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#! /usr/bin/env ruby
require 'spec_helper'
require 'puppet/pops'
describe Puppet::Pops::Model do
it "should be possible to create an instance of a model object" do
nop = Puppet::Pops::Model::Nop.new
nop.class.should == Puppet::Pops::Model::Nop
end
end
describe Puppet::Pops::Model::Factory do
Factory = Puppet::Pops::Model::Factory
Model = Puppet::Pops::Model
it "construct an arithmetic expression" do
x = Factory.literal(10) + Factory.literal(20)
x.is_a?(Factory).should == true
current = x.current
current.is_a?(Model::ArithmeticExpression).should == true
current.operator.should == :'+'
current.left_expr.class.should == Model::LiteralInteger
current.right_expr.class.should == Model::LiteralInteger
current.left_expr.value.should == 10
current.right_expr.value.should == 20
end
it "should be easy to compare using a model tree dumper" do
x = Factory.literal(10) + Factory.literal(20)
Puppet::Pops::Model::ModelTreeDumper.new.dump(x.current).should == "(+ 10 20)"
end
it "builder should apply precedence" do
x = Factory.literal(2) * Factory.literal(10) + Factory.literal(20)
Puppet::Pops::Model::ModelTreeDumper.new.dump(x.current).should == "(+ (* 2 10) 20)"
end
end
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