53 lines
1.2 KiB
JavaScript
53 lines
1.2 KiB
JavaScript
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var mock = require('mock-fs');
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var fs = require('fs');
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var gpio = require('../gpio');
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describe('GPIO API', function () {
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it('opens a pin with out', function (done) {
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mock({
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'/sys/class/gpio/gpio23/direction': ''
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});
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gpio.open(16, 'out', function () {
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const direction = fs.readFileSync('/sys/class/gpio/gpio23/direction').toString();
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expect(direction).toEqual('out');
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done();
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});
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});
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it('writes to a pin with a high value', function (done) {
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mock({
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'/sys/class/gpio/gpio23/value': '0'
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});
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gpio.write(16, 5, function () {
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const value = fs.readFileSync('/sys/class/gpio/gpio23/value').toString();
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expect(value).toEqual('1');
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done();
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});
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});
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it('writes to a pin with a low value', function (done) {
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mock({
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'/sys/class/gpio/gpio23/value': '1'
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});
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gpio.write(16, 0, function () {
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const value = fs.readFileSync('/sys/class/gpio/gpio23/value').toString();
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expect(value).toEqual('0');
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done();
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});
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});
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afterEach(function () {
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mock.restore();
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});
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});
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