Added modules

modules/stdlib/spec/acceptance/pick_spec.rb

@@ -0,0 +1,44 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper_acceptance'
+
+describe 'pick function', :unless => UNSUPPORTED_PLATFORMS.include?(fact('operatingsystem')) do
+  describe 'success' do
+    it 'picks a default value' do
+      pp = <<-EOS
+      $a = undef
+      $o = pick($a, 'default')
+      notice(inline_template('picked is <%= @o.inspect %>'))
+      EOS
+
+      apply_manifest(pp, :catch_failures => true) do |r|
+        expect(r.stdout).to match(/picked is "default"/)
+      end
+    end
+    it 'picks the first set value' do
+      pp = <<-EOS
+      $a = "something"
+      $b = "long"
+      $o = pick($a, $b, 'default')
+      notice(inline_template('picked is <%= @o.inspect %>'))
+      EOS
+
+      apply_manifest(pp, :catch_failures => true) do |r|
+        expect(r.stdout).to match(/picked is "something"/)
+      end
+    end
+  end
+  describe 'failure' do
+    it 'raises error with all undef values' do
+      pp = <<-EOS
+      $a = undef
+      $b = undef
+      $o = pick($a, $b)
+      notice(inline_template('picked is <%= @o.inspect %>'))
+      EOS
+
+      apply_manifest(pp, :expect_failures => true) do |r|
+        expect(r.stderr).to match(/must receive at least one non empty value/)
+      end
+    end
+  end
+end