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import { baseConverter } from './baseConverter';
describe('Base Converter', () => {
describe('calls functions passed in', () => {
const mockValidator = vi.fn().mockReturnValue({ isValid: true });
const mockConverter = vi.fn().mockReturnValue('test');
const fakeConverter = baseConverter<number, string>({
input: 123,
converter: (_) => mockConverter(),
inputValidator: (_) => mockValidator(),
});
test('validation runs', () => {
fakeConverter();
expect(mockValidator).toHaveBeenCalled();
});
test('converter runs', () => {
fakeConverter();
expect(mockConverter).toHaveBeenCalled();
});
});
describe('if validation fails', () => {
const mockConverter = vi.fn().mockReturnValue('test');
const fakeConverter = baseConverter<number, string>({
input: 123,
converter: (_) => mockConverter(),
inputValidator: (_) => vi.fn().mockReturnValue({ isValid: false })(),
});
test('should not run converter', () => {
fakeConverter();
expect(mockConverter).toHaveBeenCalledTimes(0);
});
test('should return an error result', () => {
const result = fakeConverter();
expect(result.isSuccess, result.errorMessage).toBeFalsy();
});
});
describe('if conversion fails', () => {
const mockConverter = vi.fn().mockReturnValue('test');
const fakeConverter = baseConverter<number, string>({
input: 123,
converter: (_) => mockConverter(),
inputValidator: (_) => vi.fn().mockReturnValue({ isValid: true })(),
});
test('should run converter', () => {
fakeConverter();
expect(mockConverter).toHaveBeenCalledTimes(1);
});
test('should return an error result', () => {
const fakeConverterWithBadConversion = baseConverter<number, string>({
input: 123,
converter: (_) => {
throw 'mock';
},
inputValidator: (_) => vi.fn().mockReturnValue({ isValid: true })(),
});
const result = fakeConverterWithBadConversion();
expect(result.isSuccess, result.errorMessage).toBeFalsy();
});
});
});
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