/activesupport/test/core_ext/date_time_ext_test.rb

https://github.com/phuibonhoa/rails · Ruby · 412 lines · 350 code · 59 blank · 3 comment · 0 complexity · cf6738e7f4520620b964fa47a29b1539 MD5 · raw file 

    

  1. require 'abstract_unit'
    2. 

  2. require 'active_support/time'
    3. 

  3. 

  4. class DateTimeExtCalculationsTest < Test::Unit::TestCase
    5. 

  5.   def test_to_s
    6. 

  6.     datetime = DateTime.new(2005, 2, 21, 14, 30, 0, 0)
    7. 

  7.     assert_equal "2005-02-21 14:30:00",               datetime.to_s(:db)
    8. 

  8.     assert_equal "14:30",                             datetime.to_s(:time)
    9. 

  9.     assert_equal "21 Feb 14:30",                      datetime.to_s(:short)
    10. 

  10.     assert_equal "February 21, 2005 14:30",           datetime.to_s(:long)
    11. 

  11.     assert_equal "Mon, 21 Feb 2005 14:30:00 +0000",   datetime.to_s(:rfc822)
    12. 

  12.     assert_equal "February 21st, 2005 14:30",         datetime.to_s(:long_ordinal)
    13. 

  13.     assert_match(/^2005-02-21T14:30:00(Z|\+00:00)$/,  datetime.to_s)
    14. 

  14.   end
    15. 

  15. 

  16.   def test_readable_inspect
    17. 

  17.     datetime = DateTime.new(2005, 2, 21, 14, 30, 0)
    18. 

  18.     assert_equal "Mon, 21 Feb 2005 14:30:00 +0000", datetime.readable_inspect
    19. 

  19.     assert_equal datetime.readable_inspect, datetime.inspect
    20. 

  20.   end
    21. 

  21. 

  22.   def test_custom_date_format
    23. 

  23.     Time::DATE_FORMATS[:custom] = '%Y%m%d%H%M%S'
    24. 

  24.     assert_equal '20050221143000', DateTime.new(2005, 2, 21, 14, 30, 0).to_s(:custom)
    25. 

  25.     Time::DATE_FORMATS.delete(:custom)
    26. 

  26.   end
    27. 

  27. 

  28.   def test_to_date
    29. 

  29.     assert_equal Date.new(2005, 2, 21), DateTime.new(2005, 2, 21, 14, 30, 0).to_date
    30. 

  30.   end
    31. 

  31. 

  32.   def test_to_datetime
    33. 

  33.     assert_equal DateTime.new(2005, 2, 21, 14, 30, 0), DateTime.new(2005, 2, 21, 14, 30, 0).to_datetime
    34. 

  34.   end
    35. 

  35. 

  36.   def test_to_time
    37. 

  37.     assert_equal Time.utc(2005, 2, 21, 10, 11, 12), DateTime.new(2005, 2, 21, 10, 11, 12, 0).to_time
    38. 

  38.     assert_equal Time.utc_time(2039, 2, 21, 10, 11, 12), DateTime.new(2039, 2, 21, 10, 11, 12, 0).to_time
    39. 

  39.     # DateTimes with offsets other than 0 are returned unaltered
    40. 

  40.     assert_equal DateTime.new(2005, 2, 21, 10, 11, 12, Rational(-5, 24)), DateTime.new(2005, 2, 21, 10, 11, 12, Rational(-5, 24)).to_time
    41. 

  41.     # Fractional seconds are preserved
    42. 

  42.     assert_equal Time.utc(2005, 2, 21, 10, 11, 12, 256), DateTime.new(2005, 2, 21, 10, 11, 12 + Rational(256, 1000000), 0).to_time
    43. 

  43.   end
    44. 

  44. 

  45.   def test_civil_from_format
    46. 

  46.     assert_equal DateTime.civil(2010, 5, 4, 0, 0, 0, DateTime.local_offset), DateTime.civil_from_format(:local, 2010, 5, 4)
    47. 

  47.     assert_equal DateTime.civil(2010, 5, 4, 0, 0, 0, 0), DateTime.civil_from_format(:utc, 2010, 5, 4)
    48. 

  48.   end
    49. 

  49. 

  50.   def test_seconds_since_midnight
    51. 

  51.     assert_equal 1,DateTime.civil(2005,1,1,0,0,1).seconds_since_midnight
    52. 

  52.     assert_equal 60,DateTime.civil(2005,1,1,0,1,0).seconds_since_midnight
    53. 

  53.     assert_equal 3660,DateTime.civil(2005,1,1,1,1,0).seconds_since_midnight
    54. 

  54.     assert_equal 86399,DateTime.civil(2005,1,1,23,59,59).seconds_since_midnight
    55. 

  55.   end
    56. 

  56. 

  57.   def test_days_to_week_start
    58. 

  58.     assert_equal 0, Time.local(2011,11,01,0,0,0).days_to_week_start(:tuesday)
    59. 

  59.     assert_equal 1, Time.local(2011,11,02,0,0,0).days_to_week_start(:tuesday)
    60. 

  60.     assert_equal 2, Time.local(2011,11,03,0,0,0).days_to_week_start(:tuesday)
    61. 

  61.     assert_equal 3, Time.local(2011,11,04,0,0,0).days_to_week_start(:tuesday)
    62. 

  62.     assert_equal 4, Time.local(2011,11,05,0,0,0).days_to_week_start(:tuesday)
    63. 

  63.     assert_equal 5, Time.local(2011,11,06,0,0,0).days_to_week_start(:tuesday)
    64. 

  64.     assert_equal 6, Time.local(2011,11,07,0,0,0).days_to_week_start(:tuesday)
    65. 

  65. 

  66.     assert_equal 3, Time.local(2011,11,03,0,0,0).days_to_week_start(:monday)
    67. 

  67.     assert_equal 3, Time.local(2011,11,04,0,0,0).days_to_week_start(:tuesday)
    68. 

  68.     assert_equal 3, Time.local(2011,11,05,0,0,0).days_to_week_start(:wednesday)
    69. 

  69.     assert_equal 3, Time.local(2011,11,06,0,0,0).days_to_week_start(:thursday)
    70. 

  70.     assert_equal 3, Time.local(2011,11,07,0,0,0).days_to_week_start(:friday)
    71. 

  71.     assert_equal 3, Time.local(2011,11,8,0,0,0).days_to_week_start(:saturday)
    72. 

  72.     assert_equal 3, Time.local(2011,11,9,0,0,0).days_to_week_start(:sunday)
    73. 

  73.   end
    74. 

  74. 

  75.   def test_beginning_of_week
    76. 

  76.     assert_equal DateTime.civil(2005,1,31), DateTime.civil(2005,2,4,10,10,10).beginning_of_week
    77. 

  77.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,11,28,0,0,0).beginning_of_week #monday
    78. 

  78.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,11,29,0,0,0).beginning_of_week #tuesday
    79. 

  79.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,11,30,0,0,0).beginning_of_week #wednesday
    80. 

  80.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,01,0,0,0).beginning_of_week #thursday
    81. 

  81.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,02,0,0,0).beginning_of_week #friday
    82. 

  82.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,03,0,0,0).beginning_of_week #saturday
    83. 

  83.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,04,0,0,0).beginning_of_week #sunday
    84. 

  84.   end
    85. 

  85. 

  86.   def test_beginning_of_day
    87. 

  87.     assert_equal DateTime.civil(2005,2,4,0,0,0), DateTime.civil(2005,2,4,10,10,10).beginning_of_day
    88. 

  88.   end
    89. 

  89. 

  90.   def test_end_of_day
    91. 

  91.     assert_equal DateTime.civil(2005,2,4,23,59,59), DateTime.civil(2005,2,4,10,10,10).end_of_day
    92. 

  92.   end
    93. 

  93. 

  94.   def test_beginning_of_month
    95. 

  95.     assert_equal DateTime.civil(2005,2,1,0,0,0), DateTime.civil(2005,2,22,10,10,10).beginning_of_month
    96. 

  96.   end
    97. 

  97. 

  98.   def test_beginning_of_quarter
    99. 

  99.     assert_equal DateTime.civil(2005,1,1,0,0,0), DateTime.civil(2005,2,15,10,10,10).beginning_of_quarter
    100. 

  100.     assert_equal DateTime.civil(2005,1,1,0,0,0), DateTime.civil(2005,1,1,0,0,0).beginning_of_quarter
    101. 

  101.     assert_equal DateTime.civil(2005,10,1,0,0,0), DateTime.civil(2005,12,31,10,10,10).beginning_of_quarter
    102. 

  102.     assert_equal DateTime.civil(2005,4,1,0,0,0), DateTime.civil(2005,6,30,23,59,59).beginning_of_quarter
    103. 

  103.   end
    104. 

  104. 

  105.   def test_end_of_month
    106. 

  106.     assert_equal DateTime.civil(2005,3,31,23,59,59), DateTime.civil(2005,3,20,10,10,10).end_of_month
    107. 

  107.     assert_equal DateTime.civil(2005,2,28,23,59,59), DateTime.civil(2005,2,20,10,10,10).end_of_month
    108. 

  108.     assert_equal DateTime.civil(2005,4,30,23,59,59), DateTime.civil(2005,4,20,10,10,10).end_of_month
    109. 

  109.   end
    110. 

  110. 

  111.   def test_beginning_of_year
    112. 

  112.     assert_equal DateTime.civil(2005,1,1,0,0,0), DateTime.civil(2005,2,22,10,10,10).beginning_of_year
    113. 

  113.   end
    114. 

  114. 

  115.   def test_weeks_ago
    116. 

  116.     assert_equal DateTime.civil(2005,5,29,10),  DateTime.civil(2005,6,5,10,0,0).weeks_ago(1)
    117. 

  117.     assert_equal DateTime.civil(2005,5,1,10), DateTime.civil(2005,6,5,10,0,0).weeks_ago(5)
    118. 

  118.     assert_equal DateTime.civil(2005,4,24,10), DateTime.civil(2005,6,5,10,0,0).weeks_ago(6)
    119. 

  119.     assert_equal DateTime.civil(2005,2,27,10),  DateTime.civil(2005,6,5,10,0,0).weeks_ago(14)
    120. 

  120.     assert_equal DateTime.civil(2004,12,25,10),  DateTime.civil(2005,1,1,10,0,0).weeks_ago(1)
    121. 

  121.   end
    122. 

  122. 

  123.   def test_months_ago
    124. 

  124.     assert_equal DateTime.civil(2005,5,5,10),  DateTime.civil(2005,6,5,10,0,0).months_ago(1)
    125. 

  125.     assert_equal DateTime.civil(2004,11,5,10), DateTime.civil(2005,6,5,10,0,0).months_ago(7)
    126. 

  126.     assert_equal DateTime.civil(2004,12,5,10), DateTime.civil(2005,6,5,10,0,0).months_ago(6)
    127. 

  127.     assert_equal DateTime.civil(2004,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_ago(12)
    128. 

  128.     assert_equal DateTime.civil(2003,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_ago(24)
    129. 

  129.   end
    130. 

  130. 

  131.   def test_months_since
    132. 

  132.     assert_equal DateTime.civil(2005,7,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(1)
    133. 

  133.     assert_equal DateTime.civil(2006,1,5,10),  DateTime.civil(2005,12,5,10,0,0).months_since(1)
    134. 

  134.     assert_equal DateTime.civil(2005,12,5,10), DateTime.civil(2005,6,5,10,0,0).months_since(6)
    135. 

  135.     assert_equal DateTime.civil(2006,6,5,10),  DateTime.civil(2005,12,5,10,0,0).months_since(6)
    136. 

  136.     assert_equal DateTime.civil(2006,1,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(7)
    137. 

  137.     assert_equal DateTime.civil(2006,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(12)
    138. 

  138.     assert_equal DateTime.civil(2007,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(24)
    139. 

  139.     assert_equal DateTime.civil(2005,4,30,10),  DateTime.civil(2005,3,31,10,0,0).months_since(1)
    140. 

  140.     assert_equal DateTime.civil(2005,2,28,10),  DateTime.civil(2005,1,29,10,0,0).months_since(1)
    141. 

  141.     assert_equal DateTime.civil(2005,2,28,10),  DateTime.civil(2005,1,30,10,0,0).months_since(1)
    142. 

  142.     assert_equal DateTime.civil(2005,2,28,10),  DateTime.civil(2005,1,31,10,0,0).months_since(1)
    143. 

  143.   end
    144. 

  144. 

  145.   def test_years_ago
    146. 

  146.     assert_equal DateTime.civil(2004,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_ago(1)
    147. 

  147.     assert_equal DateTime.civil(1998,6,5,10), DateTime.civil(2005,6,5,10,0,0).years_ago(7)
    148. 

  148.     assert_equal DateTime.civil(2003,2,28,10), DateTime.civil(2004,2,29,10,0,0).years_ago(1) # 1 year ago from leap day
    149. 

  149.   end
    150. 

  150. 

  151.   def test_years_since
    152. 

  152.     assert_equal DateTime.civil(2006,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_since(1)
    153. 

  153.     assert_equal DateTime.civil(2012,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_since(7)
    154. 

  154.     assert_equal DateTime.civil(2182,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_since(177)
    155. 

  155.     assert_equal DateTime.civil(2005,2,28,10), DateTime.civil(2004,2,29,10,0,0).years_since(1) # 1 year since leap day
    156. 

  156.   end
    157. 

  157. 

  158.   def test_prev_year
    159. 

  159.     assert_equal DateTime.civil(2004,6,5,10),  DateTime.civil(2005,6,5,10,0,0).prev_year
    160. 

  160.   end
    161. 

  161. 

  162.   def test_next_year
    163. 

  163.     assert_equal DateTime.civil(2006,6,5,10), DateTime.civil(2005,6,5,10,0,0).next_year
    164. 

  164.   end
    165. 

  165. 

  166.   def test_ago
    167. 

  167.     assert_equal DateTime.civil(2005,2,22,10,10,9),  DateTime.civil(2005,2,22,10,10,10).ago(1)
    168. 

  168.     assert_equal DateTime.civil(2005,2,22,9,10,10),  DateTime.civil(2005,2,22,10,10,10).ago(3600)
    169. 

  169.     assert_equal DateTime.civil(2005,2,20,10,10,10), DateTime.civil(2005,2,22,10,10,10).ago(86400*2)
    170. 

  170.     assert_equal DateTime.civil(2005,2,20,9,9,45),   DateTime.civil(2005,2,22,10,10,10).ago(86400*2 + 3600 + 25)
    171. 

  171.   end
    172. 

  172. 

  173.   def test_since
    174. 

  174.     assert_equal DateTime.civil(2005,2,22,10,10,11), DateTime.civil(2005,2,22,10,10,10).since(1)
    175. 

  175.     assert_equal DateTime.civil(2005,2,22,11,10,10), DateTime.civil(2005,2,22,10,10,10).since(3600)
    176. 

  176.     assert_equal DateTime.civil(2005,2,24,10,10,10), DateTime.civil(2005,2,22,10,10,10).since(86400*2)
    177. 

  177.     assert_equal DateTime.civil(2005,2,24,11,10,35), DateTime.civil(2005,2,22,10,10,10).since(86400*2 + 3600 + 25)
    178. 

  178.     assert_equal DateTime.civil(2005,2,22,10,10,11), DateTime.civil(2005,2,22,10,10,10).since(1.333)
    179. 

  179.     assert_equal DateTime.civil(2005,2,22,10,10,12), DateTime.civil(2005,2,22,10,10,10).since(1.667)
    180. 

  180.   end
    181. 

  181. 

  182.   def test_yesterday
    183. 

  183.     assert_equal DateTime.civil(2005,2,21,10,10,10), DateTime.civil(2005,2,22,10,10,10).yesterday
    184. 

  184.     assert_equal DateTime.civil(2005,2,28,10,10,10), DateTime.civil(2005,3,2,10,10,10).yesterday.yesterday
    185. 

  185.   end
    186. 

  186. 

  187.   def test_tomorrow
    188. 

  188.     assert_equal DateTime.civil(2005,2,23,10,10,10), DateTime.civil(2005,2,22,10,10,10).tomorrow
    189. 

  189.     assert_equal DateTime.civil(2005,3,2,10,10,10),  DateTime.civil(2005,2,28,10,10,10).tomorrow.tomorrow
    190. 

  190.   end
    191. 

  191. 

  192.   def test_change
    193. 

  193.     assert_equal DateTime.civil(2006,2,22,15,15,10), DateTime.civil(2005,2,22,15,15,10).change(:year => 2006)
    194. 

  194.     assert_equal DateTime.civil(2005,6,22,15,15,10), DateTime.civil(2005,2,22,15,15,10).change(:month => 6)
    195. 

  195.     assert_equal DateTime.civil(2012,9,22,15,15,10), DateTime.civil(2005,2,22,15,15,10).change(:year => 2012, :month => 9)
    196. 

  196.     assert_equal DateTime.civil(2005,2,22,16),       DateTime.civil(2005,2,22,15,15,10).change(:hour => 16)
    197. 

  197.     assert_equal DateTime.civil(2005,2,22,16,45),    DateTime.civil(2005,2,22,15,15,10).change(:hour => 16, :min => 45)
    198. 

  198.     assert_equal DateTime.civil(2005,2,22,15,45),    DateTime.civil(2005,2,22,15,15,10).change(:min => 45)
    199. 

  199.   end
    200. 

  200. 

  201.   def test_advance
    202. 

  202.     assert_equal DateTime.civil(2006,2,28,15,15,10),  DateTime.civil(2005,2,28,15,15,10).advance(:years => 1)
    203. 

  203.     assert_equal DateTime.civil(2005,6,28,15,15,10),  DateTime.civil(2005,2,28,15,15,10).advance(:months => 4)
    204. 

  204.     assert_equal DateTime.civil(2005,3,21,15,15,10),  DateTime.civil(2005,2,28,15,15,10).advance(:weeks => 3)
    205. 

  205.     assert_equal DateTime.civil(2005,3,5,15,15,10),   DateTime.civil(2005,2,28,15,15,10).advance(:days => 5)
    206. 

  206.     assert_equal DateTime.civil(2012,9,28,15,15,10),  DateTime.civil(2005,2,28,15,15,10).advance(:years => 7, :months => 7)
    207. 

  207.     assert_equal DateTime.civil(2013,10,3,15,15,10),  DateTime.civil(2005,2,28,15,15,10).advance(:years => 7, :months => 19, :days => 5)
    208. 

  208.     assert_equal DateTime.civil(2013,10,17,15,15,10), DateTime.civil(2005,2,28,15,15,10).advance(:years => 7, :months => 19, :weeks => 2, :days => 5)
    209. 

  209.     assert_equal DateTime.civil(2001,12,27,15,15,10), DateTime.civil(2005,2,28,15,15,10).advance(:years => -3, :months => -2, :days => -1)
    210. 

  210.     assert_equal DateTime.civil(2005,2,28,15,15,10),  DateTime.civil(2004,2,29,15,15,10).advance(:years => 1) #leap day plus one year
    211. 

  211.     assert_equal DateTime.civil(2005,2,28,20,15,10),  DateTime.civil(2005,2,28,15,15,10).advance(:hours => 5)
    212. 

  212.     assert_equal DateTime.civil(2005,2,28,15,22,10),  DateTime.civil(2005,2,28,15,15,10).advance(:minutes => 7)
    213. 

  213.     assert_equal DateTime.civil(2005,2,28,15,15,19),  DateTime.civil(2005,2,28,15,15,10).advance(:seconds => 9)
    214. 

  214.     assert_equal DateTime.civil(2005,2,28,20,22,19),  DateTime.civil(2005,2,28,15,15,10).advance(:hours => 5, :minutes => 7, :seconds => 9)
    215. 

  215.     assert_equal DateTime.civil(2005,2,28,10,8,1),    DateTime.civil(2005,2,28,15,15,10).advance(:hours => -5, :minutes => -7, :seconds => -9)
    216. 

  216.     assert_equal DateTime.civil(2013,10,17,20,22,19), DateTime.civil(2005,2,28,15,15,10).advance(:years => 7, :months => 19, :weeks => 2, :days => 5, :hours => 5, :minutes => 7, :seconds => 9)
    217. 

  217.   end
    218. 

  218. 

  219.   def test_advanced_processes_first_the_date_deltas_and_then_the_time_deltas
    220. 

  220.     # If the time deltas were processed first, the following datetimes would be advanced to 2010/04/01 instead.
    221. 

  221.     assert_equal DateTime.civil(2010, 3, 29), DateTime.civil(2010, 2, 28, 23, 59, 59).advance(:months => 1, :seconds => 1)
    222. 

  222.     assert_equal DateTime.civil(2010, 3, 29), DateTime.civil(2010, 2, 28, 23, 59).advance(:months => 1, :minutes => 1)
    223. 

  223.     assert_equal DateTime.civil(2010, 3, 29), DateTime.civil(2010, 2, 28, 23).advance(:months => 1, :hours => 1)
    224. 

  224.     assert_equal DateTime.civil(2010, 3, 29), DateTime.civil(2010, 2, 28, 22, 58, 59).advance(:months => 1, :hours => 1, :minutes => 1, :seconds => 1)
    225. 

  225.   end
    226. 

  226. 

  227.   def test_prev_week
    228. 

  228.     assert_equal DateTime.civil(2005,2,21), DateTime.civil(2005,3,1,15,15,10).prev_week
    229. 

  229.     assert_equal DateTime.civil(2005,2,22), DateTime.civil(2005,3,1,15,15,10).prev_week(:tuesday)
    230. 

  230.     assert_equal DateTime.civil(2005,2,25), DateTime.civil(2005,3,1,15,15,10).prev_week(:friday)
    231. 

  231.     assert_equal DateTime.civil(2006,10,30), DateTime.civil(2006,11,6,0,0,0).prev_week
    232. 

  232.     assert_equal DateTime.civil(2006,11,15), DateTime.civil(2006,11,23,0,0,0).prev_week(:wednesday)
    233. 

  233.   end
    234. 

  234. 

  235.   def test_next_week
    236. 

  236.     assert_equal DateTime.civil(2005,2,28), DateTime.civil(2005,2,22,15,15,10).next_week
    237. 

  237.     assert_equal DateTime.civil(2005,3,4), DateTime.civil(2005,2,22,15,15,10).next_week(:friday)
    238. 

  238.     assert_equal DateTime.civil(2006,10,30), DateTime.civil(2006,10,23,0,0,0).next_week
    239. 

  239.     assert_equal DateTime.civil(2006,11,1), DateTime.civil(2006,10,23,0,0,0).next_week(:wednesday)
    240. 

  240.   end
    241. 

  241. 

  242.   def test_next_month_on_31st
    243. 

  243.     assert_equal DateTime.civil(2005, 9, 30), DateTime.civil(2005, 8, 31).next_month
    244. 

  244.   end
    245. 

  245. 

  246.   def test_prev_month_on_31st
    247. 

  247.     assert_equal DateTime.civil(2004, 2, 29), DateTime.civil(2004, 3, 31).prev_month
    248. 

  248.   end
    249. 

  249. 

  250.   def test_xmlschema
    251. 

  251.     assert_match(/^1880-02-28T15:15:10\+00:?00$/, DateTime.civil(1880, 2, 28, 15, 15, 10).xmlschema)
    252. 

  252.     assert_match(/^1980-02-28T15:15:10\+00:?00$/, DateTime.civil(1980, 2, 28, 15, 15, 10).xmlschema)
    253. 

  253.     assert_match(/^2080-02-28T15:15:10\+00:?00$/, DateTime.civil(2080, 2, 28, 15, 15, 10).xmlschema)
    254. 

  254.     assert_match(/^1880-02-28T15:15:10-06:?00$/, DateTime.civil(1880, 2, 28, 15, 15, 10, -0.25).xmlschema)
    255. 

  255.     assert_match(/^1980-02-28T15:15:10-06:?00$/, DateTime.civil(1980, 2, 28, 15, 15, 10, -0.25).xmlschema)
    256. 

  256.     assert_match(/^2080-02-28T15:15:10-06:?00$/, DateTime.civil(2080, 2, 28, 15, 15, 10, -0.25).xmlschema)
    257. 

  257.   end
    258. 

  258. 

  259.   def test_today_with_offset
    260. 

  260.     Date.stubs(:current).returns(Date.new(2000, 1, 1))
    261. 

  261.     assert_equal false, DateTime.civil(1999,12,31,23,59,59, Rational(-18000, 86400)).today?
    262. 

  262.     assert_equal true,  DateTime.civil(2000,1,1,0,0,0, Rational(-18000, 86400)).today?
    263. 

  263.     assert_equal true,  DateTime.civil(2000,1,1,23,59,59, Rational(-18000, 86400)).today?
    264. 

  264.     assert_equal false, DateTime.civil(2000,1,2,0,0,0, Rational(-18000, 86400)).today?
    265. 

  265.   end
    266. 

  266. 

  267.   def test_today_without_offset
    268. 

  268.     Date.stubs(:current).returns(Date.new(2000, 1, 1))
    269. 

  269.     assert_equal false, DateTime.civil(1999,12,31,23,59,59).today?
    270. 

  270.     assert_equal true,  DateTime.civil(2000,1,1,0).today?
    271. 

  271.     assert_equal true,  DateTime.civil(2000,1,1,23,59,59).today?
    272. 

  272.     assert_equal false, DateTime.civil(2000,1,2,0).today?
    273. 

  273.   end
    274. 

  274. 

  275.   def test_past_with_offset
    276. 

  276.     DateTime.stubs(:current).returns(DateTime.civil(2005,2,10,15,30,45, Rational(-18000, 86400)))
    277. 

  277.     assert_equal true,  DateTime.civil(2005,2,10,15,30,44, Rational(-18000, 86400)).past?
    278. 

  278.     assert_equal false,  DateTime.civil(2005,2,10,15,30,45, Rational(-18000, 86400)).past?
    279. 

  279.     assert_equal false,  DateTime.civil(2005,2,10,15,30,46, Rational(-18000, 86400)).past?
    280. 

  280.   end
    281. 

  281. 

  282.   def test_past_without_offset
    283. 

  283.     DateTime.stubs(:current).returns(DateTime.civil(2005,2,10,15,30,45, Rational(-18000, 86400)))
    284. 

  284.     assert_equal true,  DateTime.civil(2005,2,10,20,30,44).past?
    285. 

  285.     assert_equal false,  DateTime.civil(2005,2,10,20,30,45).past?
    286. 

  286.     assert_equal false,  DateTime.civil(2005,2,10,20,30,46).past?
    287. 

  287.   end
    288. 

  288. 

  289.   def test_future_with_offset
    290. 

  290.     DateTime.stubs(:current).returns(DateTime.civil(2005,2,10,15,30,45, Rational(-18000, 86400)))
    291. 

  291.     assert_equal false,  DateTime.civil(2005,2,10,15,30,44, Rational(-18000, 86400)).future?
    292. 

  292.     assert_equal false,  DateTime.civil(2005,2,10,15,30,45, Rational(-18000, 86400)).future?
    293. 

  293.     assert_equal true,  DateTime.civil(2005,2,10,15,30,46, Rational(-18000, 86400)).future?
    294. 

  294.   end
    295. 

  295. 

  296.   def test_future_without_offset
    297. 

  297.     DateTime.stubs(:current).returns(DateTime.civil(2005,2,10,15,30,45, Rational(-18000, 86400)))
    298. 

  298.     assert_equal false,  DateTime.civil(2005,2,10,20,30,44).future?
    299. 

  299.     assert_equal false,  DateTime.civil(2005,2,10,20,30,45).future?
    300. 

  300.     assert_equal true,  DateTime.civil(2005,2,10,20,30,46).future?
    301. 

  301.   end
    302. 

  302. 

  303.   def test_current_returns_date_today_when_zone_is_not_set
    304. 

  304.     with_env_tz 'US/Eastern' do
    305. 

  305.       Time.stubs(:now).returns Time.local(1999, 12, 31, 23, 59, 59)
    306. 

  306.       assert_equal DateTime.new(1999, 12, 31, 23, 59, 59, Rational(-18000, 86400)), DateTime.current
    307. 

  307.     end
    308. 

  308.   end
    309. 

  309. 

  310.   def test_current_returns_time_zone_today_when_zone_is_set
    311. 

  311.     Time.zone = ActiveSupport::TimeZone['Eastern Time (US & Canada)']
    312. 

  312.     with_env_tz 'US/Eastern' do
    313. 

  313.       Time.stubs(:now).returns Time.local(1999, 12, 31, 23, 59, 59)
    314. 

  314.       assert_equal DateTime.new(1999, 12, 31, 23, 59, 59, Rational(-18000, 86400)), DateTime.current
    315. 

  315.     end
    316. 

  316.   ensure
    317. 

  317.     Time.zone = nil
    318. 

  318.   end
    319. 

  319. 

  320.   def test_current_without_time_zone
    321. 

  321.     assert_kind_of DateTime, DateTime.current
    322. 

  322.   end
    323. 

  323. 

  324.   def test_current_with_time_zone
    325. 

  325.     with_env_tz 'US/Eastern' do
    326. 

  326.       assert_kind_of DateTime, DateTime.current
    327. 

  327.     end
    328. 

  328.   end
    329. 

  329. 

  330.   def test_acts_like_time
    331. 

  331.     assert DateTime.new.acts_like_time?
    332. 

  332.   end
    333. 

  333. 

  334.   def test_local_offset
    335. 

  335.     with_env_tz 'US/Eastern' do
    336. 

  336.       assert_equal Rational(-5, 24), DateTime.local_offset
    337. 

  337.     end
    338. 

  338.     with_env_tz 'US/Central' do
    339. 

  339.       assert_equal Rational(-6, 24), DateTime.local_offset
    340. 

  340.     end
    341. 

  341.   end
    342. 

  342. 

  343.   def test_utc?
    344. 

  344.     assert_equal true, DateTime.civil(2005, 2, 21, 10, 11, 12).utc?
    345. 

  345.     assert_equal true, DateTime.civil(2005, 2, 21, 10, 11, 12, 0).utc?
    346. 

  346.     assert_equal false, DateTime.civil(2005, 2, 21, 10, 11, 12, 0.25).utc?
    347. 

  347.     assert_equal false, DateTime.civil(2005, 2, 21, 10, 11, 12, -0.25).utc?
    348. 

  348.   end
    349. 

  349. 

  350.   def test_utc_offset
    351. 

  351.     assert_equal 0, DateTime.civil(2005, 2, 21, 10, 11, 12).utc_offset
    352. 

  352.     assert_equal 0, DateTime.civil(2005, 2, 21, 10, 11, 12, 0).utc_offset
    353. 

  353.     assert_equal 21600, DateTime.civil(2005, 2, 21, 10, 11, 12, 0.25).utc_offset
    354. 

  354.     assert_equal( -21600, DateTime.civil(2005, 2, 21, 10, 11, 12, -0.25).utc_offset )
    355. 

  355.     assert_equal( -18000, DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-5, 24)).utc_offset )
    356. 

  356.   end
    357. 

  357. 

  358.   def test_utc
    359. 

  359.     assert_equal DateTime.civil(2005, 2, 21, 16, 11, 12, 0), DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-6, 24)).utc
    360. 

  360.     assert_equal DateTime.civil(2005, 2, 21, 15, 11, 12, 0), DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-5, 24)).utc
    361. 

  361.     assert_equal DateTime.civil(2005, 2, 21, 10, 11, 12, 0), DateTime.civil(2005, 2, 21, 10, 11, 12, 0).utc
    362. 

  362.     assert_equal DateTime.civil(2005, 2, 21, 9, 11, 12, 0), DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(1, 24)).utc
    363. 

  363.     assert_equal DateTime.civil(2005, 2, 21, 9, 11, 12, 0), DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(1, 24)).getutc
    364. 

  364.   end
    365. 

  365. 

  366.   def test_formatted_offset_with_utc
    367. 

  367.     assert_equal '+00:00', DateTime.civil(2000).formatted_offset
    368. 

  368.     assert_equal '+0000', DateTime.civil(2000).formatted_offset(false)
    369. 

  369.     assert_equal 'UTC', DateTime.civil(2000).formatted_offset(true, 'UTC')
    370. 

  370.   end
    371. 

  371. 

  372.   def test_formatted_offset_with_local
    373. 

  373.     dt = DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-5, 24))
    374. 

  374.     assert_equal '-05:00', dt.formatted_offset
    375. 

  375.     assert_equal '-0500', dt.formatted_offset(false)
    376. 

  376.   end
    377. 

  377. 

  378.   def test_compare_with_time
    379. 

  379.     assert_equal  1, DateTime.civil(2000) <=> Time.utc(1999, 12, 31, 23, 59, 59)
    380. 

  380.     assert_equal  0, DateTime.civil(2000) <=> Time.utc(2000, 1, 1, 0, 0, 0)
    381. 

  381.     assert_equal(-1, DateTime.civil(2000) <=> Time.utc(2000, 1, 1, 0, 0, 1))
    382. 

  382.   end
    383. 

  383. 

  384.   def test_compare_with_datetime
    385. 

  385.     assert_equal  1, DateTime.civil(2000) <=> DateTime.civil(1999, 12, 31, 23, 59, 59)
    386. 

  386.     assert_equal  0, DateTime.civil(2000) <=> DateTime.civil(2000, 1, 1, 0, 0, 0)
    387. 

  387.     assert_equal(-1, DateTime.civil(2000) <=> DateTime.civil(2000, 1, 1, 0, 0, 1))
    388. 

  388.   end
    389. 

  389. 

  390.   def test_compare_with_time_with_zone
    391. 

  391.     assert_equal  1, DateTime.civil(2000) <=> ActiveSupport::TimeWithZone.new( Time.utc(1999, 12, 31, 23, 59, 59), ActiveSupport::TimeZone['UTC'] )
    392. 

  392.     assert_equal  0, DateTime.civil(2000) <=> ActiveSupport::TimeWithZone.new( Time.utc(2000, 1, 1, 0, 0, 0), ActiveSupport::TimeZone['UTC'] )
    393. 

  393.     assert_equal(-1, DateTime.civil(2000) <=> ActiveSupport::TimeWithZone.new( Time.utc(2000, 1, 1, 0, 0, 1), ActiveSupport::TimeZone['UTC'] ))
    394. 

  394.   end
    395. 

  395. 

  396.   def test_to_f
    397. 

  397.     assert_equal 946684800.0, DateTime.civil(2000).to_f
    398. 

  398.     assert_equal 946684800.0, DateTime.civil(1999,12,31,19,0,0,Rational(-5,24)).to_f
    399. 

  399.   end
    400. 

  400. 

  401.   def test_to_i
    402. 

  402.     assert_equal 946684800, DateTime.civil(2000).to_i
    403. 

  403.   end
    404. 

  404. 

  405.   protected
    406. 

  406.     def with_env_tz(new_tz = 'US/Eastern')
    407. 

  407.       old_tz, ENV['TZ'] = ENV['TZ'], new_tz
    408. 

  408.       yield
    409. 

  409.     ensure
    410. 

  410.       old_tz ? ENV['TZ'] = old_tz : ENV.delete('TZ')
    411. 

  411.     end
    412. 

  412. end
    413.