72 lines
1.9 KiB
Python
72 lines
1.9 KiB
Python
import unittest
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from migen.fhdl.std import *
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from migen.flow.actor import *
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from migen.flow.transactions import *
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from migen.flow.network import *
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from migen.actorlib.sim import *
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from migen.test.support import SimCase, SimBench
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def source_gen(sent):
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for i in range(10):
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yield Token("source", {"value": i})
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sent.append(i)
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class SimSource(SimActor):
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def __init__(self):
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self.source = Source([("value", 32)])
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self.sent = []
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SimActor.__init__(self, source_gen(self.sent))
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def sink_gen(received):
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while True:
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t = Token("sink")
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yield t
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received.append(t.value["value"])
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class SimSink(SimActor):
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def __init__(self):
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self.sink = Sink([("value", 32)])
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self.received = []
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SimActor.__init__(self, sink_gen(self.received))
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class SourceSinkCase(SimCase, unittest.TestCase):
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class TestBench(SimBench):
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def __init__(self):
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self.source = SimSource()
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self.sink = SimSink()
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g = DataFlowGraph()
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g.add_connection(self.source, self.sink)
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self.submodules.comp = CompositeActor(g)
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def do_simulation(self, selfp):
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if self.source.token_exchanger.done:
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raise StopSimulation
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def test_equal(self):
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self.run_with(lambda tb, tbp: None)
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self.assertEqual(self.tb.source.sent, self.tb.sink.received)
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class SourceSinkDirectCase(SimCase, unittest.TestCase):
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class TestBench(SimBench):
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def __init__(self):
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self.source = SimSource()
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self.sink = SimSink()
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self.submodules += self.source, self.sink
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self.comb += self.sink.sink.connect(self.source.source)
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def do_simulation(self, selfp):
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if self.source.token_exchanger.done:
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raise StopSimulation
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def test_equal(self):
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self.run_with(lambda tb, tbp: None)
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self.assertEqual(self.tb.source.sent, self.tb.sink.received)
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