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How to use test_sleep method in pytest-play

Best Python code snippet using pytest-play_python

01-run.py

Source:01-run.py

...24    child.sendline('import utime')25    child.expect_exact('>>>')26    # testing timing over serial using the REPL is very inaccurate, thus27    # we allow a *large* overshoot (100 by default).28    def test_sleep(t, slack=100):29        before = get_time()30        child.sendline('utime.sleep_ms(%s)' % t)31        child.expect_exact('>>>')32        duration = get_time() - before33        print("test_sleep(%s, %s): slept %sms" % (t, slack, duration))34        assert duration > t and duration < (t + slack)35        return duration36    # get overhead from sleeping 0ms, add 10 percent37    slack = int(test_sleep(0, 1000) * 1.1)38    test_sleep(50, slack)39    test_sleep(250, slack)40    test_sleep(500, slack)41    # test setting timers42    child.sendline('import xtimer')43    child.expect_exact('>>>')44    child.sendline('a = 0')45    child.expect_exact('>>>')46    child.sendline('def inc_a(): global a; a+=1')47    child.expect_exact('...')48    child.sendline('')49    child.expect_exact('>>>')50    child.sendline('t = xtimer.xtimer(inc_a)')51    child.expect_exact('>>>')52    before = get_time()53    child.sendline('t.set(500000)')54    child.expect_exact('>>>')...

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