Tune coverage reporting

Author: GaretJax

tox.ini

@@ -1,9 +1,17 @@
 [tox]
+# Having the .tox directory in the project directory slows down the
+# `pip install -e .` step required by `usedevelop = true` considerably.
+# By moving it out of the way, we trim test execution time by 80%.
+toxworkdir = {homedir}/.toxenvs/django-click
 envlist =
+    coverage_erase,
     {py27,py34,pypy19}-{dj15,dj16,dj17,dj18},
-    {py27,pypy19}-dj14
+    {py27,pypy19}-dj14,
+    flake8
+    coverage_report
 
 [testenv]
+usedevelop = true
 passenv = LC_ALL, LANG, LC_CTYPE
 deps =
     -rrequirements-test.txt
@@ -13,3 +21,15 @@ deps =
     dj17: django==1.7
     dj18: django==1.8
 commands = py.test -rxs --cov-report= --cov-append --cov djclick djclick
+
+[testenv:coverage_erase]
+commands = coverage erase
+deps = coverage
+
+[testenv:flake8]
+commands = flake8 djclick
+deps = flake8
+
+[testenv:coverage_report]
+commands = coverage html
+deps = coverage