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| 1 #!/usr/bin/env python | |
| 2 # Copyright 2014 The Chromium Authors. All rights reserved. | |
| 3 # Use of this source code is governed by a BSD-style license that can be | |
| 4 # found in the LICENSE file. | |
| 5 | |
| 6 import argparse | |
| 7 import os.path | |
| 8 import sys | |
| 9 from filecmp import dircmp | |
| 10 from shutil import rmtree | |
| 11 from tempfile import mkdtemp | |
| 12 | |
| 13 _script_dir = os.path.dirname(os.path.abspath(__file__)) | |
| 14 _mojo_dir = os.path.join(_script_dir, os.pardir) | |
| 15 _chromium_src_dir = os.path.join(_mojo_dir, os.pardir) | |
| 16 sys.path.insert(0, os.path.join(_mojo_dir, "public", "tools", "bindings", | |
| 17 "pylib")) | |
| 18 from mojom_tests.support.find_files import FindFiles | |
| 19 from mojom_tests.support.run_bindings_generator import RunBindingsGenerator | |
| 20 | |
| 21 | |
| 22 def _ProcessDircmpResults(results, verbose=False): | |
| 23 """Prints results of directory comparison and returns true if they are | |
| 24 identical (note: the "left" directory should be the golden directory).""" | |
| 25 rv = not (bool(results.left_only) or bool(results.right_only) or \ | |
| 26 bool(results.common_funny) or bool(results.funny_files) or \ | |
| 27 bool(results.diff_files)) | |
| 28 if verbose: | |
| 29 for f in results.left_only: | |
| 30 print "%s exists in golden directory but not in current output" % f | |
| 31 for f in results.right_only: | |
| 32 print "%s exists in current output but not in golden directory" % f | |
| 33 for f in results.common_funny + results.funny_files: | |
| 34 print "Unable to compare %s between golden directory and current output" \ | |
| 35 % f | |
| 36 for f in results.diff_files: | |
| 37 print "%s differs between golden directory and current output" % f | |
| 38 for r in results.subdirs.values(): | |
| 39 # If we're being verbose, check subdirectories even if we know that there | |
| 40 # are differences. Note that it's "... and rv" to avoid the short-circuit. | |
| 41 if rv or verbose: | |
| 42 rv = _ProcessDircmpResults(r, verbose=verbose) and rv | |
| 43 return rv | |
| 44 | |
| 45 | |
| 46 def main(): | |
| 47 parser = argparse.ArgumentParser() | |
| 48 parser.add_argument("--generate_golden_files", action="store_true", | |
| 49 help=("generate golden files (does not obliterate " | |
| 50 "directory")) | |
| 51 parser.add_argument("--keep_temp_dir", action="store_true", | |
| 52 help="don't delete the temporary directory") | |
| 53 parser.add_argument("--verbose", action="store_true", | |
| 54 help="spew excess verbiage") | |
| 55 parser.add_argument("golden_dir", metavar="GOLDEN_DIR", | |
| 56 help="directory with the golden files") | |
| 57 args = parser.parse_args() | |
| 58 | |
| 59 if args.generate_golden_files: | |
| 60 if os.path.exists(args.golden_dir): | |
| 61 print "WARNING: golden directory %s already exists" % args.golden_dir | |
| 62 out_dir = args.golden_dir | |
| 63 else: | |
| 64 if not os.path.exists(args.golden_dir): | |
| 65 print "ERROR: golden directory %s does not exist" % args.golden_dir | |
| 66 return 1 | |
| 67 out_dir = mkdtemp() | |
| 68 if args.verbose: | |
| 69 print "Generating files to %s ..." % out_dir | |
| 70 | |
| 71 mojom_files = FindFiles(_mojo_dir, "*.mojom") | |
| 72 for mojom_file in mojom_files: | |
| 73 if args.verbose: | |
| 74 print " Processing %s ..." % os.path.relpath(mojom_file, _mojo_dir) | |
| 75 # TODO(vtl): This may wrong, since the path can be overridden in the .gyp | |
| 76 # file. | |
| 77 RunBindingsGenerator(out_dir, _mojo_dir, mojom_file, | |
| 78 ["-I", os.path.abspath(_chromium_src_dir)]) | |
| 79 | |
| 80 if args.generate_golden_files: | |
| 81 return 0 | |
| 82 | |
| 83 identical = _ProcessDircmpResults(dircmp(args.golden_dir, out_dir, ignore=[]), | |
| 84 verbose=args.verbose) | |
| 85 | |
| 86 if args.keep_temp_dir: | |
| 87 if args.verbose: | |
| 88 print "Not removing %s ..." % out_dir | |
| 89 else: | |
| 90 if args.verbose: | |
| 91 print "Removing %s ..." % out_dir | |
| 92 rmtree(out_dir) | |
| 93 | |
| 94 if not identical: | |
| 95 print "FAILURE: current output differs from golden files" | |
| 96 return 1 | |
| 97 | |
| 98 print "SUCCESS: current output identical to golden files" | |
| 99 return 0 | |
| 100 | |
| 101 | |
| 102 if __name__ == '__main__': | |
| 103 sys.exit(main()) | |
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