1 files changed, 33 insertions, 0 deletions
diff --git a/spec/unit/puppet/parser/functions/fqdn_rotate_spec.rb b/spec/unit/puppet/parser/functions/fqdn_rotate_spec.rb
new file mode 100644
index 0000000..4eb799d
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/fqdn_rotate_spec.rb
@@ -0,0 +1,33 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the fqdn_rotate function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  it "should exist" do
+    Puppet::Parser::Functions.function("fqdn_rotate").should == "function_fqdn_rotate"
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    lambda { scope.function_fqdn_rotate([]) }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should rotate a string and the result should be the same size" do
+    scope.expects(:lookupvar).with("::fqdn").returns("127.0.0.1")
+    result = scope.function_fqdn_rotate(["asdf"])
+    result.size.should(eq(4))
+  end
+
+  it "should rotate a string to give the same results for one host" do
+    scope.expects(:lookupvar).with("::fqdn").returns("127.0.0.1").twice 
+    scope.function_fqdn_rotate(["abcdefg"]).should eql(scope.function_fqdn_rotate(["abcdefg"]))
+  end
+
+  it "should rotate a string to give different values on different hosts" do
+     scope.expects(:lookupvar).with("::fqdn").returns("127.0.0.1")
+     val1 = scope.function_fqdn_rotate(["abcdefghijklmnopqrstuvwxyz01234567890987654321"])
+     scope.expects(:lookupvar).with("::fqdn").returns("127.0.0.2")
+     val2 = scope.function_fqdn_rotate(["abcdefghijklmnopqrstuvwxyz01234567890987654321"])
+     val1.should_not eql(val2)
+  end
+end