feat: server multi models support (#799)

api/tests/integration_tests/models/llm/test_openai_model.py

@@ -0,0 +1,80 @@
+import json
+import os
+from unittest.mock import patch
+
+from langchain.schema import Generation, ChatGeneration, AIMessage
+
+from core.model_providers.providers.openai_provider import OpenAIProvider
+from core.model_providers.models.entity.message import PromptMessage, MessageType
+from core.model_providers.models.entity.model_params import ModelKwargs
+from core.model_providers.models.llm.openai_model import OpenAIModel
+from models.provider import Provider, ProviderType
+
+
+def get_mock_provider(valid_openai_api_key):
+    return Provider(
+        id='provider_id',
+        tenant_id='tenant_id',
+        provider_name='openai',
+        provider_type=ProviderType.CUSTOM.value,
+        encrypted_config=json.dumps({'openai_api_key': valid_openai_api_key}),
+        is_valid=True,
+    )
+
+
+def get_mock_openai_model(model_name):
+    model_kwargs = ModelKwargs(
+        max_tokens=10,
+        temperature=0
+    )
+    model_name = model_name
+    valid_openai_api_key = os.environ['OPENAI_API_KEY']
+    openai_provider = OpenAIProvider(provider=get_mock_provider(valid_openai_api_key))
+    return OpenAIModel(
+        model_provider=openai_provider,
+        name=model_name,
+        model_kwargs=model_kwargs
+    )
+
+
+def decrypt_side_effect(tenant_id, encrypted_openai_api_key):
+    return encrypted_openai_api_key
+
+@patch('core.helper.encrypter.decrypt_token', side_effect=decrypt_side_effect)
+def test_get_num_tokens(mock_decrypt):
+    openai_model = get_mock_openai_model('text-davinci-003')
+    rst = openai_model.get_num_tokens([PromptMessage(content='you are a kindness Assistant.')])
+    assert rst == 6
+
+
+@patch('core.helper.encrypter.decrypt_token', side_effect=decrypt_side_effect)
+def test_chat_get_num_tokens(mock_decrypt):
+    openai_model = get_mock_openai_model('gpt-3.5-turbo')
+    rst = openai_model.get_num_tokens([
+        PromptMessage(type=MessageType.SYSTEM, content='you are a kindness Assistant.'),
+        PromptMessage(type=MessageType.HUMAN, content='Who is your manufacturer?')
+    ])
+    assert rst == 22
+
+
+@patch('core.helper.encrypter.decrypt_token', side_effect=decrypt_side_effect)
+def test_run(mock_decrypt):
+    openai_model = get_mock_openai_model('text-davinci-003')
+    rst = openai_model.run(
+        [PromptMessage(content='Human: Are you Human? you MUST only answer `y` or `n`? \nAssistant: ')],
+        stop=['\nHuman:'],
+    )
+    assert len(rst.content) > 0
+    assert rst.content.strip() == 'n'
+
+
+@patch('core.helper.encrypter.decrypt_token', side_effect=decrypt_side_effect)
+def test_chat_run(mock_decrypt):
+    openai_model = get_mock_openai_model('gpt-3.5-turbo')
+    messages = [PromptMessage(content='Human: Are you Human? you MUST only answer `y` or `n`? \nAssistant: ')]
+    rst = openai_model.run(
+        messages,
+        stop=['\nHuman:'],
+    )
+    assert len(rst.content) > 0
+    assert rst.content.strip() == 'n'