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casper tests: Keep var/casper/server.log till it has 100kb.

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Previously, var/casper/server.log was overwritten before every run of
run-casper. This commit implements the simplest form of log rotation,
by overwriting server.log only if it has more than 100kb.
This commit is contained in:
Rishi Gupta
2016-11-01 17:01:21 -07:00
committed by Tim Abbott
parent f9f0f29298
commit a3400a6862
1 changed files with 9 additions and 4 deletions
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13
frontend_tests/run-casper
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@@ -73,13 +73,18 @@ subprocess.check_call(['mkdir', '-p', 'var/casper'])
subprocess.check_call(['rm', '-f'] + glob.glob('var/casper/casper-failure*.png'))
log = open('var/casper/server.log', 'w')
LOG_FILE = 'var/casper/server.log'
if os.path.exists(LOG_FILE) and os.path.getsize(LOG_FILE) < 100000:
log = open(LOG_FILE, 'a')
log.write('\n\n')
else:
log = open(LOG_FILE, 'w')
def assert_server_running(server):
# type: (subprocess.Popen) -> None
"""Get the exit code of the server, or None if it is still running."""
if server.poll() is not None:
raise RuntimeError('Server died unexpectedly! Check var/casper/server.log')
raise RuntimeError('Server died unexpectedly! Check %s' % (LOG_FILE,))
def server_is_up(server):
# type: (subprocess.Popen) -> bool
@@ -145,10 +150,10 @@ def run_tests(realms_have_subdomains, files):
if ret != 0:
print("""
Oops, the frontend tests failed. Tips for debugging:
* Check the frontend test server logs at var/casper/server.log
* Check the frontend test server logs at %s
* Check the screenshots of failed tests at var/casper/casper-failure*.png
* Try remote debugging the test web browser as described in docs/testing.rst
""", file=sys.stderr)
""" % (LOG_FILE,), file=sys.stderr)
sys.exit(ret)