Clean up ChunkedUpdateDrawingAreaProxy
[WebKit-https.git] / Tools / Scripts / webkitpy / common / net / failuremap.py
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28
29
30 # FIXME: This probably belongs in the buildbot module.
31 class FailureMap(object):
32     def __init__(self):
33         self._failures = []
34
35     def add_regression_window(self, builder, regression_window):
36         self._failures.append({
37             'builder': builder,
38             'regression_window': regression_window,
39         })
40
41     def is_empty(self):
42         return not self._failures
43
44     def failing_revisions(self):
45         failing_revisions = [failure_info['regression_window'].revisions()
46                              for failure_info in self._failures]
47         return sorted(set(sum(failing_revisions, [])))
48
49     def builders_failing_for(self, revision):
50         return self._builders_failing_because_of([revision])
51
52     def tests_failing_for(self, revision):
53         tests = [failure_info['regression_window'].failing_tests()
54                  for failure_info in self._failures
55                  if revision in failure_info['regression_window'].revisions()
56                     and failure_info['regression_window'].failing_tests()]
57         result = set()
58         for test in tests:
59             result = result.union(test)
60         return sorted(result)
61
62     def _old_failures(self, is_old_failure):
63         return filter(lambda revision: is_old_failure(revision),
64                       self.failing_revisions())
65
66     def _builders_failing_because_of(self, revisions):
67         revision_set = set(revisions)
68         return [failure_info['builder'] for failure_info in self._failures
69                 if revision_set.intersection(
70                     failure_info['regression_window'].revisions())]
71
72     # FIXME: We should re-process old failures after some time delay.
73     # https://bugs.webkit.org/show_bug.cgi?id=36581
74     def filter_out_old_failures(self, is_old_failure):
75         old_failures = self._old_failures(is_old_failure)
76         old_failing_builder_names = set([builder.name()
77             for builder in self._builders_failing_because_of(old_failures)])
78
79         # We filter out all the failing builders that could have been caused
80         # by old_failures.  We could miss some new failures this way, but
81         # emperically, this reduces the amount of spam we generate.
82         failures = self._failures
83         self._failures = [failure_info for failure_info in failures
84             if failure_info['builder'].name() not in old_failing_builder_names]
85         self._cache = {}