Add DOMReference & BlackBoxNode server-side specs

lib/clearwater/black_box_node.rb

@@ -0,0 +1,7 @@
+module Clearwater
+  module BlackBoxNode
+    def to_s
+      node.to_s
+    end
+  end
+end

lib/clearwater/component.rb

@@ -1,7 +1,10 @@
 require 'clearwater/component/html_tags'
+require 'clearwater/dom_reference'
 
 module Clearwater
   module Component
+    extend self
+
     attr_accessor :outlet
     attr_accessor :router
 
@@ -36,10 +39,6 @@ def params
       router.params_for_path(router.current_path)
     end
 
-    def param(key)
-      params[key]
-    end
-
     def call &block
     end
 
@@ -83,10 +82,8 @@ def sanitize_attributes attributes
           }.join(';')
         end
 
-        attributes.each do |key, handler|
-          if key[0, 2] == 'on'
-            attributes.delete key
-          end
+        attributes.reject! do |key, handler|
+          key[0, 2] == 'on' || DOMReference === handler
         end
 
         attributes

lib/clearwater/dom_reference.rb

@@ -0,0 +1,7 @@
+module Clearwater
+  class DOMReference
+    def to_s
+      ''.freeze
+    end
+  end
+end

spec/clearwater/black_box_node_spec.rb

@@ -0,0 +1,21 @@
+require 'spec_helper'
+require 'clearwater/black_box_node'
+require 'clearwater/component'
+
+module Clearwater
+  describe BlackBoxNode do
+    let(:object) {
+      Class.new do
+        include Clearwater::BlackBoxNode
+
+        def node
+          Clearwater::Component.div({ id: 'foo' }, 'hi')
+        end
+      end.new
+    }
+
+    it 'just renders the specified node' do
+      expect(object.to_s).to eq '<div id="foo">hi</div>'
+    end
+  end
+end

spec/clearwater/component_spec.rb

@@ -1,3 +1,4 @@
+require 'spec_helper'
 require_relative '../../lib/clearwater/component'
 
 module Clearwater
@@ -23,6 +24,14 @@ module Clearwater
       expect(html).to eq('<div style="font-size:24px;padding:3px">Hello world!</div>')
     end
 
+    it 'removes DOMReference attributes' do
+      html = component.div({
+        ref: DOMReference.new,
+      }, 'Hello World!').to_s
+
+      expect(html).to eq('<div>Hello World!</div>')
+    end
+
     describe 'content sanitization' do
       it 'sanitizes content strings, but not elements' do
         html = component.div(component.p('<em>hi</em>')).to_s

spec/clearwater/dom_reference_spec.rb

@@ -0,0 +1,11 @@
+require 'clearwater/dom_reference'
+
+module Clearwater
+  describe DOMReference do
+    let(:ref) { DOMReference.new }
+
+    it 'sanitizes to an empty string' do
+      expect(ref.to_s).to eq ''
+    end
+  end
+end

spec/spec_helper.rb

@@ -0,0 +1 @@
+$:.unshift 'shared'