feat(new tool): string obfuscator (#575)

1 files changed, 20 insertions, 0 deletions

diff --git a/src/tools/string-obfuscator/string-obfuscator.model.test.ts b/src/tools/string-obfuscator/string-obfuscator.model.test.ts
new file mode 100644
index 0000000..08d3fc2
--- /dev/null
+++ b/src/tools/string-obfuscator/string-obfuscator.model.test.ts
@@ -0,0 +1,20 @@
+import { describe, expect, it } from 'vitest';
+import { obfuscateString } from './string-obfuscator.model';
+
+describe('string-obfuscator model', () => {
+  describe('obfuscateString', () => {
+    it('the characters in the middle of the string are replaced by the replacement character', () => {
+      expect(obfuscateString('1234567890')).toBe('1234******');
+      expect(obfuscateString('1234567890', { replacementChar: 'x' })).toBe('1234xxxxxx');
+      expect(obfuscateString('1234567890', { keepFirst: 5 })).toBe('12345*****');
+      expect(obfuscateString('1234567890', { keepFirst: 0, keepLast: 5 })).toBe('*****67890');
+      expect(obfuscateString('1234567890', { keepFirst: 5, keepLast: 5 })).toBe('1234567890');
+      expect(obfuscateString('1234567890', { keepFirst: 2, keepLast: 2, replacementChar: 'x' })).toBe('12xxxxxx90');
+    });
+
+    it('by default, the spaces are kept, they can be removed with the keepSpace option', () => {
+      expect(obfuscateString('12345 67890')).toBe('1234* *****');
+      expect(obfuscateString('12345 67890', { keepSpace: false })).toBe('1234*******');
+    });
+  });
+});