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gh-112192: Increase the trace module coverage precision to one decimal (#126972)

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RUANG (James Roy) 2024-12-04 06:33:13 +08:00 • committed by GitHub
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commit 12397a5781
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4 changed files with 7 additions and 7 deletions
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2
Lib/test/test_regrtest.py
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@ -1138,7 +1138,7 @@ def test_coverage(self):
output = self.run_tests("--coverage", test)
self.check_executed_tests(output, [test], stats=1)
regex = (r'lines +cov% +module +\(path\)\n'
r'(?: *[0-9]+ *[0-9]{1,2}% *[^ ]+ +\([^)]+\)+)+')
r'(?: *[0-9]+ *[0-9]{1,2}\.[0-9]% *[^ ]+ +\([^)]+\)+)+')
self.check_line(output, regex)
def test_wait(self):

4
Lib/test/test_trace.py
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@ -412,7 +412,7 @@ def test_issue9936(self):
coverage = {}
for line in stdout:
lines, cov, module = line.split()[:3]
coverage[module] = (int(lines), int(cov[:-1]))
coverage[module] = (float(lines), float(cov[:-1]))
# XXX This is needed to run regrtest.py as a script
modname = trace._fullmodname(sys.modules[modname].__file__)
self.assertIn(modname, coverage)
@ -553,7 +553,7 @@ def f():
stdout = stdout.decode()
self.assertEqual(status, 0)
self.assertIn('lines cov% module (path)', stdout)
self.assertIn(f'6 100% {modulename} ({filename})', stdout)
self.assertIn(f'6 100.0% {modulename} ({filename})', stdout)
def test_run_as_module(self):
assert_python_ok('-m', 'trace', '-l', '--module', 'timeit', '-n', '1')

7
Lib/trace.py
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@ -279,14 +279,13 @@ def write_results(self, show_missing=True, summary=False, coverdir=None, *,
n_hits, n_lines = self.write_results_file(coverpath, source,
lnotab, count, encoding)
if summary and n_lines:
percent = int(100 * n_hits / n_lines)
sums[modulename] = n_lines, percent, modulename, filename
sums[modulename] = n_lines, n_hits, modulename, filename
if summary and sums:
print("lines cov% module (path)")
for m in sorted(sums):
n_lines, percent, modulename, filename = sums[m]
print("%5d %3d%% %s (%s)" % sums[m])
n_lines, n_hits, modulename, filename = sums[m]
print(f"{n_lines:5d} {n_hits/n_lines:.1%} {modulename} ({filename})")
if self.outfile:
# try and store counts and module info into self.outfile

1
Misc/NEWS.d/next/Library/2024-11-18-23-18-27.gh-issue-112192.DRdRgP.rst Normal file
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@ -0,0 +1 @@
In the :mod:`trace` module, increase the coverage precision (``cov%``) to one decimal.