Create test_EscrowContract.js

blockchain_integration/pi_network/tests/test_EscrowContract.js

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+// tests/test_EscrowContract.js
+const { expect } = require("chai");
+const { ethers } = require("hardhat");
+
+describe("EscrowContract", function () {
+    let Escrow;
+    let escrow;
+    let owner;
+    let seller;
+    let buyer;
+    let arbiter;
+
+    beforeEach(async function () {
+        Escrow = await ethers.getContractFactory("EscrowContract");
+        [owner, seller, buyer, arbiter] = await ethers.getSigners();
+        escrow = await Escrow.deploy();
+        await escrow.deployed();
+    });
+
+    it("Should create an escrow", async function () {
+        const tx = await escrow.createEscrow(seller.address, arbiter.address, { value: ethers.utils.parseEther("1.0") });
+        await tx.wait();
+
+        const escrowDetails = await escrow.getEscrow(0);
+        expect(escrowDetails.seller).to.equal(seller.address);
+        expect(escrowDetails.arbiter).to.equal(arbiter.address);
+        expect(escrowDetails.amount.toString()).to.equal(ethers.utils.parseEther("1.0").toString());
+        expect(escrowDetails.isCompleted).to.be.false;
+    });
+
+    it("Should release funds to the seller", async function () {
+        await escrow.createEscrow(seller.address, arbiter.address, { value: ethers.utils.parseEther("1.0") });
+        await escrow.connect(arbiter).releaseFunds(0);
+
+        const escrowDetails = await escrow.getEscrow(0);
+        expect(escrowDetails.isCompleted).to.be.true;
+        expect(await ethers.provider.getBalance(seller.address)).to.be.above(0);
+    });
+
+    it("Should not allow non-arbiter to release funds", async function () {
+        await escrow.createEscrow(seller.address, arbiter.address, { value: ethers.utils.parseEther("1.0") });
+        await expect(escrow.connect(buyer).releaseFunds(0)).to.be.revertedWith("Only arbiter can release funds");
+    });
+
+    it("Should allow arbiter to refund the buyer", async function () {
+        await escrow.createEscrow(seller.address, arbiter.address, { value: ethers.utils.parseEther("1.0") });
+        await escrow.connect(arbiter).refund(0);
+
+        const escrowDetails = await escrow.getEscrow(0);
+        expect(escrowDetails.isCompleted).to.be.true;
+        expect(await ethers.provider.getBalance(buyer.address)).to.be.above(0);
+    });
+
+    it("Should not allow non-arbiter to refund", async function () {
+        await escrow.createEscrow(seller.address, arbiter.address, { value: ethers.utils.parseEther("1.0") });
+        await expect(escrow.connect(seller).refund(0)).to.be.revertedWith("Only arbiter can refund");
+    });
+
+    it("Should not allow releasing funds for an already completed escrow", async function () {
+        await escrow.createEscrow(seller.address, arbiter.address, { value: ethers.utils.parseEther("1.0") });
+        await escrow.connect(arbiter).releaseFunds(0);
+
+        await expect(escrow.connect(arbiter).releaseFunds(0)).to.be.revertedWith("Escrow already completed");
+    });
+});