Spracherkennung für: .ts vermutete Sprache: Unknown {[0] [0] [0]} [Methode: Schwerpunktbildung, einfache Gewichte, sechs Dimensionen]
import { describe, expect, it } from "vitest";
import {
isAbortError,
isTransientNetworkError,
isTransientSqliteError,
isTransientUnhandledRejectionError,
} from "./unhandled-rejections.js";
describe("isAbortError", () => {
it("returns true for error with name AbortError", () => {
const error = new Error("aborted");
error.name = "AbortError";
expect(isAbortError(error)).toBe(true);
});
it('returns true for error with "This operation was aborted" message', () => {
const error = new Error("This operation was aborted");
expect(isAbortError(error)).toBe(true);
});
it("returns true for undici-style AbortError", () => {
// Node's undici throws errors with this exact message
const error = Object.assign(new Error("This operation was aborted"), { name: "AbortError" });
expect(isAbortError(error)).toBe(true);
});
it("returns true for object with AbortError name", () => {
expect(isAbortError({ name: "AbortError", message: "test" })).toBe(true);
});
it("returns false for regular errors", () => {
expect(isAbortError(new Error("Something went wrong"))).toBe(false);
expect(isAbortError(new TypeError("Cannot read property"))).toBe(false);
expect(isAbortError(new RangeError("Invalid array length"))).toBe(false);
});
it("returns false for errors with similar but different messages", () => {
expect(isAbortError(new Error("Operation aborted"))).toBe(false);
expect(isAbortError(new Error("aborted"))).toBe(false);
expect(isAbortError(new Error("Request was aborted"))).toBe(false);
});
it.each([null, undefined, "string error", 42, { message: "plain object" }])(
"returns false for non-abort input %#",
(value) => {
expect(isAbortError(value)).toBe(false);
},
);
});
describe("isTransientNetworkError", () => {
it("returns true for errors with transient network codes", () => {
const codes = [
"ECONNRESET",
"ECONNREFUSED",
"ENOTFOUND",
"ETIMEDOUT",
"ESOCKETTIMEDOUT",
"ECONNABORTED",
"EPIPE",
"EHOSTUNREACH",
"ENETUNREACH",
"EAI_AGAIN",
"EPROTO",
"UND_ERR_CONNECT_TIMEOUT",
"UND_ERR_SOCKET",
"UND_ERR_HEADERS_TIMEOUT",
"UND_ERR_BODY_TIMEOUT",
"ERR_SSL_WRONG_VERSION_NUMBER",
"ERR_SSL_PROTOCOL_RETURNED_AN_ERROR",
];
for (const code of codes) {
const error = Object.assign(new Error("test"), { code });
expect(isTransientNetworkError(error), `code: ${code}`).toBe(true);
}
});
it('returns true for TypeError with "fetch failed" message', () => {
const error = new TypeError("fetch failed");
expect(isTransientNetworkError(error)).toBe(true);
});
it("returns true for fetch failed with network cause", () => {
const cause = Object.assign(new Error("getaddrinfo ENOTFOUND"), { code: "ENOTFOUND" });
const error = Object.assign(new TypeError("fetch failed"), { cause });
expect(isTransientNetworkError(error)).toBe(true);
});
it("returns true for fetch failed with unclassified cause", () => {
const cause = Object.assign(new Error("unknown socket state"), { code: "UNKNOWN" });
const error = Object.assign(new TypeError("fetch failed"), { cause });
expect(isTransientNetworkError(error)).toBe(true);
});
it("returns true for nested cause chain with network error", () => {
const innerCause = Object.assign(new Error("connection reset"), { code: "ECONNRESET" });
const outerCause = Object.assign(new Error("wrapper"), { cause: innerCause });
const error = Object.assign(new TypeError("fetch failed"), { cause: outerCause });
expect(isTransientNetworkError(error)).toBe(true);
});
it("returns true for Slack request errors that wrap network codes in .original", () => {
const error = Object.assign(new Error("A request error occurred: getaddrinfo EAI_AGAIN"), {
code: "slack_webapi_request_error",
original: {
errno: -3001,
code: "EAI_AGAIN",
syscall: "getaddrinfo",
hostname: "slack.com",
},
});
expect(isTransientNetworkError(error)).toBe(true);
});
it("returns true for network codes nested in .data payloads", () => {
const error = {
code: "slack_webapi_request_error",
message: "A request error occurred",
data: {
code: "EAI_AGAIN",
},
};
expect(isTransientNetworkError(error)).toBe(true);
});
it("returns true for AggregateError containing network errors", () => {
const networkError = Object.assign(new Error("timeout"), { code: "ETIMEDOUT" });
const error = new AggregateError([networkError], "Multiple errors");
expect(isTransientNetworkError(error)).toBe(true);
});
it("returns true for wrapped fetch-failed messages from integration clients", () => {
const error = new Error("Failed to get gateway information from Discord: fetch failed");
expect(isTransientNetworkError(error)).toBe(true);
});
it("returns true for wrapped Discord upstream-connect parse failures", () => {
const error = new Error(
`Failed to get gateway information from Discord: Unexpected token 'u', "upstream connect error or disconnect/reset before headers. reset reason: overflow" is not valid JSON`,
);
expect(isTransientNetworkError(error)).toBe(true);
});
it("returns false for non-network fetch-failed wrappers from tools", () => {
const error = new Error("Web fetch failed (404): Not Found");
expect(isTransientNetworkError(error)).toBe(false);
});
it("returns true for TLS/SSL transient message snippets", () => {
expect(isTransientNetworkError(new Error("write EPROTO 00A8B0C9:error"))).toBe(true);
expect(
isTransientNetworkError(
new Error("SSL routines:OPENSSL_internal:WRONG_VERSION_NUMBER while connecting"),
),
).toBe(true);
expect(isTransientNetworkError(new Error("tlsv1 alert protocol version"))).toBe(true);
});
it("returns false for regular errors without network codes", () => {
expect(isTransientNetworkError(new Error("Something went wrong"))).toBe(false);
expect(isTransientNetworkError(new TypeError("Cannot read property"))).toBe(false);
expect(isTransientNetworkError(new RangeError("Invalid array length"))).toBe(false);
});
it("returns false for errors with non-network codes", () => {
const error = Object.assign(new Error("test"), { code: "INVALID_CONFIG" });
expect(isTransientNetworkError(error)).toBe(false);
});
it("returns false for Slack request errors without network indicators", () => {
const error = Object.assign(new Error("A request error occurred"), {
code: "slack_webapi_request_error",
});
expect(isTransientNetworkError(error)).toBe(false);
});
it("returns false for non-transient undici codes that only appear in message text", () => {
const error = new Error("Request failed with UND_ERR_INVALID_ARG");
expect(isTransientNetworkError(error)).toBe(false);
});
it.each([null, undefined, "string error", 42, { message: "plain object" }])(
"returns false for non-network input %#",
(value) => {
expect(isTransientNetworkError(value)).toBe(false);
},
);
it("returns false for AggregateError with only non-network errors", () => {
const error = new AggregateError([new Error("regular error")], "Multiple errors");
expect(isTransientNetworkError(error)).toBe(false);
});
});
describe("isTransientSqliteError", () => {
it("returns true for named transient SQLite codes", () => {
const codes = ["SQLITE_CANTOPEN", "SQLITE_BUSY", "SQLITE_LOCKED", "SQLITE_IOERR"];
for (const code of codes) {
const error = Object.assign(new Error("sqlite transient"), { code });
expect(isTransientSqliteError(error), `code: ${code}`).toBe(true);
}
});
it("returns true for node:sqlite transient errcodes", () => {
const sqliteCases = [
{ errcode: 14, errstr: "unable to open database file" },
{ errcode: 5, errstr: "database is locked" },
{ errcode: 6, errstr: "database table is locked" },
{ errcode: 10, errstr: "disk I/O error" },
] as const;
for (const { errcode, errstr } of sqliteCases) {
const error = Object.assign(new Error(errstr), {
code: "ERR_SQLITE_ERROR",
errcode,
errstr,
});
expect(isTransientSqliteError(error), `errcode: ${errcode}`).toBe(true);
}
});
it("returns true for wrapped SQLite message strings", () => {
const error = new Error("SQLITE_BUSY: database is locked");
expect(isTransientSqliteError(error)).toBe(true);
});
it("returns false for non-transient SQLite failures", () => {
const constraintError = Object.assign(new Error("UNIQUE constraint failed"), {
code: "SQLITE_CONSTRAINT",
});
const genericSqliteError = Object.assign(new Error("constraint failed"), {
code: "ERR_SQLITE_ERROR",
errcode: 19,
errstr: "constraint failed",
});
expect(isTransientSqliteError(constraintError)).toBe(false);
expect(isTransientSqliteError(genericSqliteError)).toBe(false);
});
it("returns false for matching errcodes without SQLite context", () => {
const error = Object.assign(new Error("plain error"), {
code: "ERR_OTHER",
errcode: 14,
errstr: "unable to open database file",
});
expect(isTransientSqliteError(error)).toBe(false);
});
it("returns false for SQLite-like snippets without SQLite context", () => {
const error = new Error("database is locked");
expect(isTransientSqliteError(error)).toBe(false);
});
});
describe("isTransientUnhandledRejectionError", () => {
it("returns true for transient SQLite errors", () => {
const error = Object.assign(new Error("unable to open database file"), {
code: "ERR_SQLITE_ERROR",
errcode: 14,
errstr: "unable to open database file",
});
expect(isTransientUnhandledRejectionError(error)).toBe(true);
});
});
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(vorverarbeitet am 2026-04-27)
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