54 lines
1.8 KiB
TypeScript
54 lines
1.8 KiB
TypeScript
import { describe, expect, test } from "bun:test";
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import {
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RPC_ERROR_CODES,
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ServiceError,
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failure,
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isRetryableStatus,
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success,
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} from "../src/errors.ts";
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describe("rpc errors", () => {
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test("success and failure build the result shape", () => {
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expect(success(42)).toEqual({ ok: true, value: 42 });
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const f = failure(RPC_ERROR_CODES.denied, "Forbidden");
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expect(f.ok).toBe(false);
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if (!f.ok) {
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expect(f.code).toBe("RPC_DENIED");
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expect(f.retryable).toBe(false);
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}
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});
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test("only transport failures are retryable", () => {
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// 5xx and 429 are the callee saying "try again"; everything else is final.
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expect(isRetryableStatus(500)).toBe(true);
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expect(isRetryableStatus(503)).toBe(true);
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expect(isRetryableStatus(429)).toBe(true);
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expect(isRetryableStatus(400)).toBe(false);
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expect(isRetryableStatus(403)).toBe(false);
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expect(isRetryableStatus(404)).toBe(false);
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expect(isRetryableStatus(200)).toBe(false);
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});
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test("a denial is never retryable", () => {
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const f = failure(RPC_ERROR_CODES.denied, "Forbidden");
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if (!f.ok) expect(f.retryable).toBe(false);
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});
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test("ServiceError carries a code and does not leak a cause into its message", () => {
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const error = new ServiceError(RPC_ERROR_CODES.handler, "Something failed");
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expect(error.name).toBe("ServiceError");
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expect(error.code).toBe("RPC_HANDLER");
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expect(error.message).toBe("Something failed");
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expect(error.retryable).toBe(false);
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});
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test("toResult produces an opaque failure", () => {
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const error = new ServiceError(RPC_ERROR_CODES.handler, "db password is hunter2");
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const result = error.toResult({ exposeMessage: false });
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if (!result.ok) {
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expect(result.message).toBe("Internal error");
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expect(result.message).not.toContain("hunter2");
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}
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});
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});
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