124 lines
3.6 KiB
JavaScript
124 lines
3.6 KiB
JavaScript
import { shallowMount } from '@vue/test-utils';
|
|
import { nextTick } from 'vue';
|
|
import DropdownKeyboardNavigation from '~/vue_shared/components/dropdown_keyboard_navigation.vue';
|
|
import { UP_KEY_CODE, DOWN_KEY_CODE, TAB_KEY_CODE } from '~/lib/utils/keycodes';
|
|
|
|
const MOCK_INDEX = 0;
|
|
const MOCK_MAX = 10;
|
|
const MOCK_MIN = 0;
|
|
const MOCK_DEFAULT_INDEX = 0;
|
|
|
|
describe('DropdownKeyboardNavigation', () => {
|
|
let wrapper;
|
|
|
|
const defaultProps = {
|
|
index: MOCK_INDEX,
|
|
max: MOCK_MAX,
|
|
min: MOCK_MIN,
|
|
defaultIndex: MOCK_DEFAULT_INDEX,
|
|
};
|
|
|
|
const createComponent = (props) => {
|
|
wrapper = shallowMount(DropdownKeyboardNavigation, {
|
|
propsData: {
|
|
...defaultProps,
|
|
...props,
|
|
},
|
|
});
|
|
};
|
|
|
|
const helpers = {
|
|
arrowDown: () => {
|
|
document.dispatchEvent(new KeyboardEvent('keydown', { keyCode: DOWN_KEY_CODE }));
|
|
},
|
|
arrowUp: () => {
|
|
document.dispatchEvent(new KeyboardEvent('keydown', { keyCode: UP_KEY_CODE }));
|
|
},
|
|
tab: () => {
|
|
document.dispatchEvent(new KeyboardEvent('keydown', { keyCode: TAB_KEY_CODE }));
|
|
},
|
|
};
|
|
|
|
afterEach(() => {
|
|
wrapper.destroy();
|
|
});
|
|
|
|
describe('onInit', () => {
|
|
beforeEach(() => {
|
|
createComponent();
|
|
});
|
|
|
|
it('should $emit @change with the default index', async () => {
|
|
expect(wrapper.emitted('change')[0]).toStrictEqual([MOCK_DEFAULT_INDEX]);
|
|
});
|
|
|
|
it('should $emit @change with the default index when max changes', async () => {
|
|
wrapper.setProps({ max: 20 });
|
|
await nextTick();
|
|
// The first @change`call happens on created() so we test for the second [1]
|
|
expect(wrapper.emitted('change')[1]).toStrictEqual([MOCK_DEFAULT_INDEX]);
|
|
});
|
|
});
|
|
|
|
describe('keydown events', () => {
|
|
beforeEach(() => {
|
|
createComponent();
|
|
});
|
|
|
|
it('onKeydown-Tab $emits @tab event', () => {
|
|
helpers.tab();
|
|
|
|
expect(wrapper.emitted('tab')).toHaveLength(1);
|
|
});
|
|
});
|
|
|
|
describe('increment', () => {
|
|
describe('when max is 0', () => {
|
|
beforeEach(() => {
|
|
createComponent({ max: 0 });
|
|
});
|
|
|
|
it('does not $emit any @change events', () => {
|
|
helpers.arrowDown();
|
|
|
|
// The first @change`call happens on created() so we test that we only have 1 call
|
|
expect(wrapper.emitted('change')).toHaveLength(1);
|
|
});
|
|
});
|
|
|
|
describe.each`
|
|
keyboardAction | direction | index | max | min
|
|
${helpers.arrowDown} | ${1} | ${10} | ${10} | ${0}
|
|
${helpers.arrowUp} | ${-1} | ${0} | ${10} | ${0}
|
|
`('moving out of bounds', ({ keyboardAction, direction, index, max, min }) => {
|
|
beforeEach(() => {
|
|
createComponent({ index, max, min });
|
|
keyboardAction();
|
|
});
|
|
|
|
it(`in ${direction} direction does not $emit any @change events`, () => {
|
|
// The first @change`call happens on created() so we test that we only have 1 call
|
|
expect(wrapper.emitted('change')).toHaveLength(1);
|
|
});
|
|
});
|
|
|
|
describe.each`
|
|
keyboardAction | direction | index | max | min
|
|
${helpers.arrowDown} | ${1} | ${0} | ${10} | ${0}
|
|
${helpers.arrowUp} | ${-1} | ${10} | ${10} | ${0}
|
|
`('moving in bounds', ({ keyboardAction, direction, index, max, min }) => {
|
|
beforeEach(() => {
|
|
createComponent({ index, max, min });
|
|
keyboardAction();
|
|
});
|
|
|
|
it(`in ${direction} direction $emits @change event with the correct index ${
|
|
index + direction
|
|
}`, () => {
|
|
// The first @change`call happens on created() so we test for the second [1]
|
|
expect(wrapper.emitted('change')[1]).toStrictEqual([index + direction]);
|
|
});
|
|
});
|
|
});
|
|
});
|