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Versions: 32
Compression:
Stored size: 1.34 KB
Contents
require 'spec_helper'
describe '#rpoplpush(source, destination)' do
before do
@list1 = 'mock-redis-test:rpoplpush-list1'
@list2 = 'mock-redis-test:rpoplpush-list2'
@redises.lpush(@list1, 'b')
@redises.lpush(@list1, 'a')
@redises.lpush(@list2, 'y')
@redises.lpush(@list2, 'x')
end
it 'returns the value moved' do
@redises.rpoplpush(@list1, @list2).should == 'b'
end
it "returns false and doesn't append if source empty" do
@redises.rpoplpush('empty', @list1).should be_nil
@redises.lrange(@list1, 0, -1).should == %w[a b]
end
it 'takes the last element of destination and prepends it to source' do
@redises.rpoplpush(@list1, @list2)
@redises.lrange(@list1, 0, -1).should == %w[a]
@redises.lrange(@list2, 0, -1).should == %w[b x y]
end
it 'rotates a list when source and destination are the same' do
@redises.rpoplpush(@list1, @list1)
@redises.lrange(@list1, 0, -1).should == %w[b a]
end
it 'removes empty lists' do
@redises.llen(@list1).times { @redises.rpoplpush(@list1, @list2) }
@redises.get(@list1).should be_nil
end
it 'raises an error for non-list source value' do
@redises.set(@list1, 'string value')
lambda do
@redises.rpoplpush(@list1, @list2)
end.should raise_error(Redis::CommandError)
end
it_should_behave_like 'a list-only command'
end
Version data entries
32 entries across 32 versions & 1 rubygems