first test successfully passed

Author: dev-rashedin

__tests__/getStatusMessage.test.ts

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+
+import { StatusCodes } from '../src/statusCodes';
+import { getStatusMessage } from './../src/getStatusMessage';
+
+describe('getStatusMessage', () => {
+  it('should return a short message by default', () => {
+    expect(getStatusMessage(StatusCodes.OK)).toBe('OK');
+  });
+
+
+  it('should return a long message if long = true', () => {
+    expect(getStatusMessage(StatusCodes.OK, true)).toMatch(/successful/i)
+  })
+
+  it('should return a "Unknown Status" for invalid code', () => {
+    expect(getStatusMessage(999 as any)).toBe('Unknown Status');
+  }) 
+
+})
+

jest.config.js

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+export default {
+  preset: 'ts-jest/presets/default-esm',
+  testEnvironment: 'node',
+  extensionsToTreatAsEsm: ['.ts'],
+  transform: {
+    '^.+\\.ts$': 'ts-jest',
+  },
+  moduleNameMapper: {},
+};