1 files changed, 25 insertions, 0 deletions
diff --git a/spec/unit/puppet/parser/functions/keys_spec.rb b/spec/unit/puppet/parser/functions/keys_spec.rb
new file mode 100644
index 0000000..d928562
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/keys_spec.rb
@@ -0,0 +1,25 @@
+#!/usr/bin/env rspec
+require 'spec_helper'
+
+describe "the keys function" do
+  before :all do
+    Puppet::Parser::Functions.autoloader.loadall
+  end
+
+  let(:scope) { Puppet::Parser::Scope.new }
+
+  it "should exist" do
+    Puppet::Parser::Functions.function("keys").should == "function_keys"
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    lambda { scope.function_keys([]) }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should return an array of keys when given a hash" do
+    result = scope.function_keys([{'a'=>1, 'b'=>2}])
+    # =~ performs 'array with same elements' (set) matching
+    # For more info see RSpec::Matchers::MatchArray
+    result.should =~ ['a','b']
+  end
+end