1 files changed, 31 insertions, 0 deletions
diff --git a/puppet/modules/stdlib/spec/functions/is_function_available.rb b/puppet/modules/stdlib/spec/functions/is_function_available.rb
new file mode 100755
index 00000000..3a9aa1b2
--- /dev/null
+++ b/puppet/modules/stdlib/spec/functions/is_function_available.rb
@@ -0,0 +1,31 @@
+#!/usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the is_function_available function" do
+  before :all do
+    Puppet::Parser::Functions.autoloader.loadall
+  end
+
+  before :each do
+    @scope = Puppet::Parser::Scope.new
+  end
+
+  it "should exist" do
+    expect(Puppet::Parser::Functions.function("is_function_available")).to eq("function_is_function_available")
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    expect { @scope.function_is_function_available([]) }.to( raise_error(Puppet::ParseError))
+  end
+
+  it "should return false if a nonexistent function is passed" do
+    result = @scope.function_is_function_available(['jeff_mccunes_left_sock'])
+    expect(result).to(eq(false))
+  end
+
+  it "should return true if an available function is passed" do
+    result = @scope.function_is_function_available(['require'])
+    expect(result).to(eq(true))
+  end
+
+end