Rune Harlyk
40 lines
1.1 KiB
TypeScript
40 lines
1.1 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import { Result } from '../src/lib/utilities';
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describe('Result', () => {
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it('should create a success result correctly', () => {
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const successValue = 'Success value';
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const result = Result.ok(successValue);
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expect(result.isOk()).toBe(true);
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expect(result.isErr()).toBe(false);
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expect(result.inner).toBe(successValue);
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});
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it('should create an error result correctly', () => {
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const errorMessage = 'Error message';
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const result = Result.err(errorMessage);
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expect(result.isOk()).toBe(false);
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expect(result.isErr()).toBe(true);
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expect(result.inner).toBe(errorMessage);
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});
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it('should type guard success and error results correctly', () => {
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const successResult = Result.ok(123);
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const errorResult = Result.err('Error');
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if (successResult.isOk()) {
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expect(typeof successResult.inner).toBe('number');
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} else {
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throw new Error('Expected successResult to be ok');
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}
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if (errorResult.isErr()) {
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expect(typeof errorResult.inner).toBe('string');
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} else {
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throw new Error('Expected errorResult to be fail');
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}
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});
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});
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