add simple mock assertions

Author: HugoDF

src/02.01-simple-mock-assertions.test.js

@@ -0,0 +1,16 @@
+import { test } from "node:test";
+import assert from "node:assert/strict";
+
+test("Simple mock assertions", (t) => {
+	const mockFn = t.mock.fn();
+
+	mockFn("call-arg-1", "call-arg-2");
+	assert.deepEqual(mockFn.mock.calls[0].arguments, [
+		"call-arg-1",
+		"call-arg-2",
+	]);
+	assert.equal(mockFn.mock.callCount(), 1);
+
+	mockFn("call-arg-3", "call-arg-4");
+	assert.equal(mockFn.mock.callCount(), 2);
+});