ci: fix coverage reporting (#408)

* ci: fix coverage reporting

Add "cov" tox factor, which should get used by tox-travis then.

* move --cov-append to tox factor

* use pypy-cov

* tox: add py37, py38 to envlist for tox-travis to use py37-cov

* add .codecov.yml to disable comments

.codecov.yml

@@ -0,0 +1,6 @@
+coverage:
+  status:
+    project: true
+    patch: true
+    changes: true
+comment: false

.coveragerc

@@ -0,0 +1,7 @@
+[run]
+source = .
+branch = true
+
+[report]
+show_missing = true
+include = pynvim/*,test/*

.travis.yml

@@ -31,5 +31,8 @@ script:
   - tox
 after_script:
   - if [ $CI_TARGET = tests ]; then
+      coverage report -m;
+      coverage xml;
+      bash <(curl --retry 5 --silent --fail https://codecov.io/bash) -f coverage.xml;
       ocular;
     fi

tox.ini

@@ -1,16 +1,21 @@
 [tox]
 envlist =
-  py{27,34,35,36}-{asyncio,pyuv},pypy
+  py{27,34,35,36,37,38}-{asyncio,pyuv}-cov,pypy-cov
   py36-docs
   checkqa
 
 [testenv]
 extras = test
 deps =
   pytest-timeout
+  cov: pytest-cov
   pyuv: pyuv
+setenv =
+  cov: PYTEST_ADDOPTS=--cov=. --cov-append {env:PYTEST_ADDOPTS:}
 passenv = PYTEST_ADDOPTS
-commands = python -m pytest {posargs}
+commands =
+  cov: coverage erase
+  python -m pytest {posargs}
 
 [testenv:checkqa]
 deps =