require 'spec_helper'

describe "#getrange(key, value)" do
  before do
    @key = 'mock-redis-test:getset'
    @redises.set(@key, "oldvalue")
  end

  it "returns the old value" do
    @redises.getset(@key, 'newvalue').should == "oldvalue"
  end

  it "sets the value to the new value" do
    @redises.getset(@key, 'newvalue')
    @redises.get(@key).should == 'newvalue'
  end

  it "returns nil for nonexistent keys" do
    @redises.getset('mock-redis-test:not-found', 1).should be_nil
  end

  it_should_behave_like "a string-only command"
end