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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
from __future__ import annotations
import os
import re
from dataclasses import dataclass
from io import StringIO
"""
testing/parser.py
Parse test output lines from ctest and build TestResult objects.
TestParser.iter_blacklist adds info from the blacklist while iterating
over the test results.
"""
_EXAMPLE = """
Example output:
ip1 n sharp mod_name code tim
-----------------------------------------------------------------------------------------
114/391 Test #114: QtCore_qfileinfo_test-42 ........................ Passed 0.10 sec
Start 115: QtCore_qfile_test
115/391 Test #115: QtCore_qfile_test ...............................***Failed 0.11 sec
Start 116: QtCore_qflags_test
We will only look for the dotted lines and calculate everything from that.
The summary statistics at the end will be ignored. That allows us to test
this functionality with short timeout values.
Note the field "mod_name". I had split this before, but it is necessary
to use the combination as the key, because the test names are not unique.
"""
_TEST_PAT_PRE = r"""
^ # start
\s* # any whitespace ==: WS
([0-9]+)/([0-9]+) # ip1 "/" n
\s+ # some WS
Test # "Test"
\s+ # some WS
\# # sharp symbol "#"
([0-9]+) # sharp
: # colon symbol ':'
"""
_TEST_PAT = (
_TEST_PAT_PRE
+ r"""
\s+ # some WS
([\w-]+) # mod_name
.*? # whatever (non greedy)
( #
(Passed) # either "Passed", None
| #
\*\*\*(\w+.*?) # or None, "Something"
) # code
\s+ # some WS
([0-9]+\.[0-9]+) # tim
\s+ # some WS
sec # "sec"
\s* # any WS
$ # end
"""
)
# validation of our pattern:
assert re.match(_TEST_PAT, _EXAMPLE.splitlines()[5], re.VERBOSE)
assert len(re.match(_TEST_PAT, _EXAMPLE.splitlines()[5], re.VERBOSE).groups()) == 8
assert len(re.match(_TEST_PAT, _EXAMPLE.splitlines()[7], re.VERBOSE).groups()) == 8
@dataclass
class TestResult:
idx: int = 0
n: int = 0
sharp: int = 0
mod_name: str = ""
passed: bool = False
code: str = ""
time: float = 0
fatal: bool = False
rich_result: str = ""
def sort_time_key(item):
return item.time
def _parse_tests(test_log):
"""
Create a TestResult object for every entry.
"""
result = []
if isinstance(test_log, StringIO):
lines = test_log.readlines()
elif test_log is not None and os.path.exists(test_log):
with open(test_log) as f:
lines = f.readlines()
else:
lines = []
# PYSIDE-1229: Fix disrupted lines like "Exit code 0xc0000409\n***Exception:"
pat = _TEST_PAT_PRE
for idx, line in enumerate(lines[:-1]):
match = re.match(pat, line, re.VERBOSE)
if match and line.split()[-1] != "sec":
# don't change the number of lines
lines[idx:idx + 2] = [line.rstrip() + lines[idx + 1], ""]
pat = _TEST_PAT
for line in lines:
match = re.match(pat, line, re.VERBOSE)
if match:
idx, n, sharp, mod_name, much_stuff, code1, code2, tim = match.groups()
# either code1 or code2 is None
code = code1 or code2
idx, n, sharp, code, tim = int(idx), int(n), int(sharp), code.lower(), float(tim)
item = TestResult(idx, n, sharp, mod_name, code == "passed", code, tim, False, None)
result.append(item)
# PYSIDE-1229: Be sure that the numbering of the tests is consecutive
for idx, item in enumerate(result):
# testing fatal error:
# Use "if idx + 1 != item.idx or idx == 42:"
if idx + 1 != item.idx:
# The numbering is disrupted. Provoke an error in this line!
code = f"{code}, but lines are disrupted!"
result[idx].passed = False
result[idx].code = f"{item.code}, but lines are disrupted!"
result[idx].fatal = True
break
return result
class TestParser:
def __init__(self, test_log):
self._results = _parse_tests(test_log)
@property
def results(self):
return self._results
def __len__(self):
return len(self._results)
def iter_blacklist(self, blacklist):
bl = blacklist
for item in self.results:
passed = item.passed
match = bl.find_matching_line(item)
if not passed:
if match:
res = "BFAIL"
else:
res = "FAIL!"
else:
if match:
res = "BPASS"
else:
res = "PASS"
if item.fatal:
# PYSIDE-1229: Stop the testing completely when a fatal error exists
res = "FATAL"
item.rich_result = res
yield item
def get_slowest_tests(self, max_count):
result = self.results.copy()
result.sort(key=sort_time_key, reverse=True)
if len(result) > max_count:
result = result[0:max_count - 1]
return result
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