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3 changes: 2 additions & 1 deletion lib/couchbase/utils/time.rb
Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,8 @@ def extract_expiry_time(time_or_duration)
# then use it and convert result to Integer
# 3. Otherwise invoke #to_i on the argument and interpret it as a number of milliseconds
def extract_duration(number_or_duration)
return number_or_duration if number_or_duration.is_a? Integer
return unless number_or_duration
return number_or_duration if number_or_duration.class == Integer # rubocop:disable Style/ClassEqualityComparison avoid overrides of #is_a?, #kind_of?

if number_or_duration.respond_to?(:in_milliseconds)
number_or_duration.public_send(:in_milliseconds)
Expand Down
4 changes: 4 additions & 0 deletions test/utils_time_test.rb
Original file line number Diff line number Diff line change
Expand Up @@ -51,4 +51,8 @@ def test_accepts_floats
def test_interpret_integer_as_a_milliseconds_literal
assert_equal 42, Couchbase::Utils::Time.extract_duration(42)
end

def test_ignores_nil_argument
assert_nil Couchbase::Utils::Time.extract_duration(nil)
end
end