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Zonebie prevents bugs in code that deals with timezones by randomly assigning a zone on every run.
If Zonebie helps trigger a timezone-related bug, you can temporarily assign the
ZONEBIE_TZ
environment variable to make your tests deterministic while you
debug (more information below).
And either of these gems which adds timezone support to Ruby:
activesupport
>= 3.0 (Rails 3.0, 3.1, 3.2, 4.0, 4.1, 4.2)tzinfo
>= 1.2If using Bundler (recommended), add to Gemfile:
gem 'zonebie'
Active Support allows setting a global timezone that will be used for many date and time calculations throughout the application.
Zonebie can set this to a random timezone at the beginning of test runs.
Specifically for Active Support, it sets Time.zone
.
Add to test/test_helper.rb
:
Zonebie.set_random_timezone
Add to spec/spec_helper.rb
:
require "zonebie/rspec"
Add a file features/support/zonebie.rb
with the following contents:
Zonebie.set_random_timezone
Zonebie can use the tzinfo
gem, allowing it to work outside of Active Support
(Rails).
However, Zonebie.set_random_timezone
does not work outside of Active Support
because there is not a concept of a global timezone setting. If you simply need
a random timezone for some other part of your tests, Zonebie can help.
zone = TZInfo::Timezone.get(Zonebie.random_timezone)
puts zone.now
# Also works in Rails/Active Support
zone = ActiveSupport::TimeZone[Zonebie.random_timezone]
puts zone.now
When Zonebie.set_random_timezone
is called, Zonebie assigns a timezone and
prints a message to STDOUT:
[Zonebie] Setting timezone: ZONEBIE_TZ="Eastern Time (US & Canada)"
If you would rather that Zonebie not print out this information during your
tests, put Zonebie in quiet mode before calling set_random_timezone
:
Zonebie.quiet = true
To rerun tests with a specific timezone (e.g., to reproduce a bug that only
seems present in one zone), set the ZONEBIE_TZ
environment variable:
# Assuming tests run with simply `rake`
ZONEBIE_TZ="Eastern Time (US & Canada)" rake
git checkout -b my-new-feature
)git commit -am 'Added some feature'
)git push origin my-new-feature
)FAQs
Unknown package
We found that zonebie demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 3 open source maintainers collaborating on the project.
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