Contents

require 'spec_helper'

describe '#zpopmin(key, count)' do
  before(:each) do
    @key = 'mock-redis-test:zpopmin'
    @redises.del(@key)
    @redises.zadd(@key, 1, 'one')
    @redises.zadd(@key, 2, 'two')
    @redises.zadd(@key, 3, 'three')
  end

  context 'when count is unspecified' do
    it 'returns nil if the set does not exist' do
      @redises.zpopmin('does-not-exist').should nil
    end

    it 'returns the lowest ranked element' do
      @redises.zpopmin(@key).should == ['one', 1]
      @redises.zcard(@key).should == 2
    end
  end

  context 'when count is 1' do
    let(:count) { 1 }

    it 'returns nil if the set does not exist' do
      @redises.zpopmin('does-not-exist', count).should nil
    end

    it 'returns the lowest ranked element' do
      @redises.zpopmin(@key, count).should == ['one', 1]
      @redises.zcard(@key).should == 2
    end
  end

  context 'when count is greater than 1' do
    let(:count) { 2 }

    it 'returns empty array if the set does not exist' do
      @redises.zpopmin('does-not-exist', count).should == []
    end

    it 'returns the lowest ranked elements' do
      @redises.zpopmin(@key, count).should == [['one', 1], ['two', 2]]
      @redises.zcard(@key).should == 1
    end
  end

  context 'when count is greater than the size of the set' do
    let(:count) { 4 }

    it 'returns the entire set' do
      before = @redises.zrange(@key, 0, count, with_scores: true)
      @redises.zpopmin(@key, count).should == before
      @redises.zcard(@key).should == 0
    end
  end

  it_should_behave_like 'a zset-only command'
end

Version data entries

18 entries across 18 versions & 1 rubygems

Version	Path
mock_redis-0.36.0	spec/commands/zpopmin_spec.rb
mock_redis-0.35.0	spec/commands/zpopmin_spec.rb
mock_redis-0.34.0	spec/commands/zpopmin_spec.rb
mock_redis-0.33.0	spec/commands/zpopmin_spec.rb
mock_redis-0.32.0	spec/commands/zpopmin_spec.rb
mock_redis-0.31.0	spec/commands/zpopmin_spec.rb
mock_redis-0.30.0	spec/commands/zpopmin_spec.rb
mock_redis-0.29.0	spec/commands/zpopmin_spec.rb
mock_redis-0.28.0	spec/commands/zpopmin_spec.rb
mock_redis-0.27.3	spec/commands/zpopmin_spec.rb
mock_redis-0.27.2	spec/commands/zpopmin_spec.rb
mock_redis-0.27.1	spec/commands/zpopmin_spec.rb
mock_redis-0.27.0	spec/commands/zpopmin_spec.rb
mock_redis-0.26.0	spec/commands/zpopmin_spec.rb
mock_redis-0.25.0	spec/commands/zpopmin_spec.rb
mock_redis-0.24.0	spec/commands/zpopmin_spec.rb
mock_redis-0.23.0	spec/commands/zpopmin_spec.rb
mock_redis-0.22.0	spec/commands/zpopmin_spec.rb