test(parser): Added parser tests

tests/parser.test.ts

@@ -0,0 +1,32 @@
+import { describe, expect, test } from "bun:test";
+import { getProgram } from "./utils";
+import { ObjectDeclaration, VariableDeclaration } from "../src";
+
+describe("Parser", () => {
+
+    test("should return empty program on empty source code", () => {
+        const code = "";
+        const program = getProgram(code);
+
+        expect(program).toEqual({
+            type: "Program",
+            body: [],
+            position: {
+                line: 0,
+                character: 0
+            }
+        });
+    });
+
+    test("should parse object declaration", () => {
+        const code = "agent person 10 {}";
+        const program = getProgram(code);
+        expect(program.body).toHaveLength(1);
+    });
+
+    test("should parse multiple object declarations", () => {
+        const code = "agent person 10 {} agent building 5 {}";
+        const program = getProgram(code);
+        expect(program.body).toHaveLength(2);
+    });
+});