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| 1 # Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 # Use of this source code is governed by a BSD-style license that can be | |
| 3 # found in the LICENSE file. | |
| 4 | |
| 5 from cStringIO import StringIO | |
| 6 | |
| 7 import coverage | |
| 8 | |
| 9 # This is instead of a contextmanager because it causes old pylints to crash :( | |
| 10 class _Cover(object): | |
| 11 def __init__(self, enabled, maybe_kwargs): | |
| 12 self.enabled = enabled | |
| 13 self.kwargs = maybe_kwargs or {} | |
| 14 self.c = None | |
| 15 | |
| 16 def __call__(self, **kwargs): | |
| 17 new_kwargs = self.kwargs | |
| 18 if self.enabled: | |
| 19 new_kwargs = new_kwargs.copy() | |
| 20 new_kwargs.update(kwargs) | |
| 21 return _Cover(self.enabled, new_kwargs) | |
| 22 | |
| 23 def __enter__(self): | |
| 24 if self.enabled: | |
| 25 if self.c is None: | |
| 26 self.c = coverage.coverage(**self.kwargs) | |
| 27 self.c._warn_no_data = False # pylint: disable=protected-access | |
| 28 self.c.start() | |
| 29 | |
| 30 def __exit__(self, *_): | |
| 31 if self.enabled: | |
| 32 self.c.stop() | |
| 33 self.c.save() | |
| 34 | |
| 35 | |
| 36 class CoverageContext(object): | |
| 37 def __init__(self, name, cover_branches, html_report, enabled=True): | |
| 38 self.opts = None | |
| 39 self.cov = None | |
| 40 self.enabled = enabled | |
| 41 | |
| 42 self.html_report = html_report | |
| 43 | |
| 44 if enabled: | |
| 45 self.opts = { | |
| 46 'data_file': '.%s_coverage' % name, | |
| 47 'data_suffix': True, | |
| 48 'branch': cover_branches, | |
| 49 } | |
| 50 self.cov = coverage.coverage(**self.opts) | |
| 51 self.cov.erase() | |
| 52 | |
| 53 def cleanup(self): | |
| 54 if self.enabled: | |
| 55 self.cov.combine() | |
| 56 | |
| 57 def report(self, verbose, omit=None): | |
| 58 fail = False | |
| 59 | |
| 60 if self.enabled: | |
| 61 if self.html_report: | |
| 62 self.cov.html_report(directory=self.html_report, omit=None) | |
| 63 | |
| 64 outf = StringIO() | |
| 65 fail = self.cov.report(file=outf, omit=omit) != 100.0 | |
| 66 summary = outf.getvalue().replace('%- 15s' % 'Name', 'Coverage Report', 1) | |
| 67 if verbose: | |
| 68 print | |
| 69 print summary | |
| 70 elif fail: | |
| 71 print | |
| 72 lines = summary.splitlines() | |
| 73 lines[2:-2] = [l for l in lines[2:-2] | |
| 74 if not l.strip().endswith('100%')] | |
| 75 print '\n'.join(lines) | |
| 76 print | |
| 77 print 'FATAL: Test coverage is not at 100%.' | |
| 78 | |
| 79 return not fail | |
| 80 | |
| 81 def create_subprocess_context(self): | |
| 82 # Can't have this method be the contextmanager because otherwise | |
| 83 # self (and self.cov) will get pickled to the subprocess, and we don't want | |
| 84 # that :( | |
| 85 return _Cover(self.enabled, self.opts) | |
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Chromium Code Reviews
Issue 1241323004:
Cross-repo recipe package system. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/tools/build