add en-gb format tests

babybuddy/tests/formats/tests_en_gb.py

@@ -0,0 +1,74 @@
+# -*- coding: utf-8 -*-
+import datetime
+
+from django.core.exceptions import ValidationError
+from django.forms.fields import DateTimeField
+from django.test import TestCase, override_settings, tag
+from django.utils.formats import date_format, time_format
+
+from babybuddy.middleware import update_en_gb_date_formats
+
+
+class GbFormatsTestCase(TestCase):
+    @override_settings(LANGUAGE_CODE='en-GB')
+    def test_datetime_input_formats(self):
+        update_en_gb_date_formats()
+        field = DateTimeField()
+        supported_custom_examples = [
+            '20/01/2020',
+            '20/01/2020 9:30 AM',
+            '20/01/2020 9:30:03 AM',
+            '01/10/2020 11:30 PM',
+            '01/10/2020 11:30:03 AM',
+        ]
+
+        for example in supported_custom_examples:
+            try:
+                result = field.to_python(example)
+                self.assertIsInstance(result, datetime.datetime)
+            except ValidationError:
+                self.fail('Format of "{}" not recognized!'.format(example))
+
+        with self.assertRaises(ValidationError):
+            field.to_python('invalid date string!')
+
+    @tag('isolate')
+    @override_settings(LANGUAGE_CODE='en-GB', USE_24_HOUR_TIME_FORMAT=True)
+    def test_use_24_hour_time_format(self):
+        update_en_gb_date_formats()
+        field = DateTimeField()
+        supported_custom_examples = [
+            '25/10/2006 2:30:59',
+            '25/10/2006 2:30',
+            '25/10/2006 14:30:59',
+            '25/10/2006 14:30',
+        ]
+
+        for example in supported_custom_examples:
+            try:
+                result = field.to_python(example)
+                self.assertIsInstance(result, datetime.datetime)
+            except ValidationError:
+                self.fail('Format of "{}" not recognized!'.format(example))
+
+        with self.assertRaises(ValidationError):
+            field.to_python('invalid date string!')
+
+        dt = datetime.datetime(year=2011, month=11, day=4, hour=23, minute=5,
+                               second=59)
+        self.assertEqual(
+            date_format(dt, 'DATETIME_FORMAT'), '4 November 2011 23:05:59')
+
+        dt = datetime.datetime(year=2011, month=11, day=4, hour=2, minute=5,
+                               second=59)
+        self.assertEqual(
+            date_format(dt, 'SHORT_DATETIME_FORMAT'), '04/11//2011 2:05:59')
+
+        t = datetime.time(hour=16, minute=2, second=25)
+        self.assertEqual(time_format(t), '16:02:25')
+
+    # def test_short_month_day_format(self):
+    #     update_en_gb_date_formats()
+    #     dt = datetime.datetime(year=2021, month=7, day=31, hour=5, minute=5,
+    #                            second=5)
+    #     self.assertEqual(date_format(dt, 'SHORT_MONTH_DAY_FORMAT'), '31 Jul')