| 1 | const ErrorFactory = require('./index.js');
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| 2 |
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| 3 | describe('server/error', () => {
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| 4 | it('is a function', () => {
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| 5 | expect(ErrorFactory instanceof Function).toBe(true);
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| 6 | });
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| 7 |
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| 8 | it('canNOT do simple errors', () => {
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| 9 | expect(new ErrorFactory('Hello world').message).not.toBe('Hello world');
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| 10 | expect(new ErrorFactory('Hello world') instanceof Error).not.toBe(true);
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| 11 | });
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| 12 |
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| 13 | it('does not create a plain error', () => {
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| 14 | expect(ErrorFactory().message).toBe(undefined);
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| 15 | expect(ErrorFactory() instanceof Function).toBe(true);
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| 16 | expect(ErrorFactory('Hello world').message).toBe(undefined);
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| 17 | expect(ErrorFactory('Hello world') instanceof Function).toBe(true);
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| 18 | expect(ErrorFactory('Hello world', {}).message).toBe(undefined);
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| 19 | expect(ErrorFactory('Hello world', {}) instanceof Function).toBe(true);
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| 20 | });
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| 21 |
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| 22 | it('can create errors from within the factory', () => {
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| 23 | expect(ErrorFactory('/server/')('test') instanceof Error).toBe(true);
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| 24 | expect(ErrorFactory('/server/')('test').code).toBe('/server/test');
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| 25 | expect(ErrorFactory('/server/')('test', { status: 500 }).status).toBe(500);
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| 26 | });
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| 27 |
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| 28 | it('can create errors from within the factory', () => {
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| 29 | expect(ErrorFactory('/server/')('test') instanceof Error).toBe(true);
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| 30 | expect(ErrorFactory('/server/')('test').code).toBe('/server/test');
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| 31 | expect(ErrorFactory('/server/')('test').namespace).toBe('/server/');
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| 32 | expect(ErrorFactory('/server/')('test', { status: 500 }).status).toBe(500);
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| 33 | });
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| 34 |
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| 35 | describe('Namespaces', () => {
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| 36 | const TestError = ErrorFactory('/server/', { status: 500 });
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| 37 |
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| 38 | it('has the correct defaults', () => {
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| 39 | expect(TestError().status).toBe(500);
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| 40 | expect(TestError().code).toBe('/server');
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| 41 | expect(TestError().id).toBe('server');
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| 42 | });
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| 43 |
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| 44 | it('can extend the errors', () => {
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| 45 | const err = TestError('demo', { status: 501 });
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| 46 | expect(err.status).toBe(501);
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| 47 | expect(err.code).toBe('/server/demo');
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| 48 | expect(err.id).toBe('server-demo');
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| 49 | });
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| 50 |
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| 51 | it('is the same as with the instance', () => {
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| 52 | const err = TestError('demo', { status: 501 });
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| 53 | const err2 = new TestError('demo', { status: 501 });
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| 54 | expect(err).toMatchObject(err2);
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| 55 | });
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| 56 | });
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| 57 |
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| 58 | describe('Define errors', () => {
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| 59 | const TestError = ErrorFactory('/server/', { status: 500 });
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| 60 | TestError.aaa = 'First error';
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| 61 |
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| 62 | it('has the correct message', () => {
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| 63 | expect(TestError('aaa').message).toBe('First error');
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| 64 | });
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| 65 |
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| 66 | it('can define an error with a function', () => {
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| 67 | TestError.bbb = () => `Function error`;
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| 68 | expect(TestError('bbb').message).toBe('Function error');
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| 69 | });
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| 70 |
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| 71 | it('defines errors globally', () => {
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| 72 | expect(TestError('bbb').message).toBe('Function error');
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| 73 | });
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| 74 |
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| 75 | it('errors are namespaced', () => {
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| 76 | const TestError = ErrorFactory('/server/');
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| 77 | expect(TestError('bbb').message).toBe(undefined);
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| 78 | });
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| 79 |
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| 80 | it('gets the options in the interpolation', () => {
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| 81 | TestError.ccc = ({ status }) => `Function error ${status}`;
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| 82 | expect(TestError('ccc', { status: 505 }).message).toBe('Function error 505');
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| 83 | });
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| 84 | });
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| 85 | });
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