-

Author: OskarStark

tests/Chain/InputProcessor/SystemPromptInputProcessorTest.php

@@ -69,15 +69,31 @@ public function processInputDoesNotAddSystemMessageWhenOneExists(): void
     }
 
     #[Test]
-    public function needsToolboxToBeAbleToIncludeToolDefinitions(): void
+    public function doesNotIncludeToolsIfToolboxIsEmpty(): void
     {
-        $this->expectException(\InvalidArgumentException::class);
-        $this->expectExceptionMessage('Tool definitions cannot be included without a ToolBox.');
-
-        new SystemPromptInputProcessor(
+        $processor = new SystemPromptInputProcessor(
             'This is a system prompt',
-            toolBox: null,
+            new class implements ToolBoxInterface {
+                public function getMap(): array
+                {
+                    return [];
+                }
+
+                public function execute(ToolCall $toolCall): mixed
+                {
+                    return null;
+                }
+            }
         );
+
+        $input = new Input(new GPT(), new MessageBag(Message::ofUser('This is a user message')), []);
+        $processor->processInput($input);
+
+        $messages = $input->messages->getMessages();
+        self::assertCount(2, $messages);
+        self::assertInstanceOf(SystemMessage::class, $messages[0]);
+        self::assertInstanceOf(UserMessage::class, $messages[1]);
+        self::assertSame('This is a system prompt', $messages[0]->content);
     }
 
     #[Test]