require 'spec_helper'

describe NavLinks::LinkGenerator do
  describe '#to_html' do
    subject { NavLinks::LinkGenerator }
    let(:request){ double("Request") }

    it "outputs a simple link when appropriate" do
      request.stub(:fullpath).and_return('/not-projects')
      subject.new(request, 'Hi', '/projects').to_html.should == '<a href="/projects">Hi</a>'
    end

    it "knows when to flag the link as current" do
      request.stub(:fullpath).and_return('/projects')
      subject.new(request, 'Hi', '/projects').to_html.should == '<a class="selected" href="/projects">Hi</a>'
    end

    it "does not flag the link as current if there are parameters in the path" do
      request.stub(:fullpath).and_return('/projects?all=true')
      subject.new(request, 'Hi', '/projects').to_html.should == '<a href="/projects">Hi</a>'
    end

    it "flags the link as selected if there are parameters in the path but we are ignoring parameters" do
      request.stub(:fullpath).and_return('/projects?all=true')
      subject.new(request, 'Hi', '/projects', {}, :ignore_params => true).to_html
        .should == '<a class="selected" href="/projects">Hi</a>'
    end

    it "allows the specification of an alternate selected class" do
      request.stub(:fullpath).and_return('/projects')
      subject.new(request, 'Hi', '/projects', {}, :selected_class => 'current').to_html
        .should == '<a class="current" href="/projects">Hi</a>'
    end

    it "generates a wrapper for the link when specified" do
      request.stub(:fullpath).and_return('/not-projects')
      subject.new(request, 'Hi', '/projects', {}, :wrapper => 'li').to_html
        .should == '<li><a href="/projects">Hi</a></li>'
    end

    it "provides a class for the wrapper when specified" do
      request.stub(:fullpath).and_return('/not-projects')
      subject.new(request, 'Hi', '/projects', {}, :wrapper => 'li', :wrapper_class => 'container').to_html
        .should == '<li class="container"><a href="/projects">Hi</a></li>'
    end

    it "provides a class for the wrapper when specified along with a selected class if neeeded" do
      request.stub(:fullpath).and_return('/projects')
      subject.new(request, 'Hi', '/projects', {}, :wrapper => 'li', :wrapper_class => 'container').to_html
        .should == '<li class="selected container"><a href="/projects">Hi</a></li>'
    end

    it "allows specification of the link classes" do
      request.stub(:fullpath).and_return('/not-projects')
      subject.new(request, 'Hi', '/projects', :class => 'one two').to_html
        .should == '<a class="one two" href="/projects">Hi</a>'
    end

    it "combines custom link classes when the link is selected" do
      request.stub(:fullpath).and_return('/projects')
      subject.new(request, 'Hi', '/projects', :class => 'one two').to_html
        .should == '<a class="one two selected" href="/projects">Hi</a>'
    end

    it "ignores the ID in the path when provided with a segment" do
      request.stub(:fullpath).and_return('/projects/2')
      request.stub(:path).and_return('/projects/2')
      subject.new(request, 'Hi', '/projects', {}, :url_segment => 1).to_html
        .should == '<a class="selected" href="/projects">Hi</a>'
    end

    it "handles deep URL segments" do
      request.stub(:fullpath).and_return('/projects/2/edit')
      request.stub(:path).and_return('/projects/2/edit')
      subject.new(request, 'Hi', '/projects/2', {}, :url_segment => 2).to_html
        .should == '<a class="selected" href="/projects/2">Hi</a>'
    end

    it "knows to not match on the first segment when requested" do
      request.stub(:fullpath).and_return('/projects/2/edit')
      request.stub(:path).and_return('/projects/2/edit')
      subject.new(request, 'Hi', '/projects/1', {}, :url_segment => 2).to_html
        .should == '<a href="/projects/1">Hi</a>'
    end

    it "handles matching on the controller segment" do
      Rails.application.routes.stub(:recognize_path).with('/members/1').and_return(:controller => 'members')
      Rails.application.routes.stub(:recognize_path).with('/members/pages/1').and_return(:controller => 'members')

      request.stub(:fullpath).and_return('/members/pages/1')
      request.stub(:path).and_return('/members/pages/1')

      subject.new(request, 'Hi', '/members/1', {}, :controller_segment => 1).to_html
        .should == '<a class="selected" href="/members/1">Hi</a>'
    end
  end
end