Initial release: async repository layer over SQLModel

tests/test_settings.py

@@ -0,0 +1,47 @@
+import pytest
+from pydantic import ValidationError
+
+from metaorm import DatabaseSettings
+
+
+class TestDatabaseSettings:
+    def test_default_values(self) -> None:
+        settings = DatabaseSettings()
+
+        assert settings.dsn == "sqlite+aiosqlite:///db.sqlite3"
+        assert settings.pool_size == 5
+        assert settings.pool_recycle == 60
+        assert settings.pool_timeout == 60
+
+    def test_custom_values(self) -> None:
+        settings = DatabaseSettings(
+            dsn="postgresql+asyncpg://user:pass@localhost/db",
+            pool_size=10,
+            pool_recycle=120,
+            pool_timeout=30,
+        )
+
+        assert settings.dsn == "postgresql+asyncpg://user:pass@localhost/db"
+        assert settings.pool_size == 10
+        assert settings.pool_recycle == 120
+        assert settings.pool_timeout == 30
+
+    def test_dsn_must_match_pattern(self) -> None:
+        with pytest.raises(ValidationError):
+            DatabaseSettings(dsn="invalid_dsn")
+
+    @pytest.mark.parametrize(
+        "field_name,invalid_value",
+        [
+            ("pool_size", 0),
+            ("pool_recycle", 0),
+            ("pool_timeout", 0),
+        ],
+    )
+    def test_integer_fields_must_be_greater_or_equal_one(
+        self,
+        field_name: str,
+        invalid_value: int,
+    ) -> None:
+        with pytest.raises(ValidationError):
+            DatabaseSettings(**{field_name: invalid_value})