1 files changed, 40 insertions, 0 deletions
diff --git a/spec/unit/puppet/parser/functions/range_spec.rb b/spec/unit/puppet/parser/functions/range_spec.rb
new file mode 100644
index 0000000..060423a
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/range_spec.rb
@@ -0,0 +1,40 @@
+#!/usr/bin/env rspec
+require 'spec_helper'
+
+describe "the range function" do
+  before :all do
+    Puppet::Parser::Functions.autoloader.loadall
+  end
+
+  let :scope do
+    Puppet::Parser::Scope.new
+  end
+
+  it "should exist" do
+    Puppet::Parser::Functions.function("range").should == "function_range"
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    lambda { scope.function_range([]) }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should return a letter range" do
+    result = scope.function_range(["a","d"])
+    result.should(eq(['a','b','c','d']))
+  end
+
+  it "should return a number range" do
+    result = scope.function_range(["1","4"])
+    result.should(eq([1,2,3,4]))
+  end
+
+  it "should work with padded hostname like strings" do
+    expected = ("host01".."host10").to_a
+    scope.function_range(["host01","host10"]).should eq expected
+  end
+
+  it "should coerce zero padded digits to integers" do
+    expected = (0..10).to_a
+    scope.function_range(["00", "10"]).should eq expected
+  end
+end