Model Runtime (#1858)

Co-authored-by: StyleZhang <jasonapring2015@outlook.com>
Co-authored-by: Garfield Dai <dai.hai@foxmail.com>
Co-authored-by: chenhe <guchenhe@gmail.com>
Co-authored-by: jyong <jyong@dify.ai>
Co-authored-by: Joel <iamjoel007@gmail.com>
Co-authored-by: Yeuoly <admin@srmxy.cn>

api/tests/integration_tests/model_runtime/cohere/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.cohere.cohere import CohereProvider
+
+
+def test_validate_provider_credentials():
+    provider = CohereProvider()
+
+    with pytest.raises(CredentialsValidateFailedError):
+        provider.validate_provider_credentials(
+            credentials={}
+        )
+
+    provider.validate_provider_credentials(
+        credentials={
+            'api_key': os.environ.get('COHERE_API_KEY')
+        }
+    )

api/tests/integration_tests/model_runtime/cohere/test_rerank.py

@@ -0,0 +1,51 @@
+import os
+import pytest
+
+from core.model_runtime.entities.rerank_entities import RerankResult
+from core.model_runtime.errors.validate import CredentialsValidateFailedError
+from core.model_runtime.model_providers.cohere.rerank.rerank import CohereRerankModel
+
+
+def test_validate_credentials():
+    model = CohereRerankModel()
+
+    with pytest.raises(CredentialsValidateFailedError):
+        model.validate_credentials(
+            model='rerank-english-v2.0',
+            credentials={
+                'api_key': 'invalid_key'
+            }
+        )
+
+    model.validate_credentials(
+        model='rerank-english-v2.0',
+        credentials={
+            'api_key': os.environ.get('COHERE_API_KEY')
+        }
+    )
+
+
+def test_invoke_model():
+    model = CohereRerankModel()
+
+    result = model.invoke(
+        model='rerank-english-v2.0',
+        credentials={
+            'api_key': os.environ.get('COHERE_API_KEY')
+        },
+        query="What is the capital of the United States?",
+        docs=[
+            "Carson City is the capital city of the American state of Nevada. At the 2010 United States "
+            "Census, Carson City had a population of 55,274.",
+            "Washington, D.C. (also known as simply Washington or D.C., and officially as the District of Columbia) "
+            "is the capital of the United States. It is a federal district. The President of the USA and many major "
+            "national government offices are in the territory. This makes it the political center of the United "
+            "States of America."
+        ],
+        score_threshold=0.8
+    )
+
+    assert isinstance(result, RerankResult)
+    assert len(result.docs) == 1
+    assert result.docs[0].index == 1
+    assert result.docs[0].score >= 0.8