1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
require 'abstract_unit'
class TimeZoneTest < Test::Unit::TestCase
uses_tzinfo 'TestTimeZoneCalculations' do
def test_utc_to_local
silence_warnings do # silence warnings raised by tzinfo gem
zone = TimeZone['Eastern Time (US & Canada)']
assert_equal Time.utc(1999, 12, 31, 19), zone.utc_to_local(Time.utc(2000, 1)) # standard offset -0500
assert_equal Time.utc(2000, 6, 30, 20), zone.utc_to_local(Time.utc(2000, 7)) # dst offset -0400
end
end
def test_local_to_utc
silence_warnings do # silence warnings raised by tzinfo gem
zone = TimeZone['Eastern Time (US & Canada)']
assert_equal Time.utc(2000, 1, 1, 5), zone.local_to_utc(Time.utc(2000, 1)) # standard offset -0500
assert_equal Time.utc(2000, 7, 1, 4), zone.local_to_utc(Time.utc(2000, 7)) # dst offset -0400
end
end
def test_period_for_local
silence_warnings do # silence warnings raised by tzinfo gem
zone = TimeZone['Eastern Time (US & Canada)']
assert_instance_of TZInfo::TimezonePeriod, zone.period_for_local(Time.utc(2000))
end
end
TimeZone::MAPPING.keys.each do |name|
define_method("test_map_#{name.downcase.gsub(/[^a-z]/, '_')}_to_tzinfo") do
silence_warnings do # silence warnings raised by tzinfo gem
zone = TimeZone[name]
assert zone.tzinfo.respond_to?(:period_for_local)
end
end
end
def test_from_integer_to_map
assert_instance_of TimeZone, TimeZone[-28800] # PST
end
def test_from_duration_to_map
assert_instance_of TimeZone, TimeZone[-480.minutes] # PST
end
TimeZone.all.each do |zone|
name = zone.name.downcase.gsub(/[^a-z]/, '_')
define_method("test_from_#{name}_to_map") do
silence_warnings do # silence warnings raised by tzinfo gem
assert_instance_of TimeZone, TimeZone[zone.name]
end
end
define_method("test_utc_offset_for_#{name}") do
silence_warnings do # silence warnings raised by tzinfo gem
period = zone.tzinfo.period_for_utc(Time.utc(2006,1,1,0,0,0))
assert_equal period.utc_offset, zone.utc_offset
end
end
end
uses_mocha 'TestTimeZoneNowAndToday' do
def test_now
with_env_tz 'US/Eastern' do
Time.stubs(:now).returns(Time.local(2000))
zone = TimeZone['Eastern Time (US & Canada)']
assert_instance_of ActiveSupport::TimeWithZone, zone.now
assert_equal Time.utc(2000,1,1,5), zone.now.utc
assert_equal Time.utc(2000), zone.now.time
assert_equal zone, zone.now.time_zone
end
end
def test_now_enforces_spring_dst_rules
with_env_tz 'US/Eastern' do
Time.stubs(:now).returns(Time.local(2006,4,2,2)) # 2AM springs forward to 3AM
zone = TimeZone['Eastern Time (US & Canada)']
assert_equal Time.utc(2006,4,2,3), zone.now.time
assert_equal true, zone.now.dst?
end
end
def test_now_enforces_fall_dst_rules
with_env_tz 'US/Eastern' do
Time.stubs(:now).returns(Time.at(1162098000)) # equivalent to 1AM DST
zone = TimeZone['Eastern Time (US & Canada)']
assert_equal Time.utc(2006,10,29,1), zone.now.time
assert_equal true, zone.now.dst?
end
end
def test_today
TZInfo::DataTimezone.any_instance.stubs(:now).returns(Time.utc(2000))
assert_equal Date.new(2000), TimeZone['Eastern Time (US & Canada)'].today
end
end
end
def test_formatted_offset_positive
zone = TimeZone['Moscow']
assert_equal "+03:00", zone.formatted_offset
assert_equal "+0300", zone.formatted_offset(false)
end
def test_formatted_offset_negative
zone = TimeZone['Eastern Time (US & Canada)']
assert_equal "-05:00", zone.formatted_offset
assert_equal "-0500", zone.formatted_offset(false)
end
def test_formatted_offset_zero
zone = TimeZone['London']
assert_equal "+00:00", zone.formatted_offset
assert_equal "UTC", zone.formatted_offset(true, 'UTC')
end
def test_zone_compare
zone1 = TimeZone['Central Time (US & Canada)'] # offset -0600
zone2 = TimeZone['Eastern Time (US & Canada)'] # offset -0500
assert zone1 < zone2
assert zone2 > zone1
assert zone1 == zone1
end
def test_to_s
assert_equal "(UTC+03:00) Moscow", TimeZone['Moscow'].to_s
end
def test_all_sorted
all = TimeZone.all
1.upto( all.length-1 ) do |i|
assert all[i-1] < all[i]
end
end
def test_index
assert_nil TimeZone["bogus"]
assert_instance_of TimeZone, TimeZone["Central Time (US & Canada)"]
assert_instance_of TimeZone, TimeZone[8]
assert_raises(ArgumentError) { TimeZone[false] }
end
def test_new
assert_equal TimeZone["Central Time (US & Canada)"], TimeZone.new("Central Time (US & Canada)")
end
def test_us_zones
assert TimeZone.us_zones.include?(TimeZone["Hawaii"])
assert !TimeZone.us_zones.include?(TimeZone["Kuala Lumpur"])
end
def test_local
time = TimeZone["Hawaii"].local(2007, 2, 5, 15, 30, 45)
assert_equal Time.utc(2007, 2, 5, 15, 30, 45), time.time
assert_equal TimeZone["Hawaii"], time.time_zone
end
def test_local_with_old_date
silence_warnings do # silence warnings raised by tzinfo gem
time = TimeZone["Hawaii"].local(1850, 2, 5, 15, 30, 45)
assert_equal [45,30,15,5,2,1850], time.to_a[0,6]
assert_equal TimeZone["Hawaii"], time.time_zone
end
end
def test_local_enforces_spring_dst_rules
zone = TimeZone['Eastern Time (US & Canada)']
twz = zone.local(2006,4,2,1,59,59) # 1 second before DST start
assert_equal Time.utc(2006,4,2,1,59,59), twz.time
assert_equal Time.utc(2006,4,2,6,59,59), twz.utc
assert_equal false, twz.dst?
assert_equal 'EST', twz.zone
twz2 = zone.local(2006,4,2,2) # 2AM does not exist because at 2AM, time springs forward to 3AM
assert_equal Time.utc(2006,4,2,3), twz2.time # twz is created for 3AM
assert_equal Time.utc(2006,4,2,7), twz2.utc
assert_equal true, twz2.dst?
assert_equal 'EDT', twz2.zone
twz3 = zone.local(2006,4,2,2,30) # 2:30AM does not exist because at 2AM, time springs forward to 3AM
assert_equal Time.utc(2006,4,2,3,30), twz3.time # twz is created for 3:30AM
assert_equal Time.utc(2006,4,2,7,30), twz3.utc
assert_equal true, twz3.dst?
assert_equal 'EDT', twz3.zone
end
def test_local_enforces_fall_dst_rules
# 1AM during fall DST transition is ambiguous, it could be either DST or non-DST 1AM
# Mirroring Time.local behavior, this method selects the DST time
zone = TimeZone['Eastern Time (US & Canada)']
twz = zone.local(2006,10,29,1)
assert_equal Time.utc(2006,10,29,1), twz.time
assert_equal Time.utc(2006,10,29,5), twz.utc
assert_equal true, twz.dst?
assert_equal 'EDT', twz.zone
end
def test_at
zone = TimeZone['Eastern Time (US & Canada)']
secs = 946684800.0
twz = zone.at(secs)
assert_equal Time.utc(1999,12,31,19), twz.time
assert_equal Time.utc(2000), twz.utc
assert_equal zone, twz.time_zone
assert_equal secs, twz.to_f
end
def test_at_with_old_date
zone = TimeZone['Eastern Time (US & Canada)']
secs = DateTime.civil(1850).to_f
twz = zone.at(secs)
assert_equal [1850, 1, 1, 0], [twz.utc.year, twz.utc.mon, twz.utc.day, twz.utc.hour]
assert_equal zone, twz.time_zone
assert_equal secs, twz.to_f
end
def test_parse
zone = TimeZone['Eastern Time (US & Canada)']
twz = zone.parse('1999-12-31 19:00:00')
assert_equal Time.utc(1999,12,31,19), twz.time
assert_equal Time.utc(2000), twz.utc
assert_equal zone, twz.time_zone
end
def test_parse_with_old_date
silence_warnings do # silence warnings raised by tzinfo gem
zone = TimeZone['Eastern Time (US & Canada)']
twz = zone.parse('1850-12-31 19:00:00')
assert_equal [0,0,19,31,12,1850], twz.to_a[0,6]
assert_equal zone, twz.time_zone
end
end
uses_mocha 'TestParseWithIncompleteDate' do
def test_parse_with_incomplete_date
zone = TimeZone['Eastern Time (US & Canada)']
zone.stubs(:now).returns zone.local(1999,12,31)
twz = zone.parse('19:00:00')
assert_equal Time.utc(1999,12,31,19), twz.time
end
end
protected
def with_env_tz(new_tz = 'US/Eastern')
old_tz, ENV['TZ'] = ENV['TZ'], new_tz
yield
ensure
old_tz ? ENV['TZ'] = old_tz : ENV.delete('TZ')
end
end
|
