api root path to config and add basic test

ragna/deploy/_api/core.py

@@ -41,7 +41,7 @@ def get_component(display_name: str) -> Component:
     app = FastAPI(
         title="ragna",
         version=ragna.__version__,
-        root_path=os.environ.get("RAGNA_API_ROOT_PATH", ""),
+        root_path=config.api.root_path,
     )
     app.add_middleware(
         CORSMiddleware,

ragna/deploy/_config.py

@@ -60,6 +60,7 @@ class ApiConfig(ConfigBase):
     # FIXME: this needs to be dynamic for the UI url
     origins: list[str] = ["http://127.0.0.1:31477"]
     database_url: str = "memory"
+    root_path: str = ""
 
 
 class UiConfig(ConfigBase):

tests/test_js_utils.py

@@ -4,6 +4,11 @@
 
 
 def test_preformat_basic():
+    output = preformat("{ This is awesome {{var}} }")
+    assert output == "{{ This is awesome {var} }}"
+
+
+def test_preformat_basic_fmt():
     output = preformat("{ This is awesome {{var}} }").format(var="test")
     assert output == "{ This is awesome test }"