Files
paperclip/packages/plugins/sandbox-providers/kubernetes/test/unit/pod-exec.test.ts
T

82 lines
2.8 KiB
TypeScript

import { EventEmitter } from "node:events";
import { describe, it, expect, vi, beforeEach } from "vitest";
const execMock = vi.fn();
vi.mock("@kubernetes/client-node", () => ({
Exec: vi.fn().mockImplementation(() => ({ exec: execMock })),
}));
const { execInPod } = await import("../../src/pod-exec.js");
describe("execInPod", () => {
beforeEach(() => {
execMock.mockReset();
});
it("returns success when the Kubernetes exec status callback reports success", async () => {
execMock.mockImplementation((_namespace, _pod, _container, _command, stdout, _stderr, _stdin, _tty, statusCallback) => {
stdout.write("ok\n");
stdout.end();
_stderr.end();
statusCallback({ status: "Success" });
return Promise.resolve(new EventEmitter());
});
const result = await execInPod({} as never, "ns", "pod-1", "agent", ["echo", "ok"]);
expect(result).toEqual({ exitCode: 0, timedOut: false, stdout: "ok\n", stderr: "" });
});
it("returns an execution failure if the websocket closes before a status frame", async () => {
const ws = new EventEmitter();
execMock.mockResolvedValue(ws);
const resultPromise = execInPod({} as never, "ns", "pod-1", "agent", ["sleep", "1"]);
await Promise.resolve();
ws.emit("close", 1006, Buffer.from("connection lost"));
await expect(resultPromise).resolves.toMatchObject({
exitCode: 1,
timedOut: false,
stderr: expect.stringContaining("websocket closed before status frame"),
});
});
it("returns an execution failure if the exec command exceeds its deadline", async () => {
execMock.mockResolvedValue(new EventEmitter());
const result = await execInPod({} as never, "ns", "pod-1", "agent", ["sleep", "60"], undefined, 5);
expect(result.exitCode).toBe(1);
expect(result.timedOut).toBe(true);
expect(result.stderr).toContain("Kubernetes exec timed out after 5ms");
});
it("wraps stdin commands with a byte-counted head prefix", async () => {
let observedCommand: string[] | undefined;
let observedStdin = "";
let observedStdinFinished = false;
execMock.mockImplementation((_namespace, _pod, _container, command, stdout, stderr, stdin, _tty, statusCallback) => {
observedCommand = command;
stdin?.on("data", (chunk: Buffer) => {
observedStdin += chunk.toString("utf8");
});
stdin?.on("finish", () => {
observedStdinFinished = true;
});
stdout.end();
stderr.end();
statusCallback({ status: "Success" });
return Promise.resolve(new EventEmitter());
});
await execInPod({} as never, "ns", "pod-1", "agent", ["base64", "-d"], "abc");
await Promise.resolve();
expect(observedCommand).toEqual(["/bin/sh", "-c", "head -c 3 | 'base64' '-d'"]);
expect(observedStdin).toBe("abc");
expect(observedStdinFinished).toBe(true);
});
});