table-thead-events.spec.js
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import { mount } from '@vue/test-utils'
import { isVue3 } from '../../vue'
import { BTable } from './table'
const testItems = [{ a: 1, b: 2, c: 3 }]
const testFields = [{ key: 'a', label: 'A' }, { key: 'b', label: 'B' }, { key: 'c', label: 'C' }]
describe('table > thead events', () => {
it('should not emit head-clicked event when a head cell is clicked and no head-clicked listener', async () => {
if (isVue3) {
// We can't track if we have an event listener in vue3 so we skip this test for vue 3
return
}
const wrapper = mount(BTable, {
propsData: {
fields: testFields,
items: testItems
},
listeners: {}
})
expect(wrapper).toBeDefined()
const $rows = wrapper.findAll('thead > tr')
expect($rows.length).toBe(1)
const $ths = wrapper.findAll('thead > tr > th')
expect($ths.length).toBe(testFields.length)
expect(wrapper.emitted('head-clicked')).toBeUndefined()
await $ths.at(0).trigger('click')
expect(wrapper.emitted('head-clicked')).toBeUndefined()
await $ths.at(1).trigger('click')
expect(wrapper.emitted('head-clicked')).toBeUndefined()
await $ths.at(2).trigger('click')
expect(wrapper.emitted('head-clicked')).toBeUndefined()
})
it('should emit head-clicked event when a head cell is clicked', async () => {
const wrapper = mount(BTable, {
propsData: {
fields: testFields,
items: testItems
},
listeners: {
// Head-clicked will only be emitted if there is a registered listener
'head-clicked': () => {}
}
})
expect(wrapper).toBeDefined()
const $rows = wrapper.findAll('thead > tr')
expect($rows.length).toBe(1)
const $ths = wrapper.findAll('thead > tr > th')
expect($ths.length).toBe(testFields.length)
expect(wrapper.emitted('head-clicked')).toBeUndefined()
await $ths.at(0).trigger('click')
expect(wrapper.emitted('head-clicked')).toBeDefined()
expect(wrapper.emitted('head-clicked').length).toBe(1)
expect(wrapper.emitted('head-clicked')[0][0]).toEqual(testFields[0].key) // Field key
expect(wrapper.emitted('head-clicked')[0][1]).toEqual(testFields[0]) // Field definition
expect(wrapper.emitted('head-clicked')[0][2]).toBeInstanceOf(MouseEvent) // Event
expect(wrapper.emitted('head-clicked')[0][3]).toBe(false) // Is footer
await $ths.at(2).trigger('click')
expect(wrapper.emitted('head-clicked').length).toBe(2)
expect(wrapper.emitted('head-clicked')[1][0]).toEqual(testFields[2].key) // Field key
expect(wrapper.emitted('head-clicked')[1][1]).toEqual(testFields[2]) // Field definition
expect(wrapper.emitted('head-clicked')[1][2]).toBeInstanceOf(MouseEvent) // Event
expect(wrapper.emitted('head-clicked')[1][3]).toBe(false) // Is footer
wrapper.destroy()
})
it('should not emit head-clicked event when prop busy is set', async () => {
const wrapper = mount(BTable, {
propsData: {
fields: testFields,
items: testItems,
busy: true
},
listeners: {
// Head-clicked will only be emitted if there is a registered listener
'head-clicked': () => {}
}
})
expect(wrapper).toBeDefined()
const $ths = wrapper.findAll('thead > tr > th')
expect($ths.length).toBe(testFields.length)
expect(wrapper.emitted('head-clicked')).toBeUndefined()
await $ths.at(0).trigger('click')
expect(wrapper.emitted('head-clicked')).toBeUndefined()
wrapper.destroy()
})
it('should not emit head-clicked event when vm.localBusy is true', async () => {
const wrapper = mount(BTable, {
propsData: {
fields: testFields,
items: testItems
},
listeners: {
// Head-clicked will only be emitted if there is a registered listener
'head-clicked': () => {}
}
})
await wrapper.setData({
localBusy: true
})
expect(wrapper).toBeDefined()
const $ths = wrapper.findAll('thead > tr > th')
expect($ths.length).toBe(testFields.length)
expect(wrapper.emitted('head-clicked')).toBeUndefined()
await $ths.at(0).trigger('click')
expect(wrapper.emitted('head-clicked')).toBeUndefined()
wrapper.destroy()
})
it('should not emit head-clicked event when clicking on a button or other interactive element', async () => {
const wrapper = mount(BTable, {
propsData: {
fields: testFields,
items: testItems
},
listeners: {
// Head-clicked will only be emitted if there is a registered listener
'head-clicked': () => {}
},
slots: {
// In Vue 2.6x, slots get translated into scopedSlots
'head(a)': '<button id="a">button</button>',
'head(b)': '<input id="b">',
'head(c)': '<a href="#" id="c">link</a>'
}
})
expect(wrapper).toBeDefined()
const $ths = wrapper.findAll('thead > tr > th')
expect($ths.length).toBe(testFields.length)
expect(wrapper.emitted('head-clicked')).toBeUndefined()
const $btn = wrapper.find('button[id="a"]')
expect($btn.exists()).toBe(true)
await $btn.trigger('click')
expect(wrapper.emitted('head-clicked')).toBeUndefined()
const $input = wrapper.find('input[id="b"]')
expect($input.exists()).toBe(true)
await $input.trigger('click')
expect(wrapper.emitted('head-clicked')).toBeUndefined()
const $link = wrapper.find('a[id="c"]')
expect($link.exists()).toBe(true)
await $link.trigger('click')
expect(wrapper.emitted('head-clicked')).toBeUndefined()
wrapper.destroy()
})
})