feat: unit tests for utils (#92)

* init * get unit test working for course.ts file * added some other tests * tests halfway + change config to accomodate js files * utility functions tests done * fix: config file + miscellaneous fixes * fix: prepare script * fix lock file --------- Co-authored-by: Rotimi Best <[email protected]>
2023-12-20 14:28:40 +03:00
parent 4b2e58b1de
commit 6d689ede45
24 changed files with 2293 additions and 35 deletions
@@ -0,0 +1,27 @@
+import getCurrencyFormatter from './getCurrencyFormatter';
+
+describe('GetCurrencyFormatter', () => {
+  test('should return a new instance of Intl.NumberFormat with the correct locale and currency options when currency is "NGN"', () => {
+    const result = getCurrencyFormatter('NGN');
+    expect(result).toBeInstanceOf(Intl.NumberFormat);
+    expect(result.resolvedOptions().locale).toBe('en-NG');
+    expect(result.resolvedOptions().currency).toBe('NGN');
+    expect(result.resolvedOptions().minimumFractionDigits).toBe(2);
+  });
+
+  test('should return a new instance of Intl.NumberFormat with the correct locale and currency options when currency is "USD"', () => {
+    const result = getCurrencyFormatter('USD');
+    expect(result).toBeInstanceOf(Intl.NumberFormat);
+    expect(result.resolvedOptions().locale).toBe('en-US');
+    expect(result.resolvedOptions().currency).toBe('USD');
+    expect(result.resolvedOptions().minimumFractionDigits).toBe(2);
+  });
+
+  test('should return a new instance of Intl.NumberFormat with the correct locale and currency options when currency is "EUR"', () => {
+    const result = getCurrencyFormatter('EUR');
+    expect(result).toBeInstanceOf(Intl.NumberFormat);
+    expect(result.resolvedOptions().locale).toBe('en-US');
+    expect(result.resolvedOptions().currency).toBe('EUR');
+    expect(result.resolvedOptions().minimumFractionDigits).toBe(2);
+  });
+});