73 lines
1.9 KiB
JavaScript
73 lines
1.9 KiB
JavaScript
import { shallowMount } from '@vue/test-utils';
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import { extendedWrapper } from 'helpers/vue_test_utils_helper';
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import ExperimentComponent from '~/experimentation/components/gitlab_experiment.vue';
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const defaultProps = { name: 'experiment_name' };
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const defaultSlots = {
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candidate: `<p>Candidate</p>`,
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control: `<p>Control</p>`,
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};
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describe('ExperimentComponent', () => {
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const oldGon = window.gon;
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let wrapper;
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const createComponent = (propsData = defaultProps, slots = defaultSlots) => {
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wrapper = extendedWrapper(shallowMount(ExperimentComponent, { propsData, slots }));
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};
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const mockVariant = (expectedVariant) => {
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window.gon = { experiment: { experiment_name: { variant: expectedVariant } } };
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};
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afterEach(() => {
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wrapper.destroy();
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wrapper = null;
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window.gon = oldGon;
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});
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describe('when variant and experiment is set', () => {
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it('renders control when it is the active variant', () => {
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mockVariant('control');
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createComponent();
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expect(wrapper.text()).toBe('Control');
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});
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it('renders candidate when it is the active variant', () => {
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mockVariant('candidate');
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createComponent();
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expect(wrapper.text()).toBe('Candidate');
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});
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});
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describe('when variant or experiment is not set', () => {
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it('renders the control slot when no variant is defined', () => {
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mockVariant(undefined);
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createComponent();
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expect(wrapper.text()).toBe('Control');
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});
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it('renders nothing when behavior is not set for variant', () => {
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mockVariant('non-existing-variant');
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createComponent(defaultProps, { control: `<p>First</p>`, other: `<p>Other</p>` });
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expect(wrapper.text()).toBe('');
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});
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it('renders nothing when there are no slots', () => {
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mockVariant('control');
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createComponent(defaultProps, {});
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expect(wrapper.text()).toBe('');
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});
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});
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});
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