1 files changed, 32 insertions, 0 deletions
diff --git a/puppet/modules/stdlib/spec/functions/empty_spec.rb b/puppet/modules/stdlib/spec/functions/empty_spec.rb
new file mode 100755
index 00000000..6a97c4cd
--- /dev/null
+++ b/puppet/modules/stdlib/spec/functions/empty_spec.rb
@@ -0,0 +1,32 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the empty function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+  it "should exist" do
+    expect(Puppet::Parser::Functions.function("empty")).to eq("function_empty")
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    expect { scope.function_empty([]) }.to( raise_error(Puppet::ParseError))
+  end
+
+  it "should return a true for an empty string" do
+    result = scope.function_empty([''])
+    expect(result).to(eq(true))
+  end
+
+  it "should return a false for a non-empty string" do
+    result = scope.function_empty(['asdf'])
+    expect(result).to(eq(false))
+  end
+
+  it "should accept objects which extend String" do
+    class AlsoString < String
+    end
+
+    value = AlsoString.new()
+    result = scope.function_empty([value])
+    result.should(eq(true))
+  end
+end