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import unittest
import gras
import numpy
class BlockTest(unittest.TestCase):
def test_make_block(self):
null_src = gras.Block('NullSource')
null_src.set_output_signature([numpy.int32])
null_sink = gras.Block('NullSink')
null_sink.set_input_signature([numpy.int32])
tb = gras.TopBlock()
print 'connect...'
tb.connect(null_src, null_sink)
print 'ok'
tb.disconnect(null_src, null_sink)
print 'done'
if __name__ == '__main__':
unittest.main()
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