def test_exceptions_forked(dut):
""" Test exception propagation via cocotb.fork """
@cocotb.coroutine
def raise_inner():
yield Timer(10)
raise ValueError('It is soon now')
@cocotb.coroutine
def raise_soon():
yield Timer(1)
coro = cocotb.fork(raise_inner())
yield coro.join()
# it's ok to change this value if the traceback changes - just make sure
# that when changed, it doesn't become harder to read.
expected = textwrap.dedent(r"""
Traceback \(most recent call last\):
File ".*common\.py", line \d+, in _check_traceback
yield running_coro
File ".*test_generator_coroutines\.py", line \d+, in raise_soon
yield coro\.join\(\)
File ".*test_generator_coroutines\.py", line \d+, in raise_inner
raise ValueError\('It is soon now'\)
ValueError: It is soon now""").strip()
yield _check_traceback(raise_soon(), ValueError, expected)
def test_exceptions_first(dut):
""" Test exception propagation via cocotb.triggers.First """
@cocotb.coroutine
def raise_inner():
yield Timer(10)
raise ValueError('It is soon now')
@cocotb.coroutine
def raise_soon():
yield Timer(1)
yield cocotb.triggers.First(raise_inner())
# it's ok to change this value if the traceback changes - just make sure
# that when changed, it doesn't become harder to read.
expected = textwrap.dedent(r"""
Traceback \(most recent call last\):
File ".*common\.py", line \d+, in _check_traceback
yield running_coro
File ".*test_concurrency_primitives\.py", line \d+, in raise_soon
yield cocotb\.triggers\.First\(raise_inner\(\)\)
File ".*triggers\.py", line \d+, in _wait
return await first_trigger[^\n]*
File ".*triggers.py", line \d+, in __await__
return \(yield self\)
File ".*triggers.py", line \d+, in __await__
return \(yield self\)
File ".*test_concurrency_primitives\.py", line \d+, in raise_inner
raise ValueError\('It is soon now'\)
ValueError: It is soon now""").strip()
yield _check_traceback(raise_soon(), ValueError, expected)
def test_exceptions_direct(dut):
""" Test exception propagation via a direct yield statement """
@cocotb.coroutine
def raise_inner():
yield Timer(10)
raise ValueError('It is soon now')
@cocotb.coroutine
def raise_soon():
yield Timer(1)
yield raise_inner()
# it's ok to change this value if the traceback changes - just make sure
# that when changed, it doesn't become harder to read.
expected = textwrap.dedent(r"""
Traceback \(most recent call last\):
File ".*common\.py", line \d+, in _check_traceback
await running_coro
File ".*cocotb[\\\/]decorators.py", line \d+, in __await__
return \(yield self\)
File ".*test_generator_coroutines\.py", line \d+, in raise_soon
yield raise_inner\(\)
File ".*test_generator_coroutines\.py", line \d+, in raise_inner
raise ValueError\('It is soon now'\)
ValueError: It is soon now""").strip()
yield _check_traceback(raise_soon(), ValueError, expected)
def test_exceptions_direct(dut):
"""Test exception propagation via a direct yield statement"""
@cocotb.coroutine
def raise_inner():
yield Timer(10)
raise ValueError("It is soon now")
@cocotb.coroutine
def raise_soon():
yield Timer(1)
yield raise_inner()
yield _check_traceback(raise_soon(), ValueError,
r".*in raise_soon.*in raise_inner", re.DOTALL)
def test_exceptions_forked(dut):
"""Test exception propagation via cocotb.fork"""
@cocotb.coroutine
def raise_inner():
yield Timer(10)
raise ValueError("It is soon now")
@cocotb.coroutine
def raise_soon():
yield Timer(1)
coro = cocotb.start_soon(raise_inner())
yield coro.join()
yield _check_traceback(raise_soon(), ValueError,
r".*in raise_soon.*in raise_inner", re.DOTALL)