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/activesupport/test/core_ext/date_time_ext_test.rb

https://github.com/ghar/rails
Ruby | 394 lines | 334 code | 57 blank | 3 comment | 0 complexity | c11e558b3f30b9dcbe01a666e03272e9 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, 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, 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_beginning_of_week
    58. 

  58.     assert_equal DateTime.civil(2005,1,31), DateTime.civil(2005,2,4,10,10,10).beginning_of_week
    59. 

  59.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,11,28,0,0,0).beginning_of_week #monday
    60. 

  60.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,11,29,0,0,0).beginning_of_week #tuesday
    61. 

  61.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,11,30,0,0,0).beginning_of_week #wednesday
    62. 

  62.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,01,0,0,0).beginning_of_week #thursday
    63. 

  63.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,02,0,0,0).beginning_of_week #friday
    64. 

  64.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,03,0,0,0).beginning_of_week #saturday
    65. 

  65.     assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,04,0,0,0).beginning_of_week #sunday
    66. 

  66.   end
    67. 

  67. 

  68.   def test_beginning_of_day
    69. 

  69.     assert_equal DateTime.civil(2005,2,4,0,0,0), DateTime.civil(2005,2,4,10,10,10).beginning_of_day
    70. 

  70.   end
    71. 

  71. 

  72.   def test_end_of_day
    73. 

  73.     assert_equal DateTime.civil(2005,2,4,23,59,59), DateTime.civil(2005,2,4,10,10,10).end_of_day
    74. 

  74.   end
    75. 

  75. 

  76.   def test_beginning_of_month
    77. 

  77.     assert_equal DateTime.civil(2005,2,1,0,0,0), DateTime.civil(2005,2,22,10,10,10).beginning_of_month
    78. 

  78.   end
    79. 

  79. 

  80.   def test_beginning_of_quarter
    81. 

  81.     assert_equal DateTime.civil(2005,1,1,0,0,0), DateTime.civil(2005,2,15,10,10,10).beginning_of_quarter
    82. 

  82.     assert_equal DateTime.civil(2005,1,1,0,0,0), DateTime.civil(2005,1,1,0,0,0).beginning_of_quarter
    83. 

  83.     assert_equal DateTime.civil(2005,10,1,0,0,0), DateTime.civil(2005,12,31,10,10,10).beginning_of_quarter
    84. 

  84.     assert_equal DateTime.civil(2005,4,1,0,0,0), DateTime.civil(2005,6,30,23,59,59).beginning_of_quarter
    85. 

  85.   end
    86. 

  86. 

  87.   def test_end_of_month
    88. 

  88.     assert_equal DateTime.civil(2005,3,31,23,59,59), DateTime.civil(2005,3,20,10,10,10).end_of_month
    89. 

  89.     assert_equal DateTime.civil(2005,2,28,23,59,59), DateTime.civil(2005,2,20,10,10,10).end_of_month
    90. 

  90.     assert_equal DateTime.civil(2005,4,30,23,59,59), DateTime.civil(2005,4,20,10,10,10).end_of_month
    91. 

  91.   end
    92. 

  92. 

  93.   def test_beginning_of_year
    94. 

  94.     assert_equal DateTime.civil(2005,1,1,0,0,0), DateTime.civil(2005,2,22,10,10,10).beginning_of_year
    95. 

  95.   end
    96. 

  96. 

  97.   def test_weeks_ago
    98. 

  98.     assert_equal DateTime.civil(2005,5,29,10),  DateTime.civil(2005,6,5,10,0,0).weeks_ago(1)
    99. 

  99.     assert_equal DateTime.civil(2005,5,1,10), DateTime.civil(2005,6,5,10,0,0).weeks_ago(5)
    100. 

  100.     assert_equal DateTime.civil(2005,4,24,10), DateTime.civil(2005,6,5,10,0,0).weeks_ago(6)
    101. 

  101.     assert_equal DateTime.civil(2005,2,27,10),  DateTime.civil(2005,6,5,10,0,0).weeks_ago(14)
    102. 

  102.     assert_equal DateTime.civil(2004,12,25,10),  DateTime.civil(2005,1,1,10,0,0).weeks_ago(1)    
    103. 

  103.   end
    104. 

  104. 

  105.   def test_months_ago
    106. 

  106.     assert_equal DateTime.civil(2005,5,5,10),  DateTime.civil(2005,6,5,10,0,0).months_ago(1)
    107. 

  107.     assert_equal DateTime.civil(2004,11,5,10), DateTime.civil(2005,6,5,10,0,0).months_ago(7)
    108. 

  108.     assert_equal DateTime.civil(2004,12,5,10), DateTime.civil(2005,6,5,10,0,0).months_ago(6)
    109. 

  109.     assert_equal DateTime.civil(2004,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_ago(12)
    110. 

  110.     assert_equal DateTime.civil(2003,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_ago(24)
    111. 

  111.   end
    112. 

  112. 

  113.   def test_months_since
    114. 

  114.     assert_equal DateTime.civil(2005,7,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(1)
    115. 

  115.     assert_equal DateTime.civil(2006,1,5,10),  DateTime.civil(2005,12,5,10,0,0).months_since(1)
    116. 

  116.     assert_equal DateTime.civil(2005,12,5,10), DateTime.civil(2005,6,5,10,0,0).months_since(6)
    117. 

  117.     assert_equal DateTime.civil(2006,6,5,10),  DateTime.civil(2005,12,5,10,0,0).months_since(6)
    118. 

  118.     assert_equal DateTime.civil(2006,1,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(7)
    119. 

  119.     assert_equal DateTime.civil(2006,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(12)
    120. 

  120.     assert_equal DateTime.civil(2007,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(24)
    121. 

  121.     assert_equal DateTime.civil(2005,4,30,10),  DateTime.civil(2005,3,31,10,0,0).months_since(1)
    122. 

  122.     assert_equal DateTime.civil(2005,2,28,10),  DateTime.civil(2005,1,29,10,0,0).months_since(1)
    123. 

  123.     assert_equal DateTime.civil(2005,2,28,10),  DateTime.civil(2005,1,30,10,0,0).months_since(1)
    124. 

  124.     assert_equal DateTime.civil(2005,2,28,10),  DateTime.civil(2005,1,31,10,0,0).months_since(1)
    125. 

  125.   end
    126. 

  126. 

  127.   def test_years_ago
    128. 

  128.     assert_equal DateTime.civil(2004,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_ago(1)
    129. 

  129.     assert_equal DateTime.civil(1998,6,5,10), DateTime.civil(2005,6,5,10,0,0).years_ago(7)
    130. 

  130.     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
    131. 

  131.   end
    132. 

  132. 

  133.   def test_years_since
    134. 

  134.     assert_equal DateTime.civil(2006,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_since(1)
    135. 

  135.     assert_equal DateTime.civil(2012,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_since(7)
    136. 

  136.     assert_equal DateTime.civil(2182,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_since(177)
    137. 

  137.     assert_equal DateTime.civil(2005,2,28,10), DateTime.civil(2004,2,29,10,0,0).years_since(1) # 1 year since leap day
    138. 

  138.   end
    139. 

  139. 

  140.   def test_prev_year
    141. 

  141.     assert_equal DateTime.civil(2004,6,5,10),  DateTime.civil(2005,6,5,10,0,0).prev_year
    142. 

  142.   end
    143. 

  143. 

  144.   def test_next_year
    145. 

  145.     assert_equal DateTime.civil(2006,6,5,10), DateTime.civil(2005,6,5,10,0,0).next_year
    146. 

  146.   end
    147. 

  147. 

  148.   def test_ago
    149. 

  149.     assert_equal DateTime.civil(2005,2,22,10,10,9),  DateTime.civil(2005,2,22,10,10,10).ago(1)
    150. 

  150.     assert_equal DateTime.civil(2005,2,22,9,10,10),  DateTime.civil(2005,2,22,10,10,10).ago(3600)
    151. 

  151.     assert_equal DateTime.civil(2005,2,20,10,10,10), DateTime.civil(2005,2,22,10,10,10).ago(86400*2)
    152. 

  152.     assert_equal DateTime.civil(2005,2,20,9,9,45),   DateTime.civil(2005,2,22,10,10,10).ago(86400*2 + 3600 + 25)
    153. 

  153.   end
    154. 

  154. 

  155.   def test_since
    156. 

  156.     assert_equal DateTime.civil(2005,2,22,10,10,11), DateTime.civil(2005,2,22,10,10,10).since(1)
    157. 

  157.     assert_equal DateTime.civil(2005,2,22,11,10,10), DateTime.civil(2005,2,22,10,10,10).since(3600)
    158. 

  158.     assert_equal DateTime.civil(2005,2,24,10,10,10), DateTime.civil(2005,2,22,10,10,10).since(86400*2)
    159. 

  159.     assert_equal DateTime.civil(2005,2,24,11,10,35), DateTime.civil(2005,2,22,10,10,10).since(86400*2 + 3600 + 25)
    160. 

  160.     assert_equal DateTime.civil(2005,2,22,10,10,11), DateTime.civil(2005,2,22,10,10,10).since(1.333)
    161. 

  161.     assert_equal DateTime.civil(2005,2,22,10,10,12), DateTime.civil(2005,2,22,10,10,10).since(1.667)
    162. 

  162.   end
    163. 

  163. 

  164.   def test_yesterday
    165. 

  165.     assert_equal DateTime.civil(2005,2,21,10,10,10), DateTime.civil(2005,2,22,10,10,10).yesterday
    166. 

  166.     assert_equal DateTime.civil(2005,2,28,10,10,10), DateTime.civil(2005,3,2,10,10,10).yesterday.yesterday
    167. 

  167.   end
    168. 

  168. 

  169.   def test_tomorrow
    170. 

  170.     assert_equal DateTime.civil(2005,2,23,10,10,10), DateTime.civil(2005,2,22,10,10,10).tomorrow
    171. 

  171.     assert_equal DateTime.civil(2005,3,2,10,10,10),  DateTime.civil(2005,2,28,10,10,10).tomorrow.tomorrow
    172. 

  172.   end
    173. 

  173. 

  174.   def test_change
    175. 

  175.     assert_equal DateTime.civil(2006,2,22,15,15,10), DateTime.civil(2005,2,22,15,15,10).change(:year => 2006)
    176. 

  176.     assert_equal DateTime.civil(2005,6,22,15,15,10), DateTime.civil(2005,2,22,15,15,10).change(:month => 6)
    177. 

  177.     assert_equal DateTime.civil(2012,9,22,15,15,10), DateTime.civil(2005,2,22,15,15,10).change(:year => 2012, :month => 9)
    178. 

  178.     assert_equal DateTime.civil(2005,2,22,16),       DateTime.civil(2005,2,22,15,15,10).change(:hour => 16)
    179. 

  179.     assert_equal DateTime.civil(2005,2,22,16,45),    DateTime.civil(2005,2,22,15,15,10).change(:hour => 16, :min => 45)
    180. 

  180.     assert_equal DateTime.civil(2005,2,22,15,45),    DateTime.civil(2005,2,22,15,15,10).change(:min => 45)
    181. 

  181.   end
    182. 

  182. 

  183.   def test_advance
    184. 

  184.     assert_equal DateTime.civil(2006,2,28,15,15,10),  DateTime.civil(2005,2,28,15,15,10).advance(:years => 1)
    185. 

  185.     assert_equal DateTime.civil(2005,6,28,15,15,10),  DateTime.civil(2005,2,28,15,15,10).advance(:months => 4)
    186. 

  186.     assert_equal DateTime.civil(2005,3,21,15,15,10),  DateTime.civil(2005,2,28,15,15,10).advance(:weeks => 3)
    187. 

  187.     assert_equal DateTime.civil(2005,3,5,15,15,10),   DateTime.civil(2005,2,28,15,15,10).advance(:days => 5)
    188. 

  188.     assert_equal DateTime.civil(2012,9,28,15,15,10),  DateTime.civil(2005,2,28,15,15,10).advance(:years => 7, :months => 7)
    189. 

  189.     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)
    190. 

  190.     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)
    191. 

  191.     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)
    192. 

  192.     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
    193. 

  193.     assert_equal DateTime.civil(2005,2,28,20,15,10),  DateTime.civil(2005,2,28,15,15,10).advance(:hours => 5)
    194. 

  194.     assert_equal DateTime.civil(2005,2,28,15,22,10),  DateTime.civil(2005,2,28,15,15,10).advance(:minutes => 7)
    195. 

  195.     assert_equal DateTime.civil(2005,2,28,15,15,19),  DateTime.civil(2005,2,28,15,15,10).advance(:seconds => 9)
    196. 

  196.     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)
    197. 

  197.     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)
    198. 

  198.     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)
    199. 

  199.   end
    200. 

  200. 

  201.   def test_advanced_processes_first_the_date_deltas_and_then_the_time_deltas
    202. 

  202.     # If the time deltas were processed first, the following datetimes would be advanced to 2010/04/01 instead.
    203. 

  203.     assert_equal DateTime.civil(2010, 3, 29), DateTime.civil(2010, 2, 28, 23, 59, 59).advance(:months => 1, :seconds => 1)
    204. 

  204.     assert_equal DateTime.civil(2010, 3, 29), DateTime.civil(2010, 2, 28, 23, 59).advance(:months => 1, :minutes => 1)
    205. 

  205.     assert_equal DateTime.civil(2010, 3, 29), DateTime.civil(2010, 2, 28, 23).advance(:months => 1, :hours => 1)
    206. 

  206.     assert_equal DateTime.civil(2010, 3, 29), DateTime.civil(2010, 2, 28, 22, 58, 59).advance(:months => 1, :hours => 1, :minutes => 1, :seconds => 1)
    207. 

  207.   end
    208. 

  208. 

  209.   def test_prev_week
    210. 

  210.     assert_equal DateTime.civil(2005,2,21), DateTime.civil(2005,3,1,15,15,10).prev_week
    211. 

  211.     assert_equal DateTime.civil(2005,2,22), DateTime.civil(2005,3,1,15,15,10).prev_week(:tuesday)
    212. 

  212.     assert_equal DateTime.civil(2005,2,25), DateTime.civil(2005,3,1,15,15,10).prev_week(:friday)
    213. 

  213.     assert_equal DateTime.civil(2006,10,30), DateTime.civil(2006,11,6,0,0,0).prev_week
    214. 

  214.     assert_equal DateTime.civil(2006,11,15), DateTime.civil(2006,11,23,0,0,0).prev_week(:wednesday)
    215. 

  215.   end
    216. 

  216. 

  217.   def test_next_week
    218. 

  218.     assert_equal DateTime.civil(2005,2,28), DateTime.civil(2005,2,22,15,15,10).next_week
    219. 

  219.     assert_equal DateTime.civil(2005,3,4), DateTime.civil(2005,2,22,15,15,10).next_week(:friday)
    220. 

  220.     assert_equal DateTime.civil(2006,10,30), DateTime.civil(2006,10,23,0,0,0).next_week
    221. 

  221.     assert_equal DateTime.civil(2006,11,1), DateTime.civil(2006,10,23,0,0,0).next_week(:wednesday)
    222. 

  222.   end
    223. 

  223. 

  224.   def test_next_month_on_31st
    225. 

  225.     assert_equal DateTime.civil(2005, 9, 30), DateTime.civil(2005, 8, 31).next_month
    226. 

  226.   end
    227. 

  227. 

  228.   def test_prev_month_on_31st
    229. 

  229.     assert_equal DateTime.civil(2004, 2, 29), DateTime.civil(2004, 3, 31).prev_month
    230. 

  230.   end
    231. 

  231. 

  232.   def test_xmlschema
    233. 

  233.     assert_match(/^1880-02-28T15:15:10\+00:?00$/, DateTime.civil(1880, 2, 28, 15, 15, 10).xmlschema)
    234. 

  234.     assert_match(/^1980-02-28T15:15:10\+00:?00$/, DateTime.civil(1980, 2, 28, 15, 15, 10).xmlschema)
    235. 

  235.     assert_match(/^2080-02-28T15:15:10\+00:?00$/, DateTime.civil(2080, 2, 28, 15, 15, 10).xmlschema)
    236. 

  236.     assert_match(/^1880-02-28T15:15:10-06:?00$/, DateTime.civil(1880, 2, 28, 15, 15, 10, -0.25).xmlschema)
    237. 

  237.     assert_match(/^1980-02-28T15:15:10-06:?00$/, DateTime.civil(1980, 2, 28, 15, 15, 10, -0.25).xmlschema)
    238. 

  238.     assert_match(/^2080-02-28T15:15:10-06:?00$/, DateTime.civil(2080, 2, 28, 15, 15, 10, -0.25).xmlschema)
    239. 

  239.   end
    240. 

  240. 

  241.   def test_today_with_offset
    242. 

  242.     Date.stubs(:current).returns(Date.new(2000, 1, 1))
    243. 

  243.     assert_equal false, DateTime.civil(1999,12,31,23,59,59, Rational(-18000, 86400)).today?
    244. 

  244.     assert_equal true,  DateTime.civil(2000,1,1,0,0,0, Rational(-18000, 86400)).today?
    245. 

  245.     assert_equal true,  DateTime.civil(2000,1,1,23,59,59, Rational(-18000, 86400)).today?
    246. 

  246.     assert_equal false, DateTime.civil(2000,1,2,0,0,0, Rational(-18000, 86400)).today?
    247. 

  247.   end
    248. 

  248. 

  249.   def test_today_without_offset
    250. 

  250.     Date.stubs(:current).returns(Date.new(2000, 1, 1))
    251. 

  251.     assert_equal false, DateTime.civil(1999,12,31,23,59,59).today?
    252. 

  252.     assert_equal true,  DateTime.civil(2000,1,1,0).today?
    253. 

  253.     assert_equal true,  DateTime.civil(2000,1,1,23,59,59).today?
    254. 

  254.     assert_equal false, DateTime.civil(2000,1,2,0).today?
    255. 

  255.   end
    256. 

  256. 

  257.   def test_past_with_offset
    258. 

  258.     DateTime.stubs(:current).returns(DateTime.civil(2005,2,10,15,30,45, Rational(-18000, 86400)))
    259. 

  259.     assert_equal true,  DateTime.civil(2005,2,10,15,30,44, Rational(-18000, 86400)).past?
    260. 

  260.     assert_equal false,  DateTime.civil(2005,2,10,15,30,45, Rational(-18000, 86400)).past?
    261. 

  261.     assert_equal false,  DateTime.civil(2005,2,10,15,30,46, Rational(-18000, 86400)).past?
    262. 

  262.   end
    263. 

  263. 

  264.   def test_past_without_offset
    265. 

  265.     DateTime.stubs(:current).returns(DateTime.civil(2005,2,10,15,30,45, Rational(-18000, 86400)))
    266. 

  266.     assert_equal true,  DateTime.civil(2005,2,10,20,30,44).past?
    267. 

  267.     assert_equal false,  DateTime.civil(2005,2,10,20,30,45).past?
    268. 

  268.     assert_equal false,  DateTime.civil(2005,2,10,20,30,46).past?
    269. 

  269.   end
    270. 

  270. 

  271.   def test_future_with_offset
    272. 

  272.     DateTime.stubs(:current).returns(DateTime.civil(2005,2,10,15,30,45, Rational(-18000, 86400)))
    273. 

  273.     assert_equal false,  DateTime.civil(2005,2,10,15,30,44, Rational(-18000, 86400)).future?
    274. 

  274.     assert_equal false,  DateTime.civil(2005,2,10,15,30,45, Rational(-18000, 86400)).future?
    275. 

  275.     assert_equal true,  DateTime.civil(2005,2,10,15,30,46, Rational(-18000, 86400)).future?
    276. 

  276.   end
    277. 

  277. 

  278.   def test_future_without_offset
    279. 

  279.     DateTime.stubs(:current).returns(DateTime.civil(2005,2,10,15,30,45, Rational(-18000, 86400)))
    280. 

  280.     assert_equal false,  DateTime.civil(2005,2,10,20,30,44).future?
    281. 

  281.     assert_equal false,  DateTime.civil(2005,2,10,20,30,45).future?
    282. 

  282.     assert_equal true,  DateTime.civil(2005,2,10,20,30,46).future?
    283. 

  283.   end
    284. 

  284. 

  285.   def test_current_returns_date_today_when_zone_is_not_set
    286. 

  286.     with_env_tz 'US/Eastern' do
    287. 

  287.       Time.stubs(:now).returns Time.local(1999, 12, 31, 23, 59, 59)
    288. 

  288.       assert_equal DateTime.new(1999, 12, 31, 23, 59, 59, Rational(-18000, 86400)), DateTime.current
    289. 

  289.     end
    290. 

  290.   end
    291. 

  291. 

  292.   def test_current_returns_time_zone_today_when_zone_is_set
    293. 

  293.     Time.zone = ActiveSupport::TimeZone['Eastern Time (US & Canada)']
    294. 

  294.     with_env_tz 'US/Eastern' do
    295. 

  295.       Time.stubs(:now).returns Time.local(1999, 12, 31, 23, 59, 59)
    296. 

  296.       assert_equal DateTime.new(1999, 12, 31, 23, 59, 59, Rational(-18000, 86400)), DateTime.current
    297. 

  297.     end
    298. 

  298.   ensure
    299. 

  299.     Time.zone = nil
    300. 

  300.   end
    301. 

  301. 

  302.   def test_current_without_time_zone
    303. 

  303.     assert_kind_of DateTime, DateTime.current
    304. 

  304.   end
    305. 

  305. 

  306.   def test_current_with_time_zone
    307. 

  307.     with_env_tz 'US/Eastern' do
    308. 

  308.       assert_kind_of DateTime, DateTime.current
    309. 

  309.     end
    310. 

  310.   end
    311. 

  311. 

  312.   def test_acts_like_time
    313. 

  313.     assert DateTime.new.acts_like_time?
    314. 

  314.   end
    315. 

  315. 

  316.   def test_local_offset
    317. 

  317.     with_env_tz 'US/Eastern' do
    318. 

  318.       assert_equal Rational(-5, 24), DateTime.local_offset
    319. 

  319.     end
    320. 

  320.     with_env_tz 'US/Central' do
    321. 

  321.       assert_equal Rational(-6, 24), DateTime.local_offset
    322. 

  322.     end
    323. 

  323.   end
    324. 

  324. 

  325.   def test_utc?
    326. 

  326.     assert_equal true, DateTime.civil(2005, 2, 21, 10, 11, 12).utc?
    327. 

  327.     assert_equal true, DateTime.civil(2005, 2, 21, 10, 11, 12, 0).utc?
    328. 

  328.     assert_equal false, DateTime.civil(2005, 2, 21, 10, 11, 12, 0.25).utc?
    329. 

  329.     assert_equal false, DateTime.civil(2005, 2, 21, 10, 11, 12, -0.25).utc?
    330. 

  330.   end
    331. 

  331. 

  332.   def test_utc_offset
    333. 

  333.     assert_equal 0, DateTime.civil(2005, 2, 21, 10, 11, 12).utc_offset
    334. 

  334.     assert_equal 0, DateTime.civil(2005, 2, 21, 10, 11, 12, 0).utc_offset
    335. 

  335.     assert_equal 21600, DateTime.civil(2005, 2, 21, 10, 11, 12, 0.25).utc_offset
    336. 

  336.     assert_equal( -21600, DateTime.civil(2005, 2, 21, 10, 11, 12, -0.25).utc_offset )
    337. 

  337.     assert_equal( -18000, DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-5, 24)).utc_offset )
    338. 

  338.   end
    339. 

  339. 

  340.   def test_utc
    341. 

  341.     assert_equal DateTime.civil(2005, 2, 21, 16, 11, 12, 0), DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-6, 24)).utc
    342. 

  342.     assert_equal DateTime.civil(2005, 2, 21, 15, 11, 12, 0), DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-5, 24)).utc
    343. 

  343.     assert_equal DateTime.civil(2005, 2, 21, 10, 11, 12, 0), DateTime.civil(2005, 2, 21, 10, 11, 12, 0).utc
    344. 

  344.     assert_equal DateTime.civil(2005, 2, 21, 9, 11, 12, 0), DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(1, 24)).utc
    345. 

  345.     assert_equal DateTime.civil(2005, 2, 21, 9, 11, 12, 0), DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(1, 24)).getutc
    346. 

  346.   end
    347. 

  347. 

  348.   def test_formatted_offset_with_utc
    349. 

  349.     assert_equal '+00:00', DateTime.civil(2000).formatted_offset
    350. 

  350.     assert_equal '+0000', DateTime.civil(2000).formatted_offset(false)
    351. 

  351.     assert_equal 'UTC', DateTime.civil(2000).formatted_offset(true, 'UTC')
    352. 

  352.   end
    353. 

  353. 

  354.   def test_formatted_offset_with_local
    355. 

  355.     dt = DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-5, 24))
    356. 

  356.     assert_equal '-05:00', dt.formatted_offset
    357. 

  357.     assert_equal '-0500', dt.formatted_offset(false)
    358. 

  358.   end
    359. 

  359. 

  360.   def test_compare_with_time
    361. 

  361.     assert_equal  1, DateTime.civil(2000) <=> Time.utc(1999, 12, 31, 23, 59, 59)
    362. 

  362.     assert_equal  0, DateTime.civil(2000) <=> Time.utc(2000, 1, 1, 0, 0, 0)
    363. 

  363.     assert_equal(-1, DateTime.civil(2000) <=> Time.utc(2000, 1, 1, 0, 0, 1))
    364. 

  364.   end
    365. 

  365. 

  366.   def test_compare_with_datetime
    367. 

  367.     assert_equal  1, DateTime.civil(2000) <=> DateTime.civil(1999, 12, 31, 23, 59, 59)
    368. 

  368.     assert_equal  0, DateTime.civil(2000) <=> DateTime.civil(2000, 1, 1, 0, 0, 0)
    369. 

  369.     assert_equal(-1, DateTime.civil(2000) <=> DateTime.civil(2000, 1, 1, 0, 0, 1))
    370. 

  370.   end
    371. 

  371. 

  372.   def test_compare_with_time_with_zone
    373. 

  373.     assert_equal  1, DateTime.civil(2000) <=> ActiveSupport::TimeWithZone.new( Time.utc(1999, 12, 31, 23, 59, 59), ActiveSupport::TimeZone['UTC'] )
    374. 

  374.     assert_equal  0, DateTime.civil(2000) <=> ActiveSupport::TimeWithZone.new( Time.utc(2000, 1, 1, 0, 0, 0), ActiveSupport::TimeZone['UTC'] )
    375. 

  375.     assert_equal(-1, DateTime.civil(2000) <=> ActiveSupport::TimeWithZone.new( Time.utc(2000, 1, 1, 0, 0, 1), ActiveSupport::TimeZone['UTC'] ))
    376. 

  376.   end
    377. 

  377. 

  378.   def test_to_f
    379. 

  379.     assert_equal 946684800.0, DateTime.civil(2000).to_f
    380. 

  380.     assert_equal 946684800.0, DateTime.civil(1999,12,31,19,0,0,Rational(-5,24)).to_f
    381. 

  381.   end
    382. 

  382. 

  383.   def test_to_i
    384. 

  384.     assert_equal 946684800, DateTime.civil(2000).to_i
    385. 

  385.   end
    386. 

  386. 

  387.   protected
    388. 

  388.     def with_env_tz(new_tz = 'US/Eastern')
    389. 

  389.       old_tz, ENV['TZ'] = ENV['TZ'], new_tz
    390. 

  390.       yield
    391. 

  391.     ensure
    392. 

  392.       old_tz ? ENV['TZ'] = old_tz : ENV.delete('TZ')
    393. 

  393.     end
    394. 

  394. end
    395. 

  395.