Support separate embedding base URL

surfsense_backend/tests/unit/config/test_embedding_settings.py

@@ -0,0 +1,76 @@
+import pytest
+
+from app.config.embedding_settings import (
+    build_embedding_kwargs,
+    resolve_embedding_base_url,
+)
+
+pytestmark = pytest.mark.unit
+
+
+def test_resolve_embedding_base_url_prefers_generic_value() -> None:
+    environ = {
+        "EMBEDDING_BASE_URL": " http://embed-host:11434 ",
+        "OLLAMA_EMBEDDING_BASE_URL": "http://ollama-embed:11434",
+    }
+
+    assert resolve_embedding_base_url(environ) == "http://embed-host:11434"
+
+
+def test_resolve_embedding_base_url_falls_back_to_ollama_specific_value() -> None:
+    environ = {
+        "EMBEDDING_BASE_URL": " ",
+        "OLLAMA_EMBEDDING_BASE_URL": "http://ollama-embed:11434",
+    }
+
+    assert resolve_embedding_base_url(environ) == "http://ollama-embed:11434"
+
+
+def test_build_embedding_kwargs_maps_base_url_to_litellm_api_base() -> None:
+    kwargs = build_embedding_kwargs(
+        {"EMBEDDING_BASE_URL": "http://host.docker.internal:11435"},
+        embedding_model="litellm://ollama/nomic-embed-text",
+    )
+
+    assert kwargs == {"api_base": "http://host.docker.internal:11435"}
+
+
+def test_build_embedding_kwargs_does_not_leak_api_base_to_other_providers() -> None:
+    kwargs = build_embedding_kwargs(
+        {"EMBEDDING_BASE_URL": "http://host.docker.internal:11435"},
+        embedding_model="cohere://embed-english-light-v3.0",
+    )
+
+    assert kwargs == {}
+
+
+def test_build_embedding_kwargs_preserves_azure_settings() -> None:
+    kwargs = build_embedding_kwargs(
+        {
+            "AZURE_OPENAI_ENDPOINT": "https://example.openai.azure.com",
+            "AZURE_OPENAI_API_KEY": "test-key",
+        },
+        embedding_model="azure_openai://text-embedding-3-small",
+    )
+
+    assert kwargs == {
+        "azure_endpoint": "https://example.openai.azure.com",
+        "azure_api_key": "test-key",
+    }
+
+
+def test_build_embedding_kwargs_combines_litellm_and_azure_env_when_set() -> None:
+    kwargs = build_embedding_kwargs(
+        {
+            "EMBEDDING_BASE_URL": "http://host.docker.internal:4000/v1",
+            "AZURE_OPENAI_ENDPOINT": "https://example.openai.azure.com",
+            "AZURE_OPENAI_API_KEY": "test-key",
+        },
+        embedding_model="litellm://openai/text-embedding-3-small",
+    )
+
+    assert kwargs == {
+        "api_base": "http://host.docker.internal:4000/v1",
+        "azure_endpoint": "https://example.openai.azure.com",
+        "azure_api_key": "test-key",
+    }