75 lines
2.9 KiB
TypeScript
75 lines
2.9 KiB
TypeScript
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import { afterEach, describe, expect, it, vi } from 'vitest';
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import { fetchAllPlaces, latestUpdatedAt, type BtcMapPlace } from './btcmap.js';
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const BASE = 'https://fake-btcmap.example';
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function place(id: number, updatedAt: string, deleted = false): BtcMapPlace {
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return {
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id,
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lat: id,
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lon: id,
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name: `place-${id}`,
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updated_at: updatedAt,
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...(deleted ? { deleted_at: updatedAt } : {}),
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};
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}
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afterEach(() => {
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vi.unstubAllGlobals();
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});
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describe('fetchAllPlaces', () => {
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it('requests include_deleted and the given since, with no pagination params', async () => {
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let capturedUrl: URL | undefined;
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vi.stubGlobal(
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'fetch',
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vi.fn(async (input: string | URL) => {
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capturedUrl = input instanceof URL ? input : new URL(String(input));
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return new Response(JSON.stringify([]), { status: 200 });
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}),
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);
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await fetchAllPlaces(BASE, '2026-01-01T00:00:00Z');
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expect(capturedUrl?.searchParams.get('include_deleted')).toBe('true');
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expect(capturedUrl?.searchParams.get('updated_since')).toBe('2026-01-01T00:00:00Z');
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expect(capturedUrl?.searchParams.has('limit')).toBe(false);
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});
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it('returns whatever the API responds with, deleted entries included', async () => {
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const places = [place(1, '2026-01-01T00:00:00Z'), place(2, '2026-01-02T00:00:00Z', true)];
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vi.stubGlobal('fetch', vi.fn(async () => new Response(JSON.stringify(places), { status: 200 })));
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const result = await fetchAllPlaces(BASE, '1970-01-01T00:00:00Z');
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expect(result).toEqual(places);
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});
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it('throws on a non-ok response', async () => {
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vi.stubGlobal('fetch', vi.fn(async () => new Response('nope', { status: 500, statusText: 'Internal Error' })));
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await expect(fetchAllPlaces(BASE, '1970-01-01T00:00:00Z')).rejects.toThrow(/500/);
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});
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});
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describe('latestUpdatedAt', () => {
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it('returns the fallback for an empty list', () => {
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expect(latestUpdatedAt([], '2026-01-01T00:00:00Z')).toBe('2026-01-01T00:00:00Z');
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});
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it('picks the chronologically latest timestamp, not the lexicographically largest', () => {
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// The whole reason this exists: naive string comparison gets this backwards —
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// "...27Z" (whole-second) sorts AFTER "...27.500Z" (mid-second) as a string,
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// even though .500Z happened later within that same second.
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const places = [place(1, '2026-01-01T00:00:27Z'), place(2, '2026-01-01T00:00:27.500Z')];
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expect(latestUpdatedAt(places, '1970-01-01T00:00:00Z')).toBe('2026-01-01T00:00:27.500Z');
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});
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it('ignores entries with no updated_at', () => {
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const places: BtcMapPlace[] = [{ id: 1, lat: 0, lon: 0 }, place(2, '2026-01-01T00:00:00Z')];
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expect(latestUpdatedAt(places, '1970-01-01T00:00:00Z')).toBe('2026-01-01T00:00:00Z');
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});
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it('keeps the fallback if nothing in the batch is newer', () => {
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const places = [place(1, '2020-01-01T00:00:00Z')];
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expect(latestUpdatedAt(places, '2026-01-01T00:00:00Z')).toBe('2026-01-01T00:00:00Z');
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});
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});
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