1 files changed, 33 insertions, 0 deletions
diff --git a/puppet/modules/stdlib/spec/functions/downcase_spec.rb b/puppet/modules/stdlib/spec/functions/downcase_spec.rb
new file mode 100755
index 00000000..edebc44f
--- /dev/null
+++ b/puppet/modules/stdlib/spec/functions/downcase_spec.rb
@@ -0,0 +1,33 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the downcase function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  it "should exist" do
+    expect(Puppet::Parser::Functions.function("downcase")).to eq("function_downcase")
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    expect { scope.function_downcase([]) }.to( raise_error(Puppet::ParseError))
+  end
+
+  it "should downcase a string" do
+    result = scope.function_downcase(["ASFD"])
+    expect(result).to(eq("asfd"))
+  end
+
+  it "should do nothing to a string that is already downcase" do
+    result = scope.function_downcase(["asdf asdf"])
+    expect(result).to(eq("asdf asdf"))
+  end
+
+  it "should accept objects which extend String" do
+    class AlsoString < String
+    end
+
+    value = AlsoString.new("ASFD")
+    result = scope.function_downcase([value])
+    result.should(eq('asfd'))
+  end
+end