pkgs/markdown/test/markdown_test.dart

// Copyright (c) 2011, 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.

/// Unit tests for markdown.
library markdown.test.markdown_test;

import 'package:test/test.dart';

import 'package:markdown/markdown.dart';

import 'util.dart';

/// Most of these tests are based on observing how showdown behaves:
/// http://softwaremaniacs.org/playground/showdown-highlight/
void main() {
  testDirectory('original');

  group('Resolver', () {
    Node nyanResolver(String text) => new Text('~=[,,_${text}_,,]:3');
    validateCore('simple link resolver', '''
resolve [this] thing
''', '''
<p>resolve ~=[,,_this_,,]:3 thing</p>
''', linkResolver: nyanResolver);

    validateCore('simple image resolver', '''
resolve ![this] thing
''', '''
<p>resolve ~=[,,_this_,,]:3 thing</p>
''', imageLinkResolver: nyanResolver);

    validateCore('can resolve link containing inline tags', '''
resolve [*star* _underline_] thing
''', '''
<p>resolve ~=[,,_*star* _underline__,,]:3 thing</p>\n
''', linkResolver: nyanResolver);
  });

  group('Custom inline syntax', () {
    var nyanSyntax = <InlineSyntax>[new TextSyntax('nyan', sub: '~=[,,_,,]:3')];
    validateCore('simple inline syntax', '''
nyan''', '''<p>~=[,,_,,]:3</p>
''', inlineSyntaxes: nyanSyntax);

    validateCore('dart custom links', 'links [are<foo>] awesome',
        '<p>links <a>are&lt;foo></a> awesome</p>\n',
        linkResolver: (text) =>
            new Element.text('a', text.replaceAll('<', '&lt;')));

    // TODO(amouravski): need more tests here for custom syntaxes, as some
    // things are not quite working properly. The regexps are sometime a little
    // too greedy, I think.
  });

  group('Inline only', () {
    validateCore('simple line', '''
        This would normally create a paragraph.
        ''',
        '''
        This would normally create a paragraph.
        ''', inlineOnly: true);
    validateCore('strong and em', '''
        This would _normally_ create a **paragraph**.
        ''',
        '''
        This would <em>normally</em> create a <strong>paragraph</strong>.
        ''', inlineOnly: true);
    validateCore('link', '''
        This [link](http://www.example.com/) will work normally.
        ''',
        '''
        This <a href="http://www.example.com/">link</a> will work normally.
        ''', inlineOnly: true);
    validateCore('references do not work', '''
        [This][] shouldn't work, though.
        ''',
        '''
        [This][] shouldn't work, though.
        ''', inlineOnly: true);
    validateCore('less than and ampersand are escaped', '''
        < &
        ''',
        '''
        &lt; &amp;
        ''', inlineOnly: true);
    validateCore('keeps newlines', '''
        This paragraph
        continues after a newline.
        ''',
        '''
        This paragraph
        continues after a newline.
        ''', inlineOnly: true);
    validateCore('ignores block-level markdown syntax', '''
        1. This will not be an <ol>.
        ''',
        '''
        1. This will not be an &lt;ol>.
        ''', inlineOnly: true);
  });
}