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# coding:utf-8
require "isolation/abstract_unit"

module ApplicationTests
  class RakeTest < ActiveSupport::TestCase
    include ActiveSupport::Testing::Isolation

    def setup
      build_app
      boot_rails
      FileUtils.rm_rf("#{app_path}/config/environments")
    end

    def teardown
      teardown_app
    end

    def test_gems_tasks_are_loaded_first_than_application_ones
      app_file "lib/tasks/app.rake", <<-RUBY
        $task_loaded = Rake::Task.task_defined?("db:create:all")
      RUBY

      require "#{app_path}/config/environment"
      ::Rails.application.load_tasks
      assert $task_loaded
    end

    def test_environment_is_required_in_rake_tasks
      app_file "config/environment.rb", <<-RUBY
        SuperMiddleware = Struct.new(:app)

        AppTemplate::Application.configure do
          config.middleware.use SuperMiddleware
        end

        AppTemplate::Application.initialize!
      RUBY

      assert_match("SuperMiddleware", Dir.chdir(app_path){ `rake middleware` })
    end

    def test_initializers_are_executed_in_rake_tasks
      add_to_config <<-RUBY
        initializer "do_something" do
          puts "Doing something..."
        end

        rake_tasks do
          task :do_nothing => :environment do
          end
        end
      RUBY

      output = Dir.chdir(app_path){ `rake do_nothing` }
      assert_match "Doing something...", output
    end

    def test_does_not_explode_when_accessing_a_model_with_eager_load
      add_to_config <<-RUBY
        config.eager_load = true

        rake_tasks do
          task :do_nothing => :environment do
            Hello.new.world
          end
        end
      RUBY

      app_file "app/models/hello.rb", <<-RUBY
      class Hello
        def world
          puts "Hello world"
        end
      end
      RUBY

      output = Dir.chdir(app_path){ `rake do_nothing` }
      assert_match "Hello world", output
    end

    def test_code_statistics_sanity
      assert_match "Code LOC: 5     Test LOC: 0     Code to Test Ratio: 1:0.0",
        Dir.chdir(app_path){ `rake stats` }
    end

    def test_rake_test_error_output
      Dir.chdir(app_path){ `rake db:migrate` }

      app_file "test/unit/one_unit_test.rb", <<-RUBY
        raise 'unit'
      RUBY

      app_file "test/functional/one_functional_test.rb", <<-RUBY
        raise 'functional'
      RUBY

      app_file "test/integration/one_integration_test.rb", <<-RUBY
        raise 'integration'
      RUBY

      silence_stderr do
        output = Dir.chdir(app_path) { `rake test 2>&1` }
        assert_match 'unit', output
        assert_match 'functional', output
        assert_match 'integration', output
      end
    end

    def test_rake_routes_calls_the_route_inspector
      app_file "config/routes.rb", <<-RUBY
        AppTemplate::Application.routes.draw do
          get '/cart', :to => 'cart#show'
        end
      RUBY
      assert_equal "cart GET /cart(.:format) cart#show\n", Dir.chdir(app_path){ `rake routes` }
    end

    def test_logger_is_flushed_when_exiting_production_rake_tasks
      add_to_config <<-RUBY
        rake_tasks do
          task :log_something => :environment do
            Rails.logger.error("Sample log message")
          end
        end
      RUBY

      output = Dir.chdir(app_path){ `rake log_something RAILS_ENV=production && cat log/production.log` }
      assert_match "Sample log message", output
    end

    def test_loading_specific_fixtures
      Dir.chdir(app_path) do
        `rails generate model user username:string password:string;
         rails generate model product name:string;
         rake db:migrate`
      end

      require "#{rails_root}/config/environment"

      # loading a specific fixture
      errormsg = Dir.chdir(app_path) { `rake db:fixtures:load FIXTURES=products` }
      assert $?.success?, errormsg

      assert_equal 2, ::AppTemplate::Application::Product.count
      assert_equal 0, ::AppTemplate::Application::User.count
    end

    def test_loading_only_yml_fixtures
      Dir.chdir(app_path) do
        `rake db:migrate`
      end

      app_file "test/fixtures/products.csv", ""

      require "#{rails_root}/config/environment"
      errormsg = Dir.chdir(app_path) { `rake db:fixtures:load` }
      assert $?.success?, errormsg
    end

    def test_scaffold_tests_pass_by_default
      output = Dir.chdir(app_path) do
        `rails generate scaffold user username:string password:string;
         bundle exec rake db:migrate db:test:clone test`
      end

      assert_match(/7 tests, 13 assertions, 0 failures, 0 errors/, output)
      assert_no_match(/Errors running/, output)
    end

    def test_db_test_clone_when_using_sql_format
      add_to_config "config.active_record.schema_format = :sql"
      output = Dir.chdir(app_path) do
        `rails generate scaffold user username:string;
         bundle exec rake db:migrate db:test:clone 2>&1 --trace`
      end
      assert_match(/Execute db:test:clone_structure/, output)
    end

    def test_db_test_prepare_when_using_sql_format
      add_to_config "config.active_record.schema_format = :sql"
      output = Dir.chdir(app_path) do
        `rails generate scaffold user username:string;
         bundle exec rake db:migrate db:test:prepare 2>&1 --trace`
      end
      assert_match(/Execute db:test:load_structure/, output)
    end

    def test_rake_dump_structure_should_respect_db_structure_env_variable
      Dir.chdir(app_path) do
        # ensure we have a schema_migrations table to dump
        `bundle exec rake db:migrate db:structure:dump DB_STRUCTURE=db/my_structure.sql`
      end
      assert File.exists?(File.join(app_path, 'db', 'my_structure.sql'))
    end

    def test_rake_dump_structure_should_be_called_twice_when_migrate_redo
      add_to_config "config.active_record.schema_format = :sql"

      output = Dir.chdir(app_path) do
        `rails g model post title:string;
         bundle exec rake db:migrate:redo 2>&1 --trace;`
      end

      # expect only Invoke db:structure:dump (first_time)
      assert_no_match(/^\*\* Invoke db:structure:dump\s+$/, output)
    end

    def test_rake_dump_schema_cache
      Dir.chdir(app_path) do
        `rails generate model post title:string;
         rails generate model product name:string;
         bundle exec rake db:migrate db:schema:cache:dump`
      end
      assert File.exists?(File.join(app_path, 'db', 'schema_cache.dump'))
    end

    def test_rake_clear_schema_cache
      Dir.chdir(app_path) do
        `bundle exec rake db:schema:cache:dump db:schema:cache:clear`
      end
      assert !File.exists?(File.join(app_path, 'db', 'schema_cache.dump'))
    end

    def test_load_activerecord_base_when_we_use_observers
      Dir.chdir(app_path) do
        `bundle exec rails g model user;
         bundle exec rake db:migrate;
         bundle exec rails g observer user;`

        add_to_config "config.active_record.observers = :user_observer"

        assert_equal "0", `bundle exec rails r "puts User.count"`.strip

        app_file "lib/tasks/count_user.rake", <<-RUBY
          namespace :user do
            task :count => :environment do
              puts User.count
            end
          end
        RUBY

        assert_equal "0", `bundle exec rake user:count`.strip
      end
    end

    def test_copy_templates
      Dir.chdir(app_path) do
        `bundle exec rake rails:templates:copy`
        %w(controller mailer scaffold).each do |dir|
          assert File.exists?(File.join(app_path, 'lib', 'templates', 'erb', dir))
        end
        %w(controller helper scaffold_controller assets).each do |dir|
          assert File.exists?(File.join(app_path, 'lib', 'templates', 'rails', dir))
        end
      end
    end
  end
end