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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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