Framework

test/Test.php

@@ -11,11 +11,16 @@ require '../src/entryPoint.php';
 
 class Test extends TestCase
 {
-    public function testShouldReturnMessageID(): void
+    public function testShouldNotNULLMessageID0(): void
     {
-        $this->assertEquals(
-            '0',
+        $this->assertNotNull(
             reply_user('whatever', 0, 'whatever')
         );
     }
+    public function testShouldNULLMessageID1(): void
+    {
+        $this->assertNull(
+            reply_user('whatever', 1, 'whatever')
+        );
+    }
 }