feat(tool): added token generator

src/tools/token-generator/token-generator.service.test.ts

@@ -0,0 +1,98 @@
+import { expect, describe, it } from 'vitest';
+import { createToken } from './token-generator.service';
+
+describe('token-generator', () => {
+  describe('createToken', () => {
+    it('should generate an empty string when all params are false', () => {
+      const token = createToken({
+        withLowercase: false,
+        withUppercase: false,
+        withNumbers: false,
+        withSymbols: false,
+        length: 10,
+      });
+
+      expect(token).toHaveLength(0);
+    });
+
+    it('should generate a random string with the specified length', () => {
+      const createTokenWithLength = (length: number) =>
+        createToken({
+          withLowercase: true,
+          withUppercase: true,
+          withNumbers: true,
+          withSymbols: true,
+          length,
+        });
+
+      expect(createTokenWithLength(5)).toHaveLength(5);
+      expect(createTokenWithLength(10)).toHaveLength(10);
+      expect(createTokenWithLength(100)).toHaveLength(100);
+    });
+
+    it('should generate a random string with just uppercase if only withUppercase is set', () => {
+      const token = createToken({
+        withLowercase: false,
+        withUppercase: true,
+        withNumbers: false,
+        withSymbols: false,
+        length: 256,
+      });
+
+      expect(token).toHaveLength(256);
+      expect(token).toMatch(/^[A-Z]+$/);
+    });
+
+    it('should generate a random string with just lowercase if only withLowercase is set', () => {
+      const token = createToken({
+        withLowercase: true,
+        withUppercase: false,
+        withNumbers: false,
+        withSymbols: false,
+        length: 256,
+      });
+
+      expect(token).toHaveLength(256);
+      expect(token).toMatch(/^[a-z]+$/);
+    });
+
+    it('should generate a random string with just numbers if only withNumbers is set', () => {
+      const token = createToken({
+        withLowercase: false,
+        withUppercase: false,
+        withNumbers: true,
+        withSymbols: false,
+        length: 256,
+      });
+
+      expect(token).toHaveLength(256);
+      expect(token).toMatch(/^[0-9]+$/);
+    });
+
+    it('should generate a random string with just symbols if only withSymbols is set', () => {
+      const token = createToken({
+        withLowercase: false,
+        withUppercase: false,
+        withNumbers: false,
+        withSymbols: true,
+        length: 256,
+      });
+
+      expect(token).toHaveLength(256);
+      expect(token).toMatch(/^[.,;:!?./\-"'#{([-|\\@)\]=}*+]+$/);
+    });
+
+    it('should generate a random string with just letters (case incensitive) with withLowercase and withUppercase', () => {
+      const token = createToken({
+        withLowercase: true,
+        withUppercase: true,
+        withNumbers: false,
+        withSymbols: false,
+        length: 256,
+      });
+
+      expect(token).toHaveLength(256);
+      expect(token).toMatch(/^[a-zA-Z]+$/);
+    });
+  });
+});