1 files changed, 28 insertions, 0 deletions
diff --git a/puppet/modules/stdlib/spec/functions/reverse_spec.rb b/puppet/modules/stdlib/spec/functions/reverse_spec.rb
new file mode 100755
index 00000000..1f047943
--- /dev/null
+++ b/puppet/modules/stdlib/spec/functions/reverse_spec.rb
@@ -0,0 +1,28 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the reverse function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  it "should exist" do
+    expect(Puppet::Parser::Functions.function("reverse")).to eq("function_reverse")
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    expect { scope.function_reverse([]) }.to( raise_error(Puppet::ParseError))
+  end
+
+  it "should reverse a string" do
+    result = scope.function_reverse(["asdfghijkl"])
+    expect(result).to(eq('lkjihgfdsa'))
+  end
+
+  it "should accept objects which extend String" do
+    class AlsoString < String
+    end
+
+    value = AlsoString.new('asdfghjkl')
+    result = scope.function_reverse([value])
+    result.should(eq('lkjhgfdsa'))
+  end
+end