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81 lines
2.0 KiB
81 lines
2.0 KiB
/* globals describe it */
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const expect = require('chai').expect
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const FakeDevice = require('../src/fake-device')
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const measurements = {
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usage: {type: 'integer', min: 0, max: 100},
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voltage: {type: 'integer', min: 0, max: 15},
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temperature: {type: 'integer', min: -20, max: 60}
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}
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// create fake influx connection
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let connectionWriteData = false
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const connection = {
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send: (deviceId, data) => {
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return new Promise((resolve, reject) => {
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connectionWriteData = {deviceId, data}
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resolve()
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})
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}
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}
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describe('FakeDevice', function () {
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let fakeDevice = null
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it('should throw error if no params are passed', function () {
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expect(FakeDevice).to.throw(Error)
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})
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it('shold throw missing deviceId param', function () {
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expect(() => FakeDevice({})).to.throw('Missing deviceId param')
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})
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it('shold throw missing connection param', function () {
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expect(() => FakeDevice({
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deviceId: 1
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})).to.throw('Missing connection param')
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})
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it('shold throw missing measurements param', function () {
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expect(() => FakeDevice({
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deviceId: 1,
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connection
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})).to.throw('Missing measurements param')
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})
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it('should create instance', function () {
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fakeDevice = FakeDevice({
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deviceId: 1,
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connection,
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sendInterval: 1000,
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measurements
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})
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expect(fakeDevice).to.have.property('start')
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})
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it('should generate data', function (done) {
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fakeDevice.start()
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setTimeout(() => {
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let data = fakeDevice.getData()
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done(!data.length)
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}, 500)
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})
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it('should send data to influx', function (done) {
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setTimeout(() => {
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if (!connectionWriteData) return done('No data')
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if (!connectionWriteData.deviceId) return done('Invalid write data - missing deviceId')
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if (
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connectionWriteData.data[0].usage &&
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connectionWriteData.data[0].voltage &&
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connectionWriteData.data[0].temperature &&
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connectionWriteData.data[0].timestamp
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) {
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done()
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} else {
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done('Invalid write data format')
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}
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}, 1000)
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})
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})
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