update

packages/core/src/utils/tests.ts

@@ -0,0 +1,50 @@
+import { it as vitestIt } from 'vitest';
+
+type TimedTestOptions = {
+  logTiming?: boolean;
+  threshold?: number; // Log only if test takes longer than this (in ms)
+};
+
+/**
+ * A wrapper around vitest's `it` function that measures and logs the execution time
+ * of just the test body (excluding beforeEach/afterEach hooks).
+ */
+export function itWithTiming(name: string, fn: () => void | Promise<void>, options: TimedTestOptions = {}) {
+  const { logTiming = true, threshold = 0 } = options;
+
+  return vitestIt(name, async () => {
+    const startTime = performance.now();
+
+    try {
+      await fn();
+    } finally {
+      const endTime = performance.now();
+      const duration = endTime - startTime;
+
+      if (logTiming && duration >= threshold) {
+        console.log(`⏱️  Test "${name}": ${duration.toFixed(2)}ms (body only)`);
+      }
+    }
+  });
+}
+
+/**
+ * Like timedTest, but only logs timing for slow tests (configurable threshold)
+ */
+export function slowTest(name: string, fn: () => void | Promise<void>, thresholdMs = 100) {
+  return itWithTiming(name, fn, { logTiming: true, threshold: thresholdMs });
+}
+
+/**
+ * Measures execution time of a specific code block within a test
+ */
+export async function measureTime<T>(label: string, fn: () => T | Promise<T>): Promise<T> {
+  const startTime = performance.now();
+  try {
+    return await fn();
+  } finally {
+    const endTime = performance.now();
+    const duration = endTime - startTime;
+    console.log(`⏱️  ${label}: ${duration.toFixed(2)}ms`);
+  }
+}