FIX: Add simple test

CHANGELOG

@@ -2,6 +2,8 @@
 
 - Fix loading packages from capitalised package on Windows
   Patch by Thomas Kluyver
+- Add option to suppress printing of coverage report
+  Patch by Eric Larson.
 
 1.3.6
 
@@ -32,8 +34,6 @@
 
 1.3.3
 
-- Add option to suppress printing of coverage report
-  Patch by Eric Larson.
 - Fixed a minor issue with the reported version number.
 
 1.3.2

nose/plugins/cover.py

@@ -146,6 +146,10 @@ def configure(self, options, conf):
         if options.cover_xml:
             self.coverXmlFile = options.cover_xml_file
             log.debug('Will put XML coverage report in %s', self.coverXmlFile)
+        # Coverage uses True to mean default
+        self.coverConfigFile = True
+        if options.cover_config_file:
+            self.coverConfigFile = options.cover_config_file
         self.coverPrint = not options.cover_no_print
         if self.enabled:
             self.status['active'] = True
@@ -156,7 +160,18 @@ def configure(self, options, conf):
             self.coverInstance.is_worker = conf.worker
             self.coverInstance.exclude('#pragma[: ]+[nN][oO] [cC][oO][vV][eE][rR]')
 
-    def begin(self):
+            log.debug("Coverage begin")
+            self.skipModules = sys.modules.keys()[:]
+            if self.coverErase:
+                log.debug("Clearing previously collected coverage statistics")
+                self.coverInstance.combine()
+                self.coverInstance.erase()
+
+            if not self.coverInstance.is_worker:
+                self.coverInstance.load()
+                self.coverInstance.start()
+
+    def beforeTest(self, *args, **kwargs):
         """
         Begin recording coverage information.
         """
@@ -174,7 +189,6 @@ def afterTest(self, *args, **kwargs):
             self.coverInstance.stop()
             self.coverInstance.save()
 
-
     def report(self, stream):
         """
         Output code coverage report.

unit_tests/test_cover_plugin.py

@@ -1,10 +1,8 @@
 import os
-import sys
 from optparse import OptionParser
 from nose.config import Config
 from nose.plugins.cover import Coverage
 from nose.tools import eq_
-import unittest
 
 
 class TestCoveragePlugin(object):
@@ -14,6 +12,11 @@ def test_cover_options_packages(self):
                              ['pkg1', 'pkg2', 'pkg3'], [],
                              'pkg1,pkg2,pkg3', 'NOSE_COVER_PACKAGE')
 
+    def test_cover_options_noprint(self):
+        _test_options_helper('--cover-no-print', 'coverPrint',
+                             False, True,
+                             env_key='NOSE_COVER_NO_PRINT')
+
     def test_cover_options_erase(self):
         _test_options_helper('--cover-erase', 'coverErase',
                              True, False,
@@ -63,6 +66,7 @@ def get_config_files(cov_info):
         finally:
             os.unlink('not_default_config_file')
 
+
 def _test_options_helper(arg_option, cover_option,
                          expected_set, expected_not_set,
                          arg_value=None, env_key=None):