Added modules

modules/stdlib/spec/functions/validate_string_spec.rb

@@ -0,0 +1,60 @@
+#! /usr/bin/env ruby -S rspec
+
+require 'spec_helper'
+
+describe Puppet::Parser::Functions.function(:validate_string) do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  describe 'when calling validate_string from puppet' do
+
+    %w{ foo bar baz }.each do |the_string|
+
+      it "should compile when #{the_string} is a string" do
+        Puppet[:code] = "validate_string('#{the_string}')"
+        scope.compiler.compile
+      end
+
+      it "should compile when #{the_string} is a bare word" do
+        Puppet[:code] = "validate_string(#{the_string})"
+        scope.compiler.compile
+      end
+
+    end
+
+    %w{ true false }.each do |the_string|
+      it "should compile when #{the_string} is a string" do
+        Puppet[:code] = "validate_string('#{the_string}')"
+        scope.compiler.compile
+      end
+
+      it "should not compile when #{the_string} is a bare word" do
+        Puppet[:code] = "validate_string(#{the_string})"
+        expect { scope.compiler.compile }.to raise_error(Puppet::ParseError, /is not a string/)
+      end
+    end
+
+    it "should compile when multiple string arguments are passed" do
+      Puppet[:code] = <<-'ENDofPUPPETcode'
+        $foo = ''
+        $bar = 'two'
+        validate_string($foo, $bar)
+      ENDofPUPPETcode
+      scope.compiler.compile
+    end
+
+    it "should compile when an explicitly undef variable is passed (NOTE THIS MAY NOT BE DESIRABLE)" do
+      Puppet[:code] = <<-'ENDofPUPPETcode'
+        $foo = undef
+        validate_string($foo)
+      ENDofPUPPETcode
+      scope.compiler.compile
+    end
+
+    it "should compile when an undefined variable is passed (NOTE THIS MAY NOT BE DESIRABLE)" do
+      Puppet[:code] = <<-'ENDofPUPPETcode'
+        validate_string($foobarbazishouldnotexist)
+      ENDofPUPPETcode
+      scope.compiler.compile
+    end
+  end
+end