spec/unit/parser/ast/not_spec.rb


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#!/usr/bin/env ruby

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

describe Puppet::Parser::AST::Not do
    before :each do
        @scope = Puppet::Parser::Scope.new()
        @true_ast = Puppet::Parser::AST::Boolean.new( :value => true)
        @false_ast = Puppet::Parser::AST::Boolean.new( :value => false)
    end

    it "should evaluate its child expression" do
        val = stub "val"
        val.expects(:safeevaluate).with(@scope)

        operator = Puppet::Parser::AST::Not.new :value => val
        operator.evaluate(@scope)
    end

    it "should return true for ! false" do
        operator = Puppet::Parser::AST::Not.new :value => @false_ast
        operator.evaluate(@scope).should == true
    end

    it "should return false for ! true" do
        operator = Puppet::Parser::AST::Not.new :value => @true_ast
        operator.evaluate(@scope).should == false
    end

end