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require File.dirname(__FILE__) + '/../abstract_unit'

class ExceptionExtTests < Test::Unit::TestCase

  def get_exception(cls = RuntimeError, msg = nil, trace = nil)
    begin raise cls, msg, (trace || caller)
    rescue Exception => e  # passed Exception
      return e
    end
  end

  def setup
    Exception::TraceSubstitutions.clear
  end

  def test_clean_backtrace
    Exception::TraceSubstitutions << [/\s*hidden.*/, '']
    e = get_exception RuntimeError, 'RAWR', ['bhal.rb', 'rawh hid den stuff is not here', 'almost all']
    assert_kind_of Exception, e
    assert_equal ['bhal.rb', 'rawh hid den stuff is not here', 'almost all'], e.clean_backtrace
  end

  def test_app_backtrace
    Exception::TraceSubstitutions << [/\s*hidden.*/, '']
    e = get_exception RuntimeError, 'RAWR', ['bhal.rb', ' vendor/file.rb some stuff', 'almost all']
    assert_kind_of Exception, e
    assert_equal ['bhal.rb', 'almost all'], e.application_backtrace
  end

  def test_app_backtrace_with_before
    Exception::TraceSubstitutions << [/\s*hidden.*/, '']
    e = get_exception RuntimeError, 'RAWR', ['vendor/file.rb some stuff', 'bhal.rb', ' vendor/file.rb some stuff', 'almost all']
    assert_kind_of Exception, e
    assert_equal ['vendor/file.rb some stuff', 'bhal.rb', 'almost all'], e.application_backtrace
  end

  def test_framework_backtrace_with_before
    Exception::TraceSubstitutions << [/\s*hidden.*/, '']
    e = get_exception RuntimeError, 'RAWR', ['vendor/file.rb some stuff', 'bhal.rb', ' vendor/file.rb some stuff', 'almost all']
    assert_kind_of Exception, e
    assert_equal ['vendor/file.rb some stuff', ' vendor/file.rb some stuff'], e.framework_backtrace
  end

  def test_backtrace_should_clean_paths
    Exception::TraceSubstitutions << [/\s*hidden.*/, '']
    e = get_exception RuntimeError, 'RAWR', ['a/b/c/../d/../../../bhal.rb', 'rawh hid den stuff is not here', 'almost all']
    assert_kind_of Exception, e
    assert_equal ['bhal.rb', 'rawh hid den stuff is not here', 'almost all'], e.clean_backtrace
  end

  def test_clean_message_should_clean_paths
    Exception::TraceSubstitutions << [/\s*hidden.*/, '']
    e = get_exception RuntimeError, "I dislike a/z/x/../../b/y/../c", ['a/b/c/../d/../../../bhal.rb', 'rawh hid den stuff is not here', 'almost all']
    assert_kind_of Exception, e
    assert_equal "I dislike a/b/c", e.clean_message
  end

  def test_app_trace_should_be_empty_when_no_app_frames
    Exception::TraceSubstitutions << [/\s*hidden.*/, '']
    e = get_exception RuntimeError, 'RAWR', ['vendor/file.rb some stuff', 'generated/bhal.rb', ' vendor/file.rb some stuff', 'generated/almost all']
    assert_kind_of Exception, e
    assert_equal [], e.application_backtrace
  end
end