describe('TitleCasePipe', () => { // This pipe is a pure, stateless function so no need for BeforeEach let pipe = new TitleCasePipe(); it('transforms "abc" to "Abc"', () => { expect(pipe.transform('abc')).toBe('Abc'); }); it('transforms "abc def" to "Abc Def"', () => { expect(pipe.transform('abc def')).toBe('Abc Def'); }); // ... more tests ... });