| #!/usr/bin/env python3 |
| # Copyright 2016 The PDFium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| from __future__ import print_function |
| from __future__ import division |
| |
| import argparse |
| from dataclasses import dataclass |
| import multiprocessing |
| import os |
| import re |
| import shutil |
| import subprocess |
| import sys |
| |
| import common |
| import pdfium_root |
| import pngdiffer |
| from skia_gold import skia_gold |
| import suppressor |
| |
| pdfium_root.add_source_directory_to_import_path(os.path.join('build', 'util')) |
| from lib.results import result_sink, result_types |
| |
| |
| # Arbitrary timestamp, expressed in seconds since the epoch, used to make sure |
| # that tests that depend on the current time are stable. Happens to be the |
| # timestamp of the first commit to repo, 2014/5/9 17:48:50. |
| TEST_SEED_TIME = "1399672130" |
| |
| # List of test types that should run text tests instead of pixel tests. |
| TEXT_TESTS = ['javascript'] |
| |
| |
| class KeyboardInterruptError(Exception): |
| """Custom exception used to wrap `KeyboardInterrupt` exceptions.""" |
| |
| |
| def DeleteFiles(files): |
| """Utility function to delete a list of files""" |
| for f in files: |
| if os.path.exists(f): |
| os.remove(f) |
| |
| |
| class TestRunner: |
| |
| def __init__(self, dirname): |
| # Currently the only used directories are corpus, javascript, and pixel, |
| # which all correspond directly to the type for the test being run. In the |
| # future if there are tests that don't have this clean correspondence, then |
| # an argument for the type will need to be added. |
| self.per_process_config = _PerProcessConfig( |
| test_dir=dirname, test_type=dirname) |
| |
| @property |
| def options(self): |
| return self.per_process_config.options |
| |
| def IsSkiaGoldEnabled(self): |
| return (self.options.run_skia_gold and |
| not self.per_process_config.test_type in TEXT_TESTS) |
| |
| def IsExecutionSuppressed(self, input_path): |
| return self.per_process_state.test_suppressor.IsExecutionSuppressed( |
| input_path) |
| |
| def IsResultSuppressed(self, input_filename): |
| return self.per_process_state.test_suppressor.IsResultSuppressed( |
| input_filename) |
| |
| def HandleResult(self, test_case, test_result): |
| input_filename = os.path.basename(test_case.input_path) |
| |
| if self.IsResultSuppressed(input_filename): |
| self.result_suppressed_cases.append(input_filename) |
| if test_result.IsPass(): |
| self.surprises.append(test_case.input_path) |
| |
| # There isn't an actual status for succeeded-but-ignored, so use the |
| # "abort" status to differentiate this from failed-but-ignored. |
| # |
| # Note that this appears as a preliminary failure in Gerrit. |
| result_status = result_types.UNKNOWN |
| else: |
| # There isn't an actual status for failed-but-ignored, so use the |
| # "skip" status to differentiate this from succeeded-but-ignored. |
| result_status = result_types.SKIP |
| else: |
| if test_result.IsPass(): |
| result_status = result_types.PASS |
| else: |
| self.failures.append(test_case.input_path) |
| result_status = result_types.FAIL |
| |
| if self.resultdb: |
| # TODO(crbug.com/pdfium/1916): Populate more ResultDB fields. |
| self.resultdb.Post( |
| test_id=test_result.test_id, |
| status=result_status, |
| duration=None, |
| test_log=None, |
| test_file=None) |
| |
| def Run(self): |
| # Running a test defines a number of attributes on the fly. |
| # pylint: disable=attribute-defined-outside-init |
| |
| relative_test_dir = self.per_process_config.test_dir |
| if relative_test_dir != 'corpus': |
| relative_test_dir = os.path.join('resources', relative_test_dir) |
| |
| parser = argparse.ArgumentParser() |
| |
| parser.add_argument( |
| '--build-dir', |
| default=os.path.join('out', 'Debug'), |
| help='relative path from the base source directory') |
| |
| parser.add_argument( |
| '-j', |
| default=multiprocessing.cpu_count(), |
| dest='num_workers', |
| type=int, |
| help='run NUM_WORKERS jobs in parallel') |
| |
| parser.add_argument( |
| '--disable-javascript', |
| action="store_true", |
| dest="disable_javascript", |
| help='Prevents JavaScript from executing in PDF files.') |
| |
| parser.add_argument( |
| '--disable-xfa', |
| action="store_true", |
| dest="disable_xfa", |
| help='Prevents processing XFA forms.') |
| |
| parser.add_argument( |
| '--render-oneshot', |
| action="store_true", |
| dest="render_oneshot", |
| help='Sets whether to use the oneshot renderer.') |
| |
| parser.add_argument( |
| '--run-skia-gold', |
| action='store_true', |
| default=False, |
| help='When flag is on, skia gold tests will be run.') |
| |
| # TODO: Remove when pdfium recipe stops passing this argument |
| parser.add_argument( |
| '--gold_properties', |
| default='', |
| dest="gold_properties", |
| help='Key value pairs that are written to the top level ' |
| 'of the JSON file that is ingested by Gold.') |
| |
| # TODO: Remove when pdfium recipe stops passing this argument |
| parser.add_argument( |
| '--gold_ignore_hashes', |
| default='', |
| dest="gold_ignore_hashes", |
| help='Path to a file with MD5 hashes we wish to ignore.') |
| |
| parser.add_argument( |
| '--regenerate_expected', |
| default='', |
| dest="regenerate_expected", |
| help='Regenerates expected images. Valid values are ' |
| '"all" to regenerate all expected pngs, and ' |
| '"platform" to regenerate only platform-specific ' |
| 'expected pngs.') |
| |
| parser.add_argument( |
| '--reverse-byte-order', |
| action='store_true', |
| dest="reverse_byte_order", |
| help='Run image-based tests using --reverse-byte-order.') |
| |
| parser.add_argument( |
| '--ignore_errors', |
| action="store_true", |
| dest="ignore_errors", |
| help='Prevents the return value from being non-zero ' |
| 'when image comparison fails.') |
| |
| parser.add_argument( |
| 'inputted_file_paths', |
| nargs='*', |
| help='Path to test files to run, relative to ' |
| f'testing/{relative_test_dir}. If omitted, runs all test files under ' |
| f'testing/{relative_test_dir}.', |
| metavar='relative/test/path') |
| |
| skia_gold.add_skia_gold_args(parser) |
| |
| self.per_process_config.options = parser.parse_args() |
| |
| if (self.options.regenerate_expected and |
| self.options.regenerate_expected not in ['all', 'platform']): |
| print('FAILURE: --regenerate_expected must be "all" or "platform"') |
| return 1 |
| |
| finder = self.per_process_config.NewFinder() |
| pdfium_test_path = self.per_process_config.GetPdfiumTestPath(finder) |
| if not os.path.exists(pdfium_test_path): |
| print(f"FAILURE: Can't find test executable '{pdfium_test_path}'") |
| print('Use --build-dir to specify its location.') |
| return 1 |
| self.per_process_config.InitializeFeatures(pdfium_test_path) |
| |
| self.per_process_state = _PerProcessState(self.per_process_config) |
| shutil.rmtree(self.per_process_state.working_dir, ignore_errors=True) |
| os.makedirs(self.per_process_state.working_dir) |
| |
| error_message = self.per_process_state.image_differ.CheckMissingTools( |
| self.options.regenerate_expected) |
| if error_message: |
| print('FAILURE:', error_message) |
| return 1 |
| |
| self.resultdb = result_sink.TryInitClient() |
| if self.resultdb: |
| print('Detected ResultSink environment') |
| |
| # Collect test cases. |
| walk_from_dir = finder.TestingDir(relative_test_dir) |
| |
| self.test_cases = TestCaseManager() |
| self.execution_suppressed_cases = [] |
| input_file_re = re.compile('^.+[.](in|pdf)$') |
| if self.options.inputted_file_paths: |
| for file_name in self.options.inputted_file_paths: |
| input_path = os.path.join(walk_from_dir, file_name) |
| if not os.path.isfile(input_path): |
| print(f"Can't find test file '{file_name}'") |
| return 1 |
| |
| self.test_cases.NewTestCase(input_path) |
| else: |
| for file_dir, _, filename_list in os.walk(walk_from_dir): |
| for input_filename in filename_list: |
| if input_file_re.match(input_filename): |
| input_path = os.path.join(file_dir, input_filename) |
| if self.IsExecutionSuppressed(input_path): |
| self.execution_suppressed_cases.append(input_path) |
| continue |
| if not os.path.isfile(input_path): |
| continue |
| |
| self.test_cases.NewTestCase(input_path) |
| |
| # Execute test cases. |
| self.failures = [] |
| self.surprises = [] |
| self.skia_gold_successes = [] |
| self.skia_gold_unexpected_successes = [] |
| self.skia_gold_failures = [] |
| self.result_suppressed_cases = [] |
| |
| if self.IsSkiaGoldEnabled(): |
| assert self.options.gold_output_dir |
| # Clear out and create top level gold output directory before starting |
| skia_gold.clear_gold_output_dir(self.options.gold_output_dir) |
| |
| with multiprocessing.Pool( |
| processes=self.options.num_workers, |
| initializer=_InitializePerProcessState, |
| initargs=[self.per_process_config]) as pool: |
| skia_gold_test_cases = TestCaseManager() |
| for result in pool.imap(_RunPdfiumTest, self.test_cases): |
| self.HandleResult(self.test_cases.GetTestCase(result.test_id), result) |
| |
| if self.IsSkiaGoldEnabled(): |
| for artifact in result.image_artifacts: |
| # The output filename without image extension becomes the test ID. |
| # For example, "/path/to/.../testing/corpus/example_005.pdf.0.png" |
| # becomes "example_005.pdf.0". |
| skia_gold_test_cases.NewTestCase(artifact.image_path) |
| |
| for result in pool.imap(_RunSkiaTest, skia_gold_test_cases): |
| if result.IsPass(): |
| test_case = skia_gold_test_cases.GetTestCase(result.test_id) |
| if self.IsResultSuppressed(test_case.input_path): |
| self.skia_gold_unexpected_successes.append(result.test_id) |
| else: |
| self.skia_gold_successes.append(result.test_id) |
| else: |
| self.skia_gold_failures.append(result.test_id) |
| |
| # Report test results. |
| # |
| # For some reason, summary will be cut off from stdout on windows if |
| # _PrintSummary() is called at the end |
| # TODO(crbug.com/pdfium/1657): Once resolved, move _PrintSummary() back |
| # down to the end |
| self._PrintSummary() |
| |
| if self.surprises: |
| self.surprises.sort() |
| print('\nUnexpected Successes:') |
| for surprise in self.surprises: |
| print(surprise) |
| |
| if self.failures: |
| self.failures.sort() |
| print('\nSummary of Failures:') |
| for failure in self.failures: |
| print(failure) |
| |
| if self.skia_gold_unexpected_successes: |
| self.skia_gold_unexpected_successes.sort() |
| print('\nUnexpected Skia Gold Successes:') |
| for surprise in self.skia_gold_unexpected_successes: |
| print(surprise) |
| |
| if self.skia_gold_failures: |
| self.skia_gold_failures.sort() |
| print('\nSummary of Skia Gold Failures:') |
| for failure in self.skia_gold_failures: |
| print(failure) |
| |
| if self.failures: |
| if not self.options.ignore_errors: |
| return 1 |
| |
| return 0 |
| |
| def _PrintSummary(self): |
| number_test_cases = len(self.test_cases) |
| number_failures = len(self.failures) |
| number_suppressed = len(self.result_suppressed_cases) |
| number_successes = number_test_cases - number_failures - number_suppressed |
| number_surprises = len(self.surprises) |
| print('\nTest cases executed:', number_test_cases) |
| print(' Successes:', number_successes) |
| print(' Suppressed:', number_suppressed) |
| print(' Surprises:', number_surprises) |
| print(' Failures:', number_failures) |
| if self.IsSkiaGoldEnabled(): |
| number_gold_failures = len(self.skia_gold_failures) |
| number_gold_successes = len(self.skia_gold_successes) |
| number_gold_surprises = len(self.skia_gold_unexpected_successes) |
| number_total_gold_tests = sum( |
| [number_gold_failures, number_gold_successes, number_gold_surprises]) |
| print('\nSkia Gold Test cases executed:', number_total_gold_tests) |
| print(' Skia Gold Successes:', number_gold_successes) |
| print(' Skia Gold Surprises:', number_gold_surprises) |
| print(' Skia Gold Failures:', number_gold_failures) |
| skia_tester = self.per_process_state.GetSkiaGoldTester() |
| if self.skia_gold_failures and skia_tester.IsTryjobRun(): |
| cl_triage_link = skia_tester.GetCLTriageLink() |
| print(' Triage link for CL:', cl_triage_link) |
| skia_tester.WriteCLTriageLink(cl_triage_link) |
| print() |
| print('Test cases not executed:', len(self.execution_suppressed_cases)) |
| |
| def SetDeleteOutputOnSuccess(self, new_value): |
| """Set whether to delete generated output if the test passes.""" |
| self.per_process_config.delete_output_on_success = new_value |
| |
| def SetEnforceExpectedImages(self, new_value): |
| """Set whether to enforce that each test case provide an expected image.""" |
| self.per_process_config.enforce_expected_images = new_value |
| |
| |
| def _RunPdfiumTest(test_case): |
| """Runs a PDFium test case.""" |
| try: |
| return _per_process_state.GenerateAndTest(test_case) |
| except KeyboardInterrupt as exc: |
| raise KeyboardInterruptError() from exc |
| |
| |
| def _RunSkiaTest(test_case): |
| """Runs a Skia Gold test case.""" |
| try: |
| skia_tester = _per_process_state.GetSkiaGoldTester() |
| skia_success = skia_tester.UploadTestResultToSkiaGold( |
| test_case.test_id, test_case.input_path) |
| sys.stdout.flush() |
| |
| return test_case.NewResult( |
| result_types.PASS if skia_success else result_types.FAIL) |
| except KeyboardInterrupt as exc: |
| raise KeyboardInterruptError() from exc |
| |
| |
| # `_PerProcessState` singleton. This is initialized when creating the |
| # `multiprocessing.Pool()`. `TestRunner.Run()` creates its own separate |
| # instance of `_PerProcessState` as well. |
| _per_process_state = None |
| |
| |
| def _InitializePerProcessState(config): |
| """Initializes the `_per_process_state` singleton.""" |
| global _per_process_state |
| assert not _per_process_state |
| _per_process_state = _PerProcessState(config) |
| |
| |
| @dataclass |
| class _PerProcessConfig: |
| """Configuration for initializing `_PerProcessState`. |
| |
| Attributes: |
| test_dir: The name of the test directory. |
| test_type: The test type. |
| delete_output_on_success: Whether to delete output on success. |
| enforce_expected_images: Whether to enforce expected images. |
| options: The dictionary of command line options. |
| features: The list of features supported by `pdfium_test`. |
| """ |
| test_dir: str |
| test_type: str |
| delete_output_on_success: bool = False |
| enforce_expected_images: bool = False |
| options: dict = None |
| features: list = None |
| |
| def NewFinder(self): |
| return common.DirectoryFinder(self.options.build_dir) |
| |
| def GetPdfiumTestPath(self, finder): |
| return finder.ExecutablePath('pdfium_test') |
| |
| def InitializeFeatures(self, pdfium_test_path): |
| output = subprocess.check_output([pdfium_test_path, '--show-config']) |
| self.features = output.decode('utf-8').strip().split(',') |
| |
| |
| class _PerProcessState: |
| """State defined per process.""" |
| |
| def __init__(self, config): |
| self.test_dir = config.test_dir |
| self.test_type = config.test_type |
| self.delete_output_on_success = config.delete_output_on_success |
| self.enforce_expected_images = config.enforce_expected_images |
| self.options = config.options |
| self.features = config.features |
| |
| finder = config.NewFinder() |
| self.pdfium_test_path = config.GetPdfiumTestPath(finder) |
| self.fixup_path = finder.ScriptPath('fixup_pdf_template.py') |
| self.text_diff_path = finder.ScriptPath('text_diff.py') |
| self.font_dir = os.path.join(finder.TestingDir(), 'resources', 'fonts') |
| self.third_party_font_dir = finder.ThirdPartyFontsDir() |
| |
| self.source_dir = finder.TestingDir() |
| self.working_dir = finder.WorkingDir(os.path.join('testing', self.test_dir)) |
| |
| self.test_suppressor = suppressor.Suppressor( |
| finder, self.features, self.options.disable_javascript, |
| self.options.disable_xfa) |
| self.image_differ = pngdiffer.PNGDiffer(finder, self.features, |
| self.options.reverse_byte_order) |
| |
| self.process_name = multiprocessing.current_process().name |
| self.skia_tester = None |
| |
| def __getstate__(self): |
| raise RuntimeError('Cannot pickle per-process state') |
| |
| def GetSkiaGoldTester(self): |
| """Gets the `SkiaGoldTester` singleton for this worker.""" |
| if not self.skia_tester: |
| self.skia_tester = skia_gold.SkiaGoldTester( |
| source_type=self.test_type, |
| skia_gold_args=self.options, |
| process_name=self.process_name) |
| return self.skia_tester |
| |
| def GenerateAndTest(self, test_case): |
| """Generate test input and run pdfium_test.""" |
| source_dir, input_filename = os.path.split(test_case.input_path) |
| pdf_path = os.path.join(self.working_dir, f'{test_case.test_id}.pdf') |
| |
| # Remove any existing generated images from previous runs. |
| actual_images = self.image_differ.GetActualFiles(input_filename, source_dir, |
| self.working_dir) |
| DeleteFiles(actual_images) |
| |
| sys.stdout.flush() |
| |
| raised_exception = self.Generate(source_dir, input_filename, |
| test_case.test_id, pdf_path) |
| |
| if raised_exception is not None: |
| print('FAILURE: {}; {}'.format(input_filename, raised_exception)) |
| return test_case.NewResult(result_types.FAIL) |
| |
| image_artifacts = None |
| if self.test_type in TEXT_TESTS: |
| expected_txt_path = os.path.join(source_dir, |
| f'{test_case.test_id}_expected.txt') |
| raised_exception = self.TestText(input_filename, test_case.test_id, |
| expected_txt_path, pdf_path) |
| else: |
| raised_exception, image_artifacts = self.TestPixel(pdf_path, source_dir) |
| |
| if raised_exception is not None: |
| print('FAILURE: {}; {}'.format(input_filename, raised_exception)) |
| return test_case.NewResult( |
| result_types.FAIL, image_artifacts=image_artifacts) |
| |
| if actual_images: |
| if self.image_differ.HasDifferences(input_filename, source_dir, |
| self.working_dir): |
| self.RegenerateIfNeeded_(input_filename, source_dir) |
| return test_case.NewResult( |
| result_types.FAIL, image_artifacts=image_artifacts) |
| else: |
| if (self.enforce_expected_images and |
| not self.test_suppressor.IsImageDiffSuppressed(input_filename)): |
| self.RegenerateIfNeeded_(input_filename, source_dir) |
| print('FAILURE: {}; Missing expected images'.format(input_filename)) |
| return test_case.NewResult( |
| result_types.FAIL, image_artifacts=image_artifacts) |
| |
| if self.delete_output_on_success: |
| DeleteFiles(actual_images) |
| return test_case.NewResult( |
| result_types.PASS, image_artifacts=image_artifacts) |
| |
| # TODO(crbug.com/pdfium/1508): Add support for an option to automatically |
| # generate Skia/SkiaPaths specific expected results. |
| def RegenerateIfNeeded_(self, input_filename, source_dir): |
| if (not self.options.regenerate_expected or |
| self.test_suppressor.IsResultSuppressed(input_filename) or |
| self.test_suppressor.IsImageDiffSuppressed(input_filename)): |
| return |
| |
| platform_only = (self.options.regenerate_expected == 'platform') |
| self.image_differ.Regenerate(input_filename, source_dir, self.working_dir, |
| platform_only) |
| |
| def Generate(self, source_dir, input_filename, input_root, pdf_path): |
| original_path = os.path.join(source_dir, input_filename) |
| input_path = os.path.join(source_dir, input_root + '.in') |
| |
| input_event_path = os.path.join(source_dir, input_root + '.evt') |
| if os.path.exists(input_event_path): |
| output_event_path = os.path.splitext(pdf_path)[0] + '.evt' |
| shutil.copyfile(input_event_path, output_event_path) |
| |
| if not os.path.exists(input_path): |
| if os.path.exists(original_path): |
| shutil.copyfile(original_path, pdf_path) |
| return None |
| |
| sys.stdout.flush() |
| |
| return common.RunCommand([ |
| sys.executable, self.fixup_path, '--output-dir=' + self.working_dir, |
| input_path |
| ]) |
| |
| def TestText(self, input_filename, input_root, expected_txt_path, pdf_path): |
| txt_path = os.path.join(self.working_dir, input_root + '.txt') |
| |
| with open(txt_path, 'w') as outfile: |
| cmd_to_run = [ |
| self.pdfium_test_path, '--send-events', '--time=' + TEST_SEED_TIME |
| ] |
| |
| if self.options.disable_javascript: |
| cmd_to_run.append('--disable-javascript') |
| |
| if self.options.disable_xfa: |
| cmd_to_run.append('--disable-xfa') |
| |
| cmd_to_run.append(pdf_path) |
| try: |
| subprocess.check_call(cmd_to_run, stdout=outfile) |
| except subprocess.CalledProcessError as e: |
| return e |
| |
| # If the expected file does not exist, the output is expected to be empty. |
| if not os.path.exists(expected_txt_path): |
| return self._VerifyEmptyText(txt_path) |
| |
| # If JavaScript is disabled, the output should be empty. |
| # However, if the test is suppressed and JavaScript is disabled, do not |
| # verify that the text is empty so the suppressed test does not surprise. |
| if (self.options.disable_javascript and |
| not self.test_suppressor.IsResultSuppressed(input_filename)): |
| return self._VerifyEmptyText(txt_path) |
| |
| cmd = [sys.executable, self.text_diff_path, expected_txt_path, txt_path] |
| return common.RunCommand(cmd) |
| |
| def _VerifyEmptyText(self, txt_path): |
| try: |
| with open(txt_path, "r") as txt_file: |
| txt_data = txt_file.readlines() |
| if not txt_data: |
| return None |
| sys.stdout.write('Unexpected output:\n') |
| for line in txt_data: |
| sys.stdout.write(line) |
| raise Exception('%s should be empty.' % txt_path) |
| except Exception as e: |
| return e |
| |
| # TODO(crbug.com/pdfium/1656): Remove when ready to fully switch over to |
| # Skia Gold |
| def TestPixel(self, pdf_path, source_dir): |
| cmd_to_run = [ |
| self.pdfium_test_path, '--send-events', '--png', '--md5', |
| '--time=' + TEST_SEED_TIME |
| ] |
| |
| if 'use_ahem' in source_dir or 'use_symbolneu' in source_dir: |
| cmd_to_run.append('--font-dir=%s' % self.font_dir) |
| else: |
| cmd_to_run.append('--font-dir=%s' % self.third_party_font_dir) |
| cmd_to_run.append('--croscore-font-names') |
| |
| if self.options.disable_javascript: |
| cmd_to_run.append('--disable-javascript') |
| |
| if self.options.disable_xfa: |
| cmd_to_run.append('--disable-xfa') |
| |
| if self.options.render_oneshot: |
| cmd_to_run.append('--render-oneshot') |
| |
| if self.options.reverse_byte_order: |
| cmd_to_run.append('--reverse-byte-order') |
| |
| cmd_to_run.append(pdf_path) |
| |
| raised_exception, results = common.RunCommandExtractHashedFiles(cmd_to_run) |
| if results: |
| results = [ |
| ImageArtifact(image_path=image_path, md5_hash=md5_hash) |
| for image_path, md5_hash in results |
| ] |
| return raised_exception, results |
| |
| |
| @dataclass |
| class TestCase: |
| """Description of a test case to run. |
| |
| Attributes: |
| test_id: A unique identifier for the test. |
| input_path: The absolute path to the test file. |
| """ |
| test_id: str |
| input_path: str |
| |
| def NewResult(self, status, **kwargs): |
| """Derives a new test result corresponding to this test case.""" |
| return TestResult(test_id=self.test_id, status=status, **kwargs) |
| |
| |
| @dataclass |
| class TestResult: |
| """Results from running a test case. |
| |
| Attributes: |
| test_id: The corresponding test case ID. |
| status: The overall `result_types` status. |
| image_artfacts: Optional list of image artifacts. |
| """ |
| test_id: str |
| status: str |
| image_artifacts: list = None |
| |
| def IsPass(self): |
| """Whether the test passed.""" |
| return self.status == result_types.PASS |
| |
| |
| @dataclass |
| class ImageArtifact: |
| """Image artifact for a test result. |
| |
| Attributes: |
| image_path: The absolute path to the image file. |
| md5_hash: The MD5 hash of the pixel buffer. |
| """ |
| image_path: str |
| md5_hash: str |
| |
| |
| class TestCaseManager: |
| """Manages a collection of test cases.""" |
| |
| def __init__(self): |
| self.test_cases = {} |
| |
| def __len__(self): |
| return len(self.test_cases) |
| |
| def __iter__(self): |
| return iter(self.test_cases.values()) |
| |
| def NewTestCase(self, input_path, **kwargs): |
| """Creates and registers a new test case.""" |
| input_basename = os.path.basename(input_path) |
| test_id, _ = os.path.splitext(input_basename) |
| if test_id in self.test_cases: |
| raise ValueError( |
| f'Test ID "{test_id}" derived from "{input_basename}" must be unique') |
| |
| test_case = TestCase(test_id=test_id, input_path=input_path, **kwargs) |
| self.test_cases[test_id] = test_case |
| return test_case |
| |
| def GetTestCase(self, test_id): |
| """Looks up a test case previously registered by `NewTestCase()`.""" |
| return self.test_cases[test_id] |
