Help for testing

Makefile

@@ -1,3 +1,5 @@
+
+
 pre:
 	virtualenv .
 	bin/pip install -r requirements.txt
@@ -9,3 +11,32 @@ pre:
 	check-manifest
 	pyroma .
 	viewdoc
+
+clean:
+	python setup.py clean
+	rm PIL/*.so || true
+	find . -name __pycache__ | xargs rm -r
+
+install:
+	python setup.py install
+	python selftest.py --installed
+
+test: install
+	python test-installed.py
+
+inplace: clean
+	python setup.py build_ext --inplace
+
+coverage: 
+# requires nose-cov
+	coverage erase
+	coverage run --parallel-mode --include=PIL/* selftest.py
+	nosetests --with-cov --cov='PIL/' --cov-report=html Tests/test_*.py
+# doesn't combine properly before report, 
+# writing report instead of displaying invalid report
+	rm -r htmlcov || true
+	coverage combine
+	coverage report
+
+test-dep:
+	pip install coveralls nose nose-cov pep8 pyflakes