require "spec_helper"

describe Sprockets::Helpers do
  describe ".configure" do
    it "sets global configuration" do
      within_construct do |c|
        c.file "assets/main.css"
        
        context.asset_path("main.css").should == "/assets/main.css"
        Sprockets::Helpers.configure do |config|
          config.digest = true
          config.prefix = "/themes"
        end
        context.asset_path("main.css").should =~ %r(/themes/main-[0-9a-f]+.css)
        Sprockets::Helpers.digest = nil
        Sprockets::Helpers.prefix = nil
      end
    end
  end
  
  describe ".digest" do
    it "globally configures digest paths" do
      within_construct do |c|
        c.file "assets/main.js"
        
        context.asset_path("main", :ext => "js").should == "/assets/main.js"
        Sprockets::Helpers.digest = true
        context.asset_path("main", :ext => "js").should =~ %r(/assets/main-[0-9a-f]+.js)
        Sprockets::Helpers.digest = nil
      end
    end
  end
  
  describe ".environment" do
    it "sets a custom assets environment" do
      within_construct do |c|
        c.file "themes/main.css"
        
        custom_env = Sprockets::Environment.new
        custom_env.append_path "themes"
        Sprockets::Helpers.environment = custom_env
        context.asset_path("main.css").should == "/assets/main.css"
        Sprockets::Helpers.environment = nil
      end
    end
  end
  
  describe ".prefix" do
    it "sets a custom assets prefix" do
      within_construct do |c|
        c.file "assets/logo.jpg"
        
        context.asset_path("logo.jpg").should == "/assets/logo.jpg"
        Sprockets::Helpers.prefix = "/images"
        context.asset_path("logo.jpg").should == "/images/logo.jpg"
        Sprockets::Helpers.prefix = nil
      end
    end
  end
  
  describe ".public_path" do
    it "sets a custom location for the public path" do
      within_construct do |c|
        c.file "output/main.js"
        
        context.asset_path("main.js").should == "/main.js"
        Sprockets::Helpers.public_path = "./output"
        context.asset_path("main.js").should =~ %r(/main.js\?\d+)
        Sprockets::Helpers.public_path = nil
      end
    end
  end
  
  describe "#asset_path" do
    context "with URIs" do
      it "returns URIs untouched" do
        context.asset_path("https://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js").should ==
          "https://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"
        context.asset_path("http://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js").should ==
          "http://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"
        context.asset_path("//ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js").should ==
          "//ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"
      end
    end
    
    context "with regular files" do
      it "returns absolute paths" do
        context.asset_path("/path/to/file.js").should == "/path/to/file.js"
        context.asset_path("/path/to/file.jpg").should == "/path/to/file.jpg"
      end
      
      it "appends the extension for javascripts and stylesheets" do
        context.asset_path("/path/to/file", :ext => "js").should == "/path/to/file.js"
        context.asset_path("/path/to/file", :ext => "css").should == "/path/to/file.css"
      end
      
      it "prepends a base dir" do
        context.asset_path("main", :dir => "stylesheets", :ext => "css").should == "/stylesheets/main.css"
        context.asset_path("main", :dir => "javascripts", :ext => "js").should == "/javascripts/main.js"
        context.asset_path("logo.jpg", :dir => "images").should == "/images/logo.jpg"
      end
      
      it "appends a timestamp if the file exists in the output path" do
        within_construct do |c|
          c.file "public/main.js"
          c.file "public/favicon.ico"
          
          context.asset_path("main", :ext => "js").should =~ %r(/main.js\?\d+)
          context.asset_path("/favicon.ico").should =~ %r(/favicon.ico\?\d+)
        end
      end
    end
    
    context "with assets" do
      it "returns URLs to the assets" do
        within_construct do |c|
          c.file "assets/logo.jpg"
          c.file "assets/main.js"
          c.file "assets/main.css"
          
          context.asset_path("main", :ext => "css").should == "/assets/main.css"
          context.asset_path("main", :ext => "js").should == "/assets/main.js"
          context.asset_path("logo.jpg").should == "/assets/logo.jpg"
        end
      end
      
      it "prepends the assets prefix" do
        within_construct do |c|
          c.file "assets/logo.jpg"
          
          context.asset_path("logo.jpg").should == "/assets/logo.jpg"
          context.asset_path("logo.jpg", :prefix => "/images").should == "/images/logo.jpg"
        end
      end
      
      it "uses the digest path if configured" do
        within_construct do |c|
          c.file "assets/main.js"
          
          context.asset_path("main", :ext => "js").should == "/assets/main.js"
          context.asset_path("main", :ext => "js", :digest => true).should =~ %r(/assets/main-[0-9a-f]+.js)
        end
      end
      
      it "returns a body parameter" do
        within_construct do |c|
          c.file "assets/main.js"
          
          context.asset_path("main", :ext => "js", :body => true).should == "/assets/main.js?body=1"
        end
      end
    end
  end
  
  describe "#javascript_path" do
    context "with regular files" do
      it "appends the js extension" do
        context.javascript_path("/path/to/file").should == "/path/to/file.js"
      end
      
      it "prepends the javascripts dir" do
        context.javascript_path("main").should == "/javascripts/main.js"
      end
    end
  end
  
  describe "#stylesheet_path" do
    context "with regular files" do
      it "appends the css extension" do
        context.stylesheet_path("/path/to/file").should == "/path/to/file.css"
      end
      
      it "prepends the stylesheets dir" do
        context.stylesheet_path("main").should == "/stylesheets/main.css"
      end
    end
  end
  
  describe "#image_path" do
    context "with regular files" do
      it "prepends the images dir" do
        context.image_path("logo.jpg").should == "/images/logo.jpg"
      end
    end
  end
end