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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 RepositoryHelperTest < HelperTestCase

  include RepositoriesHelper

  def test_from_latin1_to_utf8

    with_settings :repositories_encodings => 'UTF-8,ISO-8859-1' do

      s1 = "Texte encod\xc3\xa9"

      s2 = "Texte encod\xe9"

      s3 = s2.dup

      if s1.respond_to?(:force_encoding)

        s1.force_encoding("UTF-8")

        s2.force_encoding("ASCII-8BIT")

        s3.force_encoding("UTF-8")

      end

      assert_equal s1, to_utf8(s2)

      assert_equal s1, to_utf8(s3)

    end

  end

  def test_from_euc_jp_to_utf8

    with_settings :repositories_encodings => 'UTF-8,EUC-JP' do

      s1 = "\xe3\x83\xac\xe3\x83\x83\xe3\x83\x89\xe3\x83\x9e\xe3\x82\xa4\xe3\x83\xb3"

      s2 = "\xa5\xec\xa5\xc3\xa5\xc9\xa5\xde\xa5\xa4\xa5\xf3"

      s3 = s2.dup

      if s1.respond_to?(:force_encoding)

        s1.force_encoding("UTF-8")

        s2.force_encoding("ASCII-8BIT")

        s3.force_encoding("UTF-8")

      end

      assert_equal s1, to_utf8(s2)

      assert_equal s1, to_utf8(s3)

    end

  end

  def test_to_utf8_should_be_converted_all_latin1_to_utf8

    with_settings :repositories_encodings => 'ISO-8859-1' do

      s1 = "\xc3\x82\xc2\x80"

      s2 = "\xC2\x80"

      s3 = s2.dup

      if s1.respond_to?(:force_encoding)

        s1.force_encoding("UTF-8")

        s2.force_encoding("ASCII-8BIT")

        s3.force_encoding("UTF-8")

      end

      assert_equal s1, to_utf8(s2)

      assert_equal s1, to_utf8(s3)

    end

  end

  def test_to_utf8_blank_string

    assert_equal "",  to_utf8("")

    assert_equal nil, to_utf8(nil)

  end

  def test_to_utf8_returns_ascii_as_utf8

    s1 = "ASCII"

    s2 = s1.dup

    if s1.respond_to?(:force_encoding)

      s1.force_encoding("UTF-8")

      s2.force_encoding("ISO-8859-1")

    end

    str1 = to_utf8(s1)

    str2 = to_utf8(s2)

    assert_equal s1, str1

    assert_equal s1, str2

    if s1.respond_to?(:force_encoding)

      assert_equal "UTF-8", str1.encoding.to_s

      assert_equal "UTF-8", str2.encoding.to_s

    end

  end

  def test_to_utf8_invalid_utf8_sequences_should_be_stripped

    with_settings :repositories_encodings => '' do

      # s1 = File.read("#{RAILS_ROOT}/test/fixtures/encoding/iso-8859-1.txt")

      s1 = "Texte encod\xe9 en ISO-8859-1."

      s1.force_encoding("ASCII-8BIT") if s1.respond_to?(:force_encoding)

      str = to_utf8(s1)

      if str.respond_to?(:force_encoding)

        assert str.valid_encoding?

        assert_equal "UTF-8", str.encoding.to_s

      end

      assert_equal "Texte encod? en ISO-8859-1.", str

    end

  end

  def test_to_utf8_invalid_utf8_sequences_should_be_stripped_ja_jis

    with_settings :repositories_encodings => 'ISO-2022-JP' do

      s1 = "test\xb5\xfetest\xb5\xfe"

      s1.force_encoding("ASCII-8BIT") if s1.respond_to?(:force_encoding)

      str = to_utf8(s1)

      if str.respond_to?(:force_encoding)

        assert str.valid_encoding?

        assert_equal "UTF-8", str.encoding.to_s

      end

      assert_equal "test??test??", str

    end

  end

end