Contents

require 'spec_helper'

require 'spec_helper'

describe '#brpoplpush(source, destination, timeout)' do
  before do
    @list1 = 'mock-redis-test:brpoplpush1'
    @list2 = 'mock-redis-test:brpoplpush2'

    @redises.rpush(@list1, 'A')
    @redises.rpush(@list1, 'B')

    @redises.rpush(@list2, 'alpha')
    @redises.rpush(@list2, 'beta')
  end

  it "takes the last element of source and prepends it to destination" do
    @redises.brpoplpush(@list1, @list2)
    @redises.lrange(@list1, 0, -1).should == %w[A]
    @redises.lrange(@list2, 0, -1).should == %w[B alpha beta]
  end

  it "returns the moved element" do
    @redises.brpoplpush(@list1, @list2).should == "B"
  end

  it "raises an error on negative timeout" do
    lambda do
      @redises.brpoplpush(@list1, @list2, :timeout => -1)
    end.should raise_error(Redis::CommandError)
  end

  it_should_behave_like "a list-only command"

  context "[mock only]" do
    it "ignores positive timeouts and returns nil" do
      @redises.mock.brpoplpush('mock-redis-test:not-here', @list1, :timeout => 1).
        should be_nil
    end

    it "ignores positive legacy timeouts and returns nil" do
      @redises.mock.brpoplpush('mock-redis-test:not-here', @list1, 1).
        should be_nil
    end

    it "raises WouldBlock on zero timeout (no blocking in the mock)" do
      lambda do
        @redises.mock.brpoplpush('mock-redis-test:not-here', @list1, :timeout => 0)
      end.should raise_error(MockRedis::WouldBlock)
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
mock_redis-0.14.1	spec/commands/brpoplpush_spec.rb
mock_redis-0.14.0	spec/commands/brpoplpush_spec.rb
mock_redis-0.13.2	spec/commands/brpoplpush_spec.rb
mock_redis-0.13.1	spec/commands/brpoplpush_spec.rb