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import test from 'ava' |
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import Window from 'window'; |
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import doctypeToString from '.' |
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function makeStubDocument(doctype) { |
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const window = new Window() |
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const parser = new window.DOMParser() |
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const doc = parser.parseFromString( |
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`${doctype}<html></html>`, |
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'text/html' |
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) |
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return doc |
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} |
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test('should return empty string if absent', t => { |
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const doctype = '' |
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const doc = makeStubDocument() |
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t.is(doctypeToString(doc.doctype), doctype) |
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}) |
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test('should work for a HTML5-ish doctype', t => { |
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const doctype = '<!DOCTYPE html>' |
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const doc = makeStubDocument(doctype) |
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t.is(doctypeToString(doc.doctype), doctype) |
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}) |
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test('should work for a HTML4-ish doctype', t => { |
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const doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">' |
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const doc = makeStubDocument(doctype) |
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t.is(doctypeToString(doc.doctype), doctype) |
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}) |
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test('should work for a doctype without public id', t => { |
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const doctype = '<!DOCTYPE html SYSTEM "http://www.w3.org/TR/html4/loose.dtd">' |
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const doc = makeStubDocument(doctype) |
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t.is(doctypeToString(doc.doctype), doctype) |
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}) |
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// Cannot test, as modern parsers do not to support internal declarations. |
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// test('should work for a doctype with internal declarations', t => { |
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// const doctype = `<!DOCTYPE html SYSTEM "example.dtd" [ |
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// <!ENTITY foo "foo"> |
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// <!ENTITY bar "bar"> |
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// ]>` |
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// const doc = makeStubDocument(doctype) |
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// t.is(doctypeToString(doc.doctype), doctype) |
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// }) |
