module MockRedis::SetMethods
Public Instance Methods
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# File lib/mock_redis/set_methods.rb, line 9 def sadd(key, *members) members_class = members.class members = Array(members).flatten.map(&:to_s) assert_type(key, *members) assert_has_args(members, 'sadd') with_set_at(key) do |s| size_before = s.size if members.size > 1 members.reverse_each { |m| s << m } s.size - size_before else added = !!s.add?(members.first) if members_class == Array s.size - size_before else added ? 1 : 0 end end end end
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# File lib/mock_redis/set_methods.rb, line 31 def sadd?(key, members) res = sadd(key, members) res.is_a?(Numeric) ? res > 0 : res end
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# File lib/mock_redis/set_methods.rb, line 36 def scard(key) assert_type(key) with_set_at(key, &:length) end
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# File lib/mock_redis/set_methods.rb, line 41 def sdiff(*keys) assert_has_args(keys, 'sdiff') with_sets_at(*keys) { |*sets| sets.reduce(&:-) }.to_a end
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# File lib/mock_redis/set_methods.rb, line 46 def sdiffstore(destination, *keys) assert_type(destination, *keys) assert_has_args(keys, 'sdiffstore') with_set_at(destination) do |set| set.replace(sdiff(*keys)) end scard(destination) end
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# File lib/mock_redis/set_methods.rb, line 55 def sinter(*keys) assert_has_args(keys, 'sinter') with_sets_at(*keys) do |*sets| sets.reduce(&:&).to_a end end
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# File lib/mock_redis/set_methods.rb, line 63 def sinterstore(destination, *keys) assert_type(destination, *keys) assert_has_args(keys, 'sinterstore') with_set_at(destination) do |set| set.replace(sinter(*keys)) end scard(destination) end
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# File lib/mock_redis/set_methods.rb, line 72 def sismember(key, member) assert_type(key, member) with_set_at(key) { |s| s.include?(member.to_s) } end
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# File lib/mock_redis/set_methods.rb, line 86 def smembers(key) assert_type(key) with_set_at(key, &:to_a).map(&:dup).reverse end
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# File lib/mock_redis/set_methods.rb, line 77 def smismember(key, *members) members.flatten! assert_type(key, *members) with_set_at(key) do |set| members.map { |m| set.include?(m.to_s) } end end
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# File lib/mock_redis/set_methods.rb, line 91 def smove(src, dest, member) member = member.to_s with_sets_at(src, dest) do |src_set, dest_set| if src_set.delete?(member) dest_set.add(member) true else false end end end
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# File lib/mock_redis/set_methods.rb, line 104 def spop(key, count = nil) assert_type(key) with_set_at(key) do |set| if count.nil? member = set.first set.delete(member) member else members = [] count.times do member = set.first break if member.nil? set.delete(member) members << member end members end end end
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# File lib/mock_redis/set_methods.rb, line 124 def srandmember(key, count = nil) assert_type(key) members = with_set_at(key, &:to_a) if count if count > 0 members.sample(count) else Array.new(count.abs) { members[rand(members.length)] } end else members[rand(members.length)] end end
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# File lib/mock_redis/set_methods.rb, line 138 def srem(key, *members) members = members.flatten.uniq assert_type(key, *members) with_set_at(key) do |s| if members.is_a?(Array) orig_size = s.size members = members.map(&:to_s) s.delete_if { |m| members.include?(m) } orig_size - s.size else !!s.delete?(members.to_s) end end end
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# File lib/mock_redis/set_methods.rb, line 154 def srem?(key, members) res = srem(key, members) res.is_a?(Numeric) ? res > 0 : res end
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# File lib/mock_redis/set_methods.rb, line 159 def sscan(key, cursor, opts = {}) common_scan(smembers(key), cursor, opts) end
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# File lib/mock_redis/set_methods.rb, line 163 def sscan_each(key, opts = {}, &block) return to_enum(:sscan_each, key, opts) unless block_given? cursor = 0 loop do cursor, keys = sscan(key, cursor, opts) keys.each(&block) break if cursor == '0' end end
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# File lib/mock_redis/set_methods.rb, line 173 def sunion(*keys) assert_has_args(keys, 'sunion') with_sets_at(*keys) { |*sets| sets.reduce(&:+).to_a } end
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# File lib/mock_redis/set_methods.rb, line 178 def sunionstore(destination, *keys) assert_has_args(keys, 'sunionstore') with_set_at(destination) do |dest_set| dest_set.replace(sunion(*keys)) end scard(destination) end
Private Instance Methods
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# File lib/mock_redis/set_methods.rb, line 212 def assert_sety(key) unless sety?(key) # Not the most helpful error, but it's what redis-rb barfs up raise Error.wrong_type_error(self) end end
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# File lib/mock_redis/set_methods.rb, line 208 def sety?(key) data[key].nil? || data[key].is_a?(Set) end
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# File lib/mock_redis/set_methods.rb, line 188 def with_set_at(key, &blk) with_thing_at(key, :assert_sety, proc { Set.new }, &blk) end
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# File lib/mock_redis/set_methods.rb, line 192 def with_sets_at(*keys, &blk) keys = keys.flatten assert_type(*keys) if keys.length == 1 with_set_at(keys.first, &blk) else with_set_at(keys.first) do |set| with_sets_at(*(keys[1..])) do |*sets| yield(*([set] + sets)) end end end end