(test) Run unit tests using pytest

Signed-off-by: NJames Myatt <james@jamesmyatt.co.uk>

.travis.yml

-sudo: false
-
-language: python
-
-python:
-  - 3.6
-  - 3.5
-  - 3.4
-  - 2.7
-
-install:
-  - echo No requirements
-
-script:
-  - make test
+sudo: false
+
+language: python
+
+python:
+  - 3.6
+  - 3.5
+  - 3.4
+  - 2.7
+
+install:
+  - pip install --disable-pip-version-check --upgrade pip
+  - pip install -r requirements.txt
+
+before_script:
+  - python ./setup.py develop
+
+script:
+  - py.test
+  - make -C test test

Makefile

@@ -9,7 +9,6 @@ all :
 install : all
 	python ./setup.py install --root=${DESTDIR}
 
-
 clean: clean-build clean-pyc clean-test ## remove all build, test, coverage and Python artifacts
 
 
@@ -32,6 +31,7 @@ clean-test: ## remove test and coverage artifacts
 	rm -fr htmlcov/
 
 test :
+	python setup.py test
 	$(MAKE) -C test test
 
 upload : test

requirements.txt

+pytest==3.0.7
+pytest-runner==2.11.1

setup.cfg

+[aliases]
+test=pytest

setup.py

 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+import sys
 from setuptools import setup, find_packages
 
-import sys
 sys.path.insert(0, 'src')
 from paho.mqtt import __version__
 
@@ -11,7 +11,8 @@ with open('README.rst') as readme_file:
     readme = readme_file.read()
 
 requirements = []
-test_requirements = []
+test_requirements = ['pytest']
+setup_requirements = ['pytest-runner']
 
 setup(
     name='paho-mqtt',
@@ -47,5 +48,6 @@ setup(
         'Topic :: Internet',
     ],
     test_suite='tests',
-    tests_require=test_requirements
+    tests_require=test_requirements,
+    setup_requires=setup_requirements
 )