cse47122
4 years ago
1 changed files with 0 additions and 81 deletions
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/* 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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