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#--
# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
# All rights reserved.
# See LICENSE.txt for permissions.
#++

require 'test/unit'
require File.join(File.expand_path(File.dirname(__FILE__)), 'gemutilities')
require File.join(File.expand_path(File.dirname(__FILE__)), 'simple_gem')
require 'rubygems/format'

class TestGemFormat < RubyGemTestCase

  def setup
    super

    @simple_gem = SIMPLE_GEM
  end

  def test_from_file_by_path_nonexistent
    assert_raise Gem::Exception do
      Gem::Format.from_file_by_path '/nonexistent'
    end
  end

  def test_from_io_garbled
    e = assert_raise Gem::Package::FormatError do
      # subtly bogus input
      Gem::Format.from_io(StringIO.new(@simple_gem.upcase))
    end

    assert_equal 'No metadata found!', e.message

    e = assert_raise Gem::Package::FormatError do
      # Totally bogus input
      Gem::Format.from_io(StringIO.new(@simple_gem.reverse))
    end

    assert_equal 'No metadata found!', e.message

    e = assert_raise Gem::Package::FormatError do
      # This was intentionally screws up YAML parsing.
      Gem::Format.from_io(StringIO.new(@simple_gem.gsub(/:/, "boom")))
    end

    assert_equal 'No metadata found!', e.message
  end

end