#32641: Log the number of tests found in DiscoverRunner.build_suite()
-------------------------------------+-------------------------------------
Reporter: Chris | Owner: nobody
Jerdonek |
Type: | Status: new
Cleanup/optimization |
Component: Testing | Version: dev
framework | Keywords:
Severity: Normal | DiscoverRunner,build_suite
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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Currently, when running tests with `DiscoverRunner`, the number of tests
is displayed only at the very end of the test run.
However, knowing this number at the ''beginning'' of a test run could I
think provide an increase in usability. For example, you'd be able to
notice right away if a new test you're working was or wasn't included as
expected, based on whether the number is the same or different from the
previous run. Similarly, the early feedback would be helpful as a sanity
check if you're trying to reduce the number of tests using different
command-line options, and you're not sure if your invocation is correct.
Thus, I'd like to suggest that `DiscoverRunner` display by default the
number of tests discovered (and that match any filters) at the earliest
point where this is known. This could be done inside
`DiscoverRunner.build_suite()`.
The code change could be as simple as:
{{{
diff --git a/django/test/runner.py b/django/test/runner.py
index f187107157..c975ed92be 100644
--- a/django/test/runner.py
+++ b/django/test/runner.py
@@ -652,7 +652,8 @@ class DiscoverRunner:
# _FailedTest objects include things like test modules that
couldn't be
# found or that couldn't be loaded due to syntax errors.
test_types = (unittest.loader._FailedTest, *self.reorder_by)
- all_tests = reorder_tests(all_tests, test_types, self.reverse)
+ all_tests = list(reorder_tests(all_tests, test_types,
self.reverse))
+ print('Found %d tests' % len(all_tests))
suite = self.test_suite(all_tests)
if self.parallel > 1:
}}}
If there is any concern about adding an additional message, another
possibility would be to display the current "Testing against Django
installed in ..." message later in the test run, only after the number of
tests is known, and include the test count in that message.
--
Ticket URL: <https://code.djangoproject.com/ticket/32641>
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