bv-event.class.spec.js
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import { BvEvent } from './bv-event.class'
describe('utils/BvEvent class', () => {
it('works', async () => {
const event = new BvEvent('foobar')
expect(event).toBeInstanceOf(BvEvent)
expect(event.type).toBe('foobar')
})
it('throws exception if no type given', async () => {
let event = null
let failed = false
try {
event = new BvEvent()
} catch (e) {
failed = true
}
expect(event).not.toBeInstanceOf(BvEvent)
expect(event).toBe(null)
expect(failed).toBe(true)
})
it('supports cancelable events', async () => {
const event = new BvEvent('foobar', {
cancelable: true
})
expect(event).toBeInstanceOf(BvEvent)
expect(event.type).toBe('foobar')
expect(event.cancelable).toBe(true)
expect(event.defaultPrevented).toBe(false)
event.preventDefault()
expect(event.defaultPrevented).toBe(true)
})
it('supports non cancelable events', async () => {
const event = new BvEvent('foobar', {
cancelable: false
})
expect(event).toBeInstanceOf(BvEvent)
expect(event.type).toBe('foobar')
expect(event.cancelable).toBe(false)
expect(event.defaultPrevented).toBe(false)
event.preventDefault()
expect(event.defaultPrevented).toBe(false)
})
it('supports built in properties', async () => {
const event = new BvEvent('foobar', {
target: 'baz'
})
expect(event).toBeInstanceOf(BvEvent)
expect(event.type).toBe('foobar')
expect(event.cancelable).toBe(true)
expect(event.target).toBe('baz')
})
it('supports custom properties', async () => {
const event = new BvEvent('foobar', {
custom: 123
})
expect(event).toBeInstanceOf(BvEvent)
expect(event.type).toBe('foobar')
expect(event.cancelable).toBe(true)
expect(event.custom).toBe(123)
})
})