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frankhillard/test_pytezos_exception.py Secret

Created November 25, 2019 12:48
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example of catching exception with pytzeos
Raw
test_pytezos_exception.py
def test_increaseCounterBy_negative_value_should_throw_exception(self):
try:
# Given
    increase_value = -1
# When
    self.contract.increaseCounterBy(increase_value).result(storage=0)
except MichelsonRuntimeError as e:
# Then
    return self.assertTrue("value should be > 0" in str(e))
self.fail("This fail should not happen.")
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