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Fix status message output for single line test output. NFC #25838

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Merged
merged 1 commit into from
Nov 20, 2025
+12 −4
Merged

Fix status message output for single line test output. NFC #25838

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16 changes: 12 additions & 4 deletions test/single_line_runner.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,14 +16,17 @@ def clearline(stream):


def term_width():
return shutil.get_terminal_size()[0]
return shutil.get_terminal_size().columns


class SingleLineTestResult(ColorTextResult):
"""Similar to the standard TextTestResult but uses ANSI escape codes
for color output and reusing a single line on the terminal.
"""
max_status_msg = 20

# Reserve at least 20 columns for the status message
min_status_msg = 20
status_limit = None

def _write_status(self, _test, status):
# Add some color to the status message
Expand All @@ -36,7 +39,7 @@ def _write_status(self, _test, status):
status += '\n'
else:
color = CYAN
status = status[:self.max_status_msg]
status = status[:self.status_limit]
line = f'{with_color(color, status)}'
self.stream.write(line)
self.stream.flush()
Expand All @@ -47,12 +50,17 @@ def startTest(self, test):
self.showAll = True
clearline(self.stream)
prefix_len = self.writeProgressPrefix()
max_desc = term_width() - prefix_len - len(' ... ') - self.max_status_msg
total_width = term_width()
max_desc = total_width - prefix_len - len(' ... ') - self.min_status_msg
desc = str(test)[:max_desc]
self.stream.write(desc)
self.stream.write(' ... ')
self.stream.flush()

# Calcualte the remaining terminal width available for the _write_status
# message. This will never be lower that `self.max_status_msg`
self.status_limit = total_width - prefix_len - len(desc) - len(' ... ')

def printErrors(self):
# All tests have been run at this point so print a final newline
# to end out status line
Expand Down