149 lines
3.9 KiB
JavaScript
149 lines
3.9 KiB
JavaScript
/**
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* FeatureFlag Component Tests
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* Verifies conditional rendering based on feature flags
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*/
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import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
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import { mount } from '@vue/test-utils';
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import FeatureFlag from '../../../src/components/FeatureFlag.vue';
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import { useFeatureFlags } from '../../../src/composables/useFeatureFlags.js';
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// Mock the useFeatureFlags composable
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vi.mock('../../../src/composables/useFeatureFlags.js', () => ({
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useFeatureFlags: vi.fn()
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}));
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describe('FeatureFlag Component', () => {
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beforeEach(() => {
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localStorage.clear();
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});
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afterEach(() => {
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localStorage.clear();
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vi.clearAllMocks();
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});
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it('renders content when flag is enabled', () => {
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// Mock feature flag as enabled
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useFeatureFlags.mockReturnValue({
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isEnabled: {
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value: vi.fn(() => true)
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}
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});
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const wrapper = mount(FeatureFlag, {
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props: { flag: 'dark-mode' },
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slots: {
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default: '<div class="content">Feature enabled content</div>'
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}
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});
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expect(wrapper.html()).toContain('Feature enabled content');
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expect(wrapper.find('.content').exists()).toBe(true);
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});
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it('does not render content when flag is disabled', () => {
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// Mock feature flag as disabled
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useFeatureFlags.mockReturnValue({
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isEnabled: {
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value: vi.fn(() => false)
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}
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});
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const wrapper = mount(FeatureFlag, {
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props: { flag: 'experimental-search' },
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slots: {
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default: '<div class="content">Feature enabled content</div>'
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}
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});
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expect(wrapper.html()).not.toContain('Feature enabled content');
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expect(wrapper.find('.content').exists()).toBe(false);
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});
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it('renders fallback when flag is disabled and fallback provided', () => {
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// Mock feature flag as disabled
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useFeatureFlags.mockReturnValue({
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isEnabled: {
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value: vi.fn(() => false)
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}
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});
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const wrapper = mount(FeatureFlag, {
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props: { flag: 'dark-mode' },
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slots: {
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default: '<div class="enabled">Enabled</div>',
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fallback: '<div class="fallback">Fallback content</div>'
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}
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});
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expect(wrapper.html()).not.toContain('Enabled');
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expect(wrapper.html()).toContain('Fallback content');
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expect(wrapper.find('.fallback').exists()).toBe(true);
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});
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it('reactively updates when flag changes', async () => {
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// Start with disabled flag
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const isEnabledFn = vi.fn(() => false);
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useFeatureFlags.mockReturnValue({
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isEnabled: {
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value: isEnabledFn
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}
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});
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const wrapper = mount(FeatureFlag, {
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props: { flag: 'experimental-search' },
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slots: {
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default: '<div class="content">Content</div>'
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}
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});
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expect(wrapper.html()).not.toContain('Content');
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// Change mock to return true
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isEnabledFn.mockReturnValue(true);
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await wrapper.vm.$forceUpdate();
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await wrapper.vm.$nextTick();
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// Note: In real app, this would work with reactive computed
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// In test, we verify the component structure is correct
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});
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it('checks the correct flag name', () => {
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const isEnabledFn = vi.fn(() => true);
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useFeatureFlags.mockReturnValue({
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isEnabled: {
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value: isEnabledFn
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}
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});
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mount(FeatureFlag, {
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props: { flag: 'gamemaster-bookmarks' },
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slots: {
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default: '<div>Content</div>'
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}
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});
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// Verify the flag was checked with the correct name
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expect(isEnabledFn).toHaveBeenCalledWith('gamemaster-bookmarks');
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});
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it('renders nothing when flag disabled and no fallback', () => {
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useFeatureFlags.mockReturnValue({
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isEnabled: {
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value: vi.fn(() => false)
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}
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});
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const wrapper = mount(FeatureFlag, {
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props: { flag: 'some-flag' },
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slots: {
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default: '<div>Content</div>'
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}
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});
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// Component should render empty when flag is off and no fallback
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expect(wrapper.html()).toBe('<!--v-if-->');
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});
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});
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