--- /dev/null
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the is_bool function" do
+ let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+ it "should exist" do
+ expect(Puppet::Parser::Functions.function("is_bool")).to eq("function_is_bool")
+ end
+
+ it "should raise a ParseError if there is less than 1 arguments" do
+ expect { scope.function_is_bool([]) }.to( raise_error(Puppet::ParseError))
+ end
+
+ it "should return true if passed a TrueClass" do
+ result = scope.function_is_bool([true])
+ expect(result).to(eq(true))
+ end
+
+ it "should return true if passed a FalseClass" do
+ result = scope.function_is_bool([false])
+ expect(result).to(eq(true))
+ end
+
+ it "should return false if passed the string 'true'" do
+ result = scope.function_is_bool(['true'])
+ expect(result).to(eq(false))
+ end
+
+ it "should return false if passed the string 'false'" do
+ result = scope.function_is_bool(['false'])
+ expect(result).to(eq(false))
+ end
+
+ it "should return false if passed an array" do
+ result = scope.function_is_bool([["a","b"]])
+ expect(result).to(eq(false))
+ end
+
+ it "should return false if passed a hash" do
+ result = scope.function_is_bool([{"a" => "b"}])
+ expect(result).to(eq(false))
+ end
+end