Add test

tests/services/test_service_init.py

@@ -4,6 +4,7 @@ from marker.converters.pdf import PdfConverter
 from marker.services.gemini import GoogleGeminiService
 from marker.services.ollama import OllamaService
 from marker.services.vertex import GoogleVertexService
+from marker.services.openai import OpenAIService
 
 
 @pytest.mark.output_format("markdown")
@@ -38,4 +39,10 @@ def test_llm_vertex(pdf_converter: PdfConverter, temp_doc):
 @pytest.mark.config({"page_range": [0], "use_llm": True, "llm_service": "marker.services.ollama.OllamaService"})
 def test_llm_ollama(pdf_converter: PdfConverter, temp_doc):
     assert pdf_converter.artifact_dict["llm_service"] is not None
-    assert isinstance(pdf_converter.llm_service, OllamaService)
+    assert isinstance(pdf_converter.llm_service, OllamaService)
+
+@pytest.mark.output_format("markdown")
+@pytest.mark.config({"page_range": [0], "use_llm": True, "llm_service": "marker.services.openai.OpenAIService", "openai_api_key": "test"})
+def test_llm_ollama(pdf_converter: PdfConverter, temp_doc):
+    assert pdf_converter.artifact_dict["llm_service"] is not None
+    assert isinstance(pdf_converter.llm_service, OpenAIService)