nweiz@google.com
8604c2ffca
Review URL: https://codereview.chromium.org//297203009 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@36722 260f80e4-7a28-3924-810f-c04153c831b5
293 lines
9.8 KiB
Dart
293 lines
9.8 KiB
Dart
/// Additional feature tests that aren't based on test data.
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library parser_feature_test;
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import 'package:unittest/unittest.dart';
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import 'package:html5lib/dom.dart';
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import 'package:html5lib/parser.dart';
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import 'package:html5lib/src/constants.dart';
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import 'package:html5lib/src/treebuilder.dart';
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main() {
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test('doctype is cloneable', () {
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var doc = parse('<!doctype HTML>');
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DocumentType doctype = doc.nodes[0];
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expect(doctype.clone(false).toString(), '<!DOCTYPE html>');
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});
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test('line counter', () {
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// http://groups.google.com/group/html5lib-discuss/browse_frm/thread/f4f00e4a2f26d5c0
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var doc = parse("<pre>\nx\n>\n</pre>");
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expect(doc.body.innerHtml, "<pre>x\n>\n</pre>");
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});
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test('namespace html elements on', () {
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var doc = new HtmlParser('', tree: new TreeBuilder(true)).parse();
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expect(doc.nodes[0].namespaceUri, Namespaces.html);
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});
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test('namespace html elements off', () {
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var doc = new HtmlParser('', tree: new TreeBuilder(false)).parse();
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expect(doc.nodes[0].namespaceUri, null);
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});
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test('parse error spans - full', () {
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var parser = new HtmlParser('''
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<!DOCTYPE html>
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<html>
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<body>
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<!DOCTYPE html>
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</body>
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</html>
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''', generateSpans: true, sourceUrl: 'ParseError');
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var doc = parser.parse();
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expect(doc.body.outerHtml, '<body>\n \n \n\n</body>');
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expect(parser.errors.length, 1);
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ParseError error = parser.errors[0];
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expect(error.errorCode, 'unexpected-doctype');
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// Note: these values are 0-based, but the printed format is 1-based.
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expect(error.span.start.line, 3);
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expect(error.span.end.line, 3);
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expect(error.span.start.column, 2);
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expect(error.span.end.column, 17);
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expect(error.span.text, '<!DOCTYPE html>');
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expect(error.toString(), '''
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On line 4, column 3 of ParseError: Unexpected DOCTYPE. Ignored.
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<!DOCTYPE html>
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^^^^^^^^^^^^^^^''');
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});
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test('parse error spans - minimal', () {
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var parser = new HtmlParser('''
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<!DOCTYPE html>
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<html>
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<body>
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<!DOCTYPE html>
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</body>
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</html>
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''');
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var doc = parser.parse();
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expect(doc.body.outerHtml, '<body>\n \n \n\n</body>');
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expect(parser.errors.length, 1);
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ParseError error = parser.errors[0];
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expect(error.errorCode, 'unexpected-doctype');
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expect(error.span.start.line, 3);
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// Note: error position is at the end, not the beginning
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expect(error.span.start.column, 17);
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});
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test('text spans should have the correct length', () {
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var textContent = '\n hello {{name}}';
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var html = '<body><div>$textContent</div>';
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var doc = parse(html, generateSpans: true);
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Text text = doc.body.nodes[0].nodes[0];
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expect(text, new isInstanceOf<Text>());
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expect(text.data, textContent);
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expect(text.sourceSpan.start.offset, html.indexOf(textContent));
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expect(text.sourceSpan.length, textContent.length);
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});
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test('attribute spans', () {
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var text = '<element name="x-foo" extends="x-bar" constructor="Foo">';
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var doc = parse(text, generateSpans: true);
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var elem = doc.querySelector('element');
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expect(elem.sourceSpan.start.offset, 0);
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expect(elem.sourceSpan.end.offset, text.length);
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expect(elem.sourceSpan.text, text);
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expect(elem.attributeSpans['quux'], null);
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var span = elem.attributeSpans['extends'];
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expect(span.start.offset, text.indexOf('extends'));
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expect(span.text, 'extends="x-bar"');
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});
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test('attribute value spans', () {
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var text = '<element name="x-foo" extends="x-bar" constructor="Foo">';
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var doc = parse(text, generateSpans: true);
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var elem = doc.querySelector('element');
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expect(elem.attributeValueSpans['quux'], null);
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var span = elem.attributeValueSpans['extends'];
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expect(span.start.offset, text.indexOf('x-bar'));
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expect(span.text, 'x-bar');
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});
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test('attribute spans if no attributes', () {
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var text = '<element>';
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var doc = parse(text, generateSpans: true);
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var elem = doc.querySelector('element');
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expect(elem.attributeSpans['quux'], null);
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expect(elem.attributeValueSpans['quux'], null);
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});
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test('attribute spans if no attribute value', () {
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var text = '<foo template>';
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var doc = parse(text, generateSpans: true);
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var elem = doc.querySelector('foo');
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expect(elem.attributeSpans['template'].start.offset,
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text.indexOf('template'));
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expect(elem.attributeValueSpans.containsKey('template'), false);
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});
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test('attribute spans null if code parsed without spans', () {
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var text = '<element name="x-foo" extends="x-bar" constructor="Foo">';
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var doc = parse(text);
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var elem = doc.querySelector('element');
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expect(elem.sourceSpan, null);
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expect(elem.attributeSpans['quux'], null);
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expect(elem.attributeSpans['extends'], null);
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});
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test('void element innerHTML', () {
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var doc = parse('<div></div>');
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expect(doc.body.innerHtml, '<div></div>');
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doc = parse('<body><script></script></body>');
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expect(doc.body.innerHtml, '<script></script>');
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doc = parse('<br>');
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expect(doc.body.innerHtml, '<br>');
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doc = parse('<br><foo><bar>');
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expect(doc.body.innerHtml, '<br><foo><bar></bar></foo>');
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});
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test('empty document has html, body, and head', () {
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var doc = parse('');
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var html = '<html><head></head><body></body></html>';
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expect(doc.outerHtml, html);
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expect(doc.documentElement.outerHtml, html);
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expect(doc.head.outerHtml, '<head></head>');
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expect(doc.body.outerHtml, '<body></body>');
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});
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test('strange table case', () {
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var doc = parse('<table><tbody><foo>').body;
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expect(doc.innerHtml, '<foo></foo><table><tbody></tbody></table>');
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});
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group('html serialization', () {
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test('attribute order', () {
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// Note: the spec only requires a stable order.
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// However, we preserve the input order via LinkedHashMap
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var body = parse('<foo d=1 a=2 c=3 b=4>').body;
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expect(body.innerHtml, '<foo d="1" a="2" c="3" b="4"></foo>');
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expect(body.querySelector('foo').attributes.remove('a'), '2');
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expect(body.innerHtml, '<foo d="1" c="3" b="4"></foo>');
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body.querySelector('foo').attributes['a'] = '0';
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expect(body.innerHtml, '<foo d="1" c="3" b="4" a="0"></foo>');
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});
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test('escaping Text node in <script>', () {
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Element e = parseFragment('<script>a && b</script>').firstChild;
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expect(e.outerHtml, '<script>a && b</script>');
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});
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test('escaping Text node in <span>', () {
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Element e = parseFragment('<span>a && b</span>').firstChild;
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expect(e.outerHtml, '<span>a && b</span>');
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});
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test('Escaping attributes', () {
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Element e = parseFragment('<div class="a<b>">').firstChild;
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expect(e.outerHtml, '<div class="a<b>"></div>');
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e = parseFragment('<div class=\'a"b\'>').firstChild;
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expect(e.outerHtml, '<div class="a"b"></div>');
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});
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test('Escaping non-breaking space', () {
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var text = '<span>foO\u00A0bar</span>';
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expect(text.codeUnitAt(text.indexOf('O') + 1), 0xA0);
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Element e = parseFragment(text).firstChild;
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expect(e.outerHtml, '<span>foO bar</span>');
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});
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test('Newline after <pre>', () {
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Element e = parseFragment('<pre>\n\nsome text</span>').firstChild;
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expect((e.firstChild as Text).data, '\nsome text');
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expect(e.outerHtml, '<pre>\n\nsome text</pre>');
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e = parseFragment('<pre>\nsome text</span>').firstChild;
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expect((e.firstChild as Text).data, 'some text');
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expect(e.outerHtml, '<pre>some text</pre>');
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});
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test('xml namespaces', () {
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// Note: this is a nonsensical example, but it triggers the behavior
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// we're looking for with attribute names in foreign content.
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var doc = parse('''
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<body>
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<svg>
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<desc xlink:type="simple"
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xlink:href="http://example.com/logo.png"
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xlink:show="new"></desc>
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''');
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var n = doc.querySelector('desc');
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var keys = n.attributes.keys.toList();
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expect(keys[0], new isInstanceOf<AttributeName>());
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expect(keys[0].prefix, 'xlink');
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expect(keys[0].namespace, 'http://www.w3.org/1999/xlink');
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expect(keys[0].name, 'type');
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expect(n.outerHtml, '<desc xlink:type="simple" '
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'xlink:href="http://example.com/logo.png" xlink:show="new"></desc>');
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});
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});
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test('error printing without spans', () {
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var parser = new HtmlParser('foo');
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var doc = parser.parse();
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expect(doc.body.innerHtml, 'foo');
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expect(parser.errors.length, 1);
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expect(parser.errors[0].errorCode, 'expected-doctype-but-got-chars');
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expect(parser.errors[0].message,
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'Unexpected non-space characters. Expected DOCTYPE.');
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expect(parser.errors[0].toString(),
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'ParserError on line 1, column 4: Unexpected non-space characters. '
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'Expected DOCTYPE.');
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});
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test('Element.text', () {
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var doc = parseFragment('<div>foo<div>bar</div>baz</div>');
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var e = doc.firstChild;
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var text = e.firstChild;
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expect((text as Text).data, 'foo');
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expect(e.text, 'foobarbaz');
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e.text = 'FOO';
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expect(e.nodes.length, 1);
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expect(e.firstChild, isNot(text), reason: 'should create a new tree');
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expect((e.firstChild as Text).data, 'FOO');
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expect(e.text, 'FOO');
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});
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test('Text.text', () {
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var doc = parseFragment('<div>foo<div>bar</div>baz</div>');
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var e = doc.firstChild;
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Text text = e.firstChild;
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expect(text.data, 'foo');
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expect(text.text, 'foo');
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text.text = 'FOO';
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expect(text.data, 'FOO');
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expect(e.text, 'FOObarbaz');
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expect(text.text, 'FOO');
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});
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test('Comment.text', () {
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var doc = parseFragment('<div><!--foo-->bar</div>');
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var e = doc.firstChild;
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var c = e.firstChild;
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expect((c as Comment).data, 'foo');
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expect(c.text, 'foo');
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expect(e.text, 'bar');
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c.text = 'qux';
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expect(c.data, 'qux');
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expect(c.text, 'qux');
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expect(e.text, 'bar');
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});
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}
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