#
# Copyright Michael Orlitzky
#
# http://michael.orlitzky.com/
#
# 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 3 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.
#
# http://www.fsf.org/licensing/licenses/gpl.html
#

require 'test/unit'
require 'whatever-dl/uri_utilities.rb'

class UriUtilitiesTest < Test::Unit::TestCase

  def test_system_call_exception_on_connection_refused
    uu = UriUtilities.new()

    # *Hopefully* this connection is refused.
    example_uri = 'http://localhost:1/'
    uri = URI.parse(example_uri)
    
    assert_raise Errno::ECONNREFUSED do
      uu.download_with_progress_bar(uri, 'dummy.tmp')
    end

    # This should be gone since there was an error.
    assert(!File.exists?('dummy.tmp'))
  end

  
  def test_access_denied_on_unwritable_outfile
    # Get rid of the dummy file if it already exists.
    File.delete('dummy.tmp') if File.exists?('dummy.tmp')
    
    File.new('dummy.tmp', 'w')
    
    # Make the new file unwritable
    File.chmod(0400, 'dummy.tmp')
    
    uu = UriUtilities.new()

    # *Hopefully* this connection is refused.
    example_uri = 'http://localhost:1/'
    uri = URI.parse(example_uri)
    
    assert_raise Errno::EACCES do
      uu.download_with_progress_bar(uri, 'dummy.tmp')
    end

    # This should *not* be deleted, since it was unwritable,
    # and we got an IO error instead of an HTTP or connection
    # error.
    assert(File.exists?('dummy.tmp'))

    # Ok, now we delete it anyway since it will mess up the other tests.
    File.delete('dummy.tmp')
  end
end