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[3.10] bpo-13236: Flush the output stream more often in unittest (GH-29929) (GH-30039)

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It can prevent some losses when output to buffered stream..
(cherry picked from commit 83fa1291fd)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This commit is contained in:
Miss Islington (bot) 2021-12-10 16:34:46 -08:00 • committed by GitHub
parent 9299e3a39c
commit d55a03e02e
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 44 additions and 4 deletions
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9
Lib/unittest/runner.py
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@ -59,6 +59,7 @@ class TextTestResult(result.TestResult):
super(TextTestResult, self).addSuccess(test)
if self.showAll:
self.stream.writeln("ok")
self.stream.flush()
elif self.dots:
self.stream.write('.')
self.stream.flush()
@ -67,6 +68,7 @@ class TextTestResult(result.TestResult):
super(TextTestResult, self).addError(test, err)
if self.showAll:
self.stream.writeln("ERROR")
self.stream.flush()
elif self.dots:
self.stream.write('E')
self.stream.flush()
@ -75,6 +77,7 @@ class TextTestResult(result.TestResult):
super(TextTestResult, self).addFailure(test, err)
if self.showAll:
self.stream.writeln("FAIL")
self.stream.flush()
elif self.dots:
self.stream.write('F')
self.stream.flush()
@ -83,6 +86,7 @@ class TextTestResult(result.TestResult):
super(TextTestResult, self).addSkip(test, reason)
if self.showAll:
self.stream.writeln("skipped {0!r}".format(reason))
self.stream.flush()
elif self.dots:
self.stream.write("s")
self.stream.flush()
@ -91,6 +95,7 @@ class TextTestResult(result.TestResult):
super(TextTestResult, self).addExpectedFailure(test, err)
if self.showAll:
self.stream.writeln("expected failure")
self.stream.flush()
elif self.dots:
self.stream.write("x")
self.stream.flush()
@ -99,6 +104,7 @@ class TextTestResult(result.TestResult):
super(TextTestResult, self).addUnexpectedSuccess(test)
if self.showAll:
self.stream.writeln("unexpected success")
self.stream.flush()
elif self.dots:
self.stream.write("u")
self.stream.flush()
@ -106,6 +112,7 @@ class TextTestResult(result.TestResult):
def printErrors(self):
if self.dots or self.showAll:
self.stream.writeln()
self.stream.flush()
self.printErrorList('ERROR', self.errors)
self.printErrorList('FAIL', self.failures)
@ -115,6 +122,7 @@ class TextTestResult(result.TestResult):
self.stream.writeln("%s: %s" % (flavour,self.getDescription(test)))
self.stream.writeln(self.separator2)
self.stream.writeln("%s" % err)
self.stream.flush()
class TextTestRunner(object):
@ -218,4 +226,5 @@ class TextTestRunner(object):
self.stream.writeln(" (%s)" % (", ".join(infos),))
else:
self.stream.write("\n")
self.stream.flush()
return result