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