77 lines
3.1 KiB
Python
77 lines
3.1 KiB
Python
#Need Python 3 string formatting functions
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from __future__ import print_function
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import re
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import os
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import sys
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import time
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from threading import Thread
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# The test cause is dependent on the Tiny Test Framework. Ensure the
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# `TEST_FW_PATH` environment variable is set to `$IDF_PATH/tools/tiny-test-fw`
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test_fw_path = os.getenv("TEST_FW_PATH")
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if test_fw_path and test_fw_path not in sys.path:
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sys.path.insert(0, test_fw_path)
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import TinyFW
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import IDF
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#Define tuple of strings to expect for each DUT.
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master_expect = ("CAN Master: Driver installed", "CAN Master: Driver uninstalled")
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slave_expect = ("CAN Slave: Driver installed", "CAN Slave: Driver uninstalled")
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listen_only_expect = ("CAN Listen Only: Driver installed", "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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@IDF.idf_example_test(env_tag='Example_CAN')
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def test_can_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/can/can_network/can_network_master")
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dut_slave = env.get_dut("dut2", "examples/peripherals/can/can_network/can_network_slave")
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dut_listen_only = env.get_dut("dut3", "examples/peripherals/can/can_network/can_network_listen_only")
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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] != 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_can_network_example()
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