Add OCI(Oracle Cloud Infrastructure) Generative AI Service as a Model Provider (#7775)

Co-authored-by: Walter Jin <jinshuhaicc@gmail.com>
Co-authored-by: crazywoola <427733928@qq.com>
Co-authored-by: walter from vm <walter.jin@oracle.com>

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

@@ -0,0 +1,20 @@
+import os
+
+import pytest
+
+from core.model_runtime.errors.validate import CredentialsValidateFailedError
+from core.model_runtime.model_providers.oci.oci import OCIGENAIProvider
+
+
+def test_validate_provider_credentials():
+    provider = OCIGENAIProvider()
+
+    with pytest.raises(CredentialsValidateFailedError):
+        provider.validate_provider_credentials(credentials={})
+
+    provider.validate_provider_credentials(
+        credentials={
+            "oci_config_content": os.environ.get("OCI_CONFIG_CONTENT"),
+            "oci_key_content": os.environ.get("OCI_KEY_CONTENT"),
+        }
+    )