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import { NotAvailablePipe } from './not-available.pipe';
describe('NotAvailablePipe', () => {
let pipe: NotAvailablePipe;
beforeEach(() => {
pipe = new NotAvailablePipe();
});
it('create an instance', () => {
expect(pipe).toBeTruthy();
});
it('transforms not available (1)', () => {
expect(pipe.transform('')).toBe('n/a');
});
it('transforms not available (2)', () => {
expect(pipe.transform('', 'Unknown')).toBe('Unknown');
});
it('transform not necessary (1)', () => {
expect(pipe.transform(0)).toBe(0);
expect(pipe.transform(1)).toBe(1);
});
it('transform not necessary (2)', () => {
expect(pipe.transform('foo')).toBe('foo');
});
});
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