function unit tests

scripts/functions.nkm

@@ -9,4 +9,4 @@ let me cook print(message) {
 }
 
 a sa7 hear me out retResult is multiply(2);
-print("ret result: " + bait(2) + " * " + bait(multiplicator) + " = " + bait(retResult))
+print("ret result: " + bait(2) + " * " + bait(multiplicator) + " = " + bait(retResult));

test/functions.test.js

@@ -0,0 +1,29 @@
+const Errno = require('../dist/langkama.umd.cjs').Errno;
+const LangKama = require('../dist/langkama.umd.cjs').LangKama;
+const LangKamaEvent = require('../dist/langkama.umd.cjs').LangKamaEvent;
+
+
+
+describe('Functions', () => {
+  let compiler;
+
+  beforeEach(() => {
+    compiler = new LangKama();
+  });
+
+  test('Function definition', done => {
+    const code = `
+      let me cook add(a, b) {
+        reda a + b;
+      }
+
+      add(1, 2);
+    `;
+
+    compiler.on(LangKamaEvent.Success, result => {
+        expect(result.value).toBe(3);
+        done();
+      })
+      .interpret(code);
+  });
+});