# Redmine - project management software
# Copyright (C) 2006-2014  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 RepositoryBazaarTest < ActiveSupport::TestCase
  fixtures :projects

  include Redmine::I18n

  REPOSITORY_PATH = Rails.root.join('tmp/test/bazaar_repository').to_s
  REPOSITORY_PATH_TRUNK = File.join(REPOSITORY_PATH, "trunk")
  NUM_REV = 4

  REPOSITORY_PATH_NON_ASCII = Rails.root.join(REPOSITORY_PATH + '/' + 'non_ascii').to_s

  # Bazaar core does not support xml output such as Subversion and Mercurial.
  # "bzr" command output and command line parameter depend on locale.
  # So, non ASCII path tests cannot run independent locale.
  #
  # If you want to run Bazaar non ASCII path tests on Linux *Ruby 1.9*,
  # you need to set locale character set "ISO-8859-1".
  # E.g. "LANG=en_US.ISO-8859-1".
  # On Linux other platforms (e.g. Ruby 1.8, JRuby),
  # you need to set "RUN_LATIN1_OUTPUT_TEST = true" manually.
  #
  # On Windows, because it is too hard to change system locale,
  # you cannot run Bazaar non ASCII path tests.
  #
  RUN_LATIN1_OUTPUT_TEST = (RUBY_PLATFORM != 'java' &&
                             REPOSITORY_PATH.respond_to?(:force_encoding) &&
                             Encoding.locale_charmap == "ISO-8859-1")

  CHAR_1_UTF8_HEX   = "\xc3\x9c"
  CHAR_1_LATIN1_HEX = "\xdc"

  def setup
    @project = Project.find(3)
    @repository = Repository::Bazaar.create(
              :project => @project, :url => REPOSITORY_PATH_TRUNK,
              :log_encoding => 'UTF-8')
    assert @repository
    @char_1_utf8      = CHAR_1_UTF8_HEX.dup
    @char_1_ascii8bit = CHAR_1_LATIN1_HEX.dup
    if @char_1_utf8.respond_to?(:force_encoding)
      @char_1_utf8.force_encoding('UTF-8')
      @char_1_ascii8bit.force_encoding('ASCII-8BIT')
    end
  end

  def test_blank_path_to_repository_error_message
    set_language_if_valid 'en'
    repo = Repository::Bazaar.new(
                          :project      => @project,
                          :identifier   => 'test',
                          :log_encoding => 'UTF-8'
                        )
    assert !repo.save
    assert_include "Path to repository can't be blank",
                   repo.errors.full_messages
  end

  def test_blank_path_to_repository_error_message_fr
    set_language_if_valid 'fr'
    str = "Chemin du d\xc3\xa9p\xc3\xb4t doit \xc3\xaatre renseign\xc3\xa9(e)"
    str.force_encoding('UTF-8') if str.respond_to?(:force_encoding)
    repo = Repository::Bazaar.new(
                          :project      => @project,
                          :url          => "",
                          :identifier   => 'test',
                          :log_encoding => 'UTF-8'
                        )
    assert !repo.save
    assert_include str, repo.errors.full_messages
  end

  if File.directory?(REPOSITORY_PATH_TRUNK)
    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 9, @repository.filechanges.count
      assert_equal 'Initial import', @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 > 5
      @repository.changesets.each {|c| c.destroy if c.revision.to_i > 2}
      @project.reload
      @repository.reload
      assert_equal 2, @repository.changesets.count

      @repository.fetch_changesets
      @project.reload
      assert_equal NUM_REV, @repository.changesets.count
    end

    def test_entries
      entries = @repository.entries
      assert_kind_of Redmine::Scm::Adapters::Entries, entries
      assert_equal 2, entries.size

      assert_equal 'dir', entries[0].kind
      assert_equal 'directory', entries[0].name
      assert_equal 'directory', entries[0].path

      assert_equal 'file', entries[1].kind
      assert_equal 'doc-mkdir.txt', entries[1].name
      assert_equal 'doc-mkdir.txt', entries[1].path
    end

    def test_entries_in_subdirectory
      entries = @repository.entries('directory')
      assert_equal 3, entries.size

      assert_equal 'file', entries.last.kind
      assert_equal 'edit.png', entries.last.name
      assert_equal 'directory/edit.png', entries.last.path
    end

    def test_previous
      assert_equal 0, @repository.changesets.count
      @repository.fetch_changesets
      @project.reload
      assert_equal NUM_REV, @repository.changesets.count
      changeset = @repository.find_changeset_by_name('3')
      assert_equal @repository.find_changeset_by_name('2'), changeset.previous
    end

    def test_previous_nil
      assert_equal 0, @repository.changesets.count
      @repository.fetch_changesets
      @project.reload
      assert_equal NUM_REV, @repository.changesets.count
      changeset = @repository.find_changeset_by_name('1')
      assert_nil changeset.previous
    end

    def test_next
      assert_equal 0, @repository.changesets.count
      @repository.fetch_changesets
      @project.reload
      assert_equal NUM_REV, @repository.changesets.count
      changeset = @repository.find_changeset_by_name('2')
      assert_equal @repository.find_changeset_by_name('3'), changeset.next
    end

    def test_next_nil
      assert_equal 0, @repository.changesets.count
      @repository.fetch_changesets
      @project.reload
      assert_equal NUM_REV, @repository.changesets.count
      changeset = @repository.find_changeset_by_name('4')
      assert_nil changeset.next
    end

    if File.directory?(REPOSITORY_PATH_NON_ASCII) && RUN_LATIN1_OUTPUT_TEST
      def test_cat_latin1_path
        latin1_repo = create_latin1_repo
        buf = latin1_repo.cat(
                 "test-#{@char_1_utf8}-dir/test-#{@char_1_utf8}-2.txt", 2)
        assert buf
        lines = buf.split("\n")
        assert_equal 2, lines.length
        assert_equal 'It is written in Python.', lines[1]

        buf = latin1_repo.cat(
                 "test-#{@char_1_utf8}-dir/test-#{@char_1_utf8}-1.txt", 2)
        assert buf
        lines = buf.split("\n")
        assert_equal 1, lines.length
        assert_equal "test-#{@char_1_ascii8bit}.txt", lines[0]
      end

      def test_annotate_latin1_path
        latin1_repo = create_latin1_repo
        ann1 = latin1_repo.annotate(
                   "test-#{@char_1_utf8}-dir/test-#{@char_1_utf8}-2.txt", 2)
        assert_equal 2, ann1.lines.size
        assert_equal '2', ann1.revisions[0].identifier
        assert_equal 'test00@', ann1.revisions[0].author
        assert_equal 'It is written in Python.', ann1.lines[1]
        ann2 = latin1_repo.annotate(
                   "test-#{@char_1_utf8}-dir/test-#{@char_1_utf8}-1.txt", 2)
        assert_equal 1, ann2.lines.size
        assert_equal '2', ann2.revisions[0].identifier
        assert_equal 'test00@', ann2.revisions[0].author
        assert_equal "test-#{@char_1_ascii8bit}.txt", ann2.lines[0]
      end

      def test_diff_latin1_path
        latin1_repo = create_latin1_repo
        diff1 = latin1_repo.diff(
                  "test-#{@char_1_utf8}-dir/test-#{@char_1_utf8}-1.txt", 2, 1)
        assert_equal 7, diff1.size
        buf =  diff1[5].gsub(/\r\n|\r|\n/, "")
        assert_equal "+test-#{@char_1_ascii8bit}.txt", buf
      end

      def test_entries_latin1_path
        latin1_repo = create_latin1_repo
        entries = latin1_repo.entries("test-#{@char_1_utf8}-dir", 2)
        assert_kind_of Redmine::Scm::Adapters::Entries, entries
        assert_equal 3, entries.size
        assert_equal 'file', entries[1].kind
        assert_equal "test-#{@char_1_utf8}-1.txt", entries[0].name
        assert_equal "test-#{@char_1_utf8}-dir/test-#{@char_1_utf8}-1.txt", entries[0].path
      end

      def test_entry_latin1_path
        latin1_repo = create_latin1_repo
        ["test-#{@char_1_utf8}-dir",
          "/test-#{@char_1_utf8}-dir",
          "/test-#{@char_1_utf8}-dir/"
        ].each do |path|
          entry = latin1_repo.entry(path, 2)
          assert_equal "test-#{@char_1_utf8}-dir", entry.path
          assert_equal "dir", entry.kind
        end
        ["test-#{@char_1_utf8}-dir/test-#{@char_1_utf8}-1.txt",
          "/test-#{@char_1_utf8}-dir/test-#{@char_1_utf8}-1.txt"
        ].each do |path|
          entry = latin1_repo.entry(path, 2)
          assert_equal "test-#{@char_1_utf8}-dir/test-#{@char_1_utf8}-1.txt",
                       entry.path
          assert_equal "file", entry.kind
        end
      end

      def test_changeset_latin1_path
        latin1_repo = create_latin1_repo
        assert_equal 0, latin1_repo.changesets.count
        latin1_repo.fetch_changesets
        @project.reload
        assert_equal 3, latin1_repo.changesets.count

        cs2 = latin1_repo.changesets.find_by_revision('2')
        assert_not_nil cs2
        assert_equal "test-#{@char_1_utf8}", cs2.comments
        c2  = cs2.filechanges.sort_by(&:path)
        assert_equal 4, c2.size
        assert_equal 'A', c2[0].action
        assert_equal "/test-#{@char_1_utf8}-dir/", c2[0].path
        assert_equal 'A', c2[1].action
        assert_equal "/test-#{@char_1_utf8}-dir/test-#{@char_1_utf8}-1.txt", c2[1].path
        assert_equal 'A', c2[2].action
        assert_equal "/test-#{@char_1_utf8}-dir/test-#{@char_1_utf8}-2.txt", c2[2].path
        assert_equal 'A', c2[3].action
        assert_equal "/test-#{@char_1_utf8}-dir/test-#{@char_1_utf8}.txt", c2[3].path

        cs3 = latin1_repo.changesets.find_by_revision('3')
        assert_not_nil cs3
        assert_equal "modify, move and delete #{@char_1_utf8} files", cs3.comments
        c3  = cs3.filechanges.sort_by(&:path)
        assert_equal 3, c3.size
        assert_equal 'M', c3[0].action
        assert_equal "/test-#{@char_1_utf8}-1.txt", c3[0].path
        assert_equal 'D', c3[1].action
        assert_equal "/test-#{@char_1_utf8}-dir/test-#{@char_1_utf8}-2.txt", c3[1].path
        assert_equal 'M', c3[2].action
        assert_equal "/test-#{@char_1_utf8}-dir/test-#{@char_1_utf8}.txt", c3[2].path
      end
    else
      msg = "Bazaar non ASCII output test cannot run this environment." + "\n"
      if msg.respond_to?(:force_encoding)
        msg += "Encoding.locale_charmap: " + Encoding.locale_charmap + "\n"
      end
      puts msg
    end

    private

    def create_latin1_repo
      repo = Repository::Bazaar.create(
                            :project      => @project,
                            :identifier   => 'latin1',
                            :url => REPOSITORY_PATH_NON_ASCII,
                            :log_encoding => 'ISO-8859-1'
                        )
      assert repo
      repo
    end
  else
    puts "Bazaar test repository NOT FOUND. Skipping unit tests !!!"
    def test_fake; assert true end
  end
end