custom-event-emitter.test.js
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/* jshint camelcase: false */
var chai = require('chai')
, expect = chai.expect
, Support = require(__dirname + '/../support')
, sinon = require('sinon')
, CustomEventEmitter = require("../../lib/emitters/custom-event-emitter")
chai.config.includeStack = true
describe(Support.getTestDialectTeaser("CustomEventEmitter"), function () {
describe("proxy", function () {
it("should correctly work with success listeners", function(done) {
var emitter = new CustomEventEmitter()
, proxy = new CustomEventEmitter()
, success = sinon.spy()
emitter.success(success)
proxy.success(function () {
process.nextTick(function () {
expect(success.called).to.be.true
done()
})
})
proxy.proxy(emitter)
proxy.emit('success')
})
it("should correctly work with error listeners", function(done) {
var emitter = new CustomEventEmitter()
, proxy = new CustomEventEmitter()
, error = sinon.spy()
emitter.error(error)
proxy.error(function() {
process.nextTick(function() {
expect(error.called).to.be.true
done()
})
})
proxy.proxy(emitter)
proxy.emit('error')
})
it("should correctly work with complete/done listeners", function(done) {
var emitter = new CustomEventEmitter()
, proxy = new CustomEventEmitter()
, complete = sinon.spy()
emitter.complete(complete)
proxy.complete(function() {
process.nextTick(function() {
expect(complete.called).to.be.true
done()
})
})
proxy.proxy(emitter)
proxy.emit('success')
})
})
describe("when emitting an error event with an array of errors", function() {
describe("if no error handler is given", function() {
it("should throw the first error", function(done) {
var emitter = new CustomEventEmitter()
expect(function () {
emitter.emit("error", [
[
new Error("First error"),
new Error("Second error")
], [
new Error("Third error")
]
])
}).to.throw("First error")
done()
})
})
describe("if an error handler is given", function() {
it("should return the whole array", function(done) {
var emitter = new CustomEventEmitter()
var errors = [
[
new Error("First error"),
new Error("Second error")
], [
new Error("Third error")
]
]
emitter.error(function (err) {
expect(err).to.equal(errors)
done()
})
emitter.emit("error", errors)
})
})
})
describe("when emitting an error event with a hash containing arrays of error strings", function() {
describe("if no error handler is given", function() {
it("should throw an error with the first error string", function(done) {
var emitter = new CustomEventEmitter()
var errors = {
myValidation: [ "Invalid Length" ],
someOtherValidation: [ "Naah don't like that value!", "It's weird, u know?" ]
}
expect(function () {
emitter.emit("error", errors)
}).to.throw(errors.myValidation[0])
done()
})
})
})
})