[tests] Add setup_tests.py

Change-Id: Iebaebe2757ae0797b4347f04efdfdb03c6a32f56
---
M docs/tests_ref/index.rst
A docs/tests_ref/setup_tests.rst
M setup.py
A tests/setup_tests.py
4 files changed, 92 insertions(+), 8 deletions(-)

diff --git a/docs/tests_ref/index.rst b/docs/tests_ref/index.rst
index cfa85bc..7340817 100644
--- a/docs/tests_ref/index.rst
+++ b/docs/tests_ref/index.rst
@@ -112,6 +112,7 @@
     protectbot<./protectbot_tests>
     pwb<./pwb_tests>
     script<./script_tests>
+    setup<./setup_tests>
     redirect_bot<./redirect_bot_tests>
     reflinks<./reflinks_tests>
     replacebot<./replacebot_tests>
diff --git a/docs/tests_ref/setup_tests.rst b/docs/tests_ref/setup_tests.rst
new file mode 100644
index 0000000..0f91e3d
--- /dev/null
+++ b/docs/tests_ref/setup_tests.rst
@@ -0,0 +1,8 @@
+*************************
+tests.setup\_tests module
+*************************
+
+.. automodule:: tests.setup_tests
+    :members:
+    :undoc-members:
+    :show-inheritance:
diff --git a/setup.py b/setup.py
index fd8bd4b..6be3e15 100755
--- a/setup.py
+++ b/setup.py
@@ -29,6 +29,7 @@
 import os
 import re
 import sys
+from contextlib import suppress
 
 
 if sys.version_info[:3] >= (3, 9):
@@ -135,7 +136,7 @@
     """
     version = metadata.__version__
     if 'sdist' not in sys.argv:
-        return version  # pragma: no cover
+        return version
 
     # validate version for sdist
     from contextlib import suppress
@@ -146,12 +147,12 @@
     try:
         tags = run(['git', 'tag'], check=True, stdout=PIPE,
                    universal_newlines=True).stdout.splitlines()
-    except Exception as e:  # pragma: no cover
+    except Exception as e:
         print(e)
         sys.exit('Creating source distribution canceled.')
 
     last_tag = None
-    if tags:  # pragma: no cover
+    if tags:
         for tag in ('stable', 'python2'):
             with suppress(ValueError):
                 tags.remove(tag)
@@ -161,16 +162,16 @@
     warning = ''
     try:
         vrsn = Version(version)
-    except InvalidVersion:  # pragma: no cover
+    except InvalidVersion:
         warning = f'{version} is not a valid version string following PEP 440.'
     else:
         if last_tag and vrsn <= Version(last_tag):
-            warning = (  # pragma: no cover
+            warning = (
                 f'New version {version!r} is not higher than last version '
                 f'{last_tag!r}.'
             )
 
-    if warning:  # pragma: no cover
+    if warning:
         print(__doc__)
         print('\n\n{warning}')
         sys.exit('\nBuild of distribution package canceled.')
@@ -200,7 +201,7 @@
     return ''.join(desc)
 
 
-def get_packages(name) -> List[str]:
+def get_packages(name: str) -> List[str]:
     """Find framework packages."""
     try:
         from setuptools import find_namespace_packages
@@ -208,10 +209,12 @@
         sys.exit(
             'setuptools >= 40.1.0 is required to create a new distribution.')
     packages = find_namespace_packages(include=[name + '.*'])
+    with suppress(ValueError):
+        packages.remove(name + '.apicache-py3')
     return [str(name)] + packages
 
 
-def main() -> None:
+def main() -> None:  # pragma: no cover
     """Setup entry point."""
     from setuptools import setup
 
diff --git a/tests/setup_tests.py b/tests/setup_tests.py
new file mode 100644
index 0000000..d03ede0
--- /dev/null
+++ b/tests/setup_tests.py
@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+"""Test setup.py.
+
+.. versionadded:: 9.0
+"""
+#
+# (C) Pywikibot team, 2024
+#
+# Distributed under the terms of the MIT license.
+#
+from __future__ import annotations
+
+import unittest
+
+import pywikibot
+import setup
+
+from tests.aspects import TestCase
+
+
+class TestSetup(TestCase):
+
+    """Test setup.py functions."""
+
+    site = False
+    net = False
+
+    def test_get_validated_version(self):
+        """Test :func:`setup.get_validated_version` function."""
+        self.assertEqual(setup.get_validated_version(), pywikibot.__version__)
+
+    def test_read_desc(self):
+        """Test :func:`setup.read_desc` function."""
+        desc = setup.read_desc('README.rst')
+        coc = setup.read_desc('CODE_OF_CONDUCT.rst')
+        self.assertIn(coc, desc)
+
+    def test_get_pywikibot_packages(self):
+        """Test :func:`setup.get_packages` function for pywikibot."""
+        name = 'pywikibot'
+        packages = setup.get_packages(name)
+        self.assertEqual(packages[0], name)
+        self.assertIn(name + '.scripts', packages)
+        self.assertLength(packages, 14)
+
+    def test_get_tests_packages(self):
+        """Test :func:`setup.get_packages` function for tests."""
+        name = 'tests'
+        packages = setup.get_packages(name)
+        self.assertEqual(packages[0], name)
+        self.assertIn(name + '.data', packages)
+        self.assertLength(packages, 10)
+
+    def test_get_scripts_packages(self):
+        """Test :func:`setup.get_packages` function for scripts."""
+        name = 'scripts'
+        packages = setup.get_packages(name)
+        self.assertEqual(packages[0], name)
+        self.assertIn(name + '.userscripts', packages)
+
+
+if __name__ == '__main__':  # pragma: no cover
+    unittest.main()

