fix: update assistants components and add integrations tests (#3887)

* fixes and integrations tests

* [autofix.ci] apply automated fixes

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

src/backend/base/langflow/components/astra_assistants/__init__.py

@@ -1,4 +1,6 @@
 from .create_assistant import AssistantsCreateAssistant
+from .create_thread import AssistantsCreateThread
+from .dotenv import Dotenv
 from .get_assistant import AssistantsGetAssistantName
 from .list_assistants import AssistantsListAssistants
 from .run import AssistantsRun
@@ -8,6 +10,8 @@ __all__ = [
     "AssistantsCreateAssistant",
     "AssistantsGetAssistantName",
     "AssistantsListAssistants",
+    "AssistantsCreateThread",
     "AssistantsRun",
     "GetEnvVar",
+    "Dotenv",
 ]

src/backend/base/langflow/components/astra_assistants/create_assistant.py

@@ -10,6 +10,7 @@ class AssistantsCreateAssistant(Component):
     icon = "bot"
     display_name = "Create Assistant"
     description = "Creates an Assistant and returns it's id"
+    client = patch(OpenAI())
 
     inputs = [
         StrInput(
@@ -45,8 +46,7 @@ class AssistantsCreateAssistant(Component):
 
     def process_inputs(self) -> Message:
         print(f"env_set is {self.env_set}")
-        client = patch(OpenAI())
-        assistant = client.beta.assistants.create(
+        assistant = self.client.beta.assistants.create(
             name=self.assistant_name,
             instructions=self.instructions,
             model=self.model,

src/backend/base/langflow/components/astra_assistants/create_thread.py

@@ -9,6 +9,7 @@ from langflow.template import Output
 class AssistantsCreateThread(Component):
     display_name = "Create Assistant Thread"
     description = "Creates a thread and returns the thread id"
+    client = patch(OpenAI())
 
     inputs = [
         MultilineInput(
@@ -23,9 +24,7 @@ class AssistantsCreateThread(Component):
     ]
 
     def process_inputs(self) -> Message:
-        client = patch(OpenAI())
-
-        thread = client.beta.threads.create()
+        thread = self.client.beta.threads.create()
         thread_id = thread.id
 
         message = Message(text=thread_id)

src/backend/base/langflow/components/astra_assistants/get_assistant.py

@@ -10,6 +10,7 @@ from langflow.template import Output
 class AssistantsGetAssistantName(Component):
     display_name = "Get Assistant name"
     description = "Assistant by id"
+    client = patch(OpenAI())
 
     inputs = [
         StrInput(
@@ -29,7 +30,6 @@ class AssistantsGetAssistantName(Component):
     ]
 
     def process_inputs(self) -> Message:
-        patch(OpenAI())
         assistant = self.client.beta.assistants.retrieve(
             assistant_id=self.assistant_id,
         )

src/backend/base/langflow/components/astra_assistants/list_assistants.py

@@ -9,14 +9,14 @@ from langflow.template.field.base import Output
 class AssistantsListAssistants(Component):
     display_name = "List Assistants"
     description = "Returns a list of assistant id's"
+    client = patch(OpenAI())
 
     outputs = [
         Output(display_name="Assistants", name="assistants", method="process_inputs"),
     ]
 
     def process_inputs(self) -> Message:
-        patch(OpenAI())
-        assistants = self.client.beta.assistants.list()
+        assistants = self.client.beta.assistants.list().data
         id_list = [assistant.id for assistant in assistants]
         message = Message(
             # get text from list

src/backend/base/langflow/components/astra_assistants/run.py

@@ -13,6 +13,7 @@ from langflow.template import Output
 class AssistantsRun(Component):
     display_name = "Run Assistant"
     description = "Executes an Assistant Run against a thread"
+    client = patch(OpenAI())
 
     def update_build_config(
         self,

src/backend/base/langflow/template/template/base.py

@@ -56,6 +56,9 @@ class Template(BaseModel):
                     _input = Input(**value)
 
                 data["fields"].append(_input)
+        # Handles components with no inputs
+        if "fields" not in data:
+            data["fields"] = []
         return cls(**data)
 
     # For backwards compatibility

src/backend/tests/integration/components/assistants/test_assistants_components.py

@@ -0,0 +1,72 @@
+import pytest
+
+from tests.integration.utils import run_single_component
+
+
+async def test_list_assistants():
+    from langflow.components.astra_assistants import AssistantsListAssistants
+
+    results = await run_single_component(
+        AssistantsListAssistants,
+        inputs={},
+    )
+    assert results["assistants"].text is not None
+
+
+@pytest.mark.api_key_required
+@pytest.mark.asyncio
+async def test_create_assistants():
+    from langflow.components.astra_assistants import AssistantsCreateAssistant
+
+    results = await run_single_component(
+        AssistantsCreateAssistant,
+        inputs={
+            "assistant_name": "artist-bot",
+            "instructions": "reply only with ascii art",
+            "model": "gpt-4o-mini",
+        },
+    )
+    assistant_id = results["assistant_id"].text
+    assert assistant_id is not None
+    await test_list_assistants()
+    await get_assistant_name(assistant_id)
+    thread_id = await test_create_thread()
+    await run_assistant(assistant_id, thread_id)
+
+
+async def test_create_thread():
+    from langflow.components.astra_assistants import AssistantsCreateThread
+
+    results = await run_single_component(
+        AssistantsCreateThread,
+        inputs={},
+    )
+    thread_id = results["thread_id"].text
+    assert thread_id is not None
+    return thread_id
+
+
+async def get_assistant_name(assistant_id):
+    from langflow.components.astra_assistants import AssistantsGetAssistantName
+
+    results = await run_single_component(
+        AssistantsGetAssistantName,
+        inputs={
+            "assistant_id": assistant_id,
+        },
+    )
+    assert results["assistant_name"].text is not None
+
+
+async def run_assistant(assistant_id, thread_id):
+    from langflow.components.astra_assistants import AssistantsRun
+
+    results = await run_single_component(
+        AssistantsRun,
+        inputs={
+            "assistant_id": assistant_id,
+            "user_message": "hello",
+            "thread_id": thread_id,
+        },
+    )
+    assert results["assistant_response"].text is not None