Add novita.ai as model provider (#4961)

api/tests/integration_tests/model_runtime/novita/test_llm.py

@@ -0,0 +1,123 @@
+import os
+from collections.abc import Generator
+
+import pytest
+
+from core.model_runtime.entities.llm_entities import LLMResult, LLMResultChunk, LLMResultChunkDelta
+from core.model_runtime.entities.message_entities import (
+    AssistantPromptMessage,
+    PromptMessageTool,
+    SystemPromptMessage,
+    UserPromptMessage,
+)
+from core.model_runtime.errors.validate import CredentialsValidateFailedError
+from core.model_runtime.model_providers.novita.llm.llm import NovitaLargeLanguageModel
+
+
+def test_validate_credentials():
+    model = NovitaLargeLanguageModel()
+
+    with pytest.raises(CredentialsValidateFailedError):
+        model.validate_credentials(
+            model='meta-llama/llama-3-8b-instruct',
+            credentials={
+                'api_key': 'invalid_key',
+                'mode': 'chat'
+            }
+        )
+
+    model.validate_credentials(
+        model='meta-llama/llama-3-8b-instruct',
+        credentials={
+            'api_key': os.environ.get('NOVITA_API_KEY'),
+            'mode': 'chat'
+        }
+    )
+
+
+def test_invoke_model():
+    model = NovitaLargeLanguageModel()
+
+    response = model.invoke(
+        model='meta-llama/llama-3-8b-instruct',
+        credentials={
+            'api_key': os.environ.get('NOVITA_API_KEY'),
+            'mode': 'completion'
+        },
+        prompt_messages=[
+            SystemPromptMessage(
+                content='You are a helpful AI assistant.',
+            ),
+            UserPromptMessage(
+                content='Who are you?'
+            )
+        ],
+        model_parameters={
+            'temperature': 1.0,
+            'top_p': 0.5,
+            'max_tokens': 10,
+        },
+        stop=['How'],
+        stream=False,
+        user="novita"
+    )
+
+    assert isinstance(response, LLMResult)
+    assert len(response.message.content) > 0
+
+
+def test_invoke_stream_model():
+    model = NovitaLargeLanguageModel()
+
+    response = model.invoke(
+        model='meta-llama/llama-3-8b-instruct',
+        credentials={
+            'api_key': os.environ.get('NOVITA_API_KEY'),
+            'mode': 'chat'
+        },
+        prompt_messages=[
+            SystemPromptMessage(
+                content='You are a helpful AI assistant.',
+            ),
+            UserPromptMessage(
+                content='Who are you?'
+            )
+        ],
+        model_parameters={
+            'temperature': 1.0,
+            'top_k': 2,
+            'top_p': 0.5,
+            'max_tokens': 100
+        },
+        stream=True,
+        user="novita"
+    )
+
+    assert isinstance(response, Generator)
+
+    for chunk in response:
+        assert isinstance(chunk, LLMResultChunk)
+        assert isinstance(chunk.delta, LLMResultChunkDelta)
+        assert isinstance(chunk.delta.message, AssistantPromptMessage)
+
+
+def test_get_num_tokens():
+    model = NovitaLargeLanguageModel()
+
+    num_tokens = model.get_num_tokens(
+        model='meta-llama/llama-3-8b-instruct',
+        credentials={
+            'api_key': os.environ.get('NOVITA_API_KEY'),
+        },
+        prompt_messages=[
+            SystemPromptMessage(
+                content='You are a helpful AI assistant.',
+            ),
+            UserPromptMessage(
+                content='Hello World!'
+            )
+        ]
+    )
+
+    assert isinstance(num_tokens, int)
+    assert num_tokens == 21

api/tests/integration_tests/model_runtime/novita/test_provider.py

@@ -0,0 +1,21 @@
+import os
+
+import pytest
+
+from core.model_runtime.errors.validate import CredentialsValidateFailedError
+from core.model_runtime.model_providers.novita.novita import NovitaProvider
+
+
+def test_validate_provider_credentials():
+    provider = NovitaProvider()
+
+    with pytest.raises(CredentialsValidateFailedError):
+        provider.validate_provider_credentials(
+            credentials={}
+        )
+
+    provider.validate_provider_credentials(
+        credentials={
+            'api_key': os.environ.get('NOVITA_API_KEY'),
+        }
+    )