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Svelte-5-Runes-Store mit uncheckedCount, recipeIds und loaded. refresh() holt Snapshot via GET /api/shopping-list, addRecipe/ removeRecipe posten bzw. loeschen und refreshen anschliessend. Bei Netzwerkfehler bleibt der letzte bekannte State erhalten.
74 lines
2.4 KiB
TypeScript
74 lines
2.4 KiB
TypeScript
// @vitest-environment jsdom
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import { describe, it, expect, vi } from 'vitest';
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import { ShoppingCartStore } from '../../src/lib/client/shopping-cart.svelte';
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type FetchMock = ReturnType<typeof vi.fn>;
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function snapshotBody(opts: {
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recipeIds?: number[];
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uncheckedCount?: number;
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}) {
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return {
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recipes: (opts.recipeIds ?? []).map((id) => ({
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recipe_id: id, title: `R${id}`, image_path: null, servings: 4, servings_default: 4
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})),
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rows: [],
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uncheckedCount: opts.uncheckedCount ?? 0
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};
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}
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function makeFetch(responses: unknown[]): FetchMock {
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const queue = [...responses];
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return vi.fn(async () => ({
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ok: true,
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status: 200,
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json: async () => queue.shift()
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} as Response));
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}
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describe('ShoppingCartStore', () => {
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it('refresh populates recipeIds and uncheckedCount', async () => {
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const fetchImpl = makeFetch([snapshotBody({ recipeIds: [1, 2], uncheckedCount: 3 })]);
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const store = new ShoppingCartStore(fetchImpl);
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await store.refresh();
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expect(store.uncheckedCount).toBe(3);
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expect(store.isInCart(1)).toBe(true);
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expect(store.isInCart(2)).toBe(true);
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expect(store.isInCart(3)).toBe(false);
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expect(store.loaded).toBe(true);
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});
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it('addRecipe posts then refreshes', async () => {
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const fetchImpl = makeFetch([
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{},
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snapshotBody({ recipeIds: [42], uncheckedCount: 5 })
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]);
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const store = new ShoppingCartStore(fetchImpl);
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await store.addRecipe(42);
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expect(fetchImpl.mock.calls[0][0]).toBe('/api/shopping-list/recipe');
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expect(fetchImpl.mock.calls[0][1]).toMatchObject({ method: 'POST' });
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expect(store.isInCart(42)).toBe(true);
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expect(store.uncheckedCount).toBe(5);
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});
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it('removeRecipe deletes then refreshes', async () => {
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const fetchImpl = makeFetch([
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{},
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snapshotBody({ recipeIds: [], uncheckedCount: 0 })
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]);
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const store = new ShoppingCartStore(fetchImpl);
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await store.removeRecipe(42);
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expect(fetchImpl.mock.calls[0][0]).toBe('/api/shopping-list/recipe/42');
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expect(fetchImpl.mock.calls[0][1]).toMatchObject({ method: 'DELETE' });
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expect(store.uncheckedCount).toBe(0);
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});
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it('refresh keeps last known state on network error', async () => {
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const fetchImpl = vi.fn().mockRejectedValue(new Error('offline'));
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const store = new ShoppingCartStore(fetchImpl);
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store.uncheckedCount = 7;
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await store.refresh();
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expect(store.uncheckedCount).toBe(7);
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});
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});
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