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eb1215f10f
- tests/errorMessage.test.ts (new): covers both branches of errorMessage() (Error instance → .message, non-Error → String()) and both branches of asError() (Error passthrough, non-Error wrapping), including subclasses, null, undefined, and numeric inputs. - tests/RpcError.test.ts (new): covers RpcError constructor (name/code/ message/data set correctly, optional data omitted), instanceof Error, and is() true/false branches with close numeric codes. Also bundles isPreconditionFailed() from src/proto/rpcError.ts: all branches tested — PreconditionFailed match, wrong code, missing code property, null, string/number primitives, and duck-typed plain object. Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
59 lines
1.7 KiB
TypeScript
59 lines
1.7 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import { errorMessage, asError } from '../src/util/errorMessage';
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describe('errorMessage', () => {
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it('returns the message property when passed an Error', () => {
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expect(errorMessage(new Error('boom'))).toBe('boom');
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});
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it('coerces a string to string unchanged', () => {
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expect(errorMessage('plain string')).toBe('plain string');
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});
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it('coerces a number via String()', () => {
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expect(errorMessage(42)).toBe('42');
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});
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it('coerces null via String()', () => {
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expect(errorMessage(null)).toBe('null');
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});
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it('coerces undefined via String()', () => {
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expect(errorMessage(undefined)).toBe('undefined');
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});
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it('returns an empty string for an Error with no message', () => {
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expect(errorMessage(new Error())).toBe('');
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});
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});
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describe('asError', () => {
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it('returns the same Error instance when passed an Error', () => {
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const e = new Error('original');
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expect(asError(e)).toBe(e);
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});
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it('wraps a string in a new Error', () => {
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const result = asError('raw string');
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expect(result).toBeInstanceOf(Error);
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expect(result.message).toBe('raw string');
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});
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it('wraps a number in a new Error using String()', () => {
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const result = asError(99);
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expect(result).toBeInstanceOf(Error);
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expect(result.message).toBe('99');
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});
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it('wraps null in a new Error', () => {
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const result = asError(null);
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expect(result).toBeInstanceOf(Error);
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expect(result.message).toBe('null');
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});
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it('preserves subclass instances (TypeError, etc.) unchanged', () => {
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const e = new TypeError('type mismatch');
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expect(asError(e)).toBe(e);
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expect(asError(e)).toBeInstanceOf(TypeError);
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});
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});
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