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tests: dump more information when we fail to find something in logs.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Rusty Russell
2017-05-05 16:11:46 +09:30
parent a12a670d85
commit 6dcd7f9d6d
1 changed files with 7 additions and 1 deletions
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8
tests/utils.py
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@@ -108,9 +108,15 @@ class TailableProc(object):
ex = re.compile(regex) ex = re.compile(regex)
start_time = time.time() start_time = time.time()
pos = max(len(self.logs) - offset, 0) pos = max(len(self.logs) - offset, 0)
initial_pos = len(self.logs)
while True: while True:
if time.time() > start_time + timeout: if time.time() > start_time + timeout:
print("Can't find {} in logs".format(regex))
with self.logs_cond:
for i in range(initial_pos, len(self.logs)):
print(" " + self.logs[i])
if self.is_in_log(regex):
print("(Was previously in logs!")
raise TimeoutError('Unable to find "{}" in logs.'.format(regex)) raise TimeoutError('Unable to find "{}" in logs.'.format(regex))
elif not self.running: elif not self.running:
raise ValueError('Process died while waiting for logs') raise ValueError('Process died while waiting for logs')