require 'support/test_helper'
require 'date'

module RubySlippers
  context Engine do
    setup do
      @config = RubySlippers::Engine::Config.new(:markdown => true, :author => AUTHOR, :url => URL)
      @ruby_slippers = Rack::MockRequest.new(RubySlippers::Engine::App.new(@config))  
      
      if File.expand_path("../../", __FILE__) =~ /engine/
        RubySlippers::Engine::Paths[:articles]  = "test/fixtures/articles"
        RubySlippers::Engine::Paths[:templates] = "test/fixtures/templates"
        RubySlippers::Engine::Paths[:pages]     = "test/fixtures/pages"
      end
    end
  
    context "GET /" do
      setup { @ruby_slippers.get('/') }

      asserts("returns a 200")                { topic.status }.equals 200
      asserts("body is not empty")            { not topic.body.empty? }
      asserts("content type is set properly") { topic.content_type }.equals "text/html"
      should("include 3 articles"){ topic.body }.includes_elements("article", 3)

      context "with no articles" do
        setup { Rack::MockRequest.new(RubySlippers::Engine::App.new(@config.merge(:ext => 'oxo'))).get('/') }

        asserts("body is not empty")          { not topic.body.empty? }
        asserts("returns a 200")              { topic.status }.equals 200
      end

      context "with a user-defined to_html" do
        setup do
          @config[:to_html] = lambda do |path, page, binding|
            ERB.new(File.read("#{path}/#{page}.html.erb")).result(binding)
          end
          @ruby_slippers.get('/')
        end

        asserts("returns a 200")                { topic.status }.equals 200
        asserts("body is not empty")            { not topic.body.empty? }
        asserts("content type is set properly") { topic.content_type }.equals "text/html"
        should("include 3 articles"){ topic.body }.includes_elements("article", 3)
        asserts("Etag header present")          { topic.headers.include? "ETag" }
        asserts("Etag header has a value")      { not topic.headers["ETag"].empty? }
      end
    end

    context "GET /about" do
      setup { @ruby_slippers.get('/about') }
      asserts("returns a 200")                { topic.status }.equals 200
      asserts("body is not empty")            { not topic.body.empty? }
    end

    context "GET to an unknown route with a custom error" do
      setup do
        @config[:error] = lambda {|code| "error: #{code}" }
        @ruby_slippers.get('/unknown')
      end

      should("returns a 404") { topic.status }.equals 404
      should("return the custom error") { topic.body }.equals "error: 404"
    end

    context "Request is invalid" do
      setup { @ruby_slippers.delete('/invalid') }
      should("returns a 400") { topic.status }.equals 400
    end
  end
end