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-rw-r--r--activesupport/CHANGELOG.md6
-rw-r--r--activesupport/lib/active_support/core_ext/time/calculations.rb11
-rw-r--r--activesupport/test/core_ext/time_ext_test.rb37
3 files changed, 51 insertions, 3 deletions
diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md
index 79bccf6d7e..21a726bfc1 100644
--- a/activesupport/CHANGELOG.md
+++ b/activesupport/CHANGELOG.md
@@ -1,5 +1,11 @@
## unreleased ##
+* Make `Time.at_with_coercion` retain the second fraction and offset from UTC.
+
+ Fixes #11350
+
+ *Neer Friedman*, *Andrew White*
+
* Fix `ActiveSupport::TaggedLogging` incorrectly providing program name the same as log message
even when block is not provided.
diff --git a/activesupport/lib/active_support/core_ext/time/calculations.rb b/activesupport/lib/active_support/core_ext/time/calculations.rb
index 7524063efb..9663edb0ad 100644
--- a/activesupport/lib/active_support/core_ext/time/calculations.rb
+++ b/activesupport/lib/active_support/core_ext/time/calculations.rb
@@ -49,10 +49,15 @@ class Time
# Layers additional behavior on Time.at so that ActiveSupport::TimeWithZone and DateTime
# instances can be used when called with a single argument
def at_with_coercion(*args)
- if args.size == 1 && args.first.acts_like?(:time)
- at_without_coercion(args.first.to_i)
+ return at_without_coercion(*args) if args.size != 1
+
+ # Time.at can be called with a time or numerical value
+ time_or_number = args.first
+
+ if time_or_number.is_a?(ActiveSupport::TimeWithZone) || time_or_number.is_a?(DateTime)
+ at_without_coercion(time_or_number.to_f).getlocal(time_or_number.utc_offset)
else
- at_without_coercion(*args)
+ at_without_coercion(time_or_number)
end
end
alias_method :at_without_coercion, :at
diff --git a/activesupport/test/core_ext/time_ext_test.rb b/activesupport/test/core_ext/time_ext_test.rb
index a22e161279..57ead2edc5 100644
--- a/activesupport/test/core_ext/time_ext_test.rb
+++ b/activesupport/test/core_ext/time_ext_test.rb
@@ -785,6 +785,12 @@ class TimeExtCalculationsTest < ActiveSupport::TestCase
end
end
+ def test_at_with_datetime_maintains_offset
+ with_env_tz 'US/Eastern' do
+ assert_equal 3600, Time.at(DateTime.civil(2000, 1, 1, 0, 0, 0, '+1')).utc_offset
+ end
+ end
+
def test_at_with_time_with_zone
assert_equal Time.utc(2000, 1, 1, 0, 0, 0), Time.at(ActiveSupport::TimeWithZone.new(Time.utc(2000, 1, 1, 0, 0, 0), ActiveSupport::TimeZone['UTC']))
@@ -796,6 +802,37 @@ class TimeExtCalculationsTest < ActiveSupport::TestCase
end
end
+ def test_at_with_time_with_zone_maintains_offset
+ with_env_tz 'US/Eastern' do
+ assert_equal 0, Time.at(ActiveSupport::TimeWithZone.new(Time.utc(2000, 1, 1, 0, 0, 0), ActiveSupport::TimeZone['London'])).utc_offset
+ assert_equal 3600, Time.at(ActiveSupport::TimeWithZone.new(Time.utc(2000, 7, 1, 0, 0, 0), ActiveSupport::TimeZone['London'])).utc_offset
+ end
+ end
+
+ def test_at_with_time_microsecond_precision
+ assert_equal Time.at(Time.utc(2000, 1, 1, 0, 0, 0, 111)).to_f, Time.utc(2000, 1, 1, 0, 0, 0, 111).to_f
+ end
+
+ def test_at_with_utc_time
+ with_env_tz 'US/Eastern' do
+ assert_equal Time.utc(2000), Time.at(Time.utc(2000))
+ assert_equal 0, Time.at(Time.utc(2000)).utc_offset
+ assert_equal 'UTC', Time.at(Time.utc(2000)).zone
+ end
+ end
+
+ def test_at_with_local_time
+ with_env_tz 'US/Eastern' do
+ assert_equal Time.local(2000), Time.at(Time.local(2000))
+ assert_equal -18000, Time.at(Time.local(2000)).utc_offset
+ assert_equal 'EST', Time.at(Time.local(2000)).zone
+
+ assert_equal Time.local(2000, 7, 1), Time.at(Time.local(2000, 7, 1))
+ assert_equal -14400, Time.at(Time.local(2000, 7, 1)).utc_offset
+ assert_equal 'EDT', Time.at(Time.local(2000, 7, 1)).zone
+ end
+ end
+
def test_eql?
assert_equal true, Time.utc(2000).eql?( ActiveSupport::TimeWithZone.new(Time.utc(2000), ActiveSupport::TimeZone['UTC']) )
assert_equal true, Time.utc(2000).eql?( ActiveSupport::TimeWithZone.new(Time.utc(2000), ActiveSupport::TimeZone["Hawaii"]) )