Run coverage on travis

requirements/testing.txt

@@ -5,6 +5,7 @@ pytest==3.7.4
 pytest-django==3.4.2
 pytest-describe==0.11.1
 pytest-xdist==1.23.0
+pytest-coverage
 apipkg==1.5
 execnet==1.5.0
 

tox.ini

@@ -6,7 +6,7 @@ skipsdist = True
 [travis]
 python =
     2.7: py27
-    3.6: py36
+    3.6: py36, coverage
 
 [testenv]
 description = run test suite for the application with {basepython}
@@ -19,7 +19,7 @@ setenv =
 deps = -r{toxinidir}/requirements/testing.txt
 changedir = {toxinidir}/readthedocs
 commands =
-    py.test {posargs}
+    py.test --cov-report= --cov-config {toxinidir}/.coveragerc --cov=. {posargs}
 
 [testenv:docs]
 description = build readthedocs documentation
@@ -54,11 +54,8 @@ commands =
 
 [testenv:coverage]
 description = run test suite with code coverage for the application with {basepython}
-deps =
-    -r{toxinidir}/requirements/testing.txt
-    pytest-cov
+deps = coverage
 whitelist_externals = echo
 commands =
-    py.test --disable-pytest-warnings \
-        --cov-report=term --cov-report=html --cov-config {toxinidir}/.coveragerc --cov=.  {posargs}
+    coverage report --show-missing --fail-under=79
     echo Annotated HTML coverage report is in {toxinidir}/readthedocs/htmlcov/index.html