Merge pull request #1572 from cbowman0/coverage_whitelist

Coverage for graphite.whitelist

Author: cbowman0

webapp/graphite/util.py

@@ -164,7 +164,7 @@ def deltaseconds(timedelta):
   class SafeUnpickler(object):
     PICKLE_SAFE = {
       'copy_reg': set(['_reconstructor']),
-      '__builtin__': set(['object', 'list']),
+      '__builtin__': set(['object', 'list', 'set']),
       'collections': set(['deque']),
       'graphite.render.datalib': set(['TimeSeries']),
       'graphite.intervals': set(['Interval', 'IntervalSet']),
@@ -190,7 +190,7 @@ def loads(cls, pickle_string):
   class SafeUnpickler(pickle.Unpickler):
     PICKLE_SAFE = {
       'copy_reg': set(['_reconstructor']),
-      '__builtin__': set(['object', 'list']),
+      '__builtin__': set(['object', 'list', 'set']),
       'collections': set(['deque']),
       'graphite.render.datalib': set(['TimeSeries']),
       'graphite.intervals': set(['Interval', 'IntervalSet']),

webapp/graphite/whitelist/views.py

@@ -41,9 +41,8 @@ def show(request):
   return HttpResponse(content_type="text/plain", content=members)
 
 def load_whitelist():
-  fh = open(settings.WHITELIST_FILE, 'rb')
-  whitelist = unpickle.load(fh)
-  fh.close()
+  buffer = open(settings.WHITELIST_FILE, 'rb').read()
+  whitelist = unpickle.loads(buffer)
   return whitelist
 
 def save_whitelist(whitelist):

webapp/tests/test_whitelist.py

@@ -0,0 +1,115 @@
+import errno
+import mock
+import os
+import pickle
+
+from . import DATA_DIR
+
+from django.conf import settings
+from django.core.urlresolvers import reverse
+from django.test import TestCase
+
+from graphite.whitelist.views import load_whitelist, save_whitelist
+
+class WhitelistTester(TestCase):
+    settings.WHITELIST_FILE = os.path.join(DATA_DIR, 'lists/whitelist')
+
+    def wipe_whitelist(self):
+        try:
+            os.remove(settings.WHITELIST_FILE)
+        except OSError:
+            pass
+
+    def create_whitelist(self):
+        try:
+            os.makedirs(settings.WHITELIST_FILE.replace('whitelist', ''))
+        except OSError:
+            pass
+        fh = open(settings.WHITELIST_FILE, 'wb')
+        pickle.dump({'a.b.c.d', 'e.f.g.h'}, fh)
+        fh.close()
+
+    def test_whitelist_show_no_whitelist(self):
+        url = reverse('whitelist_show')
+        with self.assertRaises(IOError):
+          response = self.client.get(url)
+
+    def test_whitelist_show(self):
+        url = reverse('whitelist_show')
+        self.create_whitelist()
+        self.addCleanup(self.wipe_whitelist)
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.content, "a.b.c.d\ne.f.g.h")
+
+    def test_whitelist_add(self):
+        self.create_whitelist()
+        self.addCleanup(self.wipe_whitelist)
+
+        url = reverse('whitelist_add')
+        response = self.client.post(url, {'metrics': ['i.j.k.l']})
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.content, "OK")
+
+        url = reverse('whitelist_show')
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.content, "a.b.c.d\ne.f.g.h\ni.j.k.l")
+
+    def test_whitelist_add_existing(self):
+        self.create_whitelist()
+        self.addCleanup(self.wipe_whitelist)
+
+        url = reverse('whitelist_add')
+        response = self.client.post(url, {'metrics': ['a.b.c.d']})
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.content, "OK")
+
+        url = reverse('whitelist_show')
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.content, "a.b.c.d\ne.f.g.h")
+
+    def test_whitelist_remove(self):
+        self.create_whitelist()
+        self.addCleanup(self.wipe_whitelist)
+
+        url = reverse('whitelist_remove')
+        response = self.client.post(url, {'metrics': ['a.b.c.d']})
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.content, "OK")
+
+        url = reverse('whitelist_show')
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.content, "e.f.g.h")
+
+    def test_whitelist_remove_missing(self):
+        self.create_whitelist()
+        self.addCleanup(self.wipe_whitelist)
+
+        url = reverse('whitelist_remove')
+        response = self.client.post(url, {'metrics': ['i.j.k.l']})
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.content, "OK")
+
+        url = reverse('whitelist_show')
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.content, "a.b.c.d\ne.f.g.h")
+
+    def test_save_whitelist(self):
+        try:
+            os.makedirs(settings.WHITELIST_FILE.replace('whitelist', ''))
+        except OSError:
+            pass
+        self.addCleanup(self.wipe_whitelist)
+        self.assertEqual(save_whitelist({'a.b.c.d','e.f.g.h'}), None)
+        self.assertEqual(load_whitelist(), {'a.b.c.d','e.f.g.h'})
+
+    @mock.patch('os.rename')
+    def test_save_whitelist_rename_failure(self, rename):
+        self.addCleanup(self.wipe_whitelist)
+        rename.side_effect = OSError(errno.EPERM, 'Operation not permitted')
+        with self.assertRaises(OSError):
+            save_whitelist({'a.b.c.d','e.f.g.h'})