Prepare for test coverage metrics

.travis.yml

@@ -6,9 +6,11 @@ python:
   - 3.7
 
 # Command to install dependencies, e.g. pip install -r requirements.txt --use-mirrors
-install: pip install -U tox-travis
+install:
+  pip install -U tox-travis codecov
 
 # Command to run tests, e.g. python setup.py test
 script: tox
 
-
+after_success:
+  codecov

requirements_dev.txt

@@ -12,3 +12,6 @@ pytest==5.2.0
 pytest-runner==5.1
 
 sphinx-rtd-theme==0.4.0
+
+codecov==2.0.22
+pytest-cov==2.8.1

setup.cfg

@@ -23,3 +23,5 @@ test = pytest
 [tool:pytest]
 collect_ignore = ['setup.py']
 
+[coverage:run]
+source=tsplib95

tox.ini

@@ -12,6 +12,7 @@ deps = flake8
 commands = flake8 tsplib95
 
 [testenv]
+passenv = CI TRAVIS TRAVIS_*
 setenv =
     PYTHONPATH = {toxinidir}
 deps =
@@ -21,4 +22,5 @@ deps =
 ;     -r{toxinidir}/requirements.txt
 commands =
     pip install -U pip
-    pytest --basetemp={envtmpdir}
+    pytest --basetemp={envtmpdir} --cov
+    codecov