Add coverage to tox.ini

Fail test if coverage goes below 80% for files under plugin/vimliq

Author: kristopher-h

plugin/tests/test_clientmanager.py

@@ -47,7 +47,7 @@ def test_ClientManager_add_client(
     assert not client_manager.clients
     client_manager.add_client()
     assert client_manager.clients["python"]
-    mock_.assert_called_once_with(expected, "trans")
+    mock_.assert_called_once_with(expected, "trans", use_signs=False)
     mock_().start_server.assert_called_once_with()
 
 

plugin/tox.ini

@@ -1,6 +1,6 @@
 [tox]
 skipsdist=True
-envlist = py27,py34,py36,lint
+envlist = py27,py34,py36,lint,coverage
 skip_missing_interpreters=True
 
 [testenv]
@@ -20,3 +20,12 @@ commands =
         install_lsp_servers.py
 deps =
     flake8
+
+[testenv:coverage]
+basepython = python
+commands =
+    py.test --cov-fail-under 80 --cov vimliq tests/
+deps =
+    pytest
+    mock
+    pytest-cov