test: Add tests for -debuglogfile with subdirs

backports bitcoin/bitcoin@5a7c09a

Author: random-zebra

test/functional/feature_logging.py

@@ -31,18 +31,35 @@ def run_test(self):
         self.log.info("Alternative filename outside datadir ok")
 
         # check that invalid log (relative) will cause error
+        invdir = os.path.join(self.nodes[0].datadir, "regtest", "foo")
+        invalidname = os.path.join("foo", "foo.log")
         self.stop_node(0)
-        self.assert_start_raises_init_error(0, ["-debuglogfile=ssdksjdf/sdasdfa/sdfsdfsfd"],
+        self.assert_start_raises_init_error(0, ["-debuglogfile=%s" % (invalidname)],
                                                 "Error: Could not open debug log file")
+        assert not os.path.isfile(os.path.join(invdir, "foo.log"))
         self.log.info("Invalid relative filename throws")
 
+        # check that a previously invalid log (relative) works after path exists
+        os.mkdir(invdir)
+        self.start_node(0, ["-debuglogfile=%s" % (invalidname)])
+        assert os.path.isfile(os.path.join(invdir, "foo.log"))
+        self.log.info("Relative filename ok when path exists")
+
         # check that invalid log (absolute) will cause error
         self.stop_node(0)
-        invalidname = os.path.join(self.options.tmpdir, "foo/foo.log")
+        invdir = os.path.join(self.options.tmpdir, "foo")
+        invalidname = os.path.join(invdir, "foo.log")
         self.assert_start_raises_init_error(0, ["-debuglogfile=%s" % invalidname],
                                                "Error: Could not open debug log file")
+        assert not os.path.isfile(os.path.join(invdir, "foo.log"))
         self.log.info("Invalid absolute filename throws")
 
+        # check that a previously invalid log (relative) works after path exists
+        os.mkdir(invdir)
+        self.start_node(0, ["-debuglogfile=%s" % (invalidname)])
+        assert os.path.isfile(os.path.join(invdir, "foo.log"))
+        self.log.info("Absolute filename ok when path exists")
+
 
 if __name__ == '__main__':
     LoggingTest().main()

test/functional/test_runner.py

@@ -66,10 +66,10 @@
     'wallet_abandonconflict.py',                # ~ 212 sec
     'wallet_hd.py',                             # ~ 210 sec
     'wallet_zerocoin_publicspends.py',          # ~ 202 sec
+    'feature_logging.py',                       # ~ 200 sec
     'rpc_rawtransaction.py',                    # ~ 193 sec
     'wallet_zapwallettxes.py',                  # ~ 180 sec
     'wallet_keypool_topup.py',                  # ~ 174 sec
-    'feature_logging.py',                       # ~ 166 sec
     'wallet_txn_doublespend.py --mineblock',    # ~ 157 sec
     'wallet_txn_clone.py --mineblock',          # ~ 157 sec
     'rpc_spork.py',                             # ~ 156 sec