import { describe, expect, it, vi } from "vitest";

import {

executeProviderOperationWithRetry,

resolveTransientProviderAttempts,

} from "./operation-retry.js";

describe("resolveTransientProviderAttempts", () => {

it("does not round malformed attempt counts", () => {

expect(resolveTransientProviderAttempts({ attempts: 1.5 })).toBe(1);

expect(resolveTransientProviderAttempts({ attempts: Number.NaN })).toBe(1);

expect(resolveTransientProviderAttempts({ attempts: Number.POSITIVE_INFINITY })).toBe(1);

expect(resolveTransientProviderAttempts({ attempts: Number.MAX_SAFE_INTEGER + 1 })).toBe(1);

});

it("keeps valid attempt counts as integers", () => {

expect(resolveTransientProviderAttempts({ attempts: 0 })).toBe(1);

expect(resolveTransientProviderAttempts({ attempts: 3 })).toBe(3);

});

});

describe("executeProviderOperationWithRetry", () => {

it("does not turn fractional attempts into an extra execution", async () => {

const operation = vi.fn(async () => {

const error = new Error("HTTP 503");

Object.assign(error, { status: 503 });

throw error;

});

await expect(

executeProviderOperationWithRetry({

provider: "test",

stage: "read",

operation,

retry: {

attempts: 1.5,

baseDelayMs: 0,

maxDelayMs: 0,

},

}),

).rejects.toThrow("HTTP 503");

expect(operation).toHaveBeenCalledTimes(1);

});

});