| """ |
| The LLVM Compiler Infrastructure |
| |
| This file is distributed under the University of Illinois Open Source |
| License. See LICENSE.TXT for details. |
| |
| Provides the LLDBTestResult class, which holds information about progress |
| and results of a single test run. |
| """ |
| |
| from __future__ import absolute_import |
| from __future__ import print_function |
| |
| # System modules |
| import inspect |
| import os |
| |
| # Third-party modules |
| import unittest2 |
| |
| # LLDB Modules |
| from . import configuration |
| from lldbsuite.test_event.event_builder import EventBuilder |
| from lldbsuite.test_event import build_exception |
| |
| |
| class LLDBTestResult(unittest2.TextTestResult): |
| """ |
| Enforce a singleton pattern to allow introspection of test progress. |
| |
| Overwrite addError(), addFailure(), and addExpectedFailure() methods |
| to enable each test instance to track its failure/error status. It |
| is used in the LLDB test framework to emit detailed trace messages |
| to a log file for easier human inspection of test failures/errors. |
| """ |
| __singleton__ = None |
| __ignore_singleton__ = False |
| |
| @staticmethod |
| def getTerminalSize(): |
| import os |
| env = os.environ |
| |
| def ioctl_GWINSZ(fd): |
| try: |
| import fcntl |
| import termios |
| import struct |
| import os |
| cr = struct.unpack('hh', fcntl.ioctl(fd, termios.TIOCGWINSZ, |
| '1234')) |
| except: |
| return |
| return cr |
| cr = ioctl_GWINSZ(0) or ioctl_GWINSZ(1) or ioctl_GWINSZ(2) |
| if not cr: |
| try: |
| fd = os.open(os.ctermid(), os.O_RDONLY) |
| cr = ioctl_GWINSZ(fd) |
| os.close(fd) |
| except: |
| pass |
| if not cr: |
| cr = (env.get('LINES', 25), env.get('COLUMNS', 80)) |
| return int(cr[1]), int(cr[0]) |
| |
| def __init__(self, *args): |
| if not LLDBTestResult.__ignore_singleton__ and LLDBTestResult.__singleton__: |
| raise Exception("LLDBTestResult instantiated more than once") |
| super(LLDBTestResult, self).__init__(*args) |
| LLDBTestResult.__singleton__ = self |
| # Now put this singleton into the lldb module namespace. |
| configuration.test_result = self |
| # Computes the format string for displaying the counter. |
| counterWidth = len(str(configuration.suite.countTestCases())) |
| self.fmt = "%" + str(counterWidth) + "d: " |
| self.indentation = ' ' * (counterWidth + 2) |
| # This counts from 1 .. suite.countTestCases(). |
| self.counter = 0 |
| (width, height) = LLDBTestResult.getTerminalSize() |
| self.results_formatter = configuration.results_formatter_object |
| |
| def _config_string(self, test): |
| compiler = getattr(test, "getCompiler", None) |
| arch = getattr(test, "getArchitecture", None) |
| return "%s-%s" % (compiler() if compiler else "", |
| arch() if arch else "") |
| |
| def _exc_info_to_string(self, err, test): |
| """Overrides superclass TestResult's method in order to append |
| our test config info string to the exception info string.""" |
| if hasattr(test, "getArchitecture") and hasattr(test, "getCompiler"): |
| return '%sConfig=%s-%s' % (super(LLDBTestResult, |
| self)._exc_info_to_string(err, |
| test), |
| test.getArchitecture(), |
| test.getCompiler()) |
| else: |
| return super(LLDBTestResult, self)._exc_info_to_string(err, test) |
| |
| def getDescription(self, test): |
| doc_first_line = test.shortDescription() |
| if self.descriptions and doc_first_line: |
| return '\n'.join((str(test), self.indentation + doc_first_line)) |
| else: |
| return str(test) |
| |
| @staticmethod |
| def _getFileBasedCategories(test): |
| """ |
| Returns the list of categories to which this test case belongs by |
| looking for a ".categories" file. We start at the folder the test is in |
| an traverse the hierarchy upwards - we guarantee a .categories to exist |
| at the top level directory so we do not end up looping endlessly. |
| """ |
| import inspect |
| import os.path |
| folder = inspect.getfile(test.__class__) |
| folder = os.path.dirname(folder) |
| while folder != '/': |
| categories_file_name = os.path.join(folder, ".categories") |
| if os.path.exists(categories_file_name): |
| categories_file = open(categories_file_name, 'r') |
| categories = categories_file.readline() |
| categories_file.close() |
| categories = str.replace(categories, '\n', '') |
| categories = str.replace(categories, '\r', '') |
| return categories.split(',') |
| else: |
| folder = os.path.dirname(folder) |
| continue |
| |
| |
| def getCategoriesForTest(self, test): |
| """ |
| Gets all the categories for the currently running test method in test case |
| """ |
| test_categories = [] |
| test_method = getattr(test, test._testMethodName) |
| if test_method is not None and hasattr(test_method, "categories"): |
| test_categories.extend(test_method.categories) |
| |
| test_categories.extend(self._getFileBasedCategories(test)) |
| |
| return test_categories |
| |
| def hardMarkAsSkipped(self, test): |
| getattr(test, test._testMethodName).__func__.__unittest_skip__ = True |
| getattr( |
| test, |
| test._testMethodName).__func__.__unittest_skip_why__ = "test case does not fall in any category of interest for this run" |
| |
| def checkExclusion(self, exclusion_list, name): |
| if exclusion_list: |
| import re |
| for item in exclusion_list: |
| if re.search(item, name): |
| return True |
| return False |
| |
| def startTest(self, test): |
| if configuration.shouldSkipBecauseOfCategories( |
| self.getCategoriesForTest(test)): |
| self.hardMarkAsSkipped(test) |
| if self.checkExclusion( |
| configuration.skip_tests, test.id()): |
| self.hardMarkAsSkipped(test) |
| |
| self.counter += 1 |
| test.test_number = self.counter |
| if self.showAll: |
| self.stream.write(self.fmt % self.counter) |
| super(LLDBTestResult, self).startTest(test) |
| if self.results_formatter: |
| self.results_formatter.handle_event( |
| EventBuilder.event_for_start(test)) |
| |
| def addSuccess(self, test): |
| if self.checkExclusion( |
| configuration.xfail_tests, test.id()): |
| self.addUnexpectedSuccess(test, None) |
| return |
| |
| super(LLDBTestResult, self).addSuccess(test) |
| if configuration.parsable: |
| self.stream.write( |
| "PASS: LLDB (%s) :: %s\n" % |
| (self._config_string(test), str(test))) |
| if self.results_formatter: |
| self.results_formatter.handle_event( |
| EventBuilder.event_for_success(test)) |
| |
| def _isBuildError(self, err_tuple): |
| exception = err_tuple[1] |
| return isinstance(exception, build_exception.BuildError) |
| |
| def _getTestPath(self, test): |
| if test is None: |
| return "" |
| elif hasattr(test, "test_filename"): |
| return test.test_filename |
| else: |
| return inspect.getsourcefile(test.__class__) |
| |
| def _saveBuildErrorTuple(self, test, err): |
| # Adjust the error description so it prints the build command and build error |
| # rather than an uninformative Python backtrace. |
| build_error = err[1] |
| error_description = "{}\nTest Directory:\n{}".format( |
| str(build_error), |
| os.path.dirname(self._getTestPath(test))) |
| self.errors.append((test, error_description)) |
| self._mirrorOutput = True |
| |
| def addError(self, test, err): |
| configuration.sdir_has_content = True |
| if self._isBuildError(err): |
| self._saveBuildErrorTuple(test, err) |
| else: |
| super(LLDBTestResult, self).addError(test, err) |
| |
| method = getattr(test, "markError", None) |
| if method: |
| method() |
| if configuration.parsable: |
| self.stream.write( |
| "FAIL: LLDB (%s) :: %s\n" % |
| (self._config_string(test), str(test))) |
| if self.results_formatter: |
| # Handle build errors as a separate event type |
| if self._isBuildError(err): |
| error_event = EventBuilder.event_for_build_error(test, err) |
| else: |
| error_event = EventBuilder.event_for_error(test, err) |
| self.results_formatter.handle_event(error_event) |
| |
| def addCleanupError(self, test, err): |
| configuration.sdir_has_content = True |
| super(LLDBTestResult, self).addCleanupError(test, err) |
| method = getattr(test, "markCleanupError", None) |
| if method: |
| method() |
| if configuration.parsable: |
| self.stream.write( |
| "CLEANUP ERROR: LLDB (%s) :: %s\n" % |
| (self._config_string(test), str(test))) |
| if self.results_formatter: |
| self.results_formatter.handle_event( |
| EventBuilder.event_for_cleanup_error( |
| test, err)) |
| |
| def addFailure(self, test, err): |
| if self.checkExclusion( |
| configuration.xfail_tests, test.id()): |
| self.addExpectedFailure(test, err, None) |
| return |
| |
| configuration.sdir_has_content = True |
| super(LLDBTestResult, self).addFailure(test, err) |
| method = getattr(test, "markFailure", None) |
| if method: |
| method() |
| if configuration.parsable: |
| self.stream.write( |
| "FAIL: LLDB (%s) :: %s\n" % |
| (self._config_string(test), str(test))) |
| if configuration.useCategories: |
| test_categories = self.getCategoriesForTest(test) |
| for category in test_categories: |
| if category in configuration.failuresPerCategory: |
| configuration.failuresPerCategory[ |
| category] = configuration.failuresPerCategory[category] + 1 |
| else: |
| configuration.failuresPerCategory[category] = 1 |
| if self.results_formatter: |
| self.results_formatter.handle_event( |
| EventBuilder.event_for_failure(test, err)) |
| |
| def addExpectedFailure(self, test, err, bugnumber): |
| configuration.sdir_has_content = True |
| super(LLDBTestResult, self).addExpectedFailure(test, err, bugnumber) |
| method = getattr(test, "markExpectedFailure", None) |
| if method: |
| method(err, bugnumber) |
| if configuration.parsable: |
| self.stream.write( |
| "XFAIL: LLDB (%s) :: %s\n" % |
| (self._config_string(test), str(test))) |
| if self.results_formatter: |
| self.results_formatter.handle_event( |
| EventBuilder.event_for_expected_failure( |
| test, err, bugnumber)) |
| |
| def addSkip(self, test, reason): |
| configuration.sdir_has_content = True |
| super(LLDBTestResult, self).addSkip(test, reason) |
| method = getattr(test, "markSkippedTest", None) |
| if method: |
| method() |
| if configuration.parsable: |
| self.stream.write( |
| "UNSUPPORTED: LLDB (%s) :: %s (%s) \n" % |
| (self._config_string(test), str(test), reason)) |
| if self.results_formatter: |
| self.results_formatter.handle_event( |
| EventBuilder.event_for_skip(test, reason)) |
| |
| def addUnexpectedSuccess(self, test, bugnumber): |
| configuration.sdir_has_content = True |
| super(LLDBTestResult, self).addUnexpectedSuccess(test, bugnumber) |
| method = getattr(test, "markUnexpectedSuccess", None) |
| if method: |
| method(bugnumber) |
| if configuration.parsable: |
| self.stream.write( |
| "XPASS: LLDB (%s) :: %s\n" % |
| (self._config_string(test), str(test))) |
| if self.results_formatter: |
| self.results_formatter.handle_event( |
| EventBuilder.event_for_unexpected_success( |
| test, bugnumber)) |
