qa: Allow for partial_match when checking init error

This allows the tests to pass on different platforms

1 files changed, 8 insertions, 4 deletions

diff --git a/test/functional/test_framework/test_node.py b/test/functional/test_framework/test_node.py
index 8d88069108..8d6ec618d5 100755
--- a/test/functional/test_framework/test_node.py
+++ b/test/functional/test_framework/test_node.py
@@ -166,7 +166,7 @@ class TestNode():
     def wait_until_stopped(self, timeout=BITCOIND_PROC_WAIT_TIMEOUT):
         wait_until(self.is_node_stopped, timeout=timeout)
 
-    def assert_start_raises_init_error(self, extra_args=None, expected_msg=None, *args, **kwargs):
+    def assert_start_raises_init_error(self, extra_args=None, expected_msg=None, partial_match=False, *args, **kwargs):
         """Attempt to start the node and expect it to raise an error.
 
         extra_args: extra arguments to pass through to bitcoind
@@ -187,9 +187,13 @@ class TestNode():
                 # Check stderr for expected message
                 if expected_msg is not None:
                     log_stderr.seek(0)
-                    stderr = log_stderr.read().decode('utf-8')
-                    if re.fullmatch(expected_msg + '\n', stderr) is None:
-                        raise AssertionError('Expected message "{}" does not match stderr:\n"{}"'.format(expected_msg, stderr))
+                    stderr = log_stderr.read().decode('utf-8').strip()
+                    if partial_match:
+                        if re.search(expected_msg, stderr, flags=re.MULTILINE) is None:
+                            raise AssertionError('Expected message "{}" does not partially match stderr:\n"{}"'.format(expected_msg, stderr))
+                    else:
+                        if re.fullmatch(expected_msg, stderr) is None:
+                            raise AssertionError('Expected message "{}" does not fully match stderr:\n"{}"'.format(expected_msg, stderr))
             else:
                 if expected_msg is None:
                     assert_msg = "bitcoind should have exited with an error"