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# Redmine - project management software

# Copyright (C) 2006-2011  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 RepositoryDarcsTest < ActiveSupport::TestCase

  fixtures :projects

  REPOSITORY_PATH = Rails.root.join('tmp/test/darcs_repository').to_s

  NUM_REV = 6

  def setup

    @project = Project.find(3)

    @repository = Repository::Darcs.create(

                      :project      => @project,

                      :url          => REPOSITORY_PATH,

                      :log_encoding => 'UTF-8'

                      )

    assert @repository

  end

  if File.directory?(REPOSITORY_PATH)

    def test_fetch_changesets_from_scratch

      assert_equal 0, @repository.changesets.count

      @repository.fetch_changesets

      @project.reload

      assert_equal NUM_REV, @repository.changesets.count

      assert_equal 13, @repository.changes.count

      assert_equal "Initial commit.", @repository.changesets.find_by_revision('1').comments

    end

    def test_fetch_changesets_incremental

      assert_equal 0, @repository.changesets.count

      @repository.fetch_changesets

      @project.reload

      assert_equal NUM_REV, @repository.changesets.count

      # Remove changesets with revision > 3

      @repository.changesets.find(:all).each {|c| c.destroy if c.revision.to_i > 3}

      @project.reload

      assert_equal 3, @repository.changesets.count

      @repository.fetch_changesets

      @project.reload

      assert_equal NUM_REV, @repository.changesets.count

    end

    def test_entries_invalid_revision

      assert_equal 0, @repository.changesets.count

      @repository.fetch_changesets

      @project.reload

      assert_equal NUM_REV, @repository.changesets.count

      assert_nil @repository.entries('', '123')

    end

    def test_deleted_files_should_not_be_listed

      assert_equal 0, @repository.changesets.count

      @repository.fetch_changesets

      @project.reload

      assert_equal NUM_REV, @repository.changesets.count

      entries = @repository.entries('sources')

      assert entries.detect {|e| e.name == 'watchers_controller.rb'}

      assert_nil entries.detect {|e| e.name == 'welcome_controller.rb'}

    end

    def test_cat

      if @repository.scm.supports_cat?

        assert_equal 0, @repository.changesets.count

        @repository.fetch_changesets

        @project.reload

        assert_equal NUM_REV, @repository.changesets.count

        cat = @repository.cat("sources/welcome_controller.rb", 2)

        assert_not_nil cat

        assert cat.include?('class WelcomeController < ApplicationController')

      end

    end

  else

    puts "Darcs test repository NOT FOUND. Skipping unit tests !!!"

    def test_fake; assert true end

  end

end