test-setup.ts•2.46 kB
/**
* Global test setup for Vitest
* Mocks the logging module to prevent file I/O during tests
* but still outputs to stdout for visibility using real Pino
*/
import { vi } from "vitest";
import pino from "pino";
// Mock the logging module to prevent file I/O during tests
// but use a real Pino logger configured for console output only
vi.mock("./utils/logging.js", () => {
// Create a minimal test logger for better performance
// IMPORTANT: Do not use transports here as they add exit listeners
const testLogger = pino({
level: process.env.TEST_VERBOSE ? "info" : "silent", // Silent unless explicitly verbose
// No transport - write directly to stdout to avoid exit listeners
});
const mockLogger = {
info: testLogger.info.bind(testLogger),
warn: testLogger.warn.bind(testLogger),
error: testLogger.error.bind(testLogger),
debug: testLogger.debug.bind(testLogger),
trace: testLogger.trace.bind(testLogger),
child: (bindings: any) => {
const childLogger = testLogger.child(bindings);
return {
info: childLogger.info.bind(childLogger),
warn: childLogger.warn.bind(childLogger),
error: childLogger.error.bind(childLogger),
debug: childLogger.debug.bind(childLogger),
trace: childLogger.trace.bind(childLogger),
child: mockLogger.child,
pino: childLogger,
updateConfig: vi.fn(),
};
},
pino: testLogger,
updateConfig: vi.fn(),
};
return {
Logger: vi.fn(() => mockLogger),
getLogger: vi.fn(() => mockLogger),
getLoggerAsync: vi.fn(async () => mockLogger),
createChildLogger: vi.fn((bindings) => mockLogger.child(bindings)),
createChildLoggerAsync: vi.fn(async (bindings) =>
mockLogger.child(bindings)
),
DEFAULT_LOGGING_CONFIG: {
level: "info",
enableConsole: true,
enableFile: false,
serverName: "test",
format: "pretty",
},
createLoggingConfig: vi.fn(() => ({
level: "info",
enableConsole: true,
enableFile: false,
serverName: "test",
format: "pretty",
})),
getLoggerDiagnostics: vi.fn(() => ({
hasGlobalLogger: true,
implementationType: "pino",
cacheStats: {
childLoggerCount: 0,
cacheSize: 0,
cacheKeys: [],
},
})),
resetGlobalLogger: vi.fn(),
forceSetMcpLoggerEnabled: vi.fn(),
getActiveLoggingConfig: vi.fn(() => null),
};
});