persistent_vars.py

# This script is licensed under BSD License, see file LICENSE.txt, or search for `License` in the SDK online help.
#
# (c) TASKING Germany GmbH, 2023
 
import isystem.connect as ic
import isystem.itest as it
 
 
winidea_id = ''
 
 
def verifyResult(results):
    while results.hasNextTestResult():
        result = results.nextTestResult()
        if result.isError():
            out = ic.CStringStream()
            emitter = ic.EmitterFactory.createYamlEmitter(out)
            emitter.startStream()
            emitter.startDocument(False)
            result.serializeErrorsOnly(emitter, None)
            emitter.endDocument(False)
            emitter.endStream()
            print(out.getString())
        else:
            print("OK")
 
 
def init_target() -> ic.ConnectionMgr:
    cmgr = ic.ConnectionMgr()
    cmgr.connect(ic.CConnectionConfig().instanceId(winidea_id))
 
    debug_ctrl = ic.CDebugFacade(cmgr)
 
    # initialize the target - this may differ in your environment
    debug_ctrl.download()
    debug_ctrl.runUntilFunction("main")
    debug_ctrl.waitUntilStopped()
    return cmgr
 
 
def run_tests(cmgr: ic.ConnectionMgr):
    test_case = it.PTestCase(cmgr)
 
    itest_ctrl = ic.CSystemTestController(cmgr)
 
    itest_ctrl.createPersistentVariable('myvar1', 'int')
    itest_ctrl.createPersistentVariable('myvar2', 'int')
    itest_ctrl.createPersistentVariable('myvar3', 'int')
    itest_ctrl.initPersistentVars()
 
    itest_ctrl.modify('myvar1', '123')
    itest_ctrl.modify('myvar2', '456')
    itest_ctrl.modify('myvar3', '789')
 
    print('Variable exists before the test: ', itest_ctrl.evaluate('myvar1,d'))
    print('Variable exists before the test: ', itest_ctrl.evaluate('myvar2,d'))
    print('Variable exists before the test: ', itest_ctrl.evaluate('myvar3,d'))
 
    test_case.itest(
        """
        func: [sum, [myvar1, myvar2, myvar3], retVal]
        expect:
        - myvar1 == 123
        - myvar2 == 456
        - myvar3 == 789
        - retVal == 1368
        """,
        None, False)
 
    verifyResult(test_case.getTestResultsContainer())
 
    print('Variable exists between tests: ', itest_ctrl.evaluate('myvar1,d'))
    print('Variable exists between tests: ', itest_ctrl.evaluate('myvar2,d'))
    print('Variable exists between tests: ', itest_ctrl.evaluate('myvar3,d'))
 
    test_case.itest(
        """
        func: [sum, [123, 456, 789], retVal]
        expect:
        - myvar1 == 123
        - myvar2 == 456
        - myvar3 == 789
        - retVal == (myvar1 + myvar2 + myvar3)
        """,
        None, False)
 
    verifyResult(test_case.getTestResultsContainer())
 
    print('Variable exists after tests: ', itest_ctrl.evaluate('myvar1,d'))
    print('Variable exists after tests: ', itest_ctrl.evaluate('myvar2,d'))
    print('Variable exists after tests: ', itest_ctrl.evaluate('myvar3,d'))
 
    itest_ctrl.cleanPersistentVars()
 
    try:
        print('Variable should no longer exist after cleanup: ', itest_ctrl.evaluate('myvar1,d'))
        print('Variable should no longer exist after cleanup: ', itest_ctrl.evaluate('myvar2,d'))
        print('Variable should no longer exist after cleanup: ', itest_ctrl.evaluate('myvar3,d'))
    except OSError:
        print('\nPersistent variables no longer exist.')
    else:
        raise Exception('Variable should no longer exist after cleanup!')
 
 
def main():
    cmgr = init_target()
    run_tests(cmgr)
 
 
if __name__ == '__main__':
    main()