railties/test/backtrace_cleaner_test.rb


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require 'abstract_unit'
require 'rails/backtrace_cleaner'

if defined? Gem
  class BacktraceCleanerVendorGemTest < ActiveSupport::TestCase
    def setup
      @cleaner = Rails::BacktraceCleaner.new
    end

    test "should format installed gems correctly" do
      @backtrace = [ "#{Gem.path[0]}/gems/nosuchgem-1.2.3/lib/foo.rb" ]
      @result = @cleaner.clean(@backtrace, :all)
      assert_equal "nosuchgem (1.2.3) lib/foo.rb", @result[0]
    end

    test "should format installed gems not in Gem.default_dir correctly" do
      @target_dir = Gem.path.detect { |p| p != Gem.default_dir }
      # skip this test if default_dir is the only directory on Gem.path
      if @target_dir
        @backtrace = [ "#{@target_dir}/gems/nosuchgem-1.2.3/lib/foo.rb" ]
        @result = @cleaner.clean(@backtrace, :all)
        assert_equal "nosuchgem (1.2.3) lib/foo.rb", @result[0]
      end
    end
  end
end