| 1 | import { mount } from '@vue/test-utils';
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| 2 | import { isSlotEmpty } from './is_slot_empty';
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| 3 |
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| 4 | describe('is slot empty', () => {
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| 5 | const TestComponent = {
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| 6 | template: `
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| 7 | <div>
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| 8 | <slot></slot>
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| 9 | </div>
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| 10 | `,
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| 11 | };
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| 12 |
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| 13 | it('should return true for empty slot', () => {
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| 14 | const PassesNothing = {
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| 15 | components: { TestComponent },
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| 16 | template: '<test-component></test-component>',
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| 17 | };
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| 18 |
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| 19 | const wrapper = mount(PassesNothing);
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| 20 |
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| 21 | expect(isSlotEmpty(wrapper.findComponent(TestComponent).vm, 'default')).toBe(true);
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| 22 | });
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| 23 |
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| 24 | it('should return true for slot with comment', () => {
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| 25 | const PassesComment = {
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| 26 | components: { TestComponent },
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| 27 | template: '<test-component><!-- comment --></test-component>',
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| 28 | };
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| 29 |
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| 30 | const wrapper = mount(PassesComment);
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| 31 |
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| 32 | expect(isSlotEmpty(wrapper.findComponent(TestComponent).vm, 'default')).toBe(true);
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| 33 | });
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| 34 |
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| 35 | it('should return true for slot with multiple comments', () => {
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| 36 | const PassesComment = {
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| 37 | components: { TestComponent },
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| 38 | template: '<test-component><!-- comment --><!-- comment2 --></test-component>',
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| 39 | };
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| 40 |
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| 41 | const wrapper = mount(PassesComment);
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| 42 |
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| 43 | expect(isSlotEmpty(wrapper.findComponent(TestComponent).vm, 'default')).toBe(true);
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| 44 | });
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| 45 |
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| 46 | it('should return false for non-empty slot', () => {
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| 47 | const PassesComment = {
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| 48 | components: { TestComponent },
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| 49 | template: '<test-component>non-empty</test-component>',
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| 50 | };
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| 51 |
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| 52 | const wrapper = mount(PassesComment);
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| 53 |
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| 54 | expect(isSlotEmpty(wrapper.findComponent(TestComponent).vm, 'default')).toBe(false);
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| 55 | });
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| 56 |
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| 57 | it.each([true, false])(
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| 58 | 'should return %s for conditional slot contents based on slot-scope',
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| 59 | (shouldRender) => {
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| 60 | const PassesComment = {
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| 61 | components: { TestComponent },
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| 62 | template:
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| 63 | '<test-component><template #default="{ shouldRender }"><span v-if="shouldRender">empty</span></template></test-component>',
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| 64 | };
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| 65 |
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| 66 | const wrapper = mount(PassesComment);
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| 67 |
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| 68 | expect(
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| 69 | isSlotEmpty(wrapper.findComponent(TestComponent).vm, 'default', { shouldRender })
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| 70 | ).toBe(!shouldRender);
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| 71 | }
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| 72 | );
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| 73 | });
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