# 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__)

class RepositoryGitTest < ActiveSupport::TestCase
  fixtures :projects, :repositories, :enabled_modules, :users, :roles

  # No '..' in the repository path
  REPOSITORY_PATH = RAILS_ROOT.gsub(%r{config\/\.\.}, '') + '/tmp/test/git_repository'
  REPOSITORY_PATH.gsub!(/\//, "\\") if Redmine::Platform.mswin?

  FELIX_HEX  = "Felix Sch\xC3\xA4fer"

  def setup
    Setting.commit_logs_encoding = 'UTF-8'
    @project = Project.find(3)
    @repository = Repository::Git.create(:project => @project, :url => REPOSITORY_PATH)
    assert @repository
  end

  if File.directory?(REPOSITORY_PATH)  
    def test_fetch_changesets_from_scratch
      @repository.fetch_changesets
      @repository.reload

      assert_equal 16, @repository.changesets.count
      assert_equal 25, @repository.changes.count

      commit = @repository.changesets.find(:first, :order => 'committed_on ASC')
      assert_equal "Initial import.\nThe repository contains 3 files.", commit.comments
      assert_equal "jsmith <jsmith@foo.bar>", commit.committer
      assert_equal User.find_by_login('jsmith'), commit.user
      # TODO: add a commit with commit time <> author time to the test repository
      assert_equal "2007-12-14 09:22:52".to_time, commit.committed_on
      assert_equal "2007-12-14".to_date, commit.commit_date
      assert_equal "7234cb2750b63f47bff735edc50a1c0a433c2518", commit.revision
      assert_equal "7234cb2750b63f47bff735edc50a1c0a433c2518", commit.scmid
      assert_equal 3, commit.changes.count
      change = commit.changes.sort_by(&:path).first
      assert_equal "README", change.path
      assert_equal "A", change.action
    end
    
    def test_fetch_changesets_incremental
      @repository.fetch_changesets
      # Remove the 3 latest changesets
      @repository.changesets.find(:all, :order => 'committed_on DESC', :limit => 3).each(&:destroy)
      @repository.reload
      cs1 = @repository.changesets
      assert_equal 13, cs1.count

      rev_a_commit = @repository.changesets.find(:first, :order => 'committed_on DESC')
      assert_equal '4f26664364207fa8b1af9f8722647ab2d4ac5d43', rev_a_commit.revision
      # Mon Jul 5 22:34:26 2010 +0200
      rev_a_committed_on = Time.gm(2010, 7, 5, 20, 34, 26)
      assert_equal '4f26664364207fa8b1af9f8722647ab2d4ac5d43', rev_a_commit.scmid
      assert_equal rev_a_committed_on, rev_a_commit.committed_on
      latest_rev = @repository.latest_changeset
      assert_equal rev_a_committed_on, latest_rev.committed_on

      @repository.fetch_changesets
      assert_equal 16, @repository.changesets.count
    end

    def test_find_changeset_by_name
      @repository.fetch_changesets
      @repository.reload
      ['7234cb2750b63f47bff735edc50a1c0a433c2518', '7234cb2750b'].each do |r|
        assert_equal '7234cb2750b63f47bff735edc50a1c0a433c2518',
                     @repository.find_changeset_by_name(r).revision
      end
    end

    def test_find_changeset_by_empty_name
      @repository.fetch_changesets
      @repository.reload
      ['', ' ', nil].each do |r|
        assert_nil @repository.find_changeset_by_name(r)
      end
    end

    def test_identifier
      @repository.fetch_changesets
      @repository.reload
      c = @repository.changesets.find_by_revision('7234cb2750b63f47bff735edc50a1c0a433c2518')
      assert_equal c.scmid, c.identifier
    end

    def test_format_identifier
      @repository.fetch_changesets
      @repository.reload
      c = @repository.changesets.find_by_revision('7234cb2750b63f47bff735edc50a1c0a433c2518')
      assert_equal '7234cb27', c.format_identifier
    end

    def test_activities
      c = Changeset.new(:repository => @repository,
                        :committed_on => Time.now,
                        :revision => 'abc7234cb2750b63f47bff735edc50a1c0a433c2',
                        :scmid    => 'abc7234cb2750b63f47bff735edc50a1c0a433c2',
                        :comments => 'test')
      assert c.event_title.include?('abc7234c:')
      assert_equal 'abc7234cb2750b63f47bff735edc50a1c0a433c2', c.event_url[:rev]
    end

    def test_log_utf8
      @repository.fetch_changesets
      @repository.reload
      str_felix_hex  = FELIX_HEX
      if str_felix_hex.respond_to?(:force_encoding)
          str_felix_hex.force_encoding('UTF-8')
      end
      c = @repository.changesets.find_by_revision('ed5bb786bbda2dee66a2d50faf51429dbc043a7b')
      assert_equal "#{str_felix_hex} <felix@fachschaften.org>", c.committer
    end
  else
    puts "Git test repository NOT FOUND. Skipping unit tests !!!"
    def test_fake; assert true end
  end
end
