import { assert, describe, it } from "@effect/vitest";import { Effect } from "effect"; import { checkPosixListeningPorts } from "./posix.ts"; describe("process.checkPosixListeningPorts", () => {  it.effect("falls back to ss when lsof exits with code 1", () =>    Effect.gen(function* () {      const commands: string[] = [];       const ports = yield* checkPosixListeningPorts([123], {        terminalPid: 123,        platform: "linux",        runCommand: (input) => {          commands.push(input.command);          if (input.command === "lsof") {            return Effect.succeed({              stdout: "",              stderr: "",              exitCode: 1,            });          }           return Effect.succeed({            stdout:              "State Recv-Q Send-Q Local Address:Port Peer Address:Port Process\n" +              'LISTEN 0 511 127.0.0.1:3773 0.0.0.0:* users:(("node",pid=123,fd=18))\n',            stderr: "",            exitCode: 0,          });        },      });       assert.deepStrictEqual(ports, [3773]);      assert.deepStrictEqual(commands, ["lsof", "ss"]);    }),  );   it.effect("does not try ss on darwin when lsof reports no listening ports", () =>    Effect.gen(function* () {      const commands: string[] = [];       const ports = yield* checkPosixListeningPorts([123], {        terminalPid: 123,        platform: "darwin",        runCommand: (input) => {          commands.push(input.command);          return Effect.succeed({            stdout: "",            stderr: "",            exitCode: 1,          });        },      });       assert.deepStrictEqual(ports, []);      assert.deepStrictEqual(commands, ["lsof"]);    }),  );});