add group and gshadow tests

tests/test_group.py

@@ -0,0 +1,52 @@
+import os
+import json
+import unittest
+import jc.parsers.group
+
+THIS_DIR = os.path.dirname(os.path.abspath(__file__))
+
+
+class MyTests(unittest.TestCase):
+
+    def setUp(self):
+        # input
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/centos-7.7/group.out'), 'r') as f:
+            self.centos_7_7_group = f.read()
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/ubuntu-18.04/group.out'), 'r') as f:
+            self.ubuntu_18_4_group = f.read()
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/osx-10.14.6/group.out'), 'r') as f:
+            self.osx_10_14_6_group = f.read()
+
+        # output
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/centos-7.7/group.json'), 'r') as f:
+            self.centos_7_7_group_json = json.loads(f.read())
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/ubuntu-18.04/group.json'), 'r') as f:
+            self.ubuntu_18_4_group_json = json.loads(f.read())
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/osx-10.14.6/group.json'), 'r') as f:
+            self.osx_10_14_6_group_json = json.loads(f.read())
+
+    def test_group_centos_7_7(self):
+        """
+        Test 'cat /etc/group' on Centos 7.7
+        """
+        self.assertEqual(jc.parsers.group.parse(self.centos_7_7_group, quiet=True), self.centos_7_7_group_json)
+
+    def test_group_ubuntu_18_4(self):
+        """
+        Test 'cat /etc/group' on Ubuntu 18.4
+        """
+        self.assertEqual(jc.parsers.group.parse(self.ubuntu_18_4_group, quiet=True), self.ubuntu_18_4_group_json)
+
+    def test_group_osx_10_14_6(self):
+        """
+        Test 'cat /etc/group' on OSX 10.14
+        """
+        self.assertEqual(jc.parsers.group.parse(self.osx_10_14_6_group, quiet=True), self.osx_10_14_6_group_json)
+
+
+if __name__ == '__main__':
+    unittest.main()