📝 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_limit_and_offset/test_tutorial001_py310.py

@@ -0,0 +1,35 @@
+from unittest.mock import patch
+
+from sqlmodel import create_engine
+
+from ...conftest import get_testing_print_function, needs_py310
+
+expected_calls = [
+    [
+        [
+            {"id": 1, "name": "Deadpond", "secret_name": "Dive Wilson", "age": None},
+            {
+                "id": 2,
+                "name": "Spider-Boy",
+                "secret_name": "Pedro Parqueador",
+                "age": None,
+            },
+            {"id": 3, "name": "Rusty-Man", "secret_name": "Tommy Sharp", "age": 48},
+        ]
+    ]
+]
+
+
+@needs_py310
+def test_tutorial(clear_sqlmodel):
+    from docs_src.tutorial.offset_and_limit 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()
+    assert calls == expected_calls

tests/test_tutorial/test_limit_and_offset/test_tutorial002_py310.py

@@ -0,0 +1,35 @@
+from unittest.mock import patch
+
+from sqlmodel import create_engine
+
+from ...conftest import get_testing_print_function, needs_py310
+
+expected_calls = [
+    [
+        [
+            {
+                "id": 4,
+                "name": "Tarantula",
+                "secret_name": "Natalia Roman-on",
+                "age": 32,
+            },
+            {"id": 5, "name": "Black Lion", "secret_name": "Trevor Challa", "age": 35},
+            {"id": 6, "name": "Dr. Weird", "secret_name": "Steve Weird", "age": 36},
+        ]
+    ]
+]
+
+
+@needs_py310
+def test_tutorial(clear_sqlmodel):
+    from docs_src.tutorial.offset_and_limit 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()
+    assert calls == expected_calls

tests/test_tutorial/test_limit_and_offset/test_tutorial003_py310.py

@@ -0,0 +1,33 @@
+from unittest.mock import patch
+
+from sqlmodel import create_engine
+
+from ...conftest import get_testing_print_function, needs_py310
+
+expected_calls = [
+    [
+        [
+            {
+                "id": 7,
+                "name": "Captain North America",
+                "secret_name": "Esteban Rogelios",
+                "age": 93,
+            }
+        ]
+    ]
+]
+
+
+@needs_py310
+def test_tutorial(clear_sqlmodel):
+    from docs_src.tutorial.offset_and_limit 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()
+    assert calls == expected_calls

tests/test_tutorial/test_limit_and_offset/test_tutorial004_py310.py

@@ -0,0 +1,27 @@
+from unittest.mock import patch
+
+from sqlmodel import create_engine
+
+from ...conftest import get_testing_print_function, needs_py310
+
+
+@needs_py310
+def test_tutorial(clear_sqlmodel):
+    from docs_src.tutorial.offset_and_limit 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()
+    assert calls == [
+        [
+            [
+                {"name": "Dr. Weird", "secret_name": "Steve Weird", "age": 36, "id": 6},
+                {"name": "Rusty-Man", "secret_name": "Tommy Sharp", "age": 48, "id": 3},
+            ]
+        ]
+    ]