# redMine - project management software
# Copyright (C) 2006-2007  Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

require File.expand_path('../../test_helper', __FILE__)
require 'application_controller'

# Re-raise errors caught by the controller.
class ApplicationController; def rescue_action(e) raise e end; end

class ApplicationControllerTest < ActionController::TestCase
  include Redmine::I18n
  
  def setup
    @controller = ApplicationController.new
    @request    = ActionController::TestRequest.new
    @response   = ActionController::TestResponse.new
  end

  # check that all language files are valid
  def test_localization
    lang_files_count = Dir["#{RAILS_ROOT}/config/locales/*.yml"].size
    assert_equal lang_files_count, valid_languages.size
    valid_languages.each do |lang|
      assert set_language_if_valid(lang)
    end
    set_language_if_valid('en')
  end
  
  def test_call_hook_mixed_in
    assert @controller.respond_to?(:call_hook)
  end
  
  context "test_api_offset_and_limit" do
    context "without params" do
      should "return 0, 25" do
        assert_equal [0, 25], @controller.api_offset_and_limit({})
      end
    end
    
    context "with limit" do
      should "return 0, limit" do
        assert_equal [0, 30], @controller.api_offset_and_limit({:limit => 30})
      end
      
      should "not exceed 100" do
        assert_equal [0, 100], @controller.api_offset_and_limit({:limit => 120})
      end

      should "not be negative" do
        assert_equal [0, 25], @controller.api_offset_and_limit({:limit => -10})
      end
    end
    
    context "with offset" do
      should "return offset, 25" do
        assert_equal [10, 25], @controller.api_offset_and_limit({:offset => 10})
      end

      should "not be negative" do
        assert_equal [0, 25], @controller.api_offset_and_limit({:offset => -10})
      end
      
      context "and limit" do
        should "return offset, limit" do
          assert_equal [10, 50], @controller.api_offset_and_limit({:offset => 10, :limit => 50})
        end
      end
    end
    
    context "with page" do
      should "return offset, 25" do
        assert_equal [0, 25], @controller.api_offset_and_limit({:page => 1})
        assert_equal [50, 25], @controller.api_offset_and_limit({:page => 3})
      end

      should "not be negative" do
        assert_equal [0, 25], @controller.api_offset_and_limit({:page => 0})
        assert_equal [0, 25], @controller.api_offset_and_limit({:page => -2})
      end
      
      context "and limit" do
        should "return offset, limit" do
          assert_equal [0, 100], @controller.api_offset_and_limit({:page => 1, :limit => 100})
          assert_equal [200, 100], @controller.api_offset_and_limit({:page => 3, :limit => 100})
        end
      end
    end
  end
end
