X-Git-Url: https://git.adam-barratt.org.uk/?a=blobdiff_plain;f=3rdparty%2Fmodules%2Fstdlib%2Fspec%2Ffunctions%2Ffqdn_rotate_spec.rb;fp=3rdparty%2Fmodules%2Fstdlib%2Fspec%2Ffunctions%2Ffqdn_rotate_spec.rb;h=673a8a3214b60030df2add7f66c187fa787469fa;hb=ad88f67c13ae0f1a08936dad643f1e3509ab5f40;hp=0000000000000000000000000000000000000000;hpb=23d29143ac40015ce61cf83a4067466f8f7d66dc;p=mirror%2Fdsa-puppet.git

diff --git a/3rdparty/modules/stdlib/spec/functions/fqdn_rotate_spec.rb b/3rdparty/modules/stdlib/spec/functions/fqdn_rotate_spec.rb
new file mode 100755
index 000000000..673a8a321
--- /dev/null
+++ b/3rdparty/modules/stdlib/spec/functions/fqdn_rotate_spec.rb
@@ -0,0 +1,60 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the fqdn_rotate function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  it "should exist" do
+    expect(Puppet::Parser::Functions.function("fqdn_rotate")).to eq("function_fqdn_rotate")
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    expect { scope.function_fqdn_rotate([]) }.to( 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"])
+    expect(result.size).to(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
+    expect(scope.function_fqdn_rotate(["abcdefg"])).to 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"])
+     expect(val1).not_to eql(val2)
+  end
+
+  it "should accept objects which extend String" do
+    class AlsoString < String
+    end
+
+    scope.expects(:lookupvar).with("::fqdn").returns("127.0.0.1")
+    value = AlsoString.new("asdf")
+    result = scope.function_fqdn_rotate([value])
+    result.size.should(eq(4))
+  end
+
+  it "should use the Puppet::Util.deterministic_rand function if available" do
+    scope.expects(:lookupvar).with("::fqdn").returns("127.0.0.1")
+    if Puppet::Util.respond_to?(:deterministic_rand)
+      Puppet::Util.expects(:deterministic_rand).with(113646079810780526294648115052177588845,4)
+    end
+    scope.function_fqdn_rotate(["asdf"])
+  end
+
+  it "should not leave the global seed in a deterministic state" do
+    scope.expects(:lookupvar).with("::fqdn").returns("127.0.0.1").twice
+    scope.function_fqdn_rotate(["asdf"])
+    rand1 = rand()
+    scope.function_fqdn_rotate(["asdf"])
+    rand2 = rand()
+    expect(rand1).not_to eql(rand2)
+  end
+end