fix: Adding missing component decorator to AzureOpenAIGenerator (#7698)

* initial import

* adding release notes

* tests avoiding I/O operations

* Update fix-azure-generators-serialization-18fcdc9cbcb3732e.yaml

haystack/components/generators/azure.py

@@ -8,7 +8,7 @@ from typing import Any, Callable, Dict, Optional
 # pylint: disable=import-error
 from openai.lib.azure import AzureOpenAI
 
-from haystack import default_from_dict, default_to_dict, logging
+from haystack import component, default_from_dict, default_to_dict, logging
 from haystack.components.generators import OpenAIGenerator
 from haystack.dataclasses import StreamingChunk
 from haystack.utils import Secret, deserialize_callable, deserialize_secrets_inplace, serialize_callable
@@ -16,6 +16,7 @@ from haystack.utils import Secret, deserialize_callable, deserialize_secrets_inp
 logger = logging.getLogger(__name__)
 
 
+@component
 class AzureOpenAIGenerator(OpenAIGenerator):
     """
     A Generator component that uses OpenAI's large language models (LLMs) on Azure to generate text.

haystack/components/generators/chat/azure.py

@@ -8,7 +8,7 @@ from typing import Any, Callable, Dict, Optional
 # pylint: disable=import-error
 from openai.lib.azure import AzureOpenAI
 
-from haystack import default_from_dict, default_to_dict, logging
+from haystack import component, default_from_dict, default_to_dict, logging
 from haystack.components.generators.chat import OpenAIChatGenerator
 from haystack.dataclasses import StreamingChunk
 from haystack.utils import Secret, deserialize_callable, deserialize_secrets_inplace, serialize_callable
@@ -16,6 +16,7 @@ from haystack.utils import Secret, deserialize_callable, deserialize_secrets_inp
 logger = logging.getLogger(__name__)
 
 
+@component
 class AzureOpenAIChatGenerator(OpenAIChatGenerator):
     """
     A Chat Generator component that uses the Azure OpenAI API to generate text.

releasenotes/notes/fix-azure-generators-serialization-18fcdc9cbcb3732e.yaml

@@ -0,0 +1,4 @@
+---
+fixes:
+  - |
+    Azure generators components fixed, they were missing the `@component` decorator.

test/components/generators/chat/test_azure.py

@@ -6,6 +6,7 @@ import os
 import pytest
 from openai import OpenAIError
 
+from haystack import Pipeline
 from haystack.components.generators.chat import AzureOpenAIChatGenerator
 from haystack.components.generators.utils import print_streaming_chunk
 from haystack.dataclasses import ChatMessage
@@ -80,6 +81,15 @@ class TestOpenAIChatGenerator:
             },
         }
 
+    def test_pipeline_serialization_deserialization(self, tmp_path, monkeypatch):
+        monkeypatch.setenv("AZURE_OPENAI_API_KEY", "test-api-key")
+        generator = AzureOpenAIChatGenerator(azure_endpoint="some-non-existing-endpoint")
+        p = Pipeline()
+        p.add_component(instance=generator, name="generator")
+        p_str = p.dumps()
+        q = Pipeline.loads(p_str)
+        assert p.to_dict() == q.to_dict(), "Pipeline serialization/deserialization w/ AzureOpenAIChatGenerator failed."
+
     @pytest.mark.integration
     @pytest.mark.skipif(
         not os.environ.get("AZURE_OPENAI_API_KEY", None) and not os.environ.get("AZURE_OPENAI_ENDPOINT", None),

test/components/generators/test_azure.py

@@ -2,6 +2,8 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 import os
+
+from haystack import Pipeline
 from haystack.utils.auth import Secret
 
 import pytest
@@ -83,6 +85,15 @@ class TestAzureOpenAIGenerator:
             },
         }
 
+    def test_pipeline_serialization_deserialization(self, tmp_path, monkeypatch):
+        monkeypatch.setenv("AZURE_OPENAI_API_KEY", "test-api-key")
+        generator = AzureOpenAIGenerator(azure_endpoint="some-non-existing-endpoint")
+        p = Pipeline()
+        p.add_component(instance=generator, name="generator")
+        p_str = p.dumps()
+        q = Pipeline.loads(p_str)
+        assert p.to_dict() == q.to_dict(), "Pipeline serialization/deserialization with AzureOpenAIGenerator failed."
+
     @pytest.mark.integration
     @pytest.mark.skipif(
         not os.environ.get("AZURE_OPENAI_API_KEY", None) and not os.environ.get("AZURE_OPENAI_ENDPOINT", None),