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Contents
require 'spec_helper'
describe '#lindex(key, index)' do
before { @key = 'mock-redis-test:69312' }
it 'gets an element from the list by its index' do
@redises.lpush(@key, 20)
@redises.lpush(@key, 10)
@redises.lindex(@key, 0).should == '10'
@redises.lindex(@key, 1).should == '20'
end
it 'treats negative indices as coming from the right' do
@redises.lpush(@key, 20)
@redises.lpush(@key, 10)
@redises.lindex(@key, -1).should == '20'
@redises.lindex(@key, -2).should == '10'
end
it 'gets an element from the list by its index when index is a string' do
@redises.lpush(@key, 20)
@redises.lpush(@key, 10)
@redises.lindex(@key, '0').should == '10'
@redises.lindex(@key, '1').should == '20'
@redises.lindex(@key, '-1').should == '20'
@redises.lindex(@key, '-2').should == '10'
end
it 'returns nil if the index is too large (and positive)' do
@redises.lpush(@key, 20)
@redises.lindex(@key, 100).should be_nil
end
it 'returns nil if the index is too large (and negative)' do
@redises.lpush(@key, 20)
@redises.lindex(@key, -100).should be_nil
end
it 'returns nil for nonexistent values' do
@redises.lindex(@key, 0).should be_nil
end
it_should_behave_like 'a list-only command'
end
Version data entries
33 entries across 33 versions & 1 rubygems