Add nav_link helper to TabHelper

spec/helpers/tab_helper_spec.rb

@@ -0,0 +1,44 @@
+require 'spec_helper'
+
+describe TabHelper do
+  include ApplicationHelper
+
+  describe 'nav_link' do
+    before do
+      controller.stub!(:controller_name).and_return('foo')
+      stub!(:action_name).and_return('foo')
+    end
+
+    it "captures block output" do
+      nav_link { "Testing Blocks" }.should match(/Testing Blocks/)
+    end
+
+    it "performs checks on the current controller" do
+      nav_link(controller: :foo).should match(/<li class="active">/)
+      nav_link(controller: :bar).should_not match(/active/)
+      nav_link(controller: [:foo, :bar]).should match(/active/)
+    end
+
+    it "performs checks on the current action" do
+      nav_link(action: :foo).should match(/<li class="active">/)
+      nav_link(action: :bar).should_not match(/active/)
+      nav_link(action: [:foo, :bar]).should match(/active/)
+    end
+
+    it "performs checks on both controller and action when both are present" do
+      nav_link(controller: :bar, action: :foo).should_not match(/active/)
+      nav_link(controller: :foo, action: :bar).should_not match(/active/)
+      nav_link(controller: :foo, action: :foo).should match(/active/)
+    end
+
+    it "accepts a path shorthand" do
+      nav_link(path: 'foo#bar').should_not match(/active/)
+      nav_link(path: 'foo#foo').should match(/active/)
+    end
+
+    it "passes extra html options to the list element" do
+      nav_link(action: :foo, html_options: {class: 'home'}).should match(/<li class="home active">/)
+      nav_link(html_options: {class: 'active'}).should match(/<li class="active">/)
+    end
+  end
+end