Lab 1

test/Counter.ts

@@ -0,0 +1,45 @@
+import assert from "node:assert/strict";
+import { describe, it } from "node:test";
+
+import { network } from "hardhat";
+
+describe("Counter", async function () {
+  const { viem } = await network.connect();
+  const publicClient = await viem.getPublicClient();
+
+  it("The value should match the sum of the increments", async function () {
+    const counter = await viem.deployContract("Counter");
+
+    await counter.write.inc();
+
+    // run a series of increments
+    // 3+...+10 = 52
+    for (let i = 3n; i <= 10n; i++) {
+      await counter.write.incBy([i]);
+    }
+
+    
+    // read the value
+    const value = await counter.read.x();
+
+    assert.equal(value, 1n + 52n);
+  });
+
+
+  it("Demo reading from a public client with Viem", async function () {
+    const counter = await viem.deployContract("Counter");
+
+    await counter.write.inc();
+    await counter.write.inc();
+    await counter.write.inc();
+
+    // read the value
+    const value = await publicClient.readContract({
+      address: counter.address,
+      abi: counter.abi,
+      functionName: "x",
+    });
+
+    assert.equal(value, 3n);
+  });
+});