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#! /usr/bin/env ruby
require 'spec_helper'
require 'puppet/pops'
require 'puppet/pops/evaluator/evaluator_impl'
# relative to this spec file (./) does not work as this file is loaded by rspec
require File.join(File.dirname(__FILE__), '/evaluator_rspec_helper')
describe 'Puppet::Pops::Evaluator::EvaluatorImpl' do
include EvaluatorRspecHelper
context "When the evaluator evaluates literals" do
it 'should evaluator numbers to numbers' do
evaluate(literal(1)).should == 1
evaluate(literal(3.14)).should == 3.14
end
it 'should evaluate strings to string' do
evaluate(literal('banana')).should == 'banana'
end
it 'should evaluate booleans to booleans' do
evaluate(literal(false)).should == false
evaluate(literal(true)).should == true
end
it 'should evaluate names to strings' do
evaluate(fqn('banana')).should == 'banana'
end
it 'should evaluator types to types' do
array_type = Puppet::Pops::Types::PArrayType.new()
array_type.element_type = Puppet::Pops::Types::PDataType.new()
evaluate(fqr('Array')).should == array_type
end
end
context "When the evaluator evaluates Lists" do
it "should create an Array when evaluating a LiteralList" do
evaluate(literal([1,2,3])).should == [1,2,3]
end
it "[...[...[]]] should create nested arrays without trouble" do
evaluate(literal([1,[2.0, 2.1, [2.2]],[3.0, 3.1]])).should == [1,[2.0, 2.1, [2.2]],[3.0, 3.1]]
end
it "[2 + 2] should evaluate expressions in entries" do
x = literal([literal(2) + literal(2)]);
Puppet::Pops::Model::ModelTreeDumper.new.dump(x).should == "([] (+ 2 2))"
evaluate(x)[0].should == 4
end
it "[1,2,3] == [1,2,3] == true" do
evaluate(literal([1,2,3]) == literal([1,2,3])).should == true;
end
it "[1,2,3] != [2,3,4] == true" do
evaluate(literal([1,2,3]).ne(literal([2,3,4]))).should == true;
end
it "[1, 2, 3][2] == 3" do
evaluate(literal([1,2,3])[2]).should == 3
end
end
context "When the evaluator evaluates Hashes" do
it "should create a Hash when evaluating a LiteralHash" do
evaluate(literal({'a'=>1,'b'=>2})).should == {'a'=>1,'b'=>2}
end
it "{...{...{}}} should create nested hashes without trouble" do
evaluate(literal({'a'=>1,'b'=>{'x'=>2.1,'y'=>2.2}})).should == {'a'=>1,'b'=>{'x'=>2.1,'y'=>2.2}}
end
it "{'a'=> 2 + 2} should evaluate values in entries" do
evaluate(literal({'a'=> literal(2) + literal(2)}))['a'].should == 4
end
it "{'a'=> 1, 'b'=>2} == {'a'=> 1, 'b'=>2} == true" do
evaluate(literal({'a'=> 1, 'b'=>2}) == literal({'a'=> 1, 'b'=>2})).should == true;
end
it "{'a'=> 1, 'b'=>2} != {'x'=> 1, 'y'=>3} == true" do
evaluate(literal({'a'=> 1, 'b'=>2}).ne(literal({'x'=> 1, 'y'=>3}))).should == true;
end
it "{'a' => 1, 'b' => 2}['b'] == 2" do
evaluate(literal({:a => 1, :b => 2})[:b]).should == 2
end
end
context 'When the evaluator evaluates a Block' do
it 'an empty block evaluates to nil' do
evaluate(block()).should == nil
end
it 'a block evaluates to its last expression' do
evaluate(block(literal(1), literal(2))).should == 2
end
end
end
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