Contents

require 'spec_helper'

describe '#renamenx(key, newkey)' do
  before do
    @key = 'mock-redis-test:renamenx:key'
    @newkey = 'mock-redis-test:renamenx:newkey'

    @redises.set(@key, 'oof')
  end

  it 'responds with true when newkey does not exist' do
    @redises.renamenx(@key, @newkey).should == true
  end

  it 'responds with false when newkey exists' do
    @redises.set(@newkey, 'monkey')
    @redises.renamenx(@key, @newkey).should == false
  end

  it 'moves the data' do
    @redises.renamenx(@key, @newkey)
    @redises.get(@newkey).should == 'oof'
  end

  it 'raises an error when the source key is nonexistant' do
    @redises.del(@key)
    lambda do
      @redises.rename(@key, @newkey)
    end.should raise_error(Redis::CommandError)
  end

  it 'raises an error when key == newkey' do
    lambda do
      @redises.renamenx(@key, @key)
    end.should raise_error(RuntimeError)
  end

  it 'leaves any existing value at newkey alone' do
    @redises.set(@newkey, 'rab')
    @redises.renamenx(@key, @newkey)
    @redises.get(@newkey).should == 'rab'
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
mock_redis-0.15.0	spec/commands/renamenx_spec.rb