Coverage tracking for the test suite.

If you issue `make test`, it will run the tests and print out a coverage
reporting indicating what lines of code were covered by the tests and which
were not.  This will (hopefully) be useful more over time as we start to write
more tests.

.coveragerc

@@ -0,0 +1,5 @@
+[run]
+
+omit =
+    /usr/lib/*
+    tests/*

.gitignore

@@ -1,3 +1,4 @@
 *.pyc
 *.pyo
 tests/test.py
+.coverage

Makefile

@@ -63,6 +63,9 @@ clean:
 git-clean:
 	@git clean -d -q -x
 
+test:
+	nosetests --with-coverage --cover-package .
+
 subdirs:
 	for d in $(SUBDIRS); do make -C $$d; [ $$? = 0 ] || exit 1; done
 

tests/runtests.py

@@ -1,32 +0,0 @@
-#!/usr/bin/python
-
-"""Wrapper script for running unit tests"""
-
-__version__ = "$Revision: 1.1 $"
-
-import sys
-import os
-import os.path
-import unittest
-
-testDir = os.path.dirname(sys.argv[0])
-
-sys.path.insert(0, os.path.abspath('%s/..' % testDir))
-
-allTests = unittest.TestSuite()
-for root, dirs, files in os.walk(testDir):
-    common_path = os.path.commonprefix([os.path.abspath(testDir),
-                                        os.path.abspath(root)])
-    root_path = os.path.abspath(root).replace(common_path, '').lstrip('/').replace('/', '.')
-
-    for test_file in [item for item in files
-                      if item.startswith("test_") and item.endswith(".py")]:
-        if len(sys.argv) == 1 or test_file in sys.argv[1:]:
-            print "adding %s..." % test_file
-            test_file = test_file[:-3]
-            if root_path:
-                test_file = "%s.%s" % (root_path, test_file)
-            suite = unittest.defaultTestLoader.loadTestsFromName(test_file)
-            allTests.addTests(suite._tests)
-
-unittest.TextTestRunner(verbosity=2).run(allTests)