📝 Add source examples for Python 3.9 and 3.10 (#715)

* 📝 Add source examples for Python 3.9 and 3.10

* ✅ Add tests for new source examples for Python 3.9 and 3.10, still needs pytest markers

* ✅ Add tests for fastapi examples

* ✅ Update tests for FastAPI app testing, for Python 3.9 and 3.10, fixing multi-app testing conflicts

* ✅ Require Python 3.9 and 3.10 for tests

* ✅ Update tests with missing markers

tests/test_tutorial/test_select/test_tutorial001_py310_tutorial002_py310.py

@@ -0,0 +1,57 @@
+from typing import Any, Dict, List, Union
+from unittest.mock import patch
+
+from sqlmodel import create_engine
+
+from ...conftest import get_testing_print_function, needs_py310
+
+
+def check_calls(calls: List[List[Union[str, Dict[str, Any]]]]):
+    assert calls[0][0] == {
+        "name": "Deadpond",
+        "secret_name": "Dive Wilson",
+        "age": None,
+        "id": 1,
+    }
+    assert calls[1][0] == {
+        "name": "Spider-Boy",
+        "secret_name": "Pedro Parqueador",
+        "age": None,
+        "id": 2,
+    }
+    assert calls[2][0] == {
+        "name": "Rusty-Man",
+        "secret_name": "Tommy Sharp",
+        "age": 48,
+        "id": 3,
+    }
+
+
+@needs_py310
+def test_tutorial_001(clear_sqlmodel):
+    from docs_src.tutorial.select import tutorial001_py310 as mod
+
+    mod.sqlite_url = "sqlite://"
+    mod.engine = create_engine(mod.sqlite_url)
+    calls = []
+
+    new_print = get_testing_print_function(calls)
+
+    with patch("builtins.print", new=new_print):
+        mod.main()
+    check_calls(calls)
+
+
+@needs_py310
+def test_tutorial_002(clear_sqlmodel):
+    from docs_src.tutorial.select import tutorial002_py310 as mod
+
+    mod.sqlite_url = "sqlite://"
+    mod.engine = create_engine(mod.sqlite_url)
+    calls = []
+
+    new_print = get_testing_print_function(calls)
+
+    with patch("builtins.print", new=new_print):
+        mod.main()
+    check_calls(calls)

tests/test_tutorial/test_select/test_tutorial003_py310_tutorial004_py310.py

@@ -0,0 +1,59 @@
+from typing import Any, Dict, List, Union
+from unittest.mock import patch
+
+from sqlmodel import create_engine
+
+from ...conftest import get_testing_print_function, needs_py310
+
+
+def check_calls(calls: List[List[Union[str, Dict[str, Any]]]]):
+    assert calls[0][0] == [
+        {
+            "name": "Deadpond",
+            "secret_name": "Dive Wilson",
+            "age": None,
+            "id": 1,
+        },
+        {
+            "name": "Spider-Boy",
+            "secret_name": "Pedro Parqueador",
+            "age": None,
+            "id": 2,
+        },
+        {
+            "name": "Rusty-Man",
+            "secret_name": "Tommy Sharp",
+            "age": 48,
+            "id": 3,
+        },
+    ]
+
+
+@needs_py310
+def test_tutorial_003(clear_sqlmodel):
+    from docs_src.tutorial.select import tutorial003_py310 as mod
+
+    mod.sqlite_url = "sqlite://"
+    mod.engine = create_engine(mod.sqlite_url)
+    calls = []
+
+    new_print = get_testing_print_function(calls)
+
+    with patch("builtins.print", new=new_print):
+        mod.main()
+    check_calls(calls)
+
+
+@needs_py310
+def test_tutorial_002(clear_sqlmodel):
+    from docs_src.tutorial.select import tutorial004_py310 as mod
+
+    mod.sqlite_url = "sqlite://"
+    mod.engine = create_engine(mod.sqlite_url)
+    calls = []
+
+    new_print = get_testing_print_function(calls)
+
+    with patch("builtins.print", new=new_print):
+        mod.main()
+    check_calls(calls)