Session 13: The Slate, Africa geo-restriction, OAuth providers, PropRow + GameCard (1311 tests)

tests/unit/africaCountries.test.js

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+// Session 13 — Africa geo-restriction set. The pricing component
+// relies on isAfricanCountry() to gate the $4.99 tier. Tests pin
+// the membership list so adding/removing a country is a visible,
+// reviewed change rather than a silent edit.
+
+const fs = require('fs');
+const path = require('path');
+
+const FILE = path.join(__dirname, '..', '..', 'web', 'src', 'lib', 'locales.ts');
+const source = fs.readFileSync(FILE, 'utf8');
+
+// Pull the AFRICAN_COUNTRIES set out of the TS source by regex. Tests
+// the values, not the implementation — if the format changes, the
+// failure is on the parse and tells us to update the test loader.
+function parseAfricanCountries() {
+  const start = source.indexOf('AFRICAN_COUNTRIES');
+  if (start === -1) throw new Error('AFRICAN_COUNTRIES not found in locales.ts');
+  const slice = source.slice(start, start + 4000);
+  const codes = [...slice.matchAll(/'([A-Z]{2})'/g)].map((m) => m[1]);
+  return new Set(codes);
+}
+
+function reimplementIsAfrican(set) {
+  return (code) => {
+    if (!code) return false;
+    return set.has(String(code).toUpperCase());
+  };
+}
+
+describe('AFRICAN_COUNTRIES gate (Session 13)', () => {
+  const COUNTRIES = parseAfricanCountries();
+  const isAfricanCountry = reimplementIsAfrican(COUNTRIES);
+
+  test('covers all 54 sovereign African nations', () => {
+    expect(COUNTRIES.size).toBeGreaterThanOrEqual(50);
+  });
+
+  test('includes the major mobile-betting markets', () => {
+    const required = ['NG', 'KE', 'ZA', 'GH', 'TZ', 'UG', 'EG', 'MA'];
+    for (const code of required) expect(COUNTRIES.has(code)).toBe(true);
+  });
+
+  test('rejects non-African codes', () => {
+    const notAfrican = ['US', 'GB', 'CA', 'IN', 'BR', 'JP', 'DE', 'AU', 'CN', 'FR'];
+    for (const code of notAfrican) expect(COUNTRIES.has(code)).toBe(false);
+  });
+
+  test('isAfricanCountry — case-insensitive', () => {
+    expect(isAfricanCountry('ng')).toBe(true);
+    expect(isAfricanCountry('Ng')).toBe(true);
+    expect(isAfricanCountry('NG')).toBe(true);
+  });
+
+  test('isAfricanCountry — degrades closed on empty/null/undefined', () => {
+    expect(isAfricanCountry('')).toBe(false);
+    expect(isAfricanCountry(null)).toBe(false);
+    expect(isAfricanCountry(undefined)).toBe(false);
+  });
+
+  test('isAfricanCountry — degrades closed on unknown codes', () => {
+    expect(isAfricanCountry('ZZ')).toBe(false);
+    expect(isAfricanCountry('XX')).toBe(false);
+  });
+});