code.vuplus.com Git - vuplus_webkit/blob - Tools/Scripts/webkitpy/common/net/failuremap.py

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  19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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  27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  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 failing_tests(self):
  63         return set(sum([self.tests_failing_for(revision) for revision in self.failing_revisions()], []))
  64
  65     def _old_failures(self, is_old_failure):
  66         return filter(lambda revision: is_old_failure(revision),
  67                       self.failing_revisions())
  68
  69     def _builders_failing_because_of(self, revisions):
  70         revision_set = set(revisions)
  71         return [failure_info['builder'] for failure_info in self._failures
  72                 if revision_set.intersection(
  73                     failure_info['regression_window'].revisions())]
  74
  75     # FIXME: We should re-process old failures after some time delay.
  76     # https://bugs.webkit.org/show_bug.cgi?id=36581
  77     def filter_out_old_failures(self, is_old_failure):
  78         old_failures = self._old_failures(is_old_failure)
  79         old_failing_builder_names = set([builder.name()
  80             for builder in self._builders_failing_because_of(old_failures)])
  81
  82         # We filter out all the failing builders that could have been caused
  83         # by old_failures.  We could miss some new failures this way, but
  84         # emperically, this reduces the amount of spam we generate.
  85         failures = self._failures
  86         self._failures = [failure_info for failure_info in failures
  87             if failure_info['builder'].name() not in old_failing_builder_names]
  88         self._cache = {}