Add test coverage computation and coveralls support.

.coveragerc

@@ -0,0 +1,6 @@
+[run]
+branch = True
+source = src
+
+[report]
+precision = 2

.gitignore

@@ -1,19 +1,25 @@
 *.egg-info
 *.py?
+.Python
+.coverage
+.coverage.*
 .installed*.cfg
 .mr.developer.cfg
 .tox
 /bin/
 /build/
-/develop/
 /develop-eggs/
+/develop/
 /dist/
+/docs/.build/
+/docs/_build/
 /eggs/
 /etc/
+/htmlcov/
 /include/
 /lib/
 /log/
 /parts/
 /var/
-/docs/_build/
-/docs/.build/
+coverage.xml
+pip-selfcheck.json

.travis.yml

@@ -9,11 +9,13 @@ install:
     - pip install -U setuptools==`grep setuptools versions.cfg | awk '{print $3}'`
     - pip install six==`grep '^six' versions-prod.cfg | awk '{print $3}'`
     - pip install zc.buildout==`grep '^zc.buildout' versions.cfg | awk '{print $3}'`
+    - pip install coveralls coverage
     - buildout bootstrap
     - buildout install test alltests
 script:
-    - bin/alltests -v
+    - coverage run bin/alltests -v
 after_success:
+    - coveralls
     # Bails out for non-tags
     - ./update_index.sh
 notifications:

tox.ini

@@ -1,12 +1,28 @@
 [tox]
-envlist = py27,py34,py35,py36
+envlist = py27,py34,py35,py36,coverage-report
 
 [testenv]
 commands =
     {envbindir}/buildout -c {toxinidir}/buildout.cfg buildout:directory={envdir} buildout:develop={toxinidir} bootstrap
     {envbindir}/buildout -c {toxinidir}/buildout.cfg buildout:directory={envdir} buildout:develop={toxinidir} install test alltests
-    {envbindir}/alltests []
+    coverage run {envbindir}/alltests []
 skip_install = true
 deps =
+    coverage
     setuptools==33.1.1
     zc.buildout
+setenv =
+    COVERAGE_FILE=.coverage.{envname}
+
+[testenv:coverage-report]
+basepython = python3.6
+deps = coverage
+setenv =
+    COVERAGE_FILE=.coverage
+skip_install = true
+commands =
+    coverage erase
+    coverage combine
+    coverage html -i
+    coverage xml -i
+    coverage report -i --fail-under=79