test(json-ot): 💍 add ot-string transform() function fuzzing

Author: streamich

src/json-ot/types/ot-string/__tests__/fuzzer.transform.spec.ts

@@ -0,0 +1,23 @@
+import {apply, transform} from '../StringType';
+import {StringOtFuzzer} from './StringOtFuzzer';
+
+const fuzzer = new StringOtFuzzer();
+
+test('works', () => {
+  for (let i = 0; i < 1000; i++) {
+    const str1 = fuzzer.genString();
+    const op1 = fuzzer.genOp(str1);
+    const op2 = fuzzer.genOp(str1);
+    const op11 = transform(op1, op2, true);
+    const op22 = transform(op2, op1, false);
+    const str2 = apply(apply(str1, op1), op22);
+    const str3 = apply(apply(str1, op2), op11);
+    try {
+      expect(str3).toBe(str2);
+      // console.log([str1, op1, op2, op11, op22, str2, str3]);
+    } catch (error) {
+      console.log([str1, op1, op2, op11, op22, str2, str3]);
+      throw error;
+    }
+  }
+});