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tests/unit/utils.test.ts

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+/**
+ * Utility functions unit tests
+ */
+
+import { describe, it, expect } from 'vitest';
+import { generateRandomNumber, generateRandomKey } from '../../src/utils';
+
+describe('generateRandomNumber', () => {
+  it('should generate a number within the specified range', () => {
+    const result = generateRandomNumber(1, 10);
+    expect(result).toBeGreaterThanOrEqual(1);
+    expect(result).toBeLessThanOrEqual(10);
+  });
+
+  it('should use default values when no arguments provided', () => {
+    const result = generateRandomNumber();
+    expect(result).toBeGreaterThanOrEqual(0);
+    expect(result).toBeLessThanOrEqual(100);
+  });
+
+  it('should throw error when min is greater than max', () => {
+    expect(() => generateRandomNumber(10, 5)).toThrow('Min value cannot be greater than max value');
+  });
+
+  it('should handle equal min and max', () => {
+    const result = generateRandomNumber(5, 5);
+    expect(result).toBe(5);
+  });
+});
+
+describe('generateRandomKey', () => {
+  it('should generate a non-empty string', () => {
+    const result = generateRandomKey();
+    expect(result).toBeTruthy();
+    expect(typeof result).toBe('string');
+    expect(result.length).toBeGreaterThan(0);
+  });
+
+  it('should generate different keys on each call', () => {
+    const key1 = generateRandomKey();
+    const key2 = generateRandomKey();
+    expect(key1).not.toBe(key2);
+  });
+
+  it('should generate keys that start with timestamp', () => {
+    const result = generateRandomKey();
+    const timestamp = Date.now();
+    const keyTimestamp = parseInt(result.substring(0, 13));
+    // Should be within 1 second of current timestamp
+    expect(Math.abs(timestamp - keyTimestamp)).toBeLessThan(1000);
+  });
+});
+