unit test for unique filter

Author: kumaryash90

packages/sdk/test/evm/functions.test.ts

@@ -1,9 +1,10 @@
-import { SmartContract, Token } from "../../src/evm";
+import { SmartContract, Token, joinABIs } from "../../src/evm";
 import { sdk, signers } from "./before-setup";
 import { SignerWithAddress } from "@nomiclabs/hardhat-ethers/signers";
 import { TokenERC20__factory } from "@thirdweb-dev/contracts-js";
 import { getContract, getContractFromAbi } from "../../src";
 import { expect } from "chai";
+import { unique } from "../../src/evm/common/utils";
 
 describe("Functions", async () => {
   let adminWallet: SignerWithAddress;
@@ -52,4 +53,45 @@ describe("Functions", async () => {
     const balance = await contract.erc20.balance();
     expect(balance.displayValue).to.equal("0.0");
   });
+
+  it("check abi merge", async () => {
+    const abi = TokenERC20__factory.abi;
+    const joined = joinABIs([abi, abi, abi], abi);
+
+    expect(joined.length).to.equal(abi.length);
+
+    abi.forEach((n) => {
+      const index = joined.findIndex((m) => {
+        if (n.name) {
+          return (
+            n.name === m.name &&
+            n.type === m.type &&
+            n.inputs.length === m.inputs.length
+          );
+        } else {
+          return n.type === m.type && n.inputs.length === m.inputs.length;
+        }
+      });
+
+      expect(index).to.be.greaterThanOrEqual(0);
+    });
+  });
+
+  it("check unique filter", async () => {
+    const arrayOne = [1, 2, 3, 4];
+    const arrayTwo = [4, 3, 2, 1];
+    const arrayThree = [1, 2, 3, 4];
+    const arrayFour = [4, 2, 3, 1];
+
+    let merged: number[] = [];
+    merged.push(...arrayOne, ...arrayTwo, ...arrayThree, ...arrayFour);
+
+    const filtered = unique(merged, (a, b): boolean => a === b);
+
+    expect(filtered.length).to.equal(arrayOne.length);
+
+    arrayOne.forEach((n) => {
+      expect(filtered.includes(n)).to.be.true;
+    });
+  });
 });