# Redmine plugin for Document Management System "Features"
#
# Copyright (C) 2012   Daniel Munn <dan.munn@munnster.co.uk>
# Copyright (C) 2011-14 Karel Picman <karel.picman@kontron.com>
#
# 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 'fileutils'

class DmsfWebdavPutTest < RedmineDmsf::Test::IntegrationTest

  fixtures :projects, :users, :members, :member_roles, :roles, :enabled_modules, 
    :dmsf_folders, :dmsf_files, :dmsf_file_revisions

  def setup
    DmsfLock.delete_all #Delete all locks that are in our test DB - probably not safe but ho hum
    timestamp = DateTime.now.strftime("%y%m%d%H%M")
    DmsfFile.storage_path = File.expand_path("./dmsf_test-#{timestamp}", DmsfHelper.temp_dir)
    Dir.mkdir(DmsfFile.storage_path) unless File.directory?(DmsfFile.storage_path)
    @admin = credentials 'admin'
    @jsmith = credentials 'jsmith'
    @jsmith = credentials 'jsmith'
    @project1 = Project.find_by_id 1
    @project2 = Project.find_by_id 2
    @role_developer = Role.find 2
    Setting.plugin_redmine_dmsf['dmsf_webdav'] = '1'
    Setting.plugin_redmine_dmsf['dmsf_webdav_strategy'] = 'WEBDAV_READ_WRITE'
    super
  end

#  def teardown    
#    # Delete our tmp folder
#    begin
#      FileUtils.rm_rf DmsfFile.storage_path
#    rescue 
#      warn 'DELETE FAILED'
#    end
#  end
  
  def test_truth    
    assert_kind_of Project, @project1
    assert_kind_of Project, @project2
    assert_kind_of Role, @role_developer    
  end

  test 'PUT denied unless authenticated' do
    put 'dmsf/webdav'
    assert_response 401

    put "dmsf/webdav/#{@project1.identifier}"
    assert_response 401
  end

  test 'PUT denied with failed authentication' do
    put 'dmsf/webdav', nil, credentials('admin', 'badpassword')
    assert_response 401

    put "dmsf/webdav/#{@project1.identifier}", nil, credentials('admin', 'badpassword')
    assert_response 401
  end

  test 'PUT denied at root level' do
    put 'dmsf/webdav/test.txt', "1234", @admin.merge!({:content_type => :text})
    assert_response 501
  end

  test 'PUT denied on collection/folder' do
    put "dmsf/webdav/#{@project1.identifier}", '1234', @admin.merge!({:content_type => :text})
    assert_response 403 #forbidden
  end

  test 'PUT failed on non-existant project' do
    put 'dmsf/webdav/not_a_project/file.txt', '1234', @admin.merge!({:content_type => :text})
    assert_response 409 # Conflict, not_a_project does not exist - file.txt cannot be created
  end

  test 'PUT as admin granted on dmsf-enabled project' do
    put "dmsf/webdav/#{@project1.identifier}/test-1234.txt", '1234', @admin.merge!({:content_type => :text})
    assert_response 201 #201 Created

    #Lets check for our file
    file = DmsfFile.find_file_by_name @project1, nil, 'test-1234.txt'
    assert file, 'Check for files existance'
  end

  test 'PUT failed as jsmith on non-dmsf enabled project' do
    put "dmsf/webdav/#{@project2.identifier}/test-1234.txt", '1234', @jsmith.merge!({:content_type => :text})
    assert_response 409 #Should report conflict, as project 2 technically doesn't exist if not enabled

    #Lets check for our file
    file = DmsfFile.find_file_by_name @project2, nil, 'test-1234.txt'
    assert_nil file, 'Check for files existance'
  end

  test 'PUT failed when insuficient permissions on project' do   
    @project2.enable_module! :dmsf #Flag module enabled    

    put "dmsf/webdav/#{@project2.identifier}/test-1234.txt", '1234', @jsmith.merge!({:content_type => :text})
    assert_response 409 #We don't hold the permission view_dmsf_folders, and thus project 2 doesn't exist to us.

    @role_developer.add_permission! :view_dmsf_folders 

    put "dmsf/webdav/#{@project2.identifier}/test-1234.txt", '1234', @jsmith.merge!({:content_type => :text})
    assert_response 403 #We don't hold the permission file_manipulation - so we're unable to do anything with files

    @role_developer.remove_permission! :view_dmsf_folders
    @role_developer.add_permission! :file_manipulation

    #Check we don't have write access even if we do have the file_manipulation permission
    put "dmsf/webdav/#{@project2.identifier}/test-1234.txt", '1234', @jsmith.merge!({:content_type => :text})
    assert_response 409 #We don't hold the permission view_dmsf_folders, and thus project 2 doesn't exist to us.

    #Lets check for our file
    file = DmsfFile.find_file_by_name @project2, nil, 'test-1234.txt'
    assert_nil file, 'File test-1234 was found in projects dmsf folder.'   
  end

  test 'PUT succeeds for non-admin with correct permissions' do
    @project2.enable_module! :dmsf #Flag module enabled    

    put "dmsf/webdav/#{@project2.identifier}/test-1234.txt", '1234', @jsmith.merge!({:content_type => :text})
    assert_response 409 #We don't hold the permission view_dmsf_folders, and thus project 2 doesn't exist to us.

    @role_developer.add_permission! :view_dmsf_folders
    @role_developer.add_permission! :file_manipulation

    #Check we don't have write access even if we do have the file_manipulation permission
    put "dmsf/webdav/#{@project2.identifier}/test-1234.txt", '1234', @jsmith.merge!({:content_type => :text})
    assert_response 201 #Now we have permissions :D

    #Lets check for our file
    file = DmsfFile.find_file_by_name @project2, nil, 'test-1234.txt'
    assert file, 'File test-1234 was not found in projects dmsf folder.'   
  end

  test 'PUT writes revision successfully for unlocked file' do
    @project2.enable_module! :dmsf #Flag module enabled    
    @role_developer.add_permission! :view_dmsf_folders
    @role_developer.add_permission! :file_manipulation

    file = DmsfFile.find_file_by_name @project2, nil, 'test.txt'
    assert_difference('file.revisions.count') do
      put "dmsf/webdav/#{@project2.identifier}/test.txt", '1234', @jsmith.merge!({:content_type => :text})
      assert_response 201 #Created
    end
  end

  test 'PUT fails revision when file is locked' do
    @project2.enable_module! :dmsf #Flag module enabled
    @role_developer.add_permission! :view_dmsf_folders
    @role_developer.add_permission! :file_manipulation

    log_user 'admin', 'admin' # login as admin
    assert !User.current.anonymous?, 'Current user is not anonymous'

    file = DmsfFile.find_file_by_name @project2, nil, 'test.txt'
    assert file.lock!, "File failed to be locked by #{User.current.name}"

    assert_no_difference('file.revisions.count') do
      put "dmsf/webdav/#{@project2.identifier}/test.txt", '1234', @jsmith.merge!({:content_type => :text})
      assert_response 423 #Locked
    end

    User.current = User.find(1)
    file.unlock!
    
    assert !file.locked?, "File failed to unlock by #{User.current.name}"   
  end

  test 'PUT fails revision when file is locked and user is administrator' do
    @project2.enable_module! :dmsf #Flag module enabled
    @role_developer.add_permission! :view_dmsf_folders
    @role_developer.add_permission! :file_manipulation

    log_user 'jsmith', 'jsmith' # login as jsmith
    assert !User.current.anonymous?, "Current user is not anonymous"

    file = DmsfFile.find_file_by_name @project2, nil, 'test.txt'
    assert file.lock!, "File failed to be locked by #{User.current.name}"

    assert_no_difference('file.revisions.count') do
      put "dmsf/webdav/#{@project2.identifier}/test.txt", "1234", @admin.merge!({:content_type => :text})
      assert_response 423 #Created
    end
    User.current = User.find(2)
    begin
      file.unlock!
    rescue
      #nothing
    end
    assert !file.locked?, "File failed to unlock by #{User.current.name}"   
  end

  test 'PUT accepts revision when file is locked and user is same as lock holder' do
    @project2.enable_module! :dmsf #Flag module enabled
    @role_developer.add_permission! :view_dmsf_folders
    @role_developer.add_permission! :file_manipulation

    log_user 'jsmith', 'jsmith' #login as jsmith
    assert !User.current.anonymous?, 'Current user is not anonymous'

    file = DmsfFile.find_file_by_name @project2, nil, 'test.txt'
    assert file.lock!, "File failed to be locked by #{User.current.name}"

    assert_difference('file.revisions.count') do
      put "dmsf/webdav/#{@project2.identifier}/test.txt", '1234', @jsmith.merge!({:content_type => :text})
      assert_response 201 #Created
    end

    file.unlock!

    assert !file.locked?, "File failed to unlock by #{User.current.name}"
  end
  
end