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diff --git a/spec/unit/puppet/parser/functions/validate_re_spec.rb b/spec/unit/puppet/parser/functions/validate_re_spec.rb
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+require 'spec_helper'
+
+describe Puppet::Parser::Functions.function(:validate_re) do
+ let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+ # The subject of these examplres is the method itself.
+ subject do
+ # This makes sure the function is loaded within each test
+ function_name = Puppet::Parser::Functions.function(:validate_re)
+ scope.method(function_name)
+ end
+
+ context 'Using Puppet::Parser::Scope.new' do
+
+ describe 'Garbage inputs' do
+ inputs = [
+ [ nil ],
+ [ [ nil ] ],
+ [ { 'foo' => 'bar' } ],
+ [ { } ],
+ [ '' ],
+ [ "one", "one", "MSG to User", "4th arg" ],
+ ]
+
+ inputs.each do |input|
+ it "validate_re(#{input.inspect}) should fail" do
+ expect { subject.call [input] }.to raise_error Puppet::ParseError
+ end
+ end
+ end
+
+ describe 'Valid inputs' do
+ inputs = [
+ [ '/full/path/to/something', '^/full' ],
+ [ '/full/path/to/something', 'full' ],
+ [ '/full/path/to/something', ['full', 'absent'] ],
+ [ '/full/path/to/something', ['full', 'absent'], 'Message to the user' ],
+ ]
+
+ inputs.each do |input|
+ it "validate_re(#{input.inspect}) should not fail" do
+ expect { subject.call input }.not_to raise_error
+ end
+ end
+ end
+ describe "Valid inputs which should raise an exception without a message" do
+ # The intent here is to make sure valid inputs raise exceptions when they
+ # don't specify an error message to display. This is the behvior in
+ # 2.2.x and prior.
+ inputs = [
+ [ "hello", [ "bye", "later", "adios" ] ],
+ [ "greetings", "salutations" ],
+ ]
+
+ inputs.each do |input|
+ it "validate_re(#{input.inspect}) should fail" do
+ expect { subject.call input }.to raise_error /validate_re.*?does not match/
+ end
+ end
+ end
+ describe "Nicer Error Messages" do
+ # The intent here is to make sure the function returns the 3rd argument
+ # in the exception thrown
+ inputs = [
+ [ "hello", [ "bye", "later", "adios" ], "MSG to User" ],
+ [ "greetings", "salutations", "Error, greetings does not match salutations" ],
+ ]
+
+ inputs.each do |input|
+ it "validate_re(#{input.inspect}) should fail" do
+ expect { subject.call input }.to raise_error /#{input[2]}/
+ end
+ end
+ end
+ end
+end