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test/py: check for bad patterns everywhere we wait

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Currently, bad patterns are only honored when executing a shell command.
Other cases, such as the initial boot-up of U-Boot or when interacting
with command output rather than gathering all output prior to the shell
prompt, do not currently look for bad patterns in console output. This
patch makes sure that bad patterns are honored everywhere.

One benefit of this change is that if U-Boot sandbox fails to start up,
the error message it emits can be caught immediately, rather than relying
on a (long) timeout when waiting for the expected signon message and/or
command prompt.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Stephen Warren 2016-01-27 23:57:49 -07:00 • committed by Simon Glass
parent e4119ebb6d
commit 0c6189b5d6
1 changed files with 19 additions and 7 deletions
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26
test/py/u_boot_console_base.py
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@ -231,7 +231,10 @@ class ConsoleBase(object):
if type(text) == type(''):
text = re.escape(text)
self.p.expect([text])
m = self.p.expect([text] + self.bad_patterns)
if m != 0:
raise Exception('Bad pattern found on console: ' +
self.bad_pattern_ids[m - 1])
def drain_console(self):
"""Read from and log the U-Boot console for a short time.
@ -298,8 +301,14 @@ class ConsoleBase(object):
self.p.timeout = 30000
self.p.logfile_read = self.logstream
if self.config.buildconfig.get('CONFIG_SPL', False) == 'y':
self.p.expect([pattern_u_boot_spl_signon])
self.p.expect([pattern_u_boot_main_signon])
m = self.p.expect([pattern_u_boot_spl_signon] + self.bad_patterns)
if m != 0:
raise Exception('Bad pattern found on console: ' +
self.bad_pattern_ids[m - 1])
m = self.p.expect([pattern_u_boot_main_signon] + self.bad_patterns)
if m != 0:
raise Exception('Bad pattern found on console: ' +
self.bad_pattern_ids[m - 1])
signon = self.p.after
build_idx = signon.find(', Build:')
if build_idx == -1:
@ -307,12 +316,15 @@ class ConsoleBase(object):
else:
self.u_boot_version_string = signon[:build_idx]
while True:
match = self.p.expect([self.prompt_escaped,
pattern_stop_autoboot_prompt])
if match == 1:
m = self.p.expect([self.prompt_escaped,
pattern_stop_autoboot_prompt] + self.bad_patterns)
if m == 0:
break
if m == 1:
self.p.send(chr(3)) # CTRL-C
continue
break
raise Exception('Bad pattern found on console: ' +
self.bad_pattern_ids[m - 2])
self.at_prompt = True
self.at_prompt_logevt = self.logstream.logfile.cur_evt
except Exception as ex: