require 'spec_helper'

describe Machined::Helpers::RenderHelpers do
  describe '#render' do
    it 'renders partials' do
      within_construct do |c|
        c.file 'pages/index.html.erb', <<-CONTENT.unindent
          <%= render 'partial1' %>
          <%= render 'partial2' %>
          <%= render 'partials/partial3' %>
        CONTENT
        c.file 'views/partial1.md', '# Hello World'
        c.file 'views/_partial2.haml', "%p Here's some Content..."
        c.file 'views/partials/_partial3.html', "<p>And some more</p>\n"
        
        machined.pages['index.html'].to_s.should == <<-CONTENT.unindent
          <h1>Hello World</h1>
          <p>Here's some Content...</p>
          <p>And some more</p>
        CONTENT
      end
    end
    
    it 'renders partials with locals' do
      within_construct do |c|
        c.file 'pages/index.html.erb', %(<%= render 'partial', :text => 'Hello World' %>)
        c.file 'views/partial.haml', '%h1= text'
        
        machined.pages['index.html'].to_s.should == "<h1>Hello World</h1>\n"
      end
    end
    
    it 'returns the original locals state once rendered' do
      within_construct do |c|
        c.file 'pages/index.html.erb', <<-CONTENT.unindent
          ---
          title: Hello World
          ---
          <%= render 'partial', :title => 'Title...', :text => 'Text...' %>
          title: <%= title %>
          text: <%= respond_to?(:text) %>
        CONTENT
        c.file 'views/partial.html.erb', "title: <%= title %>\ntext: <%= text %>\n"
        
        machined.pages['index.html'].to_s.should == <<-CONTENT.unindent
          title: Title...
          text: Text...
          title: Hello World
          text: false
        CONTENT
      end
    end
    
    it 'renders partial collections' do
      within_construct do |c|
        c.file 'pages/index.html.erb', %(<%= render 'number', :collection => [1,2,3] %>)
        c.file 'views/number.haml', "= number\n= number_counter"
        
        machined.pages['index.html'].to_s.should == "1\n1\n2\n2\n3\n3\n"
      end
    end
    
    it 'does not wrap the partial in a layout' do
      within_construct do |c|
        c.file 'pages/index.html.erb', %(<%= render 'partial' %>)
        c.file 'views/layouts/application.html.erb', '<h1><%= yield %></h1>'
        c.file 'views/partial.html.erb', 'Hello World'
        
        machined.pages['index.html'].to_s.should == '<h1>Hello World</h1>'
      end
    end
    
    it 'optionally wraps the partial in a layout' do
      within_construct do |c|
        c.file 'pages/index.html.erb', %(<%= render 'partial', :layout => 'partial' %>)
        c.file 'views/layouts/partial.html.erb', '<h1><%= yield %></h1>'
        c.file 'views/partial.html.erb', 'Hello World'
        
        machined.pages['index.html'].to_s.should == '<h1>Hello World</h1>'
      end
    end
    
    it 'adds the partial as a dependency' do
      within_construct do |c|
        c.file 'pages/index.html.erb', %(<%= render 'partial' %>)
        dep = c.file 'views/partial.haml', 'Hello World'
        
        asset = machined.pages['index.html']
        asset.should be_fresh(machined.pages)
          
        dep.open('w') { |f| f.write('%h1 Hello World') }
        mtime = Time.now + 600
        dep.utime mtime, mtime
        
        asset.should_not be_fresh(machined.pages)
      end
    end
    
    it 'raises a Sprockets::FileNotFound error if the partial is missing' do
      within_construct do |c|
        c.file 'pages/index.html.erb', %(<%= render 'partial' %>)
        
        expect {
          machined.pages['index.html'].to_s
        }.to raise_error(Sprockets::FileNotFound)
      end
    end
  end
end