Settings done right

app/lib/settings.py

@@ -3,6 +3,7 @@
 Take note of the environment variable prefixes required for each
 settings class, except `AppSettings`.
 """
+import sys
 from typing import Literal, Optional, Union
 
 __all__ = [
@@ -17,10 +18,11 @@ __all__ = [
 from pydantic import Extra
 from pydantic_settings import BaseSettings
 
+from const import ROOT_DIR
+
 
 class BaseEnvSettings(BaseSettings):
     class Config:
-        env_file = ".env"
         env_file_encoding = "utf-8"
         extra = Extra.ignore
 
@@ -89,12 +91,7 @@ class TestingSettings(BaseEnvSettings):
         env_prefix = "TESTS_"
         case_sensitive = True
 
-    DB_HOST: str = "localhost"
-    DB_PORT: int = 5432
     DB_TEMPLATE_NAME: str = "db-template-name"
-    DB_NAME: str = "test_db-name"
-    DB_USER: str = "db-user"
-    DB_PASSWORD: str = "db-password"
     DROP_DATABASE_BEFORE_TESTS: bool = True
     DROP_DATABASE_AFTER_TESTS: bool = True
 
@@ -117,11 +114,18 @@ class EmailSettings(BaseEnvSettings):
         case_sensitive = True
 
 
-# `.parse_obj()` thing is a workaround for pyright and pydantic interplay, see:
-# https://github.com/pydantic/pydantic/issues/3753#issuecomment-1087417884
-api = APISettings.parse_obj({})
-app = AppSettings.parse_obj({})
-db = DatabaseSettings.parse_obj({})
-openapi = OpenAPISettings.parse_obj({})
-server = ServerSettings.parse_obj({})
-testing = TestingSettings.parse_obj({})
+if "pytest" in sys.modules:
+    env_file = ROOT_DIR / ".env.testing"
+else:
+    env_file = ROOT_DIR / ".env"
+
+params = {
+    "_env_file": env_file,
+}
+
+api = APISettings(**params)
+app = AppSettings(**params)
+db = DatabaseSettings(**params)
+openapi = OpenAPISettings(**params)
+server = ServerSettings(**params)
+testing = TestingSettings(**params)