Collect coverage info from all configurations on tox run

tox.ini

@@ -1,28 +1,56 @@
 [tox]
-envlist = {py33,py34}-{debug,release}-{cython,pure}, flake8
+
+envlist = check, {py33,py34}-{debug,release}-{cython,pure}, reportcov
 
 [testenv]
+
 deps =
     nose
     coverage
     gunicorn
     chardet
     cython: cython
+
 commands =
-    nosetests {posargs}
+    coverage run -m nose {posargs}
+    mv .coverage .coverage.{envname}
+
 setenv =
     debug: PYTHONASYNCIODEBUG = 1
     release: PYTHONASYNCIODEBUG = 0
     pure: AIOHTTP+NO_EXTENSIONS=1
     cython: AIOHTTP+NO_EXTENSIONS=0
+
 basepython:
     py33: python3.3
     py34: python3.4
 
-[testenv:flake8]
+whitelist_externals =
+    coverage
+    mv
+
+[testenv:check]
+
 deps =
+    wheel
     flake8
+    coverage
+
 commands =
     flake8 aiohttp examples tests
+    python setup.py check -rm
+    coverage erase
+
+basepython:
+    python3
+
+[testenv:reportcov]
+
+commands =
+    coverage combine
+    coverage report
+    coverage html
+    echo "open file://{toxinidir}/coverage/index.html"
+
 basepython:
-    python3
+    python3