Add marshmallow as a test requirement, and fix pytest setup

ACKNOWLEDGEMENTS.md

@@ -45,6 +45,7 @@ Code Contributors
 - Trevor Bekolay (@tbekolay)
 - Elijah Wilson (@tizz98)
 - Chelsea Dole (@chelseadole)
+- Antti Kaihola (@akaihola)
 
 Documenters
 ===================

CHANGELOG.md

@@ -14,6 +14,7 @@ Changelog
 =========
 
 ### 2.4.4 - TBD
+- Fix running tests using `python setup.py test`
 - Documented the `multiple_files` example
 
 ### 2.4.3 [hotfix] - March 17, 2019

setup.cfg

@@ -6,4 +6,10 @@ ignore = F401,F403,E502,E123,E127,E128,E303,E713,E111,E241,E302,E121,E261,W391,E
 max-line-length = 120
 
 [metadata]
-license_file = LICENSE
+license_file = LICENSE
+
+[aliases]
+test=pytest
+
+[tool:pytest]
+addopts = tests

setup.py

@@ -26,27 +26,11 @@
 from os import path
 
 from setuptools import Extension, setup
-from setuptools.command.test import test as TestCommand
-
-
-class PyTest(TestCommand):
-    extra_kwargs = {'tests_require': ['pytest', 'mock']}
-
-    def finalize_options(self):
-        TestCommand.finalize_options(self)
-        self.test_args = []
-        self.test_suite = True
-
-    def run_tests(self):
-        import pytest
-        sys.exit(pytest.main())
-
 
 MYDIR = path.abspath(os.path.dirname(__file__))
 CYTHON = False
 JYTHON = 'java' in sys.platform
 
-cmdclass = {'test': PyTest}
 ext_modules = []
 
 try:
@@ -109,7 +93,8 @@ def list_modules(dirname):
     packages=['hug'],
     requires=['falcon', 'requests'],
     install_requires=['falcon==1.4.1', 'requests'],
-    cmdclass=cmdclass,
+    setup_requires=['pytest-runner'],
+    tests_require=['pytest', 'mock', 'marshmallow'],
     ext_modules=ext_modules,
     python_requires=">=3.4",
     keywords='Web, Python, Python3, Refactoring, REST, Framework, RPC',
@@ -126,6 +111,5 @@ def list_modules(dirname):
         'Programming Language :: Python :: 3.7',
         'Topic :: Software Development :: Libraries',
         'Topic :: Utilities'
-    ],
-    **PyTest.extra_kwargs
+    ]
 )