(#13205) Rotate array/string randomley based on fqdn, fqdn_rotate()

1 files changed, 40 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..dd1c3f3
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/fqdn_rotate_spec.rb
@@ -0,0 +1,40 @@
+#!/usr/bin/env rspec
+require 'spec_helper'
+
+describe "the fqdn_rotate function" do
+  before :all do
+    Puppet::Parser::Functions.autoloader.loadall
+  end
+
+  before :each do
+    @scope = Puppet::Parser::Scope.new
+  end
+
+  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