75 lines
2.7 KiB
TypeScript
75 lines
2.7 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import {
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coerceToFailoverError,
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describeFailoverError,
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isTimeoutError,
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resolveFailoverReasonFromError,
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} from "./failover-error.js";
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describe("failover-error", () => {
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it("infers failover reason from HTTP status", () => {
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expect(resolveFailoverReasonFromError({ status: 402 })).toBe("billing");
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expect(resolveFailoverReasonFromError({ statusCode: "429" })).toBe("rate_limit");
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expect(resolveFailoverReasonFromError({ status: 403 })).toBe("auth");
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expect(resolveFailoverReasonFromError({ status: 408 })).toBe("timeout");
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expect(resolveFailoverReasonFromError({ status: 400 })).toBe("format");
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expect(resolveFailoverReasonFromError({ status: 503 })).toBe("timeout");
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});
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it("infers format errors from error messages", () => {
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expect(
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resolveFailoverReasonFromError({
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message: "invalid request format: messages.1.content.1.tool_use.id",
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}),
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).toBe("format");
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});
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it("infers timeout from common node error codes", () => {
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expect(resolveFailoverReasonFromError({ code: "ETIMEDOUT" })).toBe("timeout");
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expect(resolveFailoverReasonFromError({ code: "ECONNRESET" })).toBe("timeout");
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});
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it("infers timeout from abort stop-reason messages", () => {
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expect(resolveFailoverReasonFromError({ message: "Unhandled stop reason: abort" })).toBe(
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"timeout",
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);
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expect(resolveFailoverReasonFromError({ message: "stop reason: abort" })).toBe("timeout");
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expect(resolveFailoverReasonFromError({ message: "reason: abort" })).toBe("timeout");
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});
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it("treats AbortError reason=abort as timeout", () => {
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const err = Object.assign(new Error("aborted"), {
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name: "AbortError",
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reason: "reason: abort",
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});
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expect(isTimeoutError(err)).toBe(true);
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});
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it("coerces failover-worthy errors into FailoverError with metadata", () => {
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const err = coerceToFailoverError("credit balance too low", {
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provider: "anthropic",
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model: "claude-opus-4-5",
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});
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expect(err?.name).toBe("FailoverError");
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expect(err?.reason).toBe("billing");
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expect(err?.status).toBe(402);
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expect(err?.provider).toBe("anthropic");
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expect(err?.model).toBe("claude-opus-4-5");
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});
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it("coerces format errors with a 400 status", () => {
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const err = coerceToFailoverError("invalid request format", {
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provider: "google",
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model: "cloud-code-assist",
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});
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expect(err?.reason).toBe("format");
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expect(err?.status).toBe(400);
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});
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it("describes non-Error values consistently", () => {
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const described = describeFailoverError(123);
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expect(described.message).toBe("123");
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expect(described.reason).toBeUndefined();
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});
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});
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