test: add test_orm.py

Author: NightMarcher

README.md

@@ -2,7 +2,7 @@
 
 Installed as package by `pip install fastapi-efficient-sql`
 
-Install developing requirements by `pipenv install --skip-lock --dev`
+Install developing requirements by `pipenv install --skip-lock --dev` or `pip install -r requirements-dev.txt`
 
 Run unittest by `pytest -sv`
 

tests/test_orm.py

@@ -0,0 +1,33 @@
+from unittest import TestCase
+
+from tortoise import fields
+
+from examples.service.models.demo import Account
+from fastapi_esql import AppMetaclass, BaseManager, BaseModel
+
+
+class DemoMetaclass(AppMetaclass):
+
+    def get_ro_conn(self):
+        return None
+
+
+class TestOrm(TestCase):
+    def test_no_model(self):
+        with self.assertRaises(NotImplementedError):
+            class AccountMgr(BaseManager, metaclass=DemoMetaclass):
+                ...
+
+    def test_model_without_table(self):
+        with self.assertRaises(NotImplementedError):
+            class MyModel(BaseModel):
+                id = fields.IntField(pk=True)
+
+            class AccountMgr(BaseManager, metaclass=DemoMetaclass):
+                model = MyModel
+
+    def test_no_conn(self):
+        with self.assertRaises(NotImplementedError):
+            class AccountMgr(BaseManager, metaclass=DemoMetaclass):
+                model = Account
+            AccountMgr.rw_conn