From 1f9ebe926f4526284c5d3c179d60d35a24e3856a Mon Sep 17 00:00:00 2001
From: Daniel Weschke <daniel.weschke@directbox.de>
Date: Sat, 10 Jan 2026 17:37:04 +0100
Subject: [PATCH] add tests

---
 pyproject.toml          | 22 +++++++++++++++++-----
 src/fvr/geom.py         |  6 ++++--
 src/fvr/typing.py       |  5 ++---
 tests/test_structure.py | 20 ++++++++++++++++++++
 4 files changed, 43 insertions(+), 10 deletions(-)
 create mode 100644 tests/test_structure.py

diff --git a/pyproject.toml b/pyproject.toml
index 65ac971..12b09eb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,3 @@
-[build-system]
-requires = ["setuptools", "setuptools-scm"]
-build-backend = "setuptools.build_meta"
-
 [project]
 name = "fvr"
 dynamic = ["version"]
@@ -34,7 +30,7 @@ dependencies = [
 
 [project.optional-dependencies]
 docs = ["sphinx", "furo"]
-test = ["pytest"]
+test = ["pytest>=9.0"]
 dev = [
   # recursive optional dependencies
   "fvr[docs,test]",
@@ -51,6 +47,10 @@ dev = [
   # "pipdeptree",
 ]
 
+[build-system]
+requires = ["setuptools", "setuptools-scm"]
+build-backend = "setuptools.build_meta"
+
 [tool.setuptools.dynamic]
 version = {attr = "fvr.__version__"}
 
@@ -58,3 +58,15 @@ version = {attr = "fvr.__version__"}
 where = ["src"]
 include = ["fvr*"]
 # namespaces = false
+
+[tool.pytest]
+addopts = ["--doctest-modules", "--doctest-continue-on-failure"]
+testpaths = [
+  "tests",
+  "src/fvr",
+]
+filterwarnings = [
+  # "ignore::DeprecationWarning",
+  # in ezdxf/queryparser.py
+  "ignore:'.*' deprecated - use '.*':DeprecationWarning",
+]
diff --git a/src/fvr/geom.py b/src/fvr/geom.py
index e635181..085cfe1 100644
--- a/src/fvr/geom.py
+++ b/src/fvr/geom.py
@@ -25,8 +25,10 @@ class polygon:
     r"""Determine the area of a simple polygon.
 
     Example:
-      >>> fvr.geom.polygon([[0, 0], [0, 1], [1, 1], [1, 0]]).area
-      >>> fvr.geom.polygon('[[0, 0], [0, 1], [1, 1], [1, 0]]').area
+      >>> polygon([[0, 0], [0, 1], [1, 1], [1, 0]]).area
+      1.0
+      >>> polygon('[[0, 0], [0, 1], [1, 1], [1, 0]]').area
+      1.0
 
     Shoelace formula, Gauss's area formula, surveyor's formula
 
diff --git a/src/fvr/typing.py b/src/fvr/typing.py
index 37b4e22..1cad337 100644
--- a/src/fvr/typing.py
+++ b/src/fvr/typing.py
@@ -1,5 +1,4 @@
 from collections.abc import Sequence
-import numpy as np
-from numpy.typing import NDArray
+import numpy.typing
 
-type FloatArray = Sequence[float] | NDArray[np.float64]
+type FloatArray = Sequence[float] | numpy.typing.NDArray[numpy.float64]
diff --git a/tests/test_structure.py b/tests/test_structure.py
new file mode 100644
index 0000000..e71914e
--- /dev/null
+++ b/tests/test_structure.py
@@ -0,0 +1,20 @@
+"""Test of structure module.
+
+"""
+import unittest
+import fvr.structure
+
+class TestStructureBeam(unittest.TestCase):
+  def setUp(self):
+    self.obj = fvr.structure.beam(1, 2, 3, 4, 5)
+  def test_volume(self):
+    self.assertEqual(self.obj.V, 12, 'incorrect volume after creation')
+  def test_volume_a(self):
+    self.obj.A = 6
+    self.assertEqual(self.obj.V, 24, 'incorrect volume after changing A')
+  def test_volume_l(self):
+    self.obj.L = 7
+    self.assertEqual(self.obj.V, 21, 'incorrect volume after changing L')
+
+if __name__ == '__main__':
+  unittest.main()