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Add sample to set #100

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Merged
merged 1 commit into from
Dec 16, 2022
Merged

Add sample to set #100

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10 changes: 9 additions & 1 deletion lib/kredis/types/set.rb
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
class Kredis::Types::Set < Kredis::Types::Proxying
proxying :smembers, :sadd, :srem, :multi, :del, :sismember, :scard, :spop, :exists?
proxying :smembers, :sadd, :srem, :multi, :del, :sismember, :scard, :spop, :exists?, :srandmember

attr_accessor :typed

Expand Down Expand Up @@ -39,4 +39,12 @@ def take
def clear
del
end

def sample(count = nil)
if count.nil?
string_to_type(srandmember(count), typed)
else
strings_to_types(srandmember(count), typed)
end
end
end
8 changes: 8 additions & 0 deletions test/types/set_test.rb
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Expand Up @@ -88,4 +88,12 @@ class SetTest < ActiveSupport::TestCase
@set.add(%w[ 1 2 3 ])
assert @set.exists?
end

test "srandmember" do
@set = Kredis.set "mylist", typed: :float
@set.add 1.5, 2.7

assert @set.sample.in?([ 1.5, 2.7 ])
assert_equal [ 1.5, 2.7 ], @set.sample(2).sort
end
end