add puppet stdlib

[mirror/dsa-puppet.git] / modules / stdlib / spec / unit / puppet / parser / functions / unique_spec.rb

diff --git a/modules/stdlib/spec/unit/puppet/parser/functions/unique_spec.rb b/modules/stdlib/spec/unit/puppet/parser/functions/unique_spec.rb
new file mode 100644 (file)
index 0000000..627dc33
--- /dev/null
+++ b/modules/stdlib/spec/unit/puppet/parser/functions/unique_spec.rb
@@ -0,0 +1,31 @@
+#!/usr/bin/env rspec
+require 'spec_helper'
+
+describe "the unique 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("unique").should == "function_unique"
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    lambda { @scope.function_unique([]) }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should remove duplicate elements in a string" do
+    result = @scope.function_unique(["aabbc"])
+    result.should(eq('abc'))
+  end
+
+  it "should remove duplicate elements in an array" do
+    result = @scope.function_unique([["a","a","b","b","c"]])
+    result.should(eq(['a','b','c']))
+  end
+
+end