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21 lines
668 B
CoffeeScript
21 lines
668 B
CoffeeScript
Promise = require 'bluebird'
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constants = require '../src/lib/constants'
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fs = Promise.promisifyAll(require('fs'))
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blink = require('../src/lib/blink')
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{ expect } = require './lib/chai-config'
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describe 'blink', ->
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it 'is a blink function', ->
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expect(blink).to.be.a('function')
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it 'has a pattern property with start and stop functions', ->
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expect(blink.pattern.start).to.be.a('function')
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expect(blink.pattern.stop).to.be.a('function')
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it 'writes to a file that represents the LED, and writes a 0 at the end to turn the LED off', ->
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blink(1)
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.then ->
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fs.readFileAsync(constants.ledFile)
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.then (contents) ->
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expect(contents.toString()).to.equal('0')
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