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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')
# This file contains testing of Conditionals, if, case, unless, selector
#
describe 'Puppet::Pops::Evaluator::EvaluatorImpl' do
include EvaluatorRspecHelper
context "When the evaluator evaluates" do
context "an if expression" do
it 'should output the expected result when dumped' do
dump(IF(literal(true), literal(2), literal(5))).should == unindent(<<-TEXT
(if true
(then 2)
(else 5))
TEXT
)
end
it 'if true {5} == 5' do
evaluate(IF(literal(true), literal(5))).should == 5
end
it 'if false {5} == nil' do
evaluate(IF(literal(false), literal(5))).should == nil
end
it 'if false {2} else {5} == 5' do
evaluate(IF(literal(false), literal(2), literal(5))).should == 5
end
it 'if false {2} elsif true {5} == 5' do
evaluate(IF(literal(false), literal(2), IF(literal(true), literal(5)))).should == 5
end
it 'if false {2} elsif false {5} == nil' do
evaluate(IF(literal(false), literal(2), IF(literal(false), literal(5)))).should == nil
end
end
context "an unless expression" do
it 'should output the expected result when dumped' do
dump(UNLESS(literal(true), literal(2), literal(5))).should == unindent(<<-TEXT
(unless true
(then 2)
(else 5))
TEXT
)
end
it 'unless false {5} == 5' do
evaluate(UNLESS(literal(false), literal(5))).should == 5
end
it 'unless true {5} == nil' do
evaluate(UNLESS(literal(true), literal(5))).should == nil
end
it 'unless true {2} else {5} == 5' do
evaluate(UNLESS(literal(true), literal(2), literal(5))).should == 5
end
it 'unless true {2} elsif true {5} == 5' do
# not supported by concrete syntax
evaluate(UNLESS(literal(true), literal(2), IF(literal(true), literal(5)))).should == 5
end
it 'unless true {2} elsif false {5} == nil' do
# not supported by concrete syntax
evaluate(UNLESS(literal(true), literal(2), IF(literal(false), literal(5)))).should == nil
end
end
context "a case expression" do
it 'should output the expected result when dumped' do
dump(CASE(literal(2),
WHEN(literal(1), literal('wat')),
WHEN([literal(2), literal(3)], literal('w00t'))
)).should == unindent(<<-TEXT
(case 2
(when (1) (then 'wat'))
(when (2 3) (then 'w00t')))
TEXT
)
dump(CASE(literal(2),
WHEN(literal(1), literal('wat')),
WHEN([literal(2), literal(3)], literal('w00t'))
).default(literal(4))).should == unindent(<<-TEXT
(case 2
(when (1) (then 'wat'))
(when (2 3) (then 'w00t'))
(when (:default) (then 4)))
TEXT
)
end
it "case 1 { 1 : { 'w00t'} } == 'w00t'" do
evaluate(CASE(literal(1), WHEN(literal(1), literal('w00t')))).should == 'w00t'
end
it "case 2 { 1,2,3 : { 'w00t'} } == 'w00t'" do
evaluate(CASE(literal(2), WHEN([literal(1), literal(2), literal(3)], literal('w00t')))).should == 'w00t'
end
it "case 2 { 1,3 : {'wat'} 2: { 'w00t'} } == 'w00t'" do
evaluate(CASE(literal(2),
WHEN([literal(1), literal(3)], literal('wat')),
WHEN(literal(2), literal('w00t')))).should == 'w00t'
end
it "case 2 { 1,3 : {'wat'} 5: { 'wat'} default: {'w00t'}} == 'w00t'" do
evaluate(CASE(literal(2),
WHEN([literal(1), literal(3)], literal('wat')),
WHEN(literal(5), literal('wat'))).default(literal('w00t'))
).should == 'w00t'
end
it "case 2 { 1,3 : {'wat'} 5: { 'wat'} } == nil" do
evaluate(CASE(literal(2),
WHEN([literal(1), literal(3)], literal('wat')),
WHEN(literal(5), literal('wat')))
).should == nil
end
it "case 'banana' { 1,3 : {'wat'} /.*ana.*/: { 'w00t'} } == w00t" do
evaluate(CASE(literal('banana'),
WHEN([literal(1), literal(3)], literal('wat')),
WHEN(literal(/.*ana.*/), literal('w00t')))
).should == 'w00t'
end
context "with regular expressions" do
it "should set numeric variables from the match" do
evaluate(CASE(literal('banana'),
WHEN([literal(1), literal(3)], literal('wat')),
WHEN(literal(/.*(ana).*/), var(1)))
).should == 'ana'
end
end
end
context "select expressions" do
it 'should output the expected result when dumped' do
dump(literal(2).select(
MAP(literal(1), literal('wat')),
MAP(literal(2), literal('w00t'))
)).should == "(? 2 (1 => 'wat') (2 => 'w00t'))"
end
it "1 ? {1 => 'w00t'} == 'w00t'" do
evaluate(literal(1).select(MAP(literal(1), literal('w00t')))).should == 'w00t'
end
it "2 ? {1 => 'wat', 2 => 'w00t'} == 'w00t'" do
evaluate(literal(2).select(
MAP(literal(1), literal('wat')),
MAP(literal(2), literal('w00t'))
)).should == 'w00t'
end
it "3 ? {1 => 'wat', 2 => 'wat', default => 'w00t'} == 'w00t'" do
evaluate(literal(3).select(
MAP(literal(1), literal('wat')),
MAP(literal(2), literal('wat')),
MAP(literal(:default), literal('w00t'))
)).should == 'w00t'
end
it "3 ? {1 => 'wat', default => 'w00t', 3 => 'wat'} == 'w00t'" do
evaluate(literal(3).select(
MAP(literal(1), literal('wat')),
MAP(literal(:default), literal('w00t')),
MAP(literal(2), literal('wat'))
)).should == 'w00t'
end
it "should set numerical variables from match" do
evaluate(literal('banana').select(
MAP(literal(1), literal('wat')),
MAP(literal(/.*(ana).*/), var(1))
)).should == 'ana'
end
end
end
end
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