test: Format predicate source as multiline on error

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MarcoFalke 2019-05-09 10:36:53 -04:00
parent fa1dce7329
commit fa3872e7b4
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@ -216,7 +216,7 @@ def wait_until(predicate, *, attempts=float('inf'), timeout=float('inf'), lock=N
time.sleep(0.05)
# Print the cause of the timeout
predicate_source = inspect.getsourcelines(predicate)
predicate_source = "''''\n" + inspect.getsource(predicate) + "'''"
logger.error("wait_until() failed. Predicate: {}".format(predicate_source))
if attempt >= attempts:
raise AssertionError("Predicate {} not true after {} attempts".format(predicate_source, attempts))