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# frozen_string_literal: true
module TimeZoneTestHelpers
def with_tz_default(tz = nil)
old_tz = Time.zone
Time.zone = tz
yield
ensure
Time.zone = old_tz
end
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
def with_preserve_timezone(value)
old_preserve_tz = ActiveSupport.to_time_preserves_timezone
ActiveSupport.to_time_preserves_timezone = value
yield
ensure
ActiveSupport.to_time_preserves_timezone = old_preserve_tz
end
def with_tz_mappings(mappings)
old_mappings = ActiveSupport::TimeZone::MAPPING.dup
ActiveSupport::TimeZone.clear
ActiveSupport::TimeZone::MAPPING.clear
ActiveSupport::TimeZone::MAPPING.merge!(mappings)
yield
ensure
ActiveSupport::TimeZone.clear
ActiveSupport::TimeZone::MAPPING.clear
ActiveSupport::TimeZone::MAPPING.merge!(old_mappings)
end
end
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