1 files changed, 19 insertions, 0 deletions
diff --git a/puppet/modules/stdlib/spec/functions/join_spec.rb b/puppet/modules/stdlib/spec/functions/join_spec.rb
new file mode 100755
index 00000000..793c36fa
--- /dev/null
+++ b/puppet/modules/stdlib/spec/functions/join_spec.rb
@@ -0,0 +1,19 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the join function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  it "should exist" do
+    expect(Puppet::Parser::Functions.function("join")).to eq("function_join")
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    expect { scope.function_join([]) }.to( raise_error(Puppet::ParseError))
+  end
+
+  it "should join an array into a string" do
+    result = scope.function_join([["a","b","c"], ":"])
+    expect(result).to(eq("a:b:c"))
+  end
+end