33 lines
1009 B
JavaScript
33 lines
1009 B
JavaScript
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var expect = require('expect.js');
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var m = require('../index');
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var LightBulb = require('./lightbulb');
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describe('LightBulb', function() {
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/** Model the internal data of LightBulb as a buffer */
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var bufferFullBrightness = new Buffer(
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[ 'N', // Four bytes allocated for name
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'a',
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'm',
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'e',
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95 // One byte allocated for brightness. Stuff in '95' value!
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]);
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it('getBrightness() function should return 95', function() {
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// Create a fake I2c bus based on the 'full brightness' data model
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var testI2cBus = new m.I2c(0);
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testI2cBus._setRegisterMapInternal(bufferFullBrightness);
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// Create a new LightBulb that opens the testI2cBus, instead of a real
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// mraa I2c bus.
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var lightBulbI2c = new LightBulb(testI2cBus);
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// presumably getBrightness will gather data from I2C and get '95'
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var brightness = lightBulbI2c.getBrightness();
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expect(brightness).to.be(95);
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})
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});
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