add dummy test

contracts/test/MerkleTreeWithHistory.test.js

@@ -0,0 +1,71 @@
+const should = require('chai')
+  .use(require('bn-chai')(web3.utils.BN))
+  .use(require('chai-as-promised'))
+.should()
+
+const { toWei, toBN } = require('web3-utils')
+const { takeSnapshot, revertSnapshot, increaseTime } = require('../scripts/ganacheHelper');
+
+const MerkleTreeWithHistory = artifacts.require('./MerkleTreeWithHistoryMock.sol')
+const MiMC = artifacts.require('./MiMC.sol')
+
+function BNArrayToStringArray(array) {
+  const arrayToPrint = []
+  array.forEach(item => {
+    arrayToPrint.push(item.toString())
+  })
+  return arrayToPrint
+}
+
+contract('MerkleTreeWithHistory', async accounts => {
+  let merkleTreeWithHistory
+  let miMC
+  const sender = accounts[0]
+  const emptyAddress = '0x0000000000000000000000000000000000000000'
+  const levels = 5
+  const zeroValue = 1337
+  let snapshotId
+
+  before(async () => {
+    miMC = MiMC.deployed()
+    await MerkleTreeWithHistory.link(MiMC, miMC.address);
+    merkleTreeWithHistory = await MerkleTreeWithHistory.new(levels, zeroValue)
+    snapshotId = await takeSnapshot()
+  })
+
+  describe('#constuctor', async () => {
+    it('should initialize', async () => {
+      const filled_subtrees = await merkleTreeWithHistory.filled_subtrees()
+      console.log('filled_subtrees', BNArrayToStringArray(filled_subtrees))
+      const root = await merkleTreeWithHistory.getLastRoot()
+      console.log('root', root.toString())
+      filled_subtrees[0].should.be.eq.BN(zeroValue)
+      const zeros = await merkleTreeWithHistory.zeros()
+      // console.log('zeros', BNArrayToStringArray(zeros))
+      zeros[0].should.be.eq.BN(zeroValue)
+      const roots = await merkleTreeWithHistory.roots()
+      // console.log('roots', BNArrayToStringArray(roots))
+    })
+  })
+
+  describe('#insert', async () => {
+    it('should insert', async () => {
+      let filled_subtrees
+      let root
+
+      for (i = 1; i < 11; i++) {
+        await merkleTreeWithHistory.insert(i)
+        filled_subtrees = await merkleTreeWithHistory.filled_subtrees()
+        console.log('filled_subtrees', BNArrayToStringArray(filled_subtrees))
+        root = await merkleTreeWithHistory.getLastRoot()
+        console.log('root', root.toString())
+      }
+
+    })
+  })
+
+  afterEach(async () => {
+    await revertSnapshot(snapshotId.result)
+    snapshotId = await takeSnapshot()
+  })
+})