1 files changed, 55 insertions, 0 deletions
diff --git a/gn2/tests/unit/utility/test_corestats.py b/gn2/tests/unit/utility/test_corestats.py
new file mode 100644
index 00000000..c0eaf566
--- /dev/null
+++ b/gn2/tests/unit/utility/test_corestats.py
@@ -0,0 +1,55 @@
+"""Test Core Stats"""
+
+import unittest
+
+from gn2.utility.corestats import Stats
+
+
+class TestChunks(unittest.TestCase):
+    "Test Utility method for chunking"
+
+    def setUp(self):
+        self.stat_test = Stats((x for x in range(1, 11)))
+
+    def test_stats_sum(self):
+        """ Test sequence sum """
+        self.assertEqual(self.stat_test.sum(), 55)
+        self.stat_test = Stats([])
+        self.assertEqual(self.stat_test.sum(), None)
+
+    def test_stats_count(self):
+        """ Test sequence count """
+        self.assertEqual(self.stat_test.count(), 10)
+        self.stat_test = Stats([])
+        self.assertEqual(self.stat_test.count(), 0)
+
+    def test_stats_min(self):
+        """ Test min value in sequence"""
+        self.assertEqual(self.stat_test.min(), 1)
+        self.stat_test = Stats([])
+        self.assertEqual(self.stat_test.min(), None)
+
+    def test_stats_max(self):
+        """ Test max value in sequence """
+        self.assertEqual(self.stat_test.max(), 10)
+        self.stat_test = Stats([])
+        self.assertEqual(self.stat_test.max(), None)
+
+    def test_stats_avg(self):
+        """ Test avg of sequence """
+        self.assertEqual(self.stat_test.avg(), 5.5)
+        self.stat_test = Stats([])
+        self.assertEqual(self.stat_test.avg(), None)
+
+    def test_stats_stdev(self):
+        """ Test standard deviation of sequence """
+        self.assertEqual(self.stat_test.stdev(), 3.0276503540974917)
+        self.stat_test = Stats([])
+        self.assertEqual(self.stat_test.stdev(), None)
+
+    def test_stats_percentile(self):
+        """ Test percentile of sequence """
+        self.assertEqual(self.stat_test.percentile(20), 3.0)
+        self.assertEqual(self.stat_test.percentile(101), None)
+        self.stat_test = Stats([])
+        self.assertEqual(self.stat_test.percentile(20), None)