try setting timezone env variable before tests to ensure it is the same on all test systems

tests/test_date.py

@@ -0,0 +1,46 @@
+import os
+import json
+import unittest
+import jc.parsers.date
+
+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/generic/date.out'), 'r', encoding='utf-8') as f:
+            self.generic_date = f.read()
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/ubuntu-20.04/date.out'), 'r', encoding='utf-8') as f:
+            self.ubuntu_20_04_date = f.read()
+
+        # output
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/generic/date.json'), 'r', encoding='utf-8') as f:
+            self.generic_date_json = json.loads(f.read())
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/ubuntu-20.04/date.json'), 'r', encoding='utf-8') as f:
+            self.ubuntu_20_04_date_json = json.loads(f.read())
+
+    def test_date_nodata(self):
+        """
+        Test 'date' with no data
+        """
+        self.assertEqual(jc.parsers.date.parse('', quiet=True), {})
+
+    def test_date(self):
+        """
+        Test 'date'
+        """
+        self.assertEqual(jc.parsers.date.parse(self.generic_date, quiet=True), self.generic_date_json)
+
+    def test_date_ubuntu_20_04(self):
+        """
+        Test 'date' on Ubuntu 20.4
+        """
+        self.assertEqual(jc.parsers.date.parse(self.ubuntu_20_04_date, quiet=True), self.ubuntu_20_04_date_json)
+
+
+if __name__ == '__main__':
+    unittest.main()