[tests] shift from unittest to pytest

CHANGELOG.rst

@@ -4,6 +4,7 @@ Changelog
 
 Forthcoming
 -----------
+* [tests] moved from unittest to pytest
 * ...
 
 1.2.1 (2019-10-08)

package.xml

@@ -21,25 +21,7 @@
 
   <build_depend>python3-setuptools</build_depend>
 
-  <!-- ach, autodoc is a beast, it shouldn't need these (there is a PR going in upstream for autodoc) -->
-  <!--
-  <doc_depend>actionlib</doc_depend>
-  <doc_depend>actionlib_msgs</doc_depend>
-  <doc_depend>dynamic_reconfigure</doc_depend>
-  <doc_depend>geometry_msgs</doc_depend>
-  <doc_depend>move_base_msgs</doc_depend>
-  <doc_depend>nav_msgs</doc_depend>
-  <doc_depend>python-catkin-pkg</doc_depend>
-  <doc_depend>python-rospkg</doc_depend>
-  <doc_depend>py_trees</doc_depend>
-  <doc_depend>py_trees_msgs</doc_depend>
-  <doc_depend>rosbag</doc_depend>
-  <doc_depend>rospy</doc_depend>
-  <doc_depend>sensor_msgs</doc_depend>
-  <doc_depend>std_msgs</doc_depend>
-  <doc_depend>unique_id</doc_depend>
-  <doc_depend>unique_identifier_msgs</doc_depend>
-  -->
+  <test_depend>python3-pytest</test_depend>
 
   <doc_depend>python3-sphinx</doc_depend>
   <doc_depend>python3-sphinx-argparse</doc_depend>

setup.cfg

@@ -1,2 +1,5 @@
 [pep8]
 max-line-length=299
+
+[aliases]
+test=pytest

tests/README.md

@@ -1,15 +1,12 @@
-# Tests
-
-Make sure you source the environment to run tests.
-
-## Executing Tests
+# Executing Tests
 
 ```bash
-# run all tests will full stdout
-$ python3 -m unittest discover
+# run all tests in the current directory
+$ pytest-3
+# run all tests with full stdout (-s / --capture=no)
+$ pytest-3 -s
 # run a single test
-$ cd tests && python3 ./test_action_client.py
-# step back and run from setup.py (what colcon does)
+$ pytest-3 -s test_alakazam.py
+# run using setuptools
 $ python3 setup.py test
 ```
-