add tests for resource plugin

test/unit/plugins/resource_test.rb

@@ -0,0 +1,60 @@
+require 'helper'
+
+describe Inspec::Plugins::Resource do
+  let(:base) { Inspec::Plugins::Resource }
+
+  describe '#name' do
+    it "won't register a nil resource" do
+      Class.new(base) do name nil; end
+      Inspec::Resource.registry.keys.wont_include nil
+      Inspec::Resource.registry.keys.wont_include ''
+    end
+
+    it "will register a valid name" do
+      Class.new(base) do name 'hello'; end
+      Inspec::Resource.registry['hello'].wont_be :nil?
+    end
+
+    it "will create a good class name" do
+      Class.new(base) do name 'hello_world'; end
+      Inspec::Resource.registry['hello_world'].to_s
+                      .must_equal 'Inspec::Resource::Registry::HelloWorld'
+    end
+  end
+
+  def create(&block)
+    random_name = (0...50).map { (65 + rand(26)).chr }.join
+    Class.new(base) do
+      name random_name
+      instance_eval &block
+    end
+    Inspec::Resource.registry[random_name]
+  end
+
+  describe '#desc' do
+    it "will register a description" do
+      expected = rand.to_s
+      create { desc expected }.desc.must_equal expected
+    end
+
+    it "can change the description" do
+      c = create { desc rand.to_s }
+      c.desc(x = rand.to_s)
+      c.desc.must_equal x
+    end
+  end
+
+  describe '#example' do
+    it "will register a description" do
+      expected = rand.to_s
+      create { example expected }.example.must_equal expected
+    end
+
+    it "can change the description" do
+      c = create { example rand.to_s }
+      c.example(x = rand.to_s)
+      c.example.must_equal x
+    end
+  end
+
+end