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# Copyright 2011 Google Inc. All Rights Reserved.
# Author: kbaclawski@google.com (Krystian Baclawski)
#
__author__ = 'kbaclawski@google.com (Krystian Baclawski)'
from collections import namedtuple
from cStringIO import StringIO
import logging
from summary import DejaGnuTestResult
class Manifest(namedtuple('Manifest', 'tool board results')):
"""Stores a list of unsuccessful tests.
Any line that starts with '#@' marker carries auxiliary data in form of a
key-value pair, for example:
#@ tool: *
#@ board: unix
So far tool and board parameters are recognized. Their value can contain
arbitrary glob expression. Based on aforementioned parameters given manifest
will be applied for all test results, but only in selected test runs. Note
that all parameters are optional. Their default value is '*' (i.e. for all
tools/boards).
The meaning of lines above is as follows: corresponding test results to follow
should only be suppressed if test run was performed on "unix" board.
The summary line used to build the test result should have this format:
attrlist | UNRESOLVED: gcc.dg/unroll_1.c (test for excess errors)
^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^
optional result name variant
attributes
"""
SUPPRESSIBLE_RESULTS = ['FAIL', 'UNRESOLVED', 'XPASS', 'ERROR']
@classmethod
def FromDejaGnuTestRun(cls, test_run):
results = [result
for result in test_run.results
if result.result in cls.SUPPRESSIBLE_RESULTS]
return cls(test_run.tool, test_run.board, results)
@classmethod
def FromFile(cls, filename):
"""Creates manifest instance from a file in format described above."""
params = {}
results = []
with open(filename, 'r') as manifest_file:
for line in manifest_file:
if line.startswith('#@'):
# parse a line with a parameter
try:
key, value = line[2:].split(':', 1)
except ValueError:
logging.warning('Malformed parameter line: "%s".', line)
else:
params[key.strip()] = value.strip()
else:
# remove comment
try:
line, _ = line.split('#', 1)
except ValueError:
pass
line = line.strip()
if line:
# parse a line with a test result
result = DejaGnuTestResult.FromLine(line)
if result:
results.append(result)
else:
logging.warning('Malformed test result line: "%s".', line)
tool = params.get('tool', '*')
board = params.get('board', '*')
return cls(tool, board, results)
def Generate(self):
"""Dumps manifest to string."""
text = StringIO()
for name in ['tool', 'board']:
text.write('#@ {0}: {1}\n'.format(name, getattr(self, name)))
text.write('\n')
for result in sorted(self.results, key=lambda r: r.result):
text.write('{0}\n'.format(result))
return text.getvalue()
def __iter__(self):
return iter(self.results)
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