spec/unit/parser/functions/versioncmp_spec.rb


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#!/usr/bin/env ruby

require File.dirname(__FILE__) + '/../../../spec_helper'

describe "the versioncmp function" do

    before :each do
        @scope = Puppet::Parser::Scope.new()
    end

    it "should exist" do
        Puppet::Parser::Functions.function("versioncmp").should == "function_versioncmp"
    end

    it "should raise a ParseError if there is less than 2 arguments" do
        lambda { @scope.function_versioncmp(["1.2"]) }.should raise_error(Puppet::ParseError)
    end

    it "should raise a ParseError if there is more than 2 arguments" do
        lambda { @scope.function_versioncmp(["1.2", "2.4.5", "3.5.6"]) }.should raise_error(Puppet::ParseError)
    end

    it "should call Puppet::Util::Package.versioncmp (included in scope)" do
        Puppet::Util::Package.expects(:versioncmp).with("1.2", "1.3").returns(-1)

        @scope.function_versioncmp(["1.2", "1.3"])
    end

end