aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rwxr-xr-xtest/functional/feature_init.py10
1 files changed, 4 insertions, 6 deletions
diff --git a/test/functional/feature_init.py b/test/functional/feature_init.py
index 94f5116f9b..37ef3de4dd 100755
--- a/test/functional/feature_init.py
+++ b/test/functional/feature_init.py
@@ -5,6 +5,7 @@
"""Stress tests related to node initialization."""
import os
from pathlib import Path
+from random import randint
import shutil
from test_framework.test_framework import BitcoinTestFramework, SkipTest
@@ -133,15 +134,12 @@ class InitStressTest(BitcoinTestFramework):
for target_file in target_files:
self.log.info(f"Perturbing file to ensure failure {target_file}")
- with open(target_file, "rb") as tf_read:
- contents = tf_read.read()
- tweaked_contents = bytearray(contents)
+ with open(target_file, "r+b") as tf:
# Since the genesis block is not checked by -checkblocks, the
# perturbation window must be chosen such that a higher block
# in blk*.dat is affected.
- tweaked_contents[150:350] = b'1' * 200
- with open(target_file, "wb") as tf_write:
- tf_write.write(bytes(tweaked_contents))
+ tf.seek(randint (150, 15000))
+ tf.write(b'1' * randint(20, 2000))
start_expecting_error(err_fragment)