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index.test.js
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1408 lines (1357 loc) · 56 KB
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const {markdownToMarkup} = require('./index')
const {JSDOM} = require('jsdom')
describe('Blockquote', () => {
it('should render correctly', () => {
const textContent = 'This is a blockquote.'
const markdown = `> ${textContent}`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const blockquoteNode = root.children[0]
expect(blockquoteNode.tagName.toLowerCase()).toBe('blockquote')
expect(blockquoteNode.children.length).toBe(1)
const paragraphNode = blockquoteNode.children[0]
expect(paragraphNode.tagName.toLowerCase()).toBe('p')
expect(paragraphNode.textContent).toBe(textContent)
})
it('should render correctly with multiple paragraphs', () => {
const textContents = ['This is a paragraph.', 'This is another paragraph.']
const markdown = [textContents[0], '', textContents[1]]
.map(textContent => `> ${textContent}`)
.join('\n')
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const blockquoteNode = root.children[0]
expect(blockquoteNode.tagName.toLowerCase()).toBe('blockquote')
expect(blockquoteNode.children.length).toBe(2)
const paragraphNodes = blockquoteNode.children
expect(paragraphNodes[0].tagName.toLowerCase()).toBe('p')
expect(paragraphNodes[0].textContent).toBe(textContents[0])
expect(paragraphNodes[1].tagName.toLowerCase()).toBe('p')
expect(paragraphNodes[1].textContent).toBe(textContents[1])
})
it('should render correctly with embedded markdown', () => {
const textContents = ['This is a blockquote', '.']
const emphasisTextContent = 'with emphasis'
const markdown = `> ${textContents[0]} **${emphasisTextContent}** ${textContents[1]}`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const blockquoteNode = root.children[0]
expect(blockquoteNode.tagName.toLowerCase()).toBe('blockquote')
expect(blockquoteNode.children.length).toBe(1)
const paragraphNode = blockquoteNode.children[0]
expect(paragraphNode.tagName.toLowerCase()).toBe('p')
const fullParagraphText = `${textContents[0]} ${emphasisTextContent} ${textContents[1]}`
expect(paragraphNode.textContent).toBe(fullParagraphText)
expect(paragraphNode.children.length).toBe(1)
const emphasisNode = paragraphNode.children[0]
expect(emphasisNode.tagName.toLowerCase()).toBe('strong')
expect(emphasisNode.textContent).toBe(emphasisTextContent)
})
})
describe('Code block', () => {
it('should render correctly', () => {
const codeContent = 'language is not identified'
const markdown = [
'```',
codeContent,
'```'
].join('\n')
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(3)
expect(root.children[0].tagName.toLowerCase()).toBe('script')
const preNode = root.children[1]
expect(preNode.outerHTML.includes(codeContent)).toBe(true)
expect(root.children[2].tagName.toLowerCase()).toBe('div')
expect(root.children[2].children.length).toBe(1)
expect(root.children[2].children[0].tagName.toLowerCase()).toBe('button')
expect(root.children[2].children[0].textContent).toBe('Copy to clipboard')
})
it('should render correctly with syntax highlighting', () => {
const markdown = [
'```js',
'const numbers = [1, 2, 3]',
'const doubles = numbers',
' .map(',
' number => number * 2',
' )',
'```'
].join('\n')
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(3)
expect(root.children[0].tagName.toLowerCase()).toBe('script')
const preNode = root.children[1]
const fragments = [
'<code class="language-js">',
'<span class="token keyword">const</span>',
'<span class="token operator">=</span>',
'<span class="token punctuation">[</span>',
'<span class="token number">1</span>',
'<span class="token function">map</span>'
]
fragments.forEach(fragment => {
expect(preNode.outerHTML.includes(fragment)).toBe(true)
})
expect(root.children[2].tagName.toLowerCase()).toBe('div')
expect(root.children[2].children.length).toBe(1)
expect(root.children[2].children[0].tagName.toLowerCase()).toBe('button')
expect(root.children[2].children[0].textContent).toBe('Copy to clipboard')
})
})
describe('Emphasis', () => {
it('should render correctly with every syntax', () => {
const textContent = 'emphasis'
const paragraphs = [
`Some _${textContent}_ here.`,
`Some *${textContent}* here.`,
`Some __${textContent}__ here.`,
`Some **${textContent}** here.`
]
paragraphs.map((paragraph, paragraphIndex) => {
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(paragraph)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
const emphasisNode = paragraphNode.children[0]
const expectedTagName = (paragraphIndex < 2) ? 'em' : 'strong'
expect(emphasisNode.tagName.toLowerCase()).toBe(expectedTagName)
expect(emphasisNode.textContent).toBe(textContent)
})
})
})
describe('Figure', () => {
it('should render correctly', () => {
const imageUrl = 'http://www.placecage.com/200/200'
const altText = 'Alt text'
const markdown = `\n`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const wrapperNode = root.children[0]
expect(wrapperNode.tagName.toLowerCase()).toBe('div')
expect(wrapperNode.classList.contains('figureWrapper')).toBe(true)
expect(wrapperNode.children.length).toBe(1)
const figureNode = wrapperNode.children[0]
expect(figureNode.tagName.toLowerCase()).toBe('figure')
expect(figureNode.children.length).toBe(1)
const imageNode = figureNode.children[0]
expect(imageNode.tagName.toLowerCase()).toBe('img')
expect(imageNode.src).toBe(imageUrl)
expect(imageNode.alt).toBe(altText)
})
it('should render correctly with title', () => {
const imageUrl = 'http://www.placecage.com/200/200'
const altText = 'Alt text'
const titleText = 'Title text'
const markdown = `\n`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const wrapperNode = root.children[0]
expect(wrapperNode.tagName.toLowerCase()).toBe('div')
expect(wrapperNode.classList.contains('figureWrapper')).toBe(true)
expect(wrapperNode.children.length).toBe(1)
const figureNode = wrapperNode.children[0]
expect(figureNode.tagName.toLowerCase()).toBe('figure')
expect(figureNode.children.length).toBe(2)
const imageNode = figureNode.children[0]
expect(imageNode.tagName.toLowerCase()).toBe('img')
expect(imageNode.src).toBe(imageUrl)
expect(imageNode.alt).toBe(altText)
const captionNode = figureNode.children[1]
expect(captionNode.tagName.toLowerCase()).toBe('figcaption')
expect(captionNode.textContent).toBe(titleText)
})
it('should resolve reference and render correctly', () => {
const imageUrl = 'http://www.placecage.com/200/200'
const altText = 'Alt text'
const reference = 'imageReference'
const markdown = `![${altText}][${reference}]\n\n[${reference}]: ${imageUrl}`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const wrapperNode = root.children[0]
expect(wrapperNode.tagName.toLowerCase()).toBe('div')
expect(wrapperNode.classList.contains('figureWrapper')).toBe(true)
expect(wrapperNode.children.length).toBe(1)
const figureNode = wrapperNode.children[0]
expect(figureNode.tagName.toLowerCase()).toBe('figure')
expect(figureNode.children.length).toBe(1)
const imageNode = figureNode.children[0]
expect(imageNode.tagName.toLowerCase()).toBe('img')
expect(imageNode.src).toBe(imageUrl)
expect(imageNode.alt).toBe(altText)
})
it('should resolve reference and render correctly with title', () => {
const imageUrl = 'http://www.placecage.com/200/200'
const altText = 'Alt text'
const titleText = 'Title text'
const reference = 'imageReference'
const markdown = `![${altText}][${reference}]\n\n[${reference}]: ${imageUrl} "${titleText}"`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const wrapperNode = root.children[0]
expect(wrapperNode.tagName.toLowerCase()).toBe('div')
expect(wrapperNode.classList.contains('figureWrapper')).toBe(true)
expect(wrapperNode.children.length).toBe(1)
const figureNode = wrapperNode.children[0]
expect(figureNode.tagName.toLowerCase()).toBe('figure')
expect(figureNode.children.length).toBe(2)
const imageNode = figureNode.children[0]
expect(imageNode.tagName.toLowerCase()).toBe('img')
expect(imageNode.src).toBe(imageUrl)
expect(imageNode.alt).toBe(altText)
const captionNode = figureNode.children[1]
expect(captionNode.tagName.toLowerCase()).toBe('figcaption')
expect(captionNode.textContent).toBe(titleText)
})
})
describe('Headings', () => {
it('with # syntax should render correctly', () => {
const textContent = 'Heading'
const headings = [
`# ${textContent}`,
`## ${textContent}`,
`### ${textContent}`,
`#### ${textContent}`,
`##### ${textContent}`,
`###### ${textContent}`
]
headings.map((heading, headingIndex) => {
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(heading)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
expect(root.children[0].tagName.toLowerCase()).toBe(`h${headingIndex + 1}`)
expect(root.children[0].textContent).toBe(textContent)
})
})
it('with =/- syntax should render correctly', () => {
const textContent = 'Heading'
const headings = [
`${textContent}\n=======`,
`${textContent}\n-------`,
]
headings.map((heading, headingIndex) => {
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(heading)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
expect(root.children[0].tagName.toLowerCase()).toBe(`h${headingIndex + 1}`)
expect(root.children[0].textContent).toBe(textContent)
})
})
it('with nested markdown it should render correctly', () => {
const [start, emphasis, end] = ['Heading with', 'emphasis', 'inside']
const headingMarkdownContent = `${start} **${emphasis}** ${end}`
const headings = [
`# ${headingMarkdownContent}`,
`## ${headingMarkdownContent}`,
`### ${headingMarkdownContent}`,
`#### ${headingMarkdownContent}`,
`##### ${headingMarkdownContent}`,
`###### ${headingMarkdownContent}`
]
headings.map((heading, headingIndex) => {
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(heading)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const headingNode = root.children[0]
expect(headingNode.children.length).toBe(1)
expect(headingNode.tagName.toLowerCase()).toBe(`h${headingIndex + 1}`)
expect(headingNode.textContent).toBe(`${start} ${emphasis} ${end}`)
const emphasisNode = headingNode.children[0]
expect(emphasisNode.tagName.toLowerCase()).toBe('strong')
expect(emphasisNode.textContent).toBe(emphasis)
})
})
})
describe('HTML code', () => {
it('should render intact', () => {
const delContent = 'custom HTML'
const smallContent = 'not be a problem'
const markdown =
`Some <del>${delContent}</del> should`
+ `<small>${smallContent}</small> at all.`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(2)
const delNode = paragraphNode.children[0]
expect(delNode.tagName.toLowerCase()).toBe('del')
expect(delNode.textContent).toBe(delContent)
const smallNode = paragraphNode.children[1]
expect(smallNode.tagName.toLowerCase()).toBe('small')
expect(smallNode.textContent).toBe(smallContent)
})
})
describe('Image', () => {
it('should render correctly', () => {
const imageUrl = 'http://www.placecage.com/200/200'
const altText = 'Alt text'
const markdown = `A  B\n`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
const imageNode = paragraphNode.children[0]
expect(imageNode.tagName.toLowerCase()).toBe('img')
expect(imageNode.src).toBe(imageUrl)
expect(imageNode.alt).toBe(altText)
})
it('should render correctly with title', () => {
const imageUrl = 'http://www.placecage.com/200/200'
const altText = 'Alt text'
const titleText = 'Title text'
const markdown = `A  B\n`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
const imageNode = paragraphNode.children[0]
expect(imageNode.tagName.toLowerCase()).toBe('img')
expect(imageNode.src).toBe(imageUrl)
expect(imageNode.alt).toBe(altText)
expect(imageNode.title).toBe(titleText)
})
it('should resolve reference and render correctly', () => {
const imageUrl = 'http://www.placecage.com/200/200'
const altText = 'Alt text'
const reference = 'imageReference'
const markdown = `A ![${altText}][${reference}] B\n\n[${reference}]: ${imageUrl}`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
const imageNode = paragraphNode.children[0]
expect(imageNode.tagName.toLowerCase()).toBe('img')
expect(imageNode.src).toBe(imageUrl)
expect(imageNode.alt).toBe(altText)
})
it('should resolve reference and render correctly with title', () => {
const imageUrl = 'http://www.placecage.com/200/200'
const altText = 'Alt text'
const titleText = 'Title text'
const reference = 'imageReference'
const markdown = `A ![${altText}][${reference}] B\n\n[${reference}]: ${imageUrl} "${titleText}"`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
const imageNode = paragraphNode.children[0]
expect(imageNode.tagName.toLowerCase()).toBe('img')
expect(imageNode.src).toBe(imageUrl)
expect(imageNode.alt).toBe(altText)
expect(imageNode.title).toBe(titleText)
})
})
describe('Inline code', () => {
it('should render correctly', () => {
const textContent = 'run()'
const markdown = `You can just call \`${textContent}\` to start.`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
const codeNode = paragraphNode.children[0]
expect(codeNode.tagName.toLowerCase()).toBe('code')
expect(codeNode.textContent).toBe(textContent)
})
})
describe('Link', () => {
it('should render correctly', () => {
const href = 'https://github.com/'
const textContent = 'Link'
const restOfTheParagraph = ' in a paragraph'
const markdown = `[${textContent}](${href})${restOfTheParagraph}`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
expect(paragraphNode.textContent).toBe(`${textContent}${restOfTheParagraph}`)
const anchorNode = paragraphNode.children[0]
expect(anchorNode.tagName.toLowerCase()).toBe('a')
expect(anchorNode.textContent).toBe(textContent)
expect(anchorNode.href).toBe(href)
})
it('should render correctly with title', () => {
const href = 'https://github.com/'
const textContent = 'Link'
const title = 'Link title'
const restOfTheParagraph = ' in a paragraph'
const markdown = `[${textContent}](${href} "${title}")${restOfTheParagraph}`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
expect(paragraphNode.textContent).toBe(`${textContent}${restOfTheParagraph}`)
const anchorNode = paragraphNode.children[0]
expect(anchorNode.tagName.toLowerCase()).toBe('a')
expect(anchorNode.textContent).toBe(textContent)
expect(anchorNode.href).toBe(href)
expect(anchorNode.title).toBe(title)
})
it('should render correctly with embedded markdown', () => {
const href = 'https://github.com/'
const textContent = 'Link'
const restOfTheParagraph = ' in a paragraph'
const markdown = `[*${textContent}*](${href})${restOfTheParagraph}`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
expect(paragraphNode.textContent).toBe(`${textContent}${restOfTheParagraph}`)
const anchorNode = paragraphNode.children[0]
expect(anchorNode.tagName.toLowerCase()).toBe('a')
expect(anchorNode.href).toBe(href)
expect(anchorNode.children[0].tagName.toLowerCase()).toBe('em')
expect(anchorNode.children[0].textContent).toBe(textContent)
})
it('should render correctly with embedded markdown and title', () => {
const href = 'https://github.com/'
const textContent = 'Link'
const title = 'Link title'
const restOfTheParagraph = ' in a paragraph'
const markdown = `[*${textContent}*](${href} "${title}")${restOfTheParagraph}`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
expect(paragraphNode.textContent).toBe(`${textContent}${restOfTheParagraph}`)
const anchorNode = paragraphNode.children[0]
expect(anchorNode.tagName.toLowerCase()).toBe('a')
expect(anchorNode.href).toBe(href)
expect(anchorNode.title).toBe(title)
expect(anchorNode.children[0].tagName.toLowerCase()).toBe('em')
expect(anchorNode.children[0].textContent).toBe(textContent)
})
it('should resolve reference and render correctly', () => {
const href = 'https://github.com/'
const textContent = 'Link'
const restOfTheParagraph = ' in a paragraph'
const reference = 'linkReference'
const markdown = `[${textContent}][${reference}]${restOfTheParagraph}\n\n[${reference}]: ${href}`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
expect(paragraphNode.textContent).toBe(`${textContent}${restOfTheParagraph}`)
const anchorNode = paragraphNode.children[0]
expect(anchorNode.tagName.toLowerCase()).toBe('a')
expect(anchorNode.textContent).toBe(textContent)
expect(anchorNode.href).toBe(href)
})
it('should resolve reference and render correctly with title', () => {
const href = 'https://github.com/'
const textContent = 'Link'
const restOfTheParagraph = ' in a paragraph'
const title = 'Link title'
const reference = 'linkReference'
const markdown = `[${textContent}][${reference}]${restOfTheParagraph}\n\n[${reference}]: ${href} "${title}"`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
expect(paragraphNode.textContent).toBe(`${textContent}${restOfTheParagraph}`)
const anchorNode = paragraphNode.children[0]
expect(anchorNode.tagName.toLowerCase()).toBe('a')
expect(anchorNode.textContent).toBe(textContent)
expect(anchorNode.href).toBe(href)
expect(anchorNode.title).toBe(title)
})
it('should resolve reference and render correctly with embedded markdown', () => {
const href = 'https://github.com/'
const textContent = 'Link'
const restOfTheParagraph = ' in a paragraph'
const reference = 'linkReference'
const markdown = `[*${textContent}*][${reference}]${restOfTheParagraph}\n\n[${reference}]: ${href}`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
expect(paragraphNode.textContent).toBe(`${textContent}${restOfTheParagraph}`)
const anchorNode = paragraphNode.children[0]
expect(anchorNode.tagName.toLowerCase()).toBe('a')
expect(anchorNode.href).toBe(href)
expect(anchorNode.children[0].tagName.toLowerCase()).toBe('em')
expect(anchorNode.children[0].textContent).toBe(textContent)
})
it('should resolve reference and render correctly with embedded markdown and title', () => {
const href = 'https://github.com/'
const textContent = 'Link'
const restOfTheParagraph = ' in a paragraph'
const title = 'Link title'
const reference = 'linkReference'
const markdown = `[*${textContent}*][${reference}]${restOfTheParagraph}\n\n[${reference}]: ${href} "${title}"`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
expect(paragraphNode.textContent).toBe(`${textContent}${restOfTheParagraph}`)
const anchorNode = paragraphNode.children[0]
expect(anchorNode.tagName.toLowerCase()).toBe('a')
expect(anchorNode.href).toBe(href)
expect(anchorNode.title).toBe(title)
expect(anchorNode.children[0].tagName.toLowerCase()).toBe('em')
expect(anchorNode.children[0].textContent).toBe(textContent)
})
it('should render correctly with auto link', () => {
const [start, href, end] = ['You should visit', 'https://github.com/', 'for cool stuff.']
const markdown = `${start} ${href} ${end}`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
expect(paragraphNode.textContent).toBe(`${start} ${href} ${end}`)
const anchorNode = paragraphNode.children[0]
expect(anchorNode.tagName.toLowerCase()).toBe('a')
expect(anchorNode.textContent).toBe(href)
expect(anchorNode.href).toBe(href)
})
it('should render correctly with auto email link', () => {
const [start, email, end] = ['You should write to', '[email protected]', 'for cool stuff.']
const markdown = `${start} ${email} ${end}`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const paragraphNode = root.children[0]
expect(paragraphNode.children.length).toBe(1)
expect(paragraphNode.textContent).toBe(`${start} ${email} ${end}`)
const anchorNode = paragraphNode.children[0]
expect(anchorNode.tagName.toLowerCase()).toBe('a')
expect(anchorNode.textContent).toBe(email)
expect(anchorNode.href).toBe(`mailto:${email}`)
})
})
describe('List', () => {
describe('Ordered list', () => {
it('should render correctly', () => {
const textContents = ['Some text', 'Some other text', 'Even more text']
const markdown = textContents
.map(text => `1. ${text}`)
.join('\n')
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const listNode = root.children[0]
expect(listNode.tagName.toLowerCase()).toBe('ol')
expect(listNode.children.length).toBe(3)
Array.from(listNode.children).forEach((listItem, index) => {
expect(listItem.tagName.toLowerCase()).toBe('li')
expect(listItem.children.length).toBe(1)
expect(listItem.children[0].tagName.toLowerCase()).toBe('p')
expect(listItem.children[0].textContent).toBe(textContents[index])
})
})
it('should render correctly with embedded markdown', () => {
const textContents = [
{
beginning: 'Some text',
emphasis: 'with emphasis',
end: 'inside'
},
{
beginning: 'Some text',
emphasis: 'with emphasis',
end: 'inside'
}
]
const markdownContents = [
`${textContents[0].beginning} *${textContents[0].emphasis}* ${textContents[0].end}`,
`${textContents[1].beginning} __${textContents[1].emphasis}__ ${textContents[1].end}`
]
const markdown = markdownContents
.map(text => `1. ${text}`)
.join('\n')
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const listNode = root.children[0]
expect(listNode.tagName.toLowerCase()).toBe('ol')
expect(listNode.children.length).toBe(2)
const firstListItem = listNode.children[0]
expect(firstListItem.tagName.toLowerCase()).toBe('li')
expect(firstListItem.textContent).toBe(
`${textContents[0].beginning} ${textContents[0].emphasis} ${textContents[0].end}`
)
expect(firstListItem.children.length).toBe(1)
expect(firstListItem.children[0].tagName.toLowerCase()).toBe('p')
expect(firstListItem.children[0].children.length).toBe(1)
expect(firstListItem.children[0].children[0].tagName.toLowerCase()).toBe('em')
expect(firstListItem.children[0].children[0].textContent).toBe(textContents[0].emphasis)
const secondListItem = listNode.children[0]
expect(secondListItem.tagName.toLowerCase()).toBe('li')
expect(secondListItem.textContent).toBe(
`${textContents[1].beginning} ${textContents[1].emphasis} ${textContents[1].end}`
)
expect(secondListItem.children.length).toBe(1)
expect(secondListItem.children[0].tagName.toLowerCase()).toBe('p')
expect(secondListItem.children[0].children.length).toBe(1)
expect(secondListItem.children[0].children[0].tagName.toLowerCase()).toBe('em')
expect(secondListItem.children[0].children[0].textContent).toBe(textContents[1].emphasis)
})
it('should render correctly with multiple paragraphs', () => {
const subParagraphs = [
'This is the second paragraph in the list item.',
'It breaks in two lines for show.'
]
const paragraphs = [
'This is a list item with two paragraphs.',
`${subParagraphs[0]}\n ${subParagraphs[1]}`,
'Another item in the same list.'
]
const markdown = `1. ${paragraphs[0]}\n\n ${paragraphs[1]}\n\n1. ${paragraphs[2]}`
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const listNode = root.children[0]
expect(listNode.tagName.toLowerCase()).toBe('ol')
expect(listNode.children.length).toBe(2)
const firstListItem = listNode.children[0]
expect(firstListItem.tagName.toLowerCase()).toBe('li')
expect(firstListItem.textContent).toBe(
`${paragraphs[0]}${subParagraphs[0]}\n${subParagraphs[1]}`
)
expect(firstListItem.children.length).toBe(2)
expect(firstListItem.children[0].tagName.toLowerCase()).toBe('p')
expect(firstListItem.children[0].textContent).toBe(paragraphs[0])
expect(firstListItem.children[1].tagName.toLowerCase()).toBe('p')
expect(firstListItem.children[1].textContent).toBe(paragraphs[1].replace(' ', ''))
const secondListItem = listNode.children[1]
expect(secondListItem.tagName.toLowerCase()).toBe('li')
expect(secondListItem.children.length).toBe(1)
expect(secondListItem.children[0].tagName.toLowerCase()).toBe('p')
expect(secondListItem.children[0].textContent).toBe(paragraphs[2])
})
})
describe('Unordered list', () => {
it('should render correctly with * syntax', () => {
const textContents = ['Some text', 'Some other text', 'Even more text']
const markdown = textContents
.map(text => `* ${text}`)
.join('\n')
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const listNode = root.children[0]
expect(listNode.tagName.toLowerCase()).toBe('ul')
expect(listNode.children.length).toBe(3)
Array.from(listNode.children).forEach((listItem, index) => {
expect(listItem.tagName.toLowerCase()).toBe('li')
expect(listItem.children.length).toBe(1)
expect(listItem.children[0].tagName.toLowerCase()).toBe('p')
expect(listItem.children[0].textContent).toBe(textContents[index])
})
})
it('should render correctly with - syntax', () => {
const textContents = ['Some text', 'Some other text', 'Even more text']
const markdown = textContents
.map(text => `- ${text}`)
.join('\n')
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const listNode = root.children[0]
expect(listNode.tagName.toLowerCase()).toBe('ul')
expect(listNode.children.length).toBe(3)
Array.from(listNode.children).forEach((listItem, index) => {
expect(listItem.tagName.toLowerCase()).toBe('li')
expect(listItem.children.length).toBe(1)
expect(listItem.children[0].tagName.toLowerCase()).toBe('p')
expect(listItem.children[0].textContent).toBe(textContents[index])
})
})
it('should render correctly with + syntax', () => {
const textContents = ['Some text', 'Some other text', 'Even more text']
const markdown = textContents
.map(text => `+ ${text}`)
.join('\n')
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const listNode = root.children[0]
expect(listNode.tagName.toLowerCase()).toBe('ul')
expect(listNode.children.length).toBe(3)
Array.from(listNode.children).forEach((listItem, index) => {
expect(listItem.tagName.toLowerCase()).toBe('li')
expect(listItem.children.length).toBe(1)
expect(listItem.children[0].tagName.toLowerCase()).toBe('p')
expect(listItem.children[0].textContent).toBe(textContents[index])
})
})
it('should render correctly with * syntax and embedded markdown', () => {
const textContents = [
{
beginning: 'Some text',
emphasis: 'with emphasis',
end: 'inside'
},
{
beginning: 'Some text',
emphasis: 'with emphasis',
end: 'inside'
}
]
const markdownContents = [
`${textContents[0].beginning} *${textContents[0].emphasis}* ${textContents[0].end}`,
`${textContents[1].beginning} __${textContents[1].emphasis}__ ${textContents[1].end}`
]
const markdown = markdownContents
.map(text => `* ${text}`)
.join('\n')
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const listNode = root.children[0]
expect(listNode.tagName.toLowerCase()).toBe('ul')
expect(listNode.children.length).toBe(2)
const firstListItem = listNode.children[0]
expect(firstListItem.tagName.toLowerCase()).toBe('li')
expect(firstListItem.textContent).toBe(
`${textContents[0].beginning} ${textContents[0].emphasis} ${textContents[0].end}`
)
expect(firstListItem.children.length).toBe(1)
expect(firstListItem.children[0].tagName.toLowerCase()).toBe('p')
expect(firstListItem.children[0].children.length).toBe(1)
expect(firstListItem.children[0].children[0].tagName.toLowerCase()).toBe('em')
expect(firstListItem.children[0].children[0].textContent).toBe(textContents[0].emphasis)
const secondListItem = listNode.children[0]
expect(secondListItem.tagName.toLowerCase()).toBe('li')
expect(secondListItem.textContent).toBe(
`${textContents[1].beginning} ${textContents[1].emphasis} ${textContents[1].end}`
)
expect(secondListItem.children.length).toBe(1)
expect(secondListItem.children[0].tagName.toLowerCase()).toBe('p')
expect(secondListItem.children[0].children.length).toBe(1)
expect(secondListItem.children[0].children[0].tagName.toLowerCase()).toBe('em')
expect(secondListItem.children[0].children[0].textContent).toBe(textContents[1].emphasis)
})
it('should render correctly with - syntax and embedded markdown', () => {
const textContents = [
{
beginning: 'Some text',
emphasis: 'with emphasis',
end: 'inside'
},
{
beginning: 'Some text',
emphasis: 'with emphasis',
end: 'inside'
}
]
const markdownContents = [
`${textContents[0].beginning} *${textContents[0].emphasis}* ${textContents[0].end}`,
`${textContents[1].beginning} __${textContents[1].emphasis}__ ${textContents[1].end}`
]
const markdown = markdownContents
.map(text => `- ${text}`)
.join('\n')
const dom = new JSDOM(
`<!DOCTYPE html>
<div id="root">
${markdownToMarkup(markdown)}
</div>`
)
const root = dom.window.document.getElementById('root')
expect(root.children.length).toBe(1)
const listNode = root.children[0]
expect(listNode.tagName.toLowerCase()).toBe('ul')
expect(listNode.children.length).toBe(2)
const firstListItem = listNode.children[0]
expect(firstListItem.tagName.toLowerCase()).toBe('li')
expect(firstListItem.textContent).toBe(
`${textContents[0].beginning} ${textContents[0].emphasis} ${textContents[0].end}`
)