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Diffstat (limited to 'testing/tools/test_runner.py')
| -rw-r--r-- | testing/tools/test_runner.py | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/testing/tools/test_runner.py b/testing/tools/test_runner.py new file mode 100644 index 0000000000..183dd1b267 --- /dev/null +++ b/testing/tools/test_runner.py @@ -0,0 +1,235 @@ +#!/usr/bin/env python +# Copyright 2015 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. + +import cStringIO +import functools +import multiprocessing +import optparse +import os +import re +import shutil +import subprocess +import sys + +import common +import pngdiffer +import suppressor + +class KeyboardInterruptError(Exception): pass + +# Nomenclature: +# x_root - "x" +# x_filename - "x.ext" +# x_path - "path/to/a/b/c/x.ext" +# c_dir - "path/to/a/b/c" + +def TestOneFileParallel(this, test_case): + """Wrapper to call GenerateAndTest() and redirect output to stdout.""" + try: + old_stdout = sys.stdout + old_stderr = sys.stderr + sys.stdout = cStringIO.StringIO() + sys.stderr = sys.stdout + + input_filename, source_dir = test_case + result = this.GenerateAndTest(input_filename, source_dir, True); + + output = sys.stdout + sys.stdout = old_stdout + sys.stderr = old_stderr + return (result, output.getvalue(), input_filename, source_dir) + except KeyboardInterrupt: + raise KeyboardInterruptError() + +class TestRunner: + def __init__(self, dirname): + self.test_dir = dirname + + def GenerateAndTest(self, input_filename, source_dir, redirect_output=False): + input_root, _ = os.path.splitext(input_filename) + expected_txt_path = os.path.join(source_dir, input_root + '_expected.txt') + + pdf_path = os.path.join(self.working_dir, input_root + '.pdf') + + # Remove any existing generated images from previous runs. + actual_images = self.image_differ.GetActualFiles(input_filename, source_dir, + self.working_dir) + for image in actual_images: + if os.path.exists(image): + os.remove(image) + + sys.stdout.flush() + + raised_exception = self.Generate(source_dir, input_filename, input_root, + pdf_path, redirect_output) + + if raised_exception != None: + print "FAILURE: " + input_filename + "; " + str(raised_exception) + return False + + if os.path.exists(expected_txt_path): + raised_exception = self.TestText(input_root, expected_txt_path, pdf_path, + redirect_output) + else: + raised_exception = self.TestPixel(pdf_path, redirect_output) + + if raised_exception != None: + print "FAILURE: " + input_filename + "; " + str(raised_exception) + return False + + if len(actual_images): + if self.image_differ.HasDifferences(input_filename, source_dir, + self.working_dir, redirect_output): + return False + + return True + + + def Generate(self, source_dir, input_filename, input_root, pdf_path, + redirect_output): + original_path = os.path.join(source_dir, input_filename) + input_path = os.path.join(source_dir, input_root + '.in') + + if not os.path.exists(input_path): + if os.path.exists(original_path): + shutil.copyfile(original_path, pdf_path) + return None + + # Add Dr. Memory wrapper if exists. + cmd = common.DrMemoryWrapper(self.drmem_wrapper, input_root) + cmd.extend([sys.executable, self.fixup_path, + '--output-dir=' + self.working_dir, input_path]) + return common.RunCommand(cmd, redirect_output) + + + def TestText(self, input_root, expected_txt_path, pdf_path, redirect_output): + txt_path = os.path.join(self.working_dir, input_root + '.txt') + with open(txt_path, 'w') as outfile: + subprocess.check_call([self.pdfium_test_path, pdf_path], stdout=outfile) + + cmd = [sys.executable, self.text_diff_path, expected_txt_path, txt_path] + return common.RunCommand(cmd, redirect_output) + + + def TestPixel(self, pdf_path, redirect_output): + return common.RunCommand( + [self.pdfium_test_path, '--png', pdf_path], redirect_output) + + + def HandleResult(self, input_filename, input_path, result): + if self.test_suppressor.IsSuppressed(input_filename): + if result: + self.surprises.append(input_path) + else: + if not result: + self.failures.append(input_path) + + + def Run(self): + parser = optparse.OptionParser() + parser.add_option('--build-dir', default=os.path.join('out', 'Debug'), + help='relative path from the base source directory') + parser.add_option('-j', default=multiprocessing.cpu_count(), + dest='num_workers', type='int', + help='run NUM_WORKERS jobs in parallel') + parser.add_option('--wrapper', default='', dest="wrapper", + help='wrapper for running test under Dr. Memory') + options, args = parser.parse_args() + + finder = common.DirectoryFinder(options.build_dir) + self.fixup_path = finder.ScriptPath('fixup_pdf_template.py') + self.text_diff_path = finder.ScriptPath('text_diff.py') + + self.drmem_wrapper = options.wrapper + + self.source_dir = finder.TestingDir() + + if self.test_dir != 'corpus': + test_dir = finder.TestingDir(os.path.join('resources', self.test_dir)) + else: + test_dir = finder.TestingDir(self.test_dir) + + self.pdfium_test_path = finder.ExecutablePath('pdfium_test') + if not os.path.exists(self.pdfium_test_path): + print "FAILURE: Can't find test executable '%s'" % self.pdfium_test_path + print "Use --build-dir to specify its location." + return 1 + + self.working_dir = finder.WorkingDir(os.path.join('testing', self.test_dir)) + if not os.path.exists(self.working_dir): + os.makedirs(self.working_dir) + + self.feature_string = subprocess.check_output([self.pdfium_test_path, + '--show-config']) + self.test_suppressor = suppressor.Suppressor(finder, self.feature_string) + self.image_differ = pngdiffer.PNGDiffer(finder) + + walk_from_dir = finder.TestingDir(test_dir); + + test_cases = [] + input_file_re = re.compile('^[a-zA-Z0-9_.]+[.](in|pdf)$') + + if len(args): + for file_name in args: + file_name.replace(".pdf", ".in") + input_path = os.path.join(walk_from_dir, file_name) + if not os.path.isfile(input_path): + print "Can't find test file '%s'" % file_name + return 1 + + test_cases.append((os.path.basename(input_path), + os.path.dirname(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 os.path.isfile(input_path): + test_cases.append((input_filename, file_dir)) + + self.failures = [] + self.surprises = [] + + if options.num_workers > 1 and not len(args): + try: + pool = multiprocessing.Pool(options.num_workers) + worker_func = functools.partial(TestOneFileParallel, self) + + worker_results = pool.imap(worker_func, test_cases) + for worker_result in worker_results: + result, output, input_filename, source_dir = worker_result + input_path = os.path.join(source_dir, input_filename) + sys.stdout.write(output) + + self.HandleResult(input_filename, input_path, result) + except KeyboardInterrupt: + pool.terminate() + finally: + pool.close() + pool.join() + else: + for test_case in test_cases: + input_filename, input_file_dir = test_case + result = self.GenerateAndTest(input_filename, input_file_dir) + self.HandleResult(input_filename, + os.path.join(input_file_dir, input_filename), result) + + if self.surprises: + self.surprises.sort() + print '\n\nUnexpected Successes:' + for surprise in self.surprises: + print surprise; + + if self.failures: + self.failures.sort() + print '\n\nSummary of Failures:' + for failure in self.failures: + print failure + return 1 + + return 0 + + + |