kitten.sh
1import { createClient } from '@urql/core';
2import { get } from 'svelte/store';
3import { vi, expect, it, describe } from 'vitest';
4
5import { subscriptionStore } from './subscriptionStore';
6
7describe('subscriptionStore', () => {
8 const client = createClient({
9 url: 'https://example.com',
10 exchanges: [],
11 });
12
13 const variables = {};
14 const context = {};
15 const query = `subscription ($input: ExampleInput) { exampleSubscribe(input: $input) { data } }`;
16 const store = subscriptionStore({
17 client,
18 query,
19 variables,
20 context,
21 });
22
23 it('creates a svelte store', () => {
24 const subscriber = vi.fn();
25 store.subscribe(subscriber);
26 expect(subscriber).toHaveBeenCalledTimes(1);
27 });
28
29 it('fills the store with correct values', () => {
30 expect(get(store).operation.kind).toBe('subscription');
31 expect(get(store).operation.context.url).toBe('https://example.com');
32 expect(get(store).operation.variables).toBe(variables);
33
34 expect(get(store).operation.query.loc?.source.body).toMatchInlineSnapshot(`
35 "subscription ($input: ExampleInput) {
36 exampleSubscribe(input: $input) {
37 data
38 }
39 }"
40 `);
41 });
42
43 it('adds pause handles', () => {
44 expect(get(store.isPaused$)).toBe(false);
45
46 store.pause();
47 expect(get(store.isPaused$)).toBe(true);
48
49 store.resume();
50 expect(get(store.isPaused$)).toBe(false);
51 });
52});