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Viewing changes to mozilla/build/automationutils.py

  • Committer: Package Import Robot
  • Author(s): Chris Coulson
  • Date: 2012-05-21 16:09:39 UTC
  • mfrom: (1.3.1) (25.1.1 precise-security)
  • Revision ID: package-import@ubuntu.com-20120521160939-0702473a46xfq3tl
Tags: 1.5~b2+build1-0ubuntu1
New upstream release from the beta channel (CALENDAR_1_5b2_BUILD1)

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mozilla/build/automationutils.py
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import glob, logging, os, platform, shutil, subprocess, sys, tempfile, urllib2, zipfile
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import re
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from urlparse import urlparse
 
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from operator import itemgetter
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__all__ = [
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  "ZipFileReader",
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  "DEBUGGER_INFO",
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  "replaceBackSlashes",
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  "wrapCommand",
 
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  "ShutdownLeakLogger"
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  ]
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# Map of debugging programs to information about them, like default arguments
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    return ["arch", "-arch", "i386"] + cmd
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  # otherwise just execute the command normally
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  return cmd
 
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class ShutdownLeakLogger(object):
 
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  """
 
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  Parses the mochitest run log when running a debug build, assigns all leaked
 
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  DOM windows (that are still around after test suite shutdown, despite running
 
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  the GC) to the tests that created them and prints leak statistics.
 
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  """
 
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  MAX_LEAK_COUNT = 121
 
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  def __init__(self, logger):
 
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    self.logger = logger
 
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    self.tests = []
 
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    self.leakedWindows = {}
 
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    self.leakedDocShells = set()
 
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    self.currentTest = None
 
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    self.seenShutdown = False
 
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  def log(self, line):
 
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    if line[2:11] == "DOMWINDOW":
 
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      self._logWindow(line)
 
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    elif line[2:10] == "DOCSHELL":
 
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      self._logDocShell(line)
 
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    elif line.startswith("TEST-START"):
 
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      fileName = line.split(" ")[-1].strip().replace("chrome://mochitests/content/browser/", "")
 
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      self.currentTest = {"fileName": fileName, "windows": set(), "docShells": set()}
 
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    elif line.startswith("INFO TEST-END"):
 
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      # don't track a test if no windows or docShells leaked
 
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      if self.currentTest["windows"] or self.currentTest["docShells"]:
 
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        self.tests.append(self.currentTest)
 
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      self.currentTest = None
 
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    elif line.startswith("INFO TEST-START | Shutdown"):
 
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      self.seenShutdown = True
 
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  def parse(self):
 
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    leakingTests = self._parseLeakingTests()
 
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    if leakingTests:
 
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      totalWindows = sum(len(test["leakedWindows"]) for test in leakingTests)
 
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      totalDocShells = sum(len(test["leakedDocShells"]) for test in leakingTests)
 
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      msgType = "INFO" if totalWindows + totalDocShells <= self.MAX_LEAK_COUNT else "UNEXPECTED-FAIL"
 
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      self.logger.info("TEST-%s | ShutdownLeaks | leaked %d DOMWindow(s) and %d DocShell(s) until shutdown", msgType, totalWindows, totalDocShells)
 
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    for test in leakingTests:
 
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      self.logger.info("\n[%s]", test["fileName"])
 
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      for url, count in self._zipLeakedWindows(test["leakedWindows"]):
 
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        self.logger.info("  %d window(s) [url = %s]", count, url)
 
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      if test["leakedDocShells"]:
 
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        self.logger.info("  %d docShell(s)", len(test["leakedDocShells"]))
 
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  def _logWindow(self, line):
 
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    created = line[:2] == "++"
 
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    id = self._parseValue(line, "serial")
 
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    if self.currentTest:
 
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      windows = self.currentTest["windows"]
 
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      if created:
 
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        windows.add(id)
 
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      else:
 
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        windows.discard(id)
 
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    elif self.seenShutdown and not created:
 
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      self.leakedWindows[id] = self._parseValue(line, "url")
 
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  def _logDocShell(self, line):
 
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    created = line[:2] == "++"
 
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    id = self._parseValue(line, "id")
 
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    if self.currentTest:
 
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      docShells = self.currentTest["docShells"]
 
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      if created:
 
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        docShells.add(id)
 
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      else:
 
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        docShells.discard(id)
 
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    elif self.seenShutdown and not created:
 
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      self.leakedDocShells.add(id)
 
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  def _parseValue(self, line, name):
 
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    return re.search("\[%s = (.+?)\]" % name, line).group(1)
 
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  def _parseLeakingTests(self):
 
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    leakingTests = []
 
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    for test in self.tests:
 
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      test["leakedWindows"] = [self.leakedWindows[id] for id in test["windows"] if id in self.leakedWindows]
 
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      test["leakedDocShells"] = [id for id in test["docShells"] if id in self.leakedDocShells]
 
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      test["leakCount"] = len(test["leakedWindows"]) + len(test["leakedDocShells"])
 
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      if test["leakCount"]:
 
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        leakingTests.append(test)
 
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    return sorted(leakingTests, key=itemgetter("leakCount"), reverse=True)
 
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  def _zipLeakedWindows(self, leakedWindows):
 
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    counts = []
 
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    counted = set()
 
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    for url in leakedWindows:
 
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      if not url in counted:
 
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        counts.append((url, leakedWindows.count(url)))
 
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        counted.add(url)
 
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    return sorted(counts, key=itemgetter(1), reverse=True)