan!.toPlainText(), '[ ]: /uri');
expectTextSpanStyle(textWidgets[1].textSpan! as TextSpan, null, FontWeight.normal);
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 561 from GFM.
'collapsed reference link',
(WidgetTester tester) async {
const String data = '[foo][]\n\n[foo]: /url "title"';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('foo');
expectLinkTap(linkTapResults, const MarkdownLink('foo', '/url', 'title'));
},
);
testWidgets(
// Example 562 from GFM.
'collapsed reference link with inline emphasis in link text',
(WidgetTester tester) async {
const String data = '[*foo* bar][]\n\n[*foo* bar]: /url "title"';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children, everyElement(isA<TextSpan>()));
expect(span.children![0].toPlainText(), 'foo');
expectTextSpanStyle(span.children![0] as TextSpan, FontStyle.italic, FontWeight.normal);
expect(span.children![1].toPlainText(), ' bar');
expectTextSpanStyle(span.children![1] as TextSpan, null, FontWeight.normal);
for (final InlineSpan element in span.children!) {
final TextSpan textSpan = element as TextSpan;
expect(textSpan.recognizer, isNotNull);
expect(textSpan.recognizer, isA<TapGestureRecognizer>());
final TapGestureRecognizer? tapRecognizer = textSpan.recognizer as TapGestureRecognizer?;
expect(tapRecognizer?.onTap, isNotNull);
tapRecognizer!.onTap!();
expectLinkTap(linkTapResults, const MarkdownLink('foo bar', '/url', 'title'));
// Clear link tap results.
linkTapResults = null;
}
},
);
testWidgets(
// Example 563 from GFM.
'collapsed reference links are case-insensitive',
(WidgetTester tester) async {
const String data = '[Foo][]\n\n[foo]: /url "title"';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('Foo');
expectLinkTap(linkTapResults, const MarkdownLink('Foo', '/url', 'title'));
},
);
testWidgets(
// Example 564 from GFM.
'collapsed reference link no whitespace between link text and link label',
(WidgetTester tester) async {
const String data = '[foo] \n\n[]\n\n[foo]: /url "title"';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final List<Text> textWidgets = tester.widgetList(find.byType(Text)).toList().cast<Text>();
expect(textWidgets.length, 2);
expect(textWidgets[0].textSpan, isNotNull);
expect(textWidgets[0].textSpan, isA<TextSpan>());
expect(textWidgets[0].textSpan!.toPlainText(), 'foo');
expect(textWidgets[0].textSpan, isNotNull);
expect(textWidgets[0].textSpan, isA<TextSpan>());
expectLinkTextSpan(textWidgets[0].textSpan! as TextSpan, 'foo');
expectLinkTap(linkTapResults, const MarkdownLink('foo', '/url', 'title'));
expect(textWidgets[1].textSpan, isNotNull);
expect(textWidgets[1].textSpan, isA<TextSpan>());
expect(textWidgets[1].textSpan!.toPlainText(), '[]');
expectTextSpanStyle(textWidgets[1].textSpan! as TextSpan, null, FontWeight.normal);
},
);
testWidgets(
// Example 565 from GFM.
'shortcut reference link',
(WidgetTester tester) async {
const String data = '[foo]\n\n[foo]: /url "title"';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('foo');
expectLinkTap(linkTapResults, const MarkdownLink('foo', '/url', 'title'));
},
);
testWidgets(
// Example 566 from GFM.
'shortcut reference link with inline emphasis in link text',
(WidgetTester tester) async {
const String data = '[*foo* bar]\n\n[*foo* bar]: /url "title"';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children, everyElement(isA<TextSpan>()));
expect(span.children![0].toPlainText(), 'foo');
expectTextSpanStyle(span.children![0] as TextSpan, FontStyle.italic, FontWeight.normal);
expect(span.children![1].toPlainText(), ' bar');
expectTextSpanStyle(span.children![1] as TextSpan, null, FontWeight.normal);
for (final InlineSpan element in span.children!) {
final TextSpan textSpan = element as TextSpan;
expect(textSpan.recognizer, isNotNull);
expect(textSpan.recognizer, isA<TapGestureRecognizer>());
final TapGestureRecognizer? tapRecognizer = textSpan.recognizer as TapGestureRecognizer?;
expect(tapRecognizer?.onTap, isNotNull);
tapRecognizer!.onTap!();
expectLinkTap(linkTapResults, const MarkdownLink('foo bar', '/url', 'title'));
// Clear link tap results.
linkTapResults = null;
}
},
);
testWidgets(
// Example 567 from GFM.
'shortcut reference link with inline emphasis nested in link text',
(WidgetTester tester) async {
const String data = '[*foo* bar]\n\n[*foo* bar]: /url "title"';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children, everyElement(isA<TextSpan>()));
expect(span.children![0].toPlainText(), 'foo');
expectTextSpanStyle(span.children![0] as TextSpan, FontStyle.italic, FontWeight.normal);
expect(span.children![1].toPlainText(), ' bar');
expectTextSpanStyle(span.children![1] as TextSpan, null, FontWeight.normal);
for (final InlineSpan element in span.children!) {
final TextSpan textSpan = element as TextSpan;
expect(textSpan.recognizer, isNotNull);
expect(textSpan.recognizer, isA<TapGestureRecognizer>());
final TapGestureRecognizer? tapRecognizer = textSpan.recognizer as TapGestureRecognizer?;
expect(tapRecognizer?.onTap, isNotNull);
tapRecognizer!.onTap!();
expectLinkTap(linkTapResults, const MarkdownLink('foo bar', '/url', 'title'));
// Clear link tap results.
linkTapResults = null;
}
},
);
testWidgets(
// Example 568 from GFM.
'shortcut reference link with unbalanced open square brackets',
(WidgetTester tester) async {
const String data = '[[bar [foo]\n\n[foo]: /url';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children![0], isA<TextSpan>());
expect(span.children![0].toPlainText(), '[[bar ');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expectLinkTextSpan(span.children![1] as TextSpan, 'foo');
expectLinkTap(linkTapResults, const MarkdownLink('foo', '/url'));
},
);
testWidgets(
// Example 569 from GFM.
'shortcut reference links are case-insensitive',
(WidgetTester tester) async {
const String data = '[Foo]\n\n[foo]: /url "title"';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('Foo');
expectLinkTap(linkTapResults, const MarkdownLink('Foo', '/url', 'title'));
},
);
testWidgets(
// Example 570 from GFM.
'shortcut reference link should preserve space after link text',
(WidgetTester tester) async {
const String data = '[foo] bar\n\n[foo]: /url';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expectLinkTextSpan(span.children![0] as TextSpan, 'foo');
expectLinkTap(linkTapResults, const MarkdownLink('foo', '/url'));
expect(span.children![1], isA<TextSpan>());
expect(span.children![1].toPlainText(), ' bar');
expectTextSpanStyle(span.children![1] as TextSpan, null, FontWeight.normal);
},
);
testWidgets(
// Example 571 from GFM.
'shortcut reference link backslash escape opening bracket to avoid link',
(WidgetTester tester) async {
const String data = '\\[foo]\n\n[foo]: /url "title"';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
// Link is treated as ordinary text.
expectInvalidLink('[foo]');
expect(linkTapResults, isNull);
},
);
testWidgets(
// Example 572 from GFM.
'shortcut reference link text grouping has precedence over emphasis grouping',
(WidgetTester tester) async {
const String data = '[foo*]: /url\n\n*[foo*]';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children![0], isA<TextSpan>());
expect(span.children![0].toPlainText(), '*');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expectLinkTextSpan(span.children![1] as TextSpan, 'foo*');
expectLinkTap(linkTapResults, const MarkdownLink('foo*', '/url'));
},
);
testWidgets(
// Example 573 from GFM.
'full link reference takes precedence over shortcut link reference',
(WidgetTester tester) async {
const String data = '[foo][bar]\n\n[foo]: /url1\n[bar]: /url2';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('foo');
expectLinkTap(linkTapResults, const MarkdownLink('foo', '/url2'));
},
);
testWidgets(
// Example 574 from GFM.
'compact link reference takes precedence over shortcut link reference',
(WidgetTester tester) async {
const String data = '[foo][]\n\n[foo]: /url1';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('foo');
expectLinkTap(linkTapResults, const MarkdownLink('foo', '/url1'));
},
);
testWidgets(
// Example 575 from GFM.
'inline link reference, no link destination takes precedence over shortcut link reference',
(WidgetTester tester) async {
const String data = '[foo]()\n\n[foo]: /url1';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
expectValidLink('foo');
expectLinkTap(linkTapResults, const MarkdownLink('foo', ''));
},
);
testWidgets(
// Example 576 from GFM.
'inline link reference, invalid link destination is a link followed by text',
(WidgetTester tester) async {
const String data = '[foo](not a link)\n\n[foo]: /url1';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expectLinkTextSpan(span.children![0] as TextSpan, 'foo');
expectLinkTap(linkTapResults, const MarkdownLink('foo', '/url1'));
expect(span.children![1], isA<TextSpan>());
expect(span.children![1].toPlainText(), '(not a link)');
expectTextSpanStyle(span.children![1] as TextSpan, null, FontWeight.normal);
},
);
testWidgets(
// Example 577 from GFM.
'three sequential runs of square-bracketed text, normal text and a link reference',
(WidgetTester tester) async {
const String data = '[foo][bar][baz]\n\n[baz]: /url';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children![0], isA<TextSpan>());
expect(span.children![0].toPlainText(), '[foo]');
expectTextSpanStyle(span.children![0] as TextSpan, null, FontWeight.normal);
expectLinkTextSpan(span.children![1] as TextSpan, 'bar');
expectLinkTap(linkTapResults, const MarkdownLink('bar', '/url'));
},
);
testWidgets(
// Example 578 from GFM.
'three sequential runs of square-bracketed text, two link references',
(WidgetTester tester) async {
const String data = '[foo][bar][baz]\n\n[baz]: /url1\n[bar]: /url2';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expectLinkTextSpan(span.children![0] as TextSpan, 'foo');
expectLinkTap(linkTapResults, const MarkdownLink('foo', '/url2'));
expectLinkTextSpan(span.children![1] as TextSpan, 'baz');
expectLinkTap(linkTapResults, const MarkdownLink('baz', '/url1'));
},
);
testWidgets(
// Example 579 from GFM.
'full reference link followed by a shortcut reference link',
(WidgetTester tester) async {
const String data = '[foo][bar][baz]\n\n[baz]: /url1\n[foo]: /url2';
MarkdownLink? linkTapResults;
await tester.pumpWidget(
boilerplate(
MarkdownBody(
data: data,
onTapLink: (String text, String? href, String title) => linkTapResults = MarkdownLink(text, href, title),
),
),
);
final Text textWidget = tester.widget(find.byType(Text));
final TextSpan span = textWidget.textSpan! as TextSpan;
expect(span.children!.length, 2);
expect(span.children![0], isA<TextSpan>());
expect(span.children![0].toPlainText(), '[foo]');
expectLinkTextSpan(span.children![1] as TextSpan, 'bar');
expectLinkTap(linkTapResults, const MarkdownLink('bar', '/url1'));
},
);
});
}
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