# Redmine - project management software
# Copyright (C) 2006-2012  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_case', __FILE__)
require 'tmpdir'

class RedminePmTest::RepositoryGitTest < RedminePmTest::TestCase
  fixtures :projects, :users, :members, :roles, :member_roles

  GIT_BIN = Redmine::Configuration['scm_git_command'] || "git"

  # TODO: On a successful "clone", the resulting directory should be removed
  # TODO: Calls to "clone" could use a last argument to set the destination directory
  # TODO: Calls to "push" need something to push ("git init <dir>" + "git commit <something>" before pushing?)
  # All these TODOs should already be handled by 'test_write_commands'

  def test_anonymous_read_on_public_repo_with_permission_should_succeed
    assert_success "clone", git_url
  end

  def test_anonymous_read_on_public_repo_without_permission_should_fail
    Role.anonymous.remove_permission! :browse_repository
    assert_failure "clone", git_url
  end

  def test_anonymous_read_on_private_repo_should_fail
    Project.find(1).update_attribute :is_public, false
    assert_failure "clone", git_url
  end

  def test_anonymous_commit_on_public_repo_should_fail
    Role.anonymous.add_permission! :commit_access
    assert_failure "push", "--force", git_url
  end

  def test_anonymous_commit_on_private_repo_should_fail
    Role.anonymous.add_permission! :commit_access
    Project.find(1).update_attribute :is_public, false
    assert_failure "push", "--force", git_url
  end

  def test_non_member_read_on_public_repo_with_permission_should_succeed
    Role.anonymous.remove_permission! :browse_repository
    with_credentials "miscuser8", "foo" do
      assert_success "clone", git_url
    end
  end

  def test_non_member_read_on_public_repo_without_permission_should_fail
    Role.anonymous.remove_permission! :browse_repository
    Role.non_member.remove_permission! :browse_repository
    with_credentials "miscuser8", "foo" do
      assert_failure "clone", git_url
    end
  end

  def test_non_member_read_on_private_repo_should_fail
    Project.find(1).update_attribute :is_public, false
    with_credentials "miscuser8", "foo" do
      assert_failure "clone", git_url
    end
  end

  def test_non_member_commit_on_public_repo_should_fail
    Role.non_member.add_permission! :commit_access
    assert_failure "push", "--force", git_url(random_filename)
  end

  def test_non_member_commit_on_private_repo_should_fail
    Role.non_member.add_permission! :commit_access
    Project.find(1).update_attribute :is_public, false
    assert_failure "push", "--force", git_url
  end

  def test_member_read_on_public_repo_with_permission_should_succeed
    Role.anonymous.remove_permission! :browse_repository
    Role.non_member.remove_permission! :browse_repository
    with_credentials "dlopper", "foo" do
      assert_success "clone", git_url
    end
  end

  def test_member_read_on_public_repo_without_permission_should_fail
    Role.anonymous.remove_permission! :browse_repository
    Role.non_member.remove_permission! :browse_repository
    Role.find(2).remove_permission! :browse_repository
    with_credentials "dlopper", "foo" do
      assert_failure "clone", git_url
    end
  end

  def test_member_read_on_private_repo_with_permission_should_succeed
    Project.find(1).update_attribute :is_public, false
    with_credentials "dlopper", "foo" do
      assert_success "clone", git_url
    end
  end

  def test_member_read_on_private_repo_without_permission_should_fail
    Role.find(2).remove_permission! :browse_repository
    Project.find(1).update_attribute :is_public, false
    with_credentials "dlopper", "foo" do
      assert_failure "clone", git_url
    end
  end

  def test_member_commit_on_public_repo_with_permission_should_succeed
    Role.find(2).add_permission! :commit_access
    with_credentials "dlopper", "foo" do
      assert_success "push", "--force", git_url
    end
  end

  def test_member_commit_on_public_repo_without_permission_should_fail
    Role.find(2).remove_permission! :commit_access
    with_credentials "dlopper", "foo" do
      assert_failure "push", "--force", git_url
    end
  end

  def test_member_commit_on_private_repo_with_permission_should_succeed
    Role.find(2).add_permission! :commit_access
    Project.find(1).update_attribute :is_public, false
    with_credentials "dlopper", "foo" do
      assert_success "push", "--force", git_url
    end
  end

  def test_member_commit_on_private_repo_without_permission_should_fail
    Role.find(2).remove_permission! :commit_access
    Project.find(1).update_attribute :is_public, false
    with_credentials "dlopper", "foo" do
      assert_failure "push", "--force", git_url
    end
  end

  def test_invalid_credentials_should_fail
    Project.find(1).update_attribute :is_public, false
    with_credentials "dlopper", "foo" do
      assert_success "clone", git_url
    end
    with_credentials "dlopper", "wrong" do
      assert_failure "clone", git_url
    end
  end

  def test_checkout
    Dir.mktmpdir do |dir|
      assert_success "clone", git_url, dir
    end
  end

  def test_read_commands
    # TODO: other tests already handled this
    assert_success "clone", git_url
  end

  def test_write_commands
    Role.find(2).add_permission! :commit_access
    filename = DateTime.now.strftime("%y%m%d%H%M%S")

    Dir.mktmpdir do |dir|
      assert_success "clone", git_url, dir
      Dir.chdir(dir) do
        # creates a file in the working copy
        f = File.new(File.join(dir, filename), "w")
        f.write "test file content"
        f.close

        assert_success "add", filename
        with_credentials "dlopper", "foo" do
          assert_success "commit --message Committing_a_file"
          assert_success "mv   --message Moving_a_file", git_url(filename), git_url("#{filename}_moved")
          assert_success "rm --message Deleting_a_file", git_url(filename)
        end
        assert_success "push", "--force", git_url

        # checks that the working copy was updated
        assert !File.exists?(File.join(dir, "#{filename}"))
        assert File.exists?(File.join(dir, "#{filename}_moved"))
      end
    end
  end

  def test_read_invalid_repo_should_fail
    assert_failure "clone", git_url("invalid")
  end

  protected

  def execute(*args)
    a = [GIT_BIN]
    super a, *args
  end

  def git_url(path=nil)
    host = ENV['REDMINE_TEST_DAV_SERVER'] || '127.0.0.1'
    username = "#{username}" if username
    # TODO: not sure if the password bit will work
    password = "#{password}" if password
    url = "http://#{username}:#{password}@#{host}/git/ecookbook"
    url << "/#{path}" if path
    url
  end
end