Function expectInvalidArgs

src/utils/source-value.test.ts:11–18

(fn: () => unknown, messageFragment?: string)

}

function expectInvalidArgs(fn: () => unknown, messageFragment?: string) {
  expect(fn).toThrow(
    expect.objectContaining({
      code: 'INVALID_ARGS',
      ...(messageFragment ? { message: expect.stringContaining(messageFragment) } : {}),
    }),
  );
}

describe('buildPrimaryEnvVarName', () => {
  test('converts camelCase keys into a prefixed SCREAMING_SNAKE env var', () => {