Session 23: All-day intelligence layer — schedule, game lines, streaks, hot lists, stat filtering, ParlayAPI dead (1567 tests)

tests/unit/statFilters.test.js

@@ -0,0 +1,51 @@
+// Unit: stat-filter config + /api/stats/filters/:sport (Session 23).
+
+const express = require('express');
+const request = require('supertest');
+const { STAT_FILTERS, getStatFilters, isValidStat } = require('../../src/config/statFilters');
+
+describe('statFilters config', () => {
+  test('every sport list starts with "all"', () => {
+    for (const list of Object.values(STAT_FILTERS)) {
+      expect(list[0]).toBe('all');
+    }
+  });
+
+  test('NBA categories include the headline stats', () => {
+    expect(getStatFilters('nba')).toEqual(
+      expect.arrayContaining(['points', 'rebounds', 'assists', 'threes', 'pra']),
+    );
+  });
+
+  test('MLB categories include home_runs and total_bases', () => {
+    expect(getStatFilters('mlb')).toEqual(
+      expect.arrayContaining(['home_runs', 'total_bases', 'on_base']),
+    );
+  });
+
+  test('unknown sport falls back to ["all"]', () => {
+    expect(getStatFilters('quidditch')).toEqual(['all']);
+  });
+
+  test('isValidStat — all is always valid, unknown stat is not', () => {
+    expect(isValidStat('nba', 'all')).toBe(true);
+    expect(isValidStat('nba', 'points')).toBe(true);
+    expect(isValidStat('nba', 'home_runs')).toBe(false);
+    expect(isValidStat('mlb', 'home_runs')).toBe(true);
+  });
+});
+
+describe('GET /api/stats/filters/:sport', () => {
+  function app() {
+    const a = express();
+    a.use('/api/stats', require('../../src/routes/stats'));
+    return a;
+  }
+
+  test('returns the category list for a sport', async () => {
+    const res = await request(app()).get('/api/stats/filters/nba');
+    expect(res.status).toBe(200);
+    expect(res.body.sport).toBe('nba');
+    expect(res.body.filters).toContain('points');
+  });
+});