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75 lines
3.0 KiB
Python
75 lines
3.0 KiB
Python
# Need Python 3 string formatting functions
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from __future__ import print_function
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from threading import Thread
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import ttfw_idf
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# Define tuple of strings to expect for each DUT.
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master_expect = ("TWAI Master: Driver installed", "TWAI Master: Driver uninstalled")
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slave_expect = ("TWAI Slave: Driver installed", "TWAI Slave: Driver uninstalled")
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listen_only_expect = ("TWAI Listen Only: Driver installed", "TWAI Listen Only: Driver uninstalled")
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def dut_thread_callback(**kwargs):
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# Parse keyword arguments
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dut = kwargs['dut'] # Get DUT from kwargs
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expected = kwargs['expected']
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result = kwargs['result'] # Get result[out] from kwargs. MUST be of mutable type e.g. list
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# Must reset again as flashing during start_app will reset multiple times, causing unexpected results
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dut.reset()
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for string in expected:
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dut.expect(string, 20)
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# Mark thread has run to completion without any exceptions
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result[0] = True
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@ttfw_idf.idf_example_test(env_tag='Example_TWAI2', ignore=True)
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def test_twai_network_example(env, extra_data):
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# Get device under test. "dut1", "dut2", and "dut3" must be properly defined in EnvConfig
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dut_master = env.get_dut("dut1", "examples/peripherals/twai/twai_network/twai_network_master",
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dut_class=ttfw_idf.ESP32DUT)
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dut_slave = env.get_dut("dut2", "examples/peripherals/twai/twai_network/twai_network_slave",
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dut_class=ttfw_idf.ESP32DUT)
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dut_listen_only = env.get_dut("dut3", "examples/peripherals/twai/twai_network/twai_network_listen_only",
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dut_class=ttfw_idf.ESP32DUT)
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# Flash app onto each DUT, each DUT is reset again at the start of each thread
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dut_master.start_app()
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dut_slave.start_app()
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dut_listen_only.start_app()
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# Create dict of keyword arguments for each dut
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results = [[False], [False], [False]]
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master_kwargs = {"dut": dut_master, "result": results[0], "expected": master_expect}
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slave_kwargs = {"dut": dut_slave, "result": results[1], "expected": slave_expect}
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listen_only_kwargs = {"dut": dut_listen_only, "result": results[2], "expected": listen_only_expect}
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# Create thread for each dut
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dut_master_thread = Thread(target=dut_thread_callback, name="Master Thread", kwargs=master_kwargs)
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dut_slave_thread = Thread(target=dut_thread_callback, name="Slave Thread", kwargs=slave_kwargs)
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dut_listen_only_thread = Thread(target=dut_thread_callback, name="Listen Only Thread", kwargs=listen_only_kwargs)
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# Start each thread
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dut_listen_only_thread.start()
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dut_master_thread.start()
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dut_slave_thread.start()
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# Wait for threads to complete
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dut_listen_only_thread.join()
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dut_master_thread.join()
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dut_slave_thread.join()
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# check each thread ran to completion
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for result in results:
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if result[0] is not True:
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raise Exception("One or more threads did not run successfully")
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if __name__ == '__main__':
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test_twai_network_example()
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