add chage tests

tests/fixtures/centos-7.7/chage.json

@@ -0,0 +1 @@
+{"password_last_changed":"never","password_expires":"never","password_inactive":"never","account_expires":"never","min_days_between_password_change":0,"max_days_between_password_change":99999,"warning_days_before_password_expires":7}

tests/test_chage.py

@@ -0,0 +1,35 @@
+import os
+import unittest
+import json
+import jc.parsers.chage
+
+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/chage.out'), 'r', encoding='utf-8') as f:
+            self.centos_7_7_chage = f.read()
+
+        # output
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/centos-7.7/chage.json'), 'r', encoding='utf-8') as f:
+            self.centos_7_7_chage_json = json.loads(f.read())
+
+
+    def test_chage_nodata(self):
+        """
+        Test 'chage' with no data
+        """
+        self.assertEqual(jc.parsers.chage.parse('', quiet=True), {})
+
+    def test_chage_centos_7_7(self):
+        """
+        Test 'chage' on Centos 7.7
+        """
+        self.assertEqual(jc.parsers.chage.parse(self.centos_7_7_chage, quiet=True), self.centos_7_7_chage_json)
+
+
+if __name__ == '__main__':
+    unittest.main()