/**
* Vitest test setup file (ESM)
* - Configures globals, env timeouts, and graceful teardown
* - Using native ESM imports
*/
import { spawnSync } from "child_process";
import { prologInterface } from "../src/tools.js";
// Shorten PrologInterface timeouts under test
process.env.SWI_MCP_READY_TIMEOUT_MS = process.env.SWI_MCP_READY_TIMEOUT_MS || "2500";
process.env.SWI_MCP_QUERY_TIMEOUT_MS = process.env.SWI_MCP_QUERY_TIMEOUT_MS || "2500";
// Detect SWI-Prolog availability once
try {
const res = spawnSync("swipl", ["--version"], { stdio: "ignore" });
global.HAS_SWIPL = res.status === 0;
} catch {
global.HAS_SWIPL = false;
}
// Ensure the singleton prologInterface is stopped at the end of all tests
if (prologInterface) {
afterAll(() => {
try {
prologInterface.stop();
} catch {}
});
}
// Custom Vitest matcher for Prolog responses
expect.extend({
toBeValidPrologResponse(received) {
const isValid = typeof received === 'string' && received.length > 0;
if (isValid) {
return {
message: () => `Expected ${received} not to be a valid Prolog response`,
pass: true,
};
} else {
return {
message: () => `Expected ${received} to be a valid Prolog response`,
pass: false,
};
}
},
});
