62 lines
1.9 KiB
TypeScript
62 lines
1.9 KiB
TypeScript
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import { describe, it } from 'mocha'
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import { expect } from 'chai'
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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(
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isProbablyPlainText(Buffer.from('hello this is some ascii text'))
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).to.be.true
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expect(
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isProbablyPlainText(
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Buffer.from(
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'hello this is some ascii text\nwith unix new lines'
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)
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)
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).to.be.true
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expect(
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isProbablyPlainText(
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Buffer.from(
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'hello this is some ascii text\r\nwith windows new lines'
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)
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)
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).to.be.true
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expect(
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isProbablyPlainText(
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Buffer.from(
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'hello this is some ascii text\n\twith unix new lines and tabs'
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)
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)
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).to.be.true
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expect(
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isProbablyPlainText(
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Buffer.from(
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'hello this is some ascii text\r\n\twith windows new lines and tabs'
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)
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)
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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
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.be.false
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expect(
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isProbablyPlainText(
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Buffer.from('hello this is some ascii text with emojis 🌸')
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)
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).to.be.false
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// random strings of 16 bytes
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expect(
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isProbablyPlainText(
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Buffer.from('717f80f08eb9d88c3931712c0e2be32f', 'hex')
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)
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).to.be.false
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expect(
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isProbablyPlainText(
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Buffer.from('20e8e218e54254c813b261432b0330d7', 'hex')
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)
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).to.be.false
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})
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})
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