test: common and worker runtime dependencies

common should only depend on pydantic and
worker runtime should only depend on pydantic and common

pyproject.toml

@@ -36,6 +36,7 @@ pytest = "^8.1.1"
 pytest-aiohttp = "^1.0.5"
 pytest-md = "^0.2.0"
 coverage = { extras = ["toml"], version = "^7.4.4" }
+pytest-archon = "^0.0.6"
 
 [tool.poetry.group.linter]
 dependencies = { ruff = "^0.6.3" }

tests/test_arch.py

@@ -0,0 +1,33 @@
+import sys
+
+from pytest_archon import archrule
+
+import questionpy_common
+import questionpy_server.worker.runtime
+
+STD_MODULES_PATTERN = [f"{module}*" for module in sys.stdlib_module_names]
+
+
+def test_questionpy_common_should_only_import_pydantic() -> None:
+    (
+        archrule("questionpy_common_should_only_import_pydantic")
+        .match("*")
+        .should_not_import("*")
+        .may_import(*STD_MODULES_PATTERN)
+        .may_import("pydantic*")
+        .may_import("questionpy_common*")
+        .check(questionpy_common)
+    )
+
+
+def test_questionpy_worker_runtime_should_only_import_pydantic_and_questionpy_common() -> None:
+    (
+        archrule("questionpy_worker_runtime_should_only_import_pydantic_and_questionpy_common")
+        .match("*")
+        .should_not_import("*")
+        .may_import(*STD_MODULES_PATTERN)
+        .may_import("pydantic*")
+        .may_import("questionpy_common*")
+        .may_import("questionpy_server.worker.runtime*")
+        .check(questionpy_server.worker.runtime)
+    )