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1 from datetime import datetime, date |
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2 import os |
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3 import time |
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4 import unittest |
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5 |
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6 from django.utils.dateformat import format |
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7 from django.utils import dateformat, translation |
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8 from django.utils.tzinfo import FixedOffset, LocalTimezone |
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9 |
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10 class DateFormatTests(unittest.TestCase): |
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11 def setUp(self): |
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12 self.old_TZ = os.environ.get('TZ') |
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13 os.environ['TZ'] = 'Europe/Copenhagen' |
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14 translation.activate('en-us') |
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15 |
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16 try: |
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17 # Check if a timezone has been set |
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18 time.tzset() |
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19 self.tz_tests = True |
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20 except AttributeError: |
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21 # No timezone available. Don't run the tests that require a TZ |
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22 self.tz_tests = False |
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23 |
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24 def tearDown(self): |
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25 if self.old_TZ is None: |
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26 del os.environ['TZ'] |
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27 else: |
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28 os.environ['TZ'] = self.old_TZ |
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29 |
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30 # Cleanup - force re-evaluation of TZ environment variable. |
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31 if self.tz_tests: |
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32 time.tzset() |
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33 |
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34 def test_date(self): |
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35 d = date(2009, 5, 16) |
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36 self.assertEquals(date.fromtimestamp(int(format(d, 'U'))), d) |
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37 |
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38 def test_naive_datetime(self): |
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39 dt = datetime(2009, 5, 16, 5, 30, 30) |
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40 self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U'))), dt) |
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41 |
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42 def test_datetime_with_local_tzinfo(self): |
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43 ltz = LocalTimezone(datetime.now()) |
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44 dt = datetime(2009, 5, 16, 5, 30, 30, tzinfo=ltz) |
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45 self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U')), ltz), dt) |
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46 self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U'))), dt.replace(tzinfo=None)) |
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47 |
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48 def test_datetime_with_tzinfo(self): |
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49 tz = FixedOffset(-510) |
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50 ltz = LocalTimezone(datetime.now()) |
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51 dt = datetime(2009, 5, 16, 5, 30, 30, tzinfo=tz) |
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52 self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U')), tz), dt) |
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53 self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U')), ltz), dt) |
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54 self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U'))), dt.astimezone(ltz).replace(tzinfo=None)) |
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55 self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U')), tz).utctimetuple(), dt.utctimetuple()) |
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56 self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U')), ltz).utctimetuple(), dt.utctimetuple()) |
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57 |
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58 def test_epoch(self): |
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59 utc = FixedOffset(0) |
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60 udt = datetime(1970, 1, 1, tzinfo=utc) |
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61 self.assertEquals(format(udt, 'U'), u'0') |
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62 |
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63 def test_empty_format(self): |
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64 my_birthday = datetime(1979, 7, 8, 22, 00) |
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65 |
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66 self.assertEquals(dateformat.format(my_birthday, ''), u'') |
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67 |
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68 def test_am_pm(self): |
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69 my_birthday = datetime(1979, 7, 8, 22, 00) |
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70 |
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71 self.assertEquals(dateformat.format(my_birthday, 'a'), u'p.m.') |
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72 |
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73 def test_date_formats(self): |
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74 my_birthday = datetime(1979, 7, 8, 22, 00) |
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75 timestamp = datetime(2008, 5, 19, 11, 45, 23, 123456) |
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76 |
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77 self.assertEquals(dateformat.format(my_birthday, 'A'), u'PM') |
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78 self.assertEquals(dateformat.format(timestamp, 'c'), u'2008-05-19T11:45:23.123456') |
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79 self.assertEquals(dateformat.format(my_birthday, 'd'), u'08') |
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80 self.assertEquals(dateformat.format(my_birthday, 'j'), u'8') |
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81 self.assertEquals(dateformat.format(my_birthday, 'l'), u'Sunday') |
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82 self.assertEquals(dateformat.format(my_birthday, 'L'), u'False') |
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83 self.assertEquals(dateformat.format(my_birthday, 'm'), u'07') |
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84 self.assertEquals(dateformat.format(my_birthday, 'M'), u'Jul') |
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85 self.assertEquals(dateformat.format(my_birthday, 'b'), u'jul') |
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86 self.assertEquals(dateformat.format(my_birthday, 'n'), u'7') |
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87 self.assertEquals(dateformat.format(my_birthday, 'N'), u'July') |
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88 |
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89 def test_time_formats(self): |
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90 my_birthday = datetime(1979, 7, 8, 22, 00) |
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91 |
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92 self.assertEquals(dateformat.format(my_birthday, 'P'), u'10 p.m.') |
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93 self.assertEquals(dateformat.format(my_birthday, 's'), u'00') |
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94 self.assertEquals(dateformat.format(my_birthday, 'S'), u'th') |
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95 self.assertEquals(dateformat.format(my_birthday, 't'), u'31') |
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96 self.assertEquals(dateformat.format(my_birthday, 'w'), u'0') |
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97 self.assertEquals(dateformat.format(my_birthday, 'W'), u'27') |
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98 self.assertEquals(dateformat.format(my_birthday, 'y'), u'79') |
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99 self.assertEquals(dateformat.format(my_birthday, 'Y'), u'1979') |
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100 self.assertEquals(dateformat.format(my_birthday, 'z'), u'189') |
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101 |
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102 def test_dateformat(self): |
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103 my_birthday = datetime(1979, 7, 8, 22, 00) |
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104 |
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105 self.assertEquals(dateformat.format(my_birthday, r'Y z \C\E\T'), u'1979 189 CET') |
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106 |
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107 self.assertEquals(dateformat.format(my_birthday, r'jS o\f F'), u'8th of July') |
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108 |
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109 def test_futuredates(self): |
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110 the_future = datetime(2100, 10, 25, 0, 00) |
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111 self.assertEquals(dateformat.format(the_future, r'Y'), u'2100') |
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112 |
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113 def test_timezones(self): |
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114 my_birthday = datetime(1979, 7, 8, 22, 00) |
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115 summertime = datetime(2005, 10, 30, 1, 00) |
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116 wintertime = datetime(2005, 10, 30, 4, 00) |
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117 timestamp = datetime(2008, 5, 19, 11, 45, 23, 123456) |
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118 |
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119 if self.tz_tests: |
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120 self.assertEquals(dateformat.format(my_birthday, 'O'), u'+0100') |
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121 self.assertEquals(dateformat.format(my_birthday, 'r'), u'Sun, 8 Jul 1979 22:00:00 +0100') |
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122 self.assertEquals(dateformat.format(my_birthday, 'T'), u'CET') |
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123 self.assertEquals(dateformat.format(my_birthday, 'U'), u'300315600') |
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124 self.assertEquals(dateformat.format(timestamp, 'u'), u'123456') |
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125 self.assertEquals(dateformat.format(my_birthday, 'Z'), u'3600') |
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126 self.assertEquals(dateformat.format(summertime, 'I'), u'1') |
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127 self.assertEquals(dateformat.format(summertime, 'O'), u'+0200') |
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128 self.assertEquals(dateformat.format(wintertime, 'I'), u'0') |
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129 self.assertEquals(dateformat.format(wintertime, 'O'), u'+0100') |