tests/test_index.py    |  1 +
 tests/test_locators.py | 10 ++++++++++
 tests/test_util.py     |  1 +
 3 files changed, 12 insertions(+)

diff --git a/tests/test_index.py b/tests/test_index.py
index a188816..dbef670 100644
--- a/tests/test_index.py
+++ b/tests/test_index.py
@@ -290,6 +290,7 @@ class PackageIndexTestCase(unittest.TestCase):
         self.assertRaises(DistlibException, self.index.download_file, url, fn,
                           digest[:-1] + '8')
 
+    @unittest.skipIf('SKIP_ONLINE' in os.environ, 'Skipping online tests')
     def test_search(self):
         self.index = PackageIndex()
         result = self.index.search({'name': 'tatterdema'})
diff --git a/tests/test_locators.py b/tests/test_locators.py
index de97541..436ea9d 100644
--- a/tests/test_locators.py
+++ b/tests/test_locators.py
@@ -29,6 +29,7 @@ PYPI_WEB_HOST = os.environ.get('PYPI_WEB_HOST', 'https://pypi.python.org/simple/
 class LocatorTestCase(unittest.TestCase):
 
     @unittest.skipIf('SKIP_SLOW' in os.environ, 'Skipping slow test')
+    @unittest.skipIf('SKIP_ONLINE' in os.environ, 'Skipping online tests')
     def test_xmlrpc(self):
         locator = PyPIRPCLocator(PYPI_RPC_HOST)
         try:
@@ -53,6 +54,7 @@ class LocatorTestCase(unittest.TestCase):
         self.assertGreater(len(names), 25000)
 
     @unittest.skipIf('SKIP_SLOW' in os.environ, 'Skipping slow test')
+    @unittest.skipIf('SKIP_ONLINE' in os.environ, 'Skipping online tests')
     def test_json(self):
         locator = PyPIJSONLocator(PYPI_RPC_HOST)
         result = locator.get_project('sarge')
@@ -69,6 +71,7 @@ class LocatorTestCase(unittest.TestCase):
         self.assertRaises(NotImplementedError, locator.get_distribution_names)
 
     @unittest.skipIf('SKIP_SLOW' in os.environ, 'Skipping slow test')
+    @unittest.skipIf('SKIP_ONLINE' in os.environ, 'Skipping online tests')
     def test_scraper(self):
         locator = SimpleScrapingLocator('https://pypi.python.org/simple/')
         for name in ('sarge', 'Sarge'):
@@ -88,6 +91,7 @@ class LocatorTestCase(unittest.TestCase):
         self.assertGreater(len(names), 25000)
 
     @unittest.skipIf('SKIP_SLOW' in os.environ, 'Skipping slow test')
+    @unittest.skipIf('SKIP_ONLINE' in os.environ, 'Skipping online tests')
     def test_unicode_project_name(self):
         # Just checking to see that no exceptions are raised.
         NAME = '\u2603'
@@ -166,6 +170,7 @@ class LocatorTestCase(unittest.TestCase):
             sys.path.pop(0)
 
     @unittest.skipIf('SKIP_SLOW' in os.environ, 'Skipping slow test')
+    @unittest.skipIf('SKIP_ONLINE' in os.environ, 'Skipping online tests')
     def test_aggregation(self):
         d = os.path.join(HERE, 'fake_archives')
         loc1 = DirectoryLocator(d)
@@ -201,6 +206,7 @@ class LocatorTestCase(unittest.TestCase):
         n2 = loc2.get_distribution_names()
         self.assertEqual(locator.get_distribution_names(), n1 | n2)
 
+    @unittest.skipIf('SKIP_ONLINE' in os.environ, 'Skipping online tests')
     def test_dependency_finder(self):
         locator = AggregatingLocator(
             JSONLocator(),
@@ -280,6 +286,7 @@ class LocatorTestCase(unittest.TestCase):
         for url1, url2 in cases:
             self.assertEqual(default_locator.prefer_url(url1, url2), url1)
 
+    @unittest.skipIf('SKIP_ONLINE' in os.environ, 'Skipping online tests')
     def test_prereleases(self):
         locator = AggregatingLocator(
             JSONLocator(),
@@ -308,6 +315,7 @@ class LocatorTestCase(unittest.TestCase):
         self.assertEqual(dists, set([actual[0], dist]))
         self.assertFalse(problems)
 
+    @unittest.skipIf('SKIP_ONLINE' in os.environ, 'Skipping online tests')
     def test_dist_reqts(self):
         r = 'config (<=0.3.5)'
         dist = default_locator.locate(r)
@@ -316,6 +324,7 @@ class LocatorTestCase(unittest.TestCase):
         self.assertTrue(dist.matches_requirement(r))
         self.assertFalse(dist.matches_requirement('config (0.3.6)'))
 
+    @unittest.skipIf('SKIP_ONLINE' in os.environ, 'Skipping online tests')
     def test_dist_reqts_extras(self):
         r = 'config[doc,test](<=0.3.5)'
         dist = default_locator.locate(r)
@@ -323,6 +332,7 @@ class LocatorTestCase(unittest.TestCase):
         self.assertTrue(dist.matches_requirement(r))
         self.assertEqual(dist.extras, ['doc', 'test'])
 
+    @unittest.skipIf('SKIP_ONLINE' in os.environ, 'Skipping online tests')
     def test_all(self):
         d = default_locator.get_project('setuptools')
         self.assertTrue('urls' in d)
diff --git a/tests/test_util.py b/tests/test_util.py
index 1b615d7..2908eee 100644
--- a/tests/test_util.py
+++ b/tests/test_util.py
@@ -461,6 +461,7 @@ class UtilTestCase(unittest.TestCase):
         self.assertFalse(is_string_sequence(['a', 'b', None]))
         self.assertRaises(AssertionError, is_string_sequence, [])
 
+    @unittest.skipIf('SKIP_ONLINE' in os.environ, 'Skipping online tests')
     def test_package_data(self):
         data = get_package_data(name='config', version='0.3.6')
         self.assertTrue(data)