1  const chai = require("chai");
 2  const path = require("path");
 3  const wasm_tester = require("circom_tester").wasm;
 4  
 5  const buildMimc7 = require("circomlibjs").buildMimc7;
 6  
 7  describe("MiMC Circuit test", function () {
 8      let circuit;
 9      let mimc7;
10  
11      this.timeout(100000);
12  
13      before( async () => {
14          mimc7 = await buildMimc7();
15          circuit = await wasm_tester(path.join(__dirname, "circuits", "mimc_test.circom"));
16      });
17  
18      it("Should check constrain", async () => {
19          const w = await circuit.calculateWitness({x_in: 1, k: 2}, true);
20  
21          const res2 = mimc7.hash(1,2,91);
22  
23          await circuit.assertOut(w, {out: mimc7.F.toObject(res2)});
24  
25          await circuit.checkConstraints(w);
26      });
27  });