separate test for mimc and sparse-merkle-tree and update test

test/mimctestvectors.js

@@ -0,0 +1,51 @@
+const chai = require("chai");
+const snarkjs = require("snarkjs");
+const mimcjs = require("../src/mimc7.js");
+const expect = chai.expect;
+const bigInt = snarkjs.bigInt;
+
+function bytesToHex(buff) {
+    return `0x${buff.toString("hex")}`;
+}
+
+function bigIntToBuffer(number) {
+    const buff = Buffer.alloc(32);
+    let pos = buff.length - 1;
+    while (!number.isZero()) {
+        buff[pos] = number.and(255);
+        number = number.shiftRight(8);
+        pos -= 1;
+    }
+    return buff;
+}
+
+describe("[mimc hash] Javascript test", function () {
+  
+    this.timeout(100000);
+    before( async () => {
+    });
+
+    it("Mimc7 hash with 1 entry", () => {
+        const entries = [bigInt(12)];
+        const hash = mimcjs.multiHash(entries);
+        const hashHex = bytesToHex(bigIntToBuffer(hash));
+        expect(hashHex).to.be.equal("0x04252a243a23848a29fa5783336905f6394585fb38d0d89f16d36084c53cb73c");
+    });
+
+    it("Mimc7 hash with 2 entries", () => {
+        const entries = [bigInt(12), bigInt(45), bigInt(78), bigInt(41)];
+        const hi = mimcjs.multiHash(entries.slice(2));
+        const hiHex = bytesToHex(bigIntToBuffer(hi));
+        expect(hiHex).to.be.equal("0x1fd4bc970a697084ec1f83ecf81936d4a047e27c654752ddbc89f9ed1728e0ab");
+        const hv = mimcjs.multiHash(entries.slice(0, 2));
+        const hvHex = bytesToHex(bigIntToBuffer(hv));
+        expect(hvHex).to.be.equal("0x263924eb9ae730cea9ce31bb9ada695ec3525536b4c058813552b074db36ba9a");
+    });
+
+    it("Mimc7 hash with 4 entries", () => {
+        const entries = [bigInt(12), bigInt(45), bigInt(78), bigInt(41)];
+        const hash = mimcjs.multiHash(entries);
+        const hashHex = bytesToHex(bigIntToBuffer(hash));
+        expect(hashHex).to.be.equal("0x10e02cc6c8fc40cda121602903df911f6398d65f84ff1f27c680d0b7d85b7418");
+    });
+});

test/smttestvectors.js

@@ -36,17 +36,6 @@ describe("[sparse-merkle-tree] Javascript test", function () {
     before( async () => {
     });
 
-    it("Mimc7 hash", async () => {
-        const entries = [bigInt(12), bigInt(45), bigInt(78), bigInt(41)];
-        const hi = mimcjs.multiHash(entries.slice(2));
-        const hiHex = bytesToHex(bigIntToBuffer(hi));
-        expect(hiHex).to.be.equal("0x1fd4bc970a697084ec1f83ecf81936d4a047e27c654752ddbc89f9ed1728e0ab");
-        const hv = mimcjs.multiHash(entries.slice(0, 2));
-        const hvHex = bytesToHex(bigIntToBuffer(hv));
-        expect(hvHex).to.be.equal("0x263924eb9ae730cea9ce31bb9ada695ec3525536b4c058813552b074db36ba9a");
-    });
-
-
     it("Add one claim", async () => {
         const claim = [bigInt(12), bigInt(45), bigInt(78), bigInt(41)]; 
         const entries = newEntry(claim);