Add tests for installing into a completely clean virtual environment.

Author: mdboom

unit/test_clean_install.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# Tests that matplotlib can install into a completely clean virtual
+# environment.
+
+set -e
+cd ..
+rm -rf build
+rm -rf numpy*
+rm -rf python.tmp
+python unit/virtualenv.py python.tmp
+python.tmp/bin/python setup.py install
+python.tmp/bin/python -c "import matplotlib"
+rm -rf python.tmp
+
+# Tests that pip works
+
+rm -rf build
+rm -rf numpy*
+rm -rf python.tmp
+python unit/virtualenv.py python.tmp
+python.tmp/bin/pip install .
+python.tmp/bin/python -c "import matplotlib"
+rm -rf python.tmp