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gh-103186: Make test_generated_cases less noisy by default #109100

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Merged
merged 1 commit into from
Sep 7, 2023
Merged

gh-103186: Make test_generated_cases less noisy by default #109100

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19 changes: 14 additions & 5 deletions Lib/test/test_generated_cases.py
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Original file line number Diff line number Diff line change
@@ -1,7 +1,9 @@
import contextlib
import tempfile
import unittest
import os

from test import support
from test import test_tools

test_tools.skip_if_missing('cases_generator')
Expand All @@ -12,6 +14,12 @@
from parsing import StackEffect


def handle_stderr():
if support.verbose > 1:
return contextlib.nullcontext()
else:
return support.captured_stderr()

class TestEffects(unittest.TestCase):
def test_effect_sizes(self):
input_effects = [
Expand Down Expand Up @@ -81,11 +89,12 @@ def run_cases_test(self, input: str, expected: str):
temp_input.flush()

a = generate_cases.Generator([self.temp_input_filename])
a.parse()
a.analyze()
if a.errors:
raise RuntimeError(f"Found {a.errors} errors")
a.write_instructions(self.temp_output_filename, False)
with handle_stderr():
a.parse()
a.analyze()
if a.errors:
raise RuntimeError(f"Found {a.errors} errors")
a.write_instructions(self.temp_output_filename, False)

with open(self.temp_output_filename) as temp_output:
lines = temp_output.readlines()
Expand Down