Phab: enable automatic test suite execution before creating a diff

Differential Revision: https://phab.qa.fedoraproject.org/D1113

.arcconfig

@@ -2,5 +2,6 @@
     "project_id" : "resultsdb",
     "conduit_uri" : "https://phab.qa.fedoraproject.org",
     "arc.land.onto.default" : "develop",
-    "arc.feature.start.default" : "develop"
+    "arc.feature.start.default" : "develop",
+    "unit.engine" : "PytestTestEngine"
 }

Makefile

@@ -34,10 +34,10 @@ TARGETDIST:=fc25
 BUILDTARGET=fedora-25-x86_64
 
 test: $(VENV)
-	sh -c "set -e; . $(VENV)/bin/activate; TEST='true' py.test --cov $(SRC) testing/; deactivate"
+	sh -c "set -e; . $(VENV)/bin/activate; TEST='true' py.test --cov $(SRC); deactivate"
 
 test-ci: $(VENV)
-	sh -c "set -e; . $(VENV)/bin/activate; TEST='true' py.test --cov-report xml --cov $(SRC) testing/; deactivate"
+	sh -c "set -e; . $(VENV)/bin/activate; TEST='true' py.test --cov-report xml --cov $(SRC); deactivate"
 
 pylint:
 	pylint -f parseable $(SRC) | tee pylint.out

README.md

@@ -50,6 +50,11 @@ depending on your local settings.
 
 ## Running test suite
 
-You can run this test suite with the following command::
+You can run this test suite with the following command (with virtualenv active)::
+
+    $ pytest
+
+or with this command (without virtualenv active)::
+
+    $ make test
 
-    $ py.test --functional testing/

tox.ini

@@ -0,0 +1,14 @@
+# This is a common file where different test suites/linters can be configured.
+# Phabricator uses this file when running `arc unit` or `arc lint`.
+
+[flake8]
+max-line-length=99
+
+[pep8]
+max-line-length=99
+
+[pytest]
+minversion=2.0
+python_functions=test should
+python_files=test_* functest_*
+addopts=--functional testing/