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Versions: 22
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Contents
require 'spec_helper'
describe '#lpushx(key, value)' do
before { @key = 'mock-redis-test:81267' }
it 'returns the new size of the list' do
@redises.lpush(@key, 'X')
@redises.lpushx(@key, 'X').should == 2
@redises.lpushx(@key, 'X').should == 3
end
it 'does nothing when run against a nonexistent key' do
@redises.lpushx(@key, 'value')
@redises.get(@key).should be_nil
end
it 'prepends items to the list' do
@redises.lpush(@key, 'bert')
@redises.lpushx(@key, 'ernie')
@redises.lindex(@key, 0).should == 'ernie'
@redises.lindex(@key, 1).should == 'bert'
end
it 'stores values as strings' do
@redises.lpush(@key, 1)
@redises.lpushx(@key, 2)
@redises.lindex(@key, 0).should == '2'
end
it 'raises an error if an empty array is given' do
@redises.lpush(@key, 'X')
lambda do
@redises.lpushx(@key, [])
end.should raise_error(Redis::CommandError)
end
it 'stores multiple items if an array of more than one item is given' do
@redises.lpush(@key, 'X')
@redises.lpushx(@key, [1, 2]).should == 3
@redises.lrange(@key, 0, -1).should == %w[2 1 X]
end
it_should_behave_like 'a list-only command'
end
Version data entries
22 entries across 22 versions & 1 rubygems