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#! /usr/bin/env ruby
require 'spec_helper'
describe Puppet::Parser::AST::BooleanOperator do
ast = Puppet::Parser::AST
before :each do
node = Puppet::Node.new('localhost')
compiler = Puppet::Parser::Compiler.new(node)
@scope = Puppet::Parser::Scope.new(compiler)
@true_ast = ast::Boolean.new( :value => true)
@false_ast = ast::Boolean.new( :value => false)
end
it "should evaluate left operand inconditionally" do
lval = stub "lval"
lval.expects(:safeevaluate).with(@scope).returns("true")
rval = stub "rval", :safeevaluate => false
rval.expects(:safeevaluate).never
operator = ast::BooleanOperator.new :rval => rval, :operator => "or", :lval => lval
operator.evaluate(@scope)
end
it "should evaluate right 'and' operand only if left operand is true" do
lval = stub "lval", :safeevaluate => true
rval = stub "rval", :safeevaluate => false
rval.expects(:safeevaluate).with(@scope).returns(false)
operator = ast::BooleanOperator.new :rval => rval, :operator => "and", :lval => lval
operator.evaluate(@scope)
end
it "should evaluate right 'or' operand only if left operand is false" do
lval = stub "lval", :safeevaluate => false
rval = stub "rval", :safeevaluate => false
rval.expects(:safeevaluate).with(@scope).returns(false)
operator = ast::BooleanOperator.new :rval => rval, :operator => "or", :lval => lval
operator.evaluate(@scope)
end
it "should return true for false OR true" do
ast::BooleanOperator.new(:rval => @true_ast, :operator => "or", :lval => @false_ast).evaluate(@scope).should be_true
end
it "should return false for true AND false" do
ast::BooleanOperator.new(:rval => @true_ast, :operator => "and", :lval => @false_ast ).evaluate(@scope).should be_false
end
it "should return true for true AND true" do
ast::BooleanOperator.new(:rval => @true_ast, :operator => "and", :lval => @true_ast ).evaluate(@scope).should be_true
end
end
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