Use tox for test and coverage.

.coveragerc

@@ -0,0 +1,19 @@
+[run]
+branch = True
+source = grokcore.content
+
+[report]
+precision = 2
+omit = */interfaces.py
+       */interfaces/*
+       */tests.py
+       */tests/*
+
+[html]
+directory = htmlcov
+
+[paths]
+source =
+   src/grokcore/content
+   .tox/*/lib/python*/site-packages/grokcore/content
+

.gitignore

@@ -2,7 +2,12 @@
 __pycache__
 src/*.egg-info
 
+.coverage
+.coverage.*
 .installed.cfg
+.tox
 bin
+coverage.xml
 develop-eggs
+htmlcov/
 parts

setup.py

@@ -34,6 +34,7 @@ def read(*rnames):
     license='ZPL',
     install_requires=install_requires,
     tests_require=tests_require,
+    test_suite='grokcore.content.tests.collect_tests',
     extras_require={'test': tests_require},
     packages=find_packages('src'),
     package_dir={'': 'src'},

src/grokcore/content/tests/__init__.py

@@ -1 +1,16 @@
 # make this directory a package
+import grokcore.content.tests.test_container
+import grokcore.content.tests.test_container_event
+import grokcore.content.tests.test_orderedcontainer
+import grokcore.content.tests.test_verify_containers
+import unittest
+
+
+def collect_tests():
+    """Combine all test suites to have one entry point."""
+    return unittest.TestSuite((
+        grokcore.content.tests.test_container.test_suite(),
+        grokcore.content.tests.test_container_event.test_suite(),
+        grokcore.content.tests.test_orderedcontainer.test_suite(),
+        grokcore.content.tests.test_verify_containers.test_suite(),
+    ))

tox.ini

@@ -0,0 +1,28 @@
+[tox]
+envlist = coverage-clean, py27, py34, py35, coverage-report
+
+[testenv]
+commands =
+    coverage run setup.py test
+setenv =
+  COVERAGE_FILE=.coverage.{envname}
+deps =
+    coverage
+
+[testenv:coverage-clean]
+deps = coverage
+setenv =
+  COVERAGE_FILE=.coverage
+skip_install = true
+commands = coverage erase
+
+[testenv:coverage-report]
+deps = coverage
+setenv =
+  COVERAGE_FILE=.coverage
+skip_install = true
+commands =
+    coverage combine
+    coverage report
+    coverage html
+    coverage xml