File: helper.rb

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# Copyright (C) 2012-2020  Sutou Kouhei <kou@clear-code.com>
#
# License: Ruby's or LGPL
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This library 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

require "fileutils"
require "tmpdir"
require "tempfile"
require "time"

require "gettext"

module Helper
  module Path
    module_function
    def fixture_path(*components)
      File.join(File.dirname(__FILE__), "fixtures", *components)
    end

    def locale_path
      File.join(File.dirname(__FILE__), "locale")
    end
  end

  module Tmpdir
    def setup_tmpdir
      @tmpdir = Dir.mktmpdir
    end

    def teardown_tmpdir
      FileUtils.rm_rf(@tmpdir, :secure => true) if @tmpdir
    end
  end

  module Warning
    def suppress_warning
      stderr, $stderr = $stderr, StringIO.new
      begin
        yield
      ensure
        $stderr = stderr
      end
    end
  end

  module Parser
    include Helper::Path

    def assert_parse(expected, file)
      assert_equal(normalize_expected(expected),
                   normalize_actual(parse(file)))
    end

    def normalize_expected(messages)
      messages.collect do |message|
        default = {
          :msgid        => nil,
          :msgid_plural => nil,
          :msgctxt      => nil,
          :msgstr       => nil,
          :separator    => nil,
          :references   => nil,
        }
        default.merge(message)
      end
    end

    def normalize_actual(po)
      po.collect do |po_entry|
        {
          :msgid        => po_entry.msgid,
          :msgid_plural => po_entry.msgid_plural,
          :msgctxt      => po_entry.msgctxt,
          :msgstr       => po_entry.msgstr,
          :separator    => po_entry.separator,
          :references   => normalize_references(po_entry.references),
        }
      end
    end

    def normalize_references(references)
      references.collect do |reference|
        reference.sub(/\A#{Regexp.escape(fixture_path)}\//, "")
      end
    end
  end
end