47da4e2e76
The Console Harness is able to parse its log with patterns to compose extracted fields into records in 'recording.csv' file in the test's build directory. This feature allows to extract custom test results like performance counters. With this change the extracted records are also written into 'twister.json' as a part of each test suite object. This makes easier to store all the data collected by the test for its further processing. Other improvements: - compile parsing pattern only once instead of at each input line; - quote fields in '.csv' to avoid unexpected field separators; - make 'regex' a required schema field of 'harness_config'; - Twister documentation update. Signed-off-by: Dmitrii Golovanov <dmitrii.golovanov@intel.com>
663 lines
25 KiB
Python
663 lines
25 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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from __future__ import annotations
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from asyncio.log import logger
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import platform
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import re
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import os
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import sys
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import subprocess
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import shlex
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from collections import OrderedDict
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import xml.etree.ElementTree as ET
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import logging
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import threading
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import time
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from twisterlib.error import ConfigurationError
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from twisterlib.environment import ZEPHYR_BASE, PYTEST_PLUGIN_INSTALLED
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from twisterlib.handlers import Handler, terminate_process, SUPPORTED_SIMS_IN_PYTEST
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from twisterlib.testinstance import TestInstance
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logger = logging.getLogger('twister')
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logger.setLevel(logging.DEBUG)
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_WINDOWS = platform.system() == 'Windows'
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result_re = re.compile(r".*(PASS|FAIL|SKIP) - (test_)?(\S*) in (\d*[.,]?\d*) seconds")
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class Harness:
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GCOV_START = "GCOV_COVERAGE_DUMP_START"
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GCOV_END = "GCOV_COVERAGE_DUMP_END"
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FAULT = "ZEPHYR FATAL ERROR"
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RUN_PASSED = "PROJECT EXECUTION SUCCESSFUL"
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RUN_FAILED = "PROJECT EXECUTION FAILED"
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run_id_pattern = r"RunID: (?P<run_id>.*)"
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ztest_to_status = {
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'PASS': 'passed',
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'SKIP': 'skipped',
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'BLOCK': 'blocked',
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'FAIL': 'failed'
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}
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def __init__(self):
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self.state = None
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self.type = None
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self.regex = []
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self.matches = OrderedDict()
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self.ordered = True
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self.repeat = 1
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self.id = None
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self.fail_on_fault = True
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self.fault = False
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self.capture_coverage = False
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self.next_pattern = 0
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self.record = None
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self.record_pattern = None
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self.recording = []
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self.ztest = False
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self.detected_suite_names = []
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self.run_id = None
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self.matched_run_id = False
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self.run_id_exists = False
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self.instance: TestInstance | None = None
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self.testcase_output = ""
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self._match = False
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def configure(self, instance):
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self.instance = instance
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config = instance.testsuite.harness_config
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self.id = instance.testsuite.id
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self.run_id = instance.run_id
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if instance.testsuite.ignore_faults:
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self.fail_on_fault = False
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if config:
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self.type = config.get('type', None)
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self.regex = config.get('regex', [])
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self.repeat = config.get('repeat', 1)
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self.ordered = config.get('ordered', True)
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self.record = config.get('record', {})
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if self.record:
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self.record_pattern = re.compile(self.record.get("regex", ""))
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def get_testcase_name(self):
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"""
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Get current TestCase name.
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"""
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return self.id
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def process_test(self, line):
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runid_match = re.search(self.run_id_pattern, line)
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if runid_match:
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run_id = runid_match.group("run_id")
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self.run_id_exists = True
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if run_id == str(self.run_id):
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self.matched_run_id = True
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if self.RUN_PASSED in line:
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if self.fault:
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self.state = "failed"
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else:
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self.state = "passed"
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if self.RUN_FAILED in line:
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self.state = "failed"
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if self.fail_on_fault:
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if self.FAULT == line:
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self.fault = True
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if self.GCOV_START in line:
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self.capture_coverage = True
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elif self.GCOV_END in line:
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self.capture_coverage = False
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class Robot(Harness):
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is_robot_test = True
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def configure(self, instance):
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super(Robot, self).configure(instance)
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self.instance = instance
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config = instance.testsuite.harness_config
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if config:
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self.path = config.get('robot_test_path', None)
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def handle(self, line):
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''' Test cases that make use of this harness care about results given
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by Robot Framework which is called in run_robot_test(), so works of this
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handle is trying to give a PASS or FAIL to avoid timeout, nothing
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is writen into handler.log
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'''
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self.instance.state = "passed"
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tc = self.instance.get_case_or_create(self.id)
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tc.status = "passed"
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def run_robot_test(self, command, handler):
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start_time = time.time()
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env = os.environ.copy()
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env["ROBOT_FILES"] = self.path
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with subprocess.Popen(command, stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT, cwd=self.instance.build_dir, env=env) as cmake_proc:
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out, _ = cmake_proc.communicate()
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self.instance.execution_time = time.time() - start_time
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if cmake_proc.returncode == 0:
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self.instance.status = "passed"
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# all tests in one Robot file are treated as a single test case,
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# so its status should be set accordingly to the instance status
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# please note that there should be only one testcase in testcases list
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self.instance.testcases[0].status = "passed"
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else:
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logger.error("Robot test failure: %s for %s" %
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(handler.sourcedir, self.instance.platform.name))
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self.instance.status = "failed"
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self.instance.testcases[0].status = "failed"
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if out:
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with open(os.path.join(self.instance.build_dir, handler.log), "wt") as log:
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log_msg = out.decode(sys.getdefaultencoding())
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log.write(log_msg)
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class Console(Harness):
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def get_testcase_name(self):
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'''
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Get current TestCase name.
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Console Harness id has only TestSuite id without TestCase name suffix.
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Only the first TestCase name might be taken if available when a Ztest with
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a single test case is configured to use this harness type for simplified
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output parsing instead of the Ztest harness as Ztest suite should do.
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'''
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if self.instance and len(self.instance.testcases) == 1:
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return self.instance.testcases[0].name
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return super(Console, self).get_testcase_name()
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def configure(self, instance):
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super(Console, self).configure(instance)
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if self.regex is None or len(self.regex) == 0:
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self.state = "failed"
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tc = self.instance.set_case_status_by_name(
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self.get_testcase_name(),
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"failed",
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f"HARNESS:{self.__class__.__name__}:no regex patterns configured."
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)
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raise ConfigurationError(self.instance.name, tc.reason)
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if self.type == "one_line":
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self.pattern = re.compile(self.regex[0])
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self.patterns_expected = 1
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elif self.type == "multi_line":
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self.patterns = []
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for r in self.regex:
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self.patterns.append(re.compile(r))
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self.patterns_expected = len(self.patterns)
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else:
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self.state = "failed"
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tc = self.instance.set_case_status_by_name(
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self.get_testcase_name(),
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"failed",
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f"HARNESS:{self.__class__.__name__}:incorrect type={self.type}"
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)
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raise ConfigurationError(self.instance.name, tc.reason)
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#
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def handle(self, line):
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if self.type == "one_line":
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if self.pattern.search(line):
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logger.debug(f"HARNESS:{self.__class__.__name__}:EXPECTED:"
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f"'{self.pattern.pattern}'")
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self.next_pattern += 1
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self.state = "passed"
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elif self.type == "multi_line" and self.ordered:
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if (self.next_pattern < len(self.patterns) and
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self.patterns[self.next_pattern].search(line)):
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logger.debug(f"HARNESS:{self.__class__.__name__}:EXPECTED("
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f"{self.next_pattern + 1}/{self.patterns_expected}):"
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f"'{self.patterns[self.next_pattern].pattern}'")
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self.next_pattern += 1
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if self.next_pattern >= len(self.patterns):
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self.state = "passed"
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elif self.type == "multi_line" and not self.ordered:
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for i, pattern in enumerate(self.patterns):
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r = self.regex[i]
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if pattern.search(line) and not r in self.matches:
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self.matches[r] = line
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logger.debug(f"HARNESS:{self.__class__.__name__}:EXPECTED("
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f"{len(self.matches)}/{self.patterns_expected}):"
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f"'{pattern.pattern}'")
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if len(self.matches) == len(self.regex):
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self.state = "passed"
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else:
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logger.error("Unknown harness_config type")
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if self.fail_on_fault:
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if self.FAULT in line:
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self.fault = True
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if self.GCOV_START in line:
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self.capture_coverage = True
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elif self.GCOV_END in line:
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self.capture_coverage = False
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if self.record_pattern:
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match = self.record_pattern.search(line)
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if match:
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self.recording.append({ k:v.strip() for k,v in match.groupdict(default="").items() })
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self.process_test(line)
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# Reset the resulting test state to 'failed' when not all of the patterns were
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# found in the output, but just ztest's 'PROJECT EXECUTION SUCCESSFUL'.
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# It might happen because of the pattern sequence diverged from the
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# test code, the test platform has console issues, or even some other
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# test image was executed.
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# TODO: Introduce explicit match policy type to reject
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# unexpected console output, allow missing patterns, deny duplicates.
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if self.state == "passed" and self.ordered and self.next_pattern < self.patterns_expected:
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logger.error(f"HARNESS:{self.__class__.__name__}: failed with"
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f" {self.next_pattern} of {self.patterns_expected}"
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f" expected ordered patterns.")
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self.state = "failed"
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if self.state == "passed" and not self.ordered and len(self.matches) < self.patterns_expected:
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logger.error(f"HARNESS:{self.__class__.__name__}: failed with"
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f" {len(self.matches)} of {self.patterns_expected}"
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f" expected unordered patterns.")
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self.state = "failed"
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tc = self.instance.get_case_or_create(self.get_testcase_name())
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if self.state == "passed":
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tc.status = "passed"
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else:
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tc.status = "failed"
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class PytestHarnessException(Exception):
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"""General exception for pytest."""
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class Pytest(Harness):
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def configure(self, instance: TestInstance):
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super(Pytest, self).configure(instance)
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self.running_dir = instance.build_dir
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self.source_dir = instance.testsuite.source_dir
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self.report_file = os.path.join(self.running_dir, 'report.xml')
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self.pytest_log_file_path = os.path.join(self.running_dir, 'twister_harness.log')
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self.reserved_serial = None
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def pytest_run(self, timeout):
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try:
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cmd = self.generate_command()
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self.run_command(cmd, timeout)
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except PytestHarnessException as pytest_exception:
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logger.error(str(pytest_exception))
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self.state = 'failed'
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self.instance.reason = str(pytest_exception)
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finally:
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if self.reserved_serial:
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self.instance.handler.make_device_available(self.reserved_serial)
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self._update_test_status()
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def generate_command(self):
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config = self.instance.testsuite.harness_config
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handler: Handler = self.instance.handler
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pytest_root = config.get('pytest_root', ['pytest']) if config else ['pytest']
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pytest_args_yaml = config.get('pytest_args', []) if config else []
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pytest_dut_scope = config.get('pytest_dut_scope', None) if config else None
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command = [
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'pytest',
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'--twister-harness',
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'-s', '-v',
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f'--build-dir={self.running_dir}',
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f'--junit-xml={self.report_file}',
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'--log-file-level=DEBUG',
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'--log-file-format=%(asctime)s.%(msecs)d:%(levelname)s:%(name)s: %(message)s',
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f'--log-file={self.pytest_log_file_path}'
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]
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command.extend([os.path.normpath(os.path.join(
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self.source_dir, os.path.expanduser(os.path.expandvars(src)))) for src in pytest_root])
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if pytest_dut_scope:
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command.append(f'--dut-scope={pytest_dut_scope}')
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if handler.options.verbose > 1:
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command.extend([
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'--log-cli-level=DEBUG',
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'--log-cli-format=%(levelname)s: %(message)s'
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])
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if handler.type_str == 'device':
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command.extend(
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self._generate_parameters_for_hardware(handler)
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)
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elif handler.type_str in SUPPORTED_SIMS_IN_PYTEST:
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command.append(f'--device-type={handler.type_str}')
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elif handler.type_str == 'build':
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command.append('--device-type=custom')
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else:
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raise PytestHarnessException(f'Handling of handler {handler.type_str} not implemented yet')
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if handler.options.pytest_args:
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command.extend(handler.options.pytest_args)
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if pytest_args_yaml:
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logger.warning(f'The pytest_args ({handler.options.pytest_args}) specified '
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'in the command line will override the pytest_args defined '
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f'in the YAML file {pytest_args_yaml}')
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else:
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command.extend(pytest_args_yaml)
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return command
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def _generate_parameters_for_hardware(self, handler: Handler):
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command = ['--device-type=hardware']
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hardware = handler.get_hardware()
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if not hardware:
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raise PytestHarnessException('Hardware is not available')
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self.reserved_serial = hardware.serial_pty or hardware.serial
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if hardware.serial_pty:
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command.append(f'--device-serial-pty={hardware.serial_pty}')
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else:
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command.extend([
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f'--device-serial={hardware.serial}',
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f'--device-serial-baud={hardware.baud}'
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])
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options = handler.options
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if runner := hardware.runner or options.west_runner:
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command.append(f'--runner={runner}')
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if options.west_flash and options.west_flash != []:
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command.append(f'--west-flash-extra-args={options.west_flash}')
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if board_id := hardware.probe_id or hardware.id:
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command.append(f'--device-id={board_id}')
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if hardware.product:
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command.append(f'--device-product={hardware.product}')
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if hardware.pre_script:
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command.append(f'--pre-script={hardware.pre_script}')
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if hardware.post_flash_script:
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command.append(f'--post-flash-script={hardware.post_flash_script}')
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if hardware.post_script:
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command.append(f'--post-script={hardware.post_script}')
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return command
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def run_command(self, cmd, timeout):
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cmd, env = self._update_command_with_env_dependencies(cmd)
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with subprocess.Popen(
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cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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env=env
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) as proc:
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try:
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reader_t = threading.Thread(target=self._output_reader, args=(proc,), daemon=True)
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reader_t.start()
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reader_t.join(timeout)
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if reader_t.is_alive():
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terminate_process(proc)
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logger.warning('Timeout has occurred. Can be extended in testspec file. '
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f'Currently set to {timeout} seconds.')
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self.instance.reason = 'Pytest timeout'
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self.state = 'failed'
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proc.wait(timeout)
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except subprocess.TimeoutExpired:
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self.state = 'failed'
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proc.kill()
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@staticmethod
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def _update_command_with_env_dependencies(cmd):
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'''
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If python plugin wasn't installed by pip, then try to indicate it to
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pytest by update PYTHONPATH and append -p argument to pytest command.
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'''
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env = os.environ.copy()
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if not PYTEST_PLUGIN_INSTALLED:
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cmd.extend(['-p', 'twister_harness.plugin'])
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pytest_plugin_path = os.path.join(ZEPHYR_BASE, 'scripts', 'pylib', 'pytest-twister-harness', 'src')
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env['PYTHONPATH'] = pytest_plugin_path + os.pathsep + env.get('PYTHONPATH', '')
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if _WINDOWS:
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cmd_append_python_path = f'set PYTHONPATH={pytest_plugin_path};%PYTHONPATH% && '
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else:
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cmd_append_python_path = f'export PYTHONPATH={pytest_plugin_path}:${{PYTHONPATH}} && '
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else:
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cmd_append_python_path = ''
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cmd_to_print = cmd_append_python_path + shlex.join(cmd)
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logger.debug('Running pytest command: %s', cmd_to_print)
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return cmd, env
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@staticmethod
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def _output_reader(proc):
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while proc.stdout.readable() and proc.poll() is None:
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line = proc.stdout.readline().decode().strip()
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if not line:
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continue
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logger.debug('PYTEST: %s', line)
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proc.communicate()
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def _update_test_status(self):
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if not self.state:
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self.instance.testcases = []
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try:
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self._parse_report_file(self.report_file)
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except Exception as e:
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logger.error(f'Error when parsing file {self.report_file}: {e}')
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self.state = 'failed'
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finally:
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if not self.instance.testcases:
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self.instance.init_cases()
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self.instance.status = self.state or 'failed'
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if self.instance.status in ['error', 'failed']:
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self.instance.reason = self.instance.reason or 'Pytest failed'
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self.instance.add_missing_case_status('blocked', self.instance.reason)
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def _parse_report_file(self, report):
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tree = ET.parse(report)
|
|
root = tree.getroot()
|
|
if elem_ts := root.find('testsuite'):
|
|
if elem_ts.get('failures') != '0':
|
|
self.state = 'failed'
|
|
self.instance.reason = f"{elem_ts.get('failures')}/{elem_ts.get('tests')} pytest scenario(s) failed"
|
|
elif elem_ts.get('errors') != '0':
|
|
self.state = 'error'
|
|
self.instance.reason = 'Error during pytest execution'
|
|
elif elem_ts.get('skipped') == elem_ts.get('tests'):
|
|
self.state = 'skipped'
|
|
else:
|
|
self.state = 'passed'
|
|
self.instance.execution_time = float(elem_ts.get('time'))
|
|
|
|
for elem_tc in elem_ts.findall('testcase'):
|
|
tc = self.instance.add_testcase(f"{self.id}.{elem_tc.get('name')}")
|
|
tc.duration = float(elem_tc.get('time'))
|
|
elem = elem_tc.find('*')
|
|
if elem is None:
|
|
tc.status = 'passed'
|
|
else:
|
|
if elem.tag == 'skipped':
|
|
tc.status = 'skipped'
|
|
elif elem.tag == 'failure':
|
|
tc.status = 'failed'
|
|
else:
|
|
tc.status = 'error'
|
|
tc.reason = elem.get('message')
|
|
tc.output = elem.text
|
|
else:
|
|
self.state = 'skipped'
|
|
self.instance.reason = 'No tests collected'
|
|
|
|
|
|
class Gtest(Harness):
|
|
ANSI_ESCAPE = re.compile(r'\x1B(?:[@-Z\\-_]|\[[0-?]*[ -/]*[@-~])')
|
|
TEST_START_PATTERN = r".*\[ RUN \] (?P<suite_name>.*)\.(?P<test_name>.*)$"
|
|
TEST_PASS_PATTERN = r".*\[ OK \] (?P<suite_name>.*)\.(?P<test_name>.*)$"
|
|
TEST_FAIL_PATTERN = r".*\[ FAILED \] (?P<suite_name>.*)\.(?P<test_name>.*)$"
|
|
FINISHED_PATTERN = r".*\[==========\] Done running all tests\.$"
|
|
|
|
def __init__(self):
|
|
super().__init__()
|
|
self.tc = None
|
|
self.has_failures = False
|
|
|
|
def handle(self, line):
|
|
# Strip the ANSI characters, they mess up the patterns
|
|
non_ansi_line = self.ANSI_ESCAPE.sub('', line)
|
|
|
|
if self.state:
|
|
return
|
|
|
|
# Check if we started running a new test
|
|
test_start_match = re.search(self.TEST_START_PATTERN, non_ansi_line)
|
|
if test_start_match:
|
|
# Add the suite name
|
|
suite_name = test_start_match.group("suite_name")
|
|
if suite_name not in self.detected_suite_names:
|
|
self.detected_suite_names.append(suite_name)
|
|
|
|
# Generate the internal name of the test
|
|
name = "{}.{}.{}".format(self.id, suite_name, test_start_match.group("test_name"))
|
|
|
|
# Assert that we don't already have a running test
|
|
assert (
|
|
self.tc is None
|
|
), "gTest error, {} didn't finish".format(self.tc)
|
|
|
|
# Check that the instance doesn't exist yet (prevents re-running)
|
|
tc = self.instance.get_case_by_name(name)
|
|
assert tc is None, "gTest error, {} running twice".format(tc)
|
|
|
|
# Create the test instance and set the context
|
|
tc = self.instance.get_case_or_create(name)
|
|
self.tc = tc
|
|
self.tc.status = "started"
|
|
self.testcase_output += line + "\n"
|
|
self._match = True
|
|
|
|
# Check if the test run finished
|
|
finished_match = re.search(self.FINISHED_PATTERN, non_ansi_line)
|
|
if finished_match:
|
|
tc = self.instance.get_case_or_create(self.id)
|
|
if self.has_failures or self.tc is not None:
|
|
self.state = "failed"
|
|
tc.status = "failed"
|
|
else:
|
|
self.state = "passed"
|
|
tc.status = "passed"
|
|
return
|
|
|
|
# Check if the individual test finished
|
|
state, name = self._check_result(non_ansi_line)
|
|
if state is None or name is None:
|
|
# Nothing finished, keep processing lines
|
|
return
|
|
|
|
# Get the matching test and make sure it's the same as the current context
|
|
tc = self.instance.get_case_by_name(name)
|
|
assert (
|
|
tc is not None and tc == self.tc
|
|
), "gTest error, mismatched tests. Expected {} but got {}".format(self.tc, tc)
|
|
|
|
# Test finished, clear the context
|
|
self.tc = None
|
|
|
|
# Update the status of the test
|
|
tc.status = state
|
|
if tc.status == "failed":
|
|
self.has_failures = True
|
|
tc.output = self.testcase_output
|
|
self.testcase_output = ""
|
|
self._match = False
|
|
|
|
def _check_result(self, line):
|
|
test_pass_match = re.search(self.TEST_PASS_PATTERN, line)
|
|
if test_pass_match:
|
|
return "passed", "{}.{}.{}".format(self.id, test_pass_match.group("suite_name"), test_pass_match.group("test_name"))
|
|
test_fail_match = re.search(self.TEST_FAIL_PATTERN, line)
|
|
if test_fail_match:
|
|
return "failed", "{}.{}.{}".format(self.id, test_fail_match.group("suite_name"), test_fail_match.group("test_name"))
|
|
return None, None
|
|
|
|
|
|
class Test(Harness):
|
|
RUN_PASSED = "PROJECT EXECUTION SUCCESSFUL"
|
|
RUN_FAILED = "PROJECT EXECUTION FAILED"
|
|
test_suite_start_pattern = r"Running TESTSUITE (?P<suite_name>.*)"
|
|
ZTEST_START_PATTERN = r"START - (test_)?(.*)"
|
|
|
|
def handle(self, line):
|
|
test_suite_match = re.search(self.test_suite_start_pattern, line)
|
|
if test_suite_match:
|
|
suite_name = test_suite_match.group("suite_name")
|
|
self.detected_suite_names.append(suite_name)
|
|
|
|
testcase_match = re.search(self.ZTEST_START_PATTERN, line)
|
|
if testcase_match:
|
|
name = "{}.{}".format(self.id, testcase_match.group(2))
|
|
tc = self.instance.get_case_or_create(name)
|
|
# Mark the test as started, if something happens here, it is mostly
|
|
# due to this tests, for example timeout. This should in this case
|
|
# be marked as failed and not blocked (not run).
|
|
tc.status = "started"
|
|
|
|
if testcase_match or self._match:
|
|
self.testcase_output += line + "\n"
|
|
self._match = True
|
|
|
|
result_match = result_re.match(line)
|
|
|
|
if result_match:
|
|
matched_status = result_match.group(1)
|
|
name = "{}.{}".format(self.id, result_match.group(3))
|
|
tc = self.instance.get_case_or_create(name)
|
|
tc.status = self.ztest_to_status[matched_status]
|
|
if tc.status == "skipped":
|
|
tc.reason = "ztest skip"
|
|
tc.duration = float(result_match.group(4))
|
|
if tc.status == "failed":
|
|
tc.output = self.testcase_output
|
|
self.testcase_output = ""
|
|
self._match = False
|
|
self.ztest = True
|
|
|
|
self.process_test(line)
|
|
|
|
if not self.ztest and self.state:
|
|
logger.debug(f"not a ztest and no state for {self.id}")
|
|
tc = self.instance.get_case_or_create(self.id)
|
|
if self.state == "passed":
|
|
tc.status = "passed"
|
|
else:
|
|
tc.status = "failed"
|
|
|
|
|
|
class Ztest(Test):
|
|
pass
|
|
|
|
|
|
class HarnessImporter:
|
|
|
|
@staticmethod
|
|
def get_harness(harness_name):
|
|
thismodule = sys.modules[__name__]
|
|
if harness_name:
|
|
harness_class = getattr(thismodule, harness_name)
|
|
else:
|
|
harness_class = getattr(thismodule, 'Test')
|
|
return harness_class()
|