forked from Qortal/q-blog
greenflame089
65 lines
2.2 KiB
TypeScript
65 lines
2.2 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import reducer, {
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addPosts,
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removePost,
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addToHashMap,
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upsertPosts,
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upsertPostsBeginning,
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populateFavorites,
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setCountNewPosts,
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BlogPost,
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} from '@/state/features/blogSlice';
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const post = (id: string, user = 'alice'): BlogPost => ({
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id,
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user,
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title: 't',
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description: 'd',
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createdAt: 0,
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});
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describe('blogSlice reducers', () => {
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it('addPosts replaces posts', () => {
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const s = reducer(undefined, addPosts([post('1')]));
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expect(s.posts.map((p) => p.id)).toEqual(['1']);
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});
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it('removePost removes by id from posts and filteredPosts', () => {
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const init = reducer(undefined, addPosts([post('1'), post('2')]));
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const withFiltered = { ...init, filteredPosts: [post('2'), post('3')] };
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const s = reducer(withFiltered, removePost('2'));
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expect(s.posts.map((p) => p.id)).toEqual(['1']);
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expect(s.filteredPosts.map((p) => p.id)).toEqual(['3']);
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});
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it('addToHashMap stores key as id-user', () => {
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const s = reducer(undefined, addToHashMap(post('1', 'bob')));
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expect(Object.keys(s.hashMapPosts)).toEqual(['1-bob']);
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});
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it('upsertPosts updates or inserts', () => {
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const a = reducer(undefined, addPosts([post('1'), post('2')]));
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const b = reducer(a, upsertPosts([post('2', 'x'), post('3')]));
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expect(b.posts.find((p) => p.id === '2')?.user).toBe('x');
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expect(b.posts.some((p) => p.id === '3')).toBe(true);
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});
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it('upsertPostsBeginning unshifts new and updates existing', () => {
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const a = reducer(undefined, addPosts([post('2')]));
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const b = reducer(a, upsertPostsBeginning([post('1'), post('2', 'y')]));
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expect(b.posts.map((p) => p.id)).toEqual(['1', '2']);
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expect(b.posts.find((p) => p.id === '2')?.user).toBe('y');
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});
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it('populateFavorites fills favorites without duplicates', () => {
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const a = reducer(undefined, populateFavorites([post('1')]));
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const b = reducer(a, populateFavorites([post('1'), post('2')]));
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expect(b.favorites.map((p) => p.id)).toEqual(['1', '2']);
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});
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it('setCountNewPosts sets counter', () => {
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const s = reducer(undefined, setCountNewPosts(5));
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expect(s.countNewPosts).toBe(5);
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});
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});
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