1 files changed, 33 insertions, 0 deletions
diff --git a/spec/functions/shuffle_spec.rb b/spec/functions/shuffle_spec.rb
new file mode 100755
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+++ b/spec/functions/shuffle_spec.rb
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+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the shuffle function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  it "should exist" do
+    expect(Puppet::Parser::Functions.function("shuffle")).to eq("function_shuffle")
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    expect { scope.function_shuffle([]) }.to( raise_error(Puppet::ParseError))
+  end
+
+  it "should shuffle a string and the result should be the same size" do
+    result = scope.function_shuffle(["asdf"])
+    expect(result.size).to(eq(4))
+  end
+
+  it "should shuffle a string but the sorted contents should still be the same" do
+    result = scope.function_shuffle(["adfs"])
+    expect(result.split("").sort.join("")).to(eq("adfs"))
+  end
+
+  it "should accept objects which extend String" do
+    class AlsoString < String
+    end
+
+    value = AlsoString.new('asdf')
+    result = scope.function_shuffle([value])
+    result.size.should(eq(4))
+  end
+end