Add specs for other ApplicationHelper methods while I'm here.

spec/helpers/application_helper_spec.rb

@@ -1,6 +1,126 @@
 require 'spec_helper'
 
 describe ApplicationHelper do
+  describe '#nav_link' do
+    it 'returns a nav link' do
+      stub(self).current_page?('/things') { false }
+      nav = nav_link('Things', '/things')
+      a = Nokogiri(nav).at('li:not(.active) > a[href="/things"]')
+      expect(a.text.strip).to eq('Things')
+    end
+
+    it 'returns a nav link with a glyphicon' do
+      stub(self).current_page?('/things') { false }
+      nav = nav_link('Things', '/things', glyphicon: 'help')
+      expect(nav).to be_html_safe
+      a = Nokogiri(nav).at('li:not(.active) > a[href="/things"]')
+      expect(a.at('span.glyphicon.glyphicon-help')).to be_a Nokogiri::XML::Element
+      expect(a.text.strip).to eq('Things')
+    end
+
+    it 'returns an active nav link' do
+      stub(self).current_page?('/things') { true }
+      nav = nav_link('Things', '/things')
+      expect(nav).to be_html_safe
+      a = Nokogiri(nav).at('li.active > a[href="/things"]')
+      expect(a).to be_a Nokogiri::XML::Element
+      expect(a.text.strip).to eq('Things')
+    end
+
+    describe 'with block' do
+      it 'returns a nav link with menu' do
+        stub(self).current_page?('/things') { false }
+        stub(self).current_page?('/things/stuff') { false }
+        nav = nav_link('Things', '/things') { nav_link('Stuff', '/things/stuff') }
+        expect(nav).to be_html_safe
+        a0 = Nokogiri(nav).at('li.dropdown.dropdown-hover:not(.active) > a[href="/things"]')
+        expect(a0).to be_a Nokogiri::XML::Element
+        expect(a0.text.strip).to eq('Things')
+        a1 = Nokogiri(nav).at('li.dropdown.dropdown-hover:not(.active) > li:not(.active) > a[href="/things/stuff"]')
+        expect(a1).to be_a Nokogiri::XML::Element
+        expect(a1.text.strip).to eq('Stuff')
+      end
+
+      it 'returns an active nav link with menu' do
+        stub(self).current_page?('/things') { true }
+        stub(self).current_page?('/things/stuff') { false }
+        nav = nav_link('Things', '/things') { nav_link('Stuff', '/things/stuff') }
+        expect(nav).to be_html_safe
+        a0 = Nokogiri(nav).at('li.dropdown.dropdown-hover.active > a[href="/things"]')
+        expect(a0).to be_a Nokogiri::XML::Element
+        expect(a0.text.strip).to eq('Things')
+        a1 = Nokogiri(nav).at('li.dropdown.dropdown-hover.active > li:not(.active) > a[href="/things/stuff"]')
+        expect(a1).to be_a Nokogiri::XML::Element
+        expect(a1.text.strip).to eq('Stuff')
+      end
+
+      it 'returns an active nav link with menu when on a child page' do
+        stub(self).current_page?('/things') { false }
+        stub(self).current_page?('/things/stuff') { true }
+        nav = nav_link('Things', '/things') { nav_link('Stuff', '/things/stuff') }
+        expect(nav).to be_html_safe
+        a0 = Nokogiri(nav).at('li.dropdown.dropdown-hover.active > a[href="/things"]')
+        expect(a0).to be_a Nokogiri::XML::Element
+        expect(a0.text.strip).to eq('Things')
+        a1 = Nokogiri(nav).at('li.dropdown.dropdown-hover.active > li:not(.active) > a[href="/things/stuff"]')
+        expect(a1).to be_a Nokogiri::XML::Element
+        expect(a1.text.strip).to eq('Stuff')
+      end
+    end
+  end
+
+  describe '#yes_no' do
+    it 'returns a label "Yes" if any truthy value is given' do
+      [true, Object.new].each { |value|
+        label = yes_no(value)
+        expect(label).to be_html_safe
+        expect(Nokogiri(label).text).to eq 'Yes'
+      }
+    end
+
+    it 'returns a label "No" if any falsy value is given' do
+      [false, nil].each { |value|
+        label = yes_no(value)
+        expect(label).to be_html_safe
+        expect(Nokogiri(label).text).to eq 'No'
+      }
+    end
+  end
+
+  describe '#working' do
+    before do
+      @agent = agents(:jane_website_agent)
+    end
+
+    it 'returns a label "Disabled" if a given agent is disabled' do
+      stub(@agent).disabled? { true }
+      label = working(@agent)
+      expect(label).to be_html_safe
+      expect(Nokogiri(label).text).to eq 'Disabled'
+    end
+
+    it 'returns a label "Missing Gems" if a given agent has dependencies missing' do
+      stub(@agent).dependencies_missing? { true }
+      label = working(@agent)
+      expect(label).to be_html_safe
+      expect(Nokogiri(label).text).to eq 'Missing Gems'
+    end
+
+    it 'returns a label "Yes" if a given agent is working' do
+      stub(@agent).working? { true }
+      label = working(@agent)
+      expect(label).to be_html_safe
+      expect(Nokogiri(label).text).to eq 'Yes'
+    end
+
+    it 'returns a label "No" if a given agent is not working' do
+      stub(@agent).working? { false }
+      label = working(@agent)
+      expect(label).to be_html_safe
+      expect(Nokogiri(label).text).to eq 'No'
+    end
+  end
+
   describe '#icon_for_service' do
     it 'returns a correct icon tag for Twitter' do
       icon = icon_for_service(:twitter)