move coverage code from tests.py to makefile

makefile

@@ -0,0 +1,17 @@
+
+help:
+	@echo "jsonpointer"
+	@echo "Makefile targets"
+	@echo " - test: run tests"
+	@echo " - coverage: run tests with coverage"
+	@echo
+	@echo "To install jsonpointer, type"
+	@echo "  python setup.py install"
+	@echo
+
+test:
+	python tests.py
+
+coverage:
+	coverage run --source=jsonpointer tests.py
+	coverage report -m

tests.py

@@ -62,45 +62,18 @@ class ComparisonTests(unittest.TestCase):
         self.assertNotEqual(hash(p1), hash(p3))
         self.assertNotEqual(hash(p2), hash(p3))
 
-
-
-
-modules = ['jsonpointer']
-coverage_modules = []
-
 suite = unittest.TestSuite()
 suite.addTest(unittest.makeSuite(SpecificationTests))
 suite.addTest(unittest.makeSuite(ComparisonTests))
 
+modules = ['jsonpointer']
+
 for module in modules:
     m = __import__(module, fromlist=[module])
-    coverage_modules.append(m)
     suite.addTest(doctest.DocTestSuite(m))
 
 runner = unittest.TextTestRunner(verbosity=1)
-
-try:
-    import coverage
-except ImportError:
-    coverage = None
-
-if coverage is not None:
-    coverage.erase()
-    coverage.start()
-
 result = runner.run(suite)
 
 if not result.wasSuccessful():
     sys.exit(1)
-
-if coverage is not None:
-    coverage.stop()
-    coverage.report(coverage_modules)
-    coverage.erase()
-
-if coverage is None:
-    sys.stderr.write("""
-No coverage reporting done (Python module "coverage" is missing)
-Please install the python-coverage package to get coverage reporting.
-""")
-    sys.stderr.flush()