25 lines
1.4 KiB
TypeScript
25 lines
1.4 KiB
TypeScript
import { expect } from 'chai'
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import { describe, it } from 'mocha'
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import { isProbablyPlainText } from '../src/utils/file-utils'
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describe('isProbablyPlainText', () => {
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it('should return true for buffers only containing printable ascii', () => {
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expect(isProbablyPlainText(Buffer.from('hello this is some ascii text'))).to.be.true
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expect(isProbablyPlainText(Buffer.from('hello this is some ascii text\nwith unix new lines'))).to.be.true
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expect(isProbablyPlainText(Buffer.from('hello this is some ascii text\r\nwith windows new lines'))).to.be.true
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expect(isProbablyPlainText(Buffer.from('hello this is some ascii text\n\twith unix new lines and tabs'))).to.be
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.true
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expect(isProbablyPlainText(Buffer.from('hello this is some ascii text\r\n\twith windows new lines and tabs')))
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.to.be.true
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})
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it('should return false for buffers containing some binary data', () => {
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expect(isProbablyPlainText(Buffer.from('hello this is cedilla: ç'))).to.be.false
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expect(isProbablyPlainText(Buffer.from('hello this is some ascii text with emojis 🌸'))).to.be.false
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// random strings of 16 bytes
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expect(isProbablyPlainText(Buffer.from('717f80f08eb9d88c3931712c0e2be32f', 'hex'))).to.be.false
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expect(isProbablyPlainText(Buffer.from('20e8e218e54254c813b261432b0330d7', 'hex'))).to.be.false
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})
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})
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