From c9cffa27de01e24e43d377e0278d91d18d6622ec Mon Sep 17 00:00:00 2001
From: Yurii Motov <yurii.motov.monte@gmail.com>
Date: Thu, 27 Nov 2025 11:41:54 +0100
Subject: [PATCH] Add tests for variants of `settings/app3`, fix config and add
 pv1 version

---
 docs_src/settings/app03/config.py             |  5 +--
 docs_src/settings/app03/config_pv1.py         | 10 +++++
 docs_src/settings/app03_an_py39/config.py     |  5 +--
 docs_src/settings/app03_an_py39/config_pv1.py | 10 +++++
 .../test_tutorial/test_settings/test_app03.py | 45 +++++++++++++++++++
 5 files changed, 69 insertions(+), 6 deletions(-)
 create mode 100644 docs_src/settings/app03/config_pv1.py
 create mode 100644 docs_src/settings/app03_an_py39/config_pv1.py
 create mode 100644 tests/test_tutorial/test_settings/test_app03.py

diff --git a/docs_src/settings/app03/config.py b/docs_src/settings/app03/config.py
index 942aea3e5..08f8f88c2 100644
--- a/docs_src/settings/app03/config.py
+++ b/docs_src/settings/app03/config.py
@@ -1,4 +1,4 @@
-from pydantic_settings import BaseSettings
+from pydantic_settings import BaseSettings, SettingsConfigDict
 
 
 class Settings(BaseSettings):
@@ -6,5 +6,4 @@ class Settings(BaseSettings):
     admin_email: str
     items_per_user: int = 50
 
-    class Config:
-        env_file = ".env"
+    model_config = SettingsConfigDict(env_file=".env")
diff --git a/docs_src/settings/app03/config_pv1.py b/docs_src/settings/app03/config_pv1.py
new file mode 100644
index 000000000..e1c3ee300
--- /dev/null
+++ b/docs_src/settings/app03/config_pv1.py
@@ -0,0 +1,10 @@
+from pydantic import BaseSettings
+
+
+class Settings(BaseSettings):
+    app_name: str = "Awesome API"
+    admin_email: str
+    items_per_user: int = 50
+
+    class Config:
+        env_file = ".env"
diff --git a/docs_src/settings/app03_an_py39/config.py b/docs_src/settings/app03_an_py39/config.py
index 942aea3e5..08f8f88c2 100644
--- a/docs_src/settings/app03_an_py39/config.py
+++ b/docs_src/settings/app03_an_py39/config.py
@@ -1,4 +1,4 @@
-from pydantic_settings import BaseSettings
+from pydantic_settings import BaseSettings, SettingsConfigDict
 
 
 class Settings(BaseSettings):
@@ -6,5 +6,4 @@ class Settings(BaseSettings):
     admin_email: str
     items_per_user: int = 50
 
-    class Config:
-        env_file = ".env"
+    model_config = SettingsConfigDict(env_file=".env")
diff --git a/docs_src/settings/app03_an_py39/config_pv1.py b/docs_src/settings/app03_an_py39/config_pv1.py
new file mode 100644
index 000000000..e1c3ee300
--- /dev/null
+++ b/docs_src/settings/app03_an_py39/config_pv1.py
@@ -0,0 +1,10 @@
+from pydantic import BaseSettings
+
+
+class Settings(BaseSettings):
+    app_name: str = "Awesome API"
+    admin_email: str
+    items_per_user: int = 50
+
+    class Config:
+        env_file = ".env"
diff --git a/tests/test_tutorial/test_settings/test_app03.py b/tests/test_tutorial/test_settings/test_app03.py
new file mode 100644
index 000000000..e6dc450bd
--- /dev/null
+++ b/tests/test_tutorial/test_settings/test_app03.py
@@ -0,0 +1,45 @@
+import importlib
+from types import ModuleType
+
+import pytest
+from pytest import MonkeyPatch
+
+from ...utils import needs_py39, needs_pydanticv1, needs_pydanticv2
+
+
+@pytest.fixture(
+    name="mod_path",
+    params=[
+        pytest.param("app03"),
+        pytest.param("app03_an"),
+        pytest.param("app03_an_py39", marks=needs_py39),
+    ],
+)
+def get_mod_path(request: pytest.FixtureRequest):
+    mod_path = f"docs_src.settings.{request.param}"
+    return mod_path
+
+
+@pytest.fixture(name="main_mod")
+def get_main_mod(mod_path: str) -> ModuleType:
+    main_mod = importlib.import_module(f"{mod_path}.main")
+    return main_mod
+
+
+@needs_pydanticv2
+def test_settings(main_mod: ModuleType, monkeypatch: MonkeyPatch):
+    monkeypatch.setenv("ADMIN_EMAIL", "admin@example.com")
+    settings = main_mod.get_settings()
+    assert settings.app_name == "Awesome API"
+    assert settings.admin_email == "admin@example.com"
+    assert settings.items_per_user == 50
+
+
+@needs_pydanticv1
+def test_settings_pv1(mod_path: str, monkeypatch: MonkeyPatch):
+    monkeypatch.setenv("ADMIN_EMAIL", "admin@example.com")
+    config_mod = importlib.import_module(f"{mod_path}.config_pv1")
+    settings = config_mod.Settings()
+    assert settings.app_name == "Awesome API"
+    assert settings.admin_email == "admin@example.com"
+    assert settings.items_per_user == 50