class MarkdownExec::TestHashDelegator::TestHashDelegatorHandleStream

def setup
  @hd = HashDelegator.new
  @hd.instance_variable_set(:@run_state,
                            OpenStruct.new(files: { stdout: [] }))
  @hd.instance_variable_set(:@delegate_object,
                            { output_stdout: true })
end

def test_handle_stream
  stream = StringIO.new("line 1\nline 2\n")
  file_type = :stdout
  Thread.new { @hd.handle_stream(stream: stream, file_type: file_type) }
  @hd.wait_for_stream_processing
  assert_equal ['line 1', 'line 2'],
               @hd.instance_variable_get(:@run_state).files[:stdout]
end

def test_handle_stream_with_io_error
  stream = StringIO.new("line 1\nline 2\n")
  file_type = :stdout
  stream.stubs(:each_line).raises(IOError)
  Thread.new { @hd.handle_stream(stream: stream, file_type: file_type) }
  @hd.wait_for_stream_processing
  assert_equal [],
               @hd.instance_variable_get(:@run_state).files[:stdout]
end