1 files changed, 31 insertions, 0 deletions
diff --git a/spec/functions/values_spec.rb b/spec/functions/values_spec.rb
new file mode 100755
index 0000000..08d21b0
--- /dev/null
+++ b/spec/functions/values_spec.rb
@@ -0,0 +1,31 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the values function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  it "should exist" do
+    expect(Puppet::Parser::Functions.function("values")).to eq("function_values")
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    expect { scope.function_values([]) }.to( raise_error(Puppet::ParseError))
+  end
+
+  it "should return values from a hash" do
+    result = scope.function_values([{'a'=>'1','b'=>'2','c'=>'3'}])
+    # =~ is the RSpec::Matchers::MatchArray matcher.
+    # A.K.A. "array with same elements" (multiset) matching
+    expect(result).to match_array(%w{ 1 2 3 })
+  end
+
+  it "should return a multiset" do
+    result = scope.function_values([{'a'=>'1','b'=>'3','c'=>'3'}])
+    expect(result).to     match_array(%w{ 1 3 3 })
+    expect(result).not_to match_array(%w{ 1 3 })
+  end
+
+  it "should raise a ParseError unless a Hash is provided" do
+    expect { scope.function_values([['a','b','c']]) }.to( raise_error(Puppet::ParseError))
+  end
+end