mirror of https://github.com/01-edu/public.git
68 lines
1.7 KiB
JavaScript
68 lines
1.7 KiB
JavaScript
export const tests = []
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export const setup = async ({ page }) => ({
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content: await page.$$eval('div', nodes => nodes.map(n => ({
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text: n.textContent,
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size: Number((n.style.fontSize || '').slice(0, -2)),
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weight: Number(n.style.fontWeight),
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})))
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})
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tests.push(({ eq, content }) => {
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// should contain 120 items
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eq(content.length, 120)
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})
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tests.push(({ eq, content }) => {
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// content should only be one letter long
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eq(content.reduce((total, { text }) => total + text.length, 0), 120)
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})
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tests.push(({ eq, content }) => {
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// we expect random to yield at least 10 different letters
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eq(new Set(content).size > 10, true)
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})
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tests.push(({ eq, content }) => {
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// only letters from 'A' to 'Z'
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eq(content.every(({ text }) => text >= 'A' && text <= 'Z'), true)
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})
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tests.push(({ eq, content }) => {
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// letter size should grow
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// first should be 11
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eq(content[0].size, 11)
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// last should be 120
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eq(content[119].size, 130)
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// each letter should be bigger than the previous
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let prev = 0
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for (const { size } of content) {
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if (prev >= size) {
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throw Error('Letters should grow')
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}
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}
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})
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tests.push(({ eq, content }) => {
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// letter weight should increase in thirds
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const third = n => ({ weight }) => weight === n
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// first third should be 300
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eq(content[0].weight, 300)
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eq(content[39].weight, 300)
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eq(content.slice(0, 40).every(third(300)), true)
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// second third should be 400
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eq(content[40].weight, 400)
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eq(content[79].weight, 400)
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eq(content.slice(40, 80).every(third(400)), true)
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// last third should be 600
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eq(content[80].weight, 600)
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eq(content[119].weight, 600)
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eq(content.slice(80).every(third(600)), true)
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})
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