cylon/test/specs/driver.spec.js

98 lines
2.2 KiB
JavaScript

'use strict';
var EventEmitter = require('events').EventEmitter;
var Driver = source("driver"),
Logger = source('logger'),
Utils = source('utils');
describe("Driver", function() {
var device = {
connection: {},
emit: spy()
};
var driver = new Driver({
name: 'driver',
device: device
});
describe("#constructor", function() {
it("sets @self as a reference to the driver", function() {
expect(driver.self).to.be.eql(driver);
});
it("sets @name to the provided name", function() {
expect(driver.name).to.be.eql('driver');
});
it("sets @device to the provided device", function() {
expect(driver.device).to.be.eql(device);
});
it("sets @connection to the provided device's connection", function() {
expect(driver.connection).to.be.eql(device.connection);
});
it("sets @commandList to an empty array by default", function() {
expect(driver.commandList).to.be.eql([]);
});
});
describe("#commands", function() {
var commands = ['list', 'of', 'commands']
before(function() {
driver.commandList = commands;
});
after(function() {
driver.commandList = [];
});
it("returns the driver's @commandList", function() {
expect(driver.commands()).to.be.eql(commands);
});
});
describe("#start", function() {
var callback = spy();
before(function() {
stub(Logger, 'info');
driver.start(callback);
});
after(function() {
Logger.info.restore();
});
it("logs that it's starting the driver", function() {
var string = "Driver driver started";
expect(Logger.info).to.be.calledWith(string);
});
it("triggers the provided callback", function() {
expect(callback).to.be.called;
});
it("tells the device to emit the 'start' event", function() {
expect(device.emit).to.be.calledWith('start');
});
});
describe("#halt", function() {
before(function() {
stub(Logger, 'info');
driver.halt();
});
after(function() {
Logger.info.restore();
});
it("logs that it's halting the driver", function() {
expect(Logger.info).to.be.calledWith("Driver driver halted")
});
});
});