Merge #12627: qa: Fix some tests to work on native windows

fa3528a85b qa: Fix some tests to work on native windows (MarcoFalke)

Pull request description:

  This allows some more tests to be run natively on Windows

Tree-SHA512: 8097a82dc046be9f6bb0da634758c9afef7836960ca7a1f88f9acab9512dbf7bc26525b515faae407edab4620846cce2b427940298f822e250f23f924b4c7591

test/functional/mempool_persist.py

@@ -66,7 +66,9 @@ class MempoolPersistTest(BitcoinTestFramework):
 
         self.log.debug("Stop-start the nodes. Verify that node0 has the transactions in its mempool and node1 does not. Verify that node2 calculates its balance correctly after loading wallet transactions.")
         self.stop_nodes()
-        self.start_node(1)  # Give this one a head-start, so we can be "extra-sure" that it didn't load anything later
+        # Give this node a head-start, so we can be "extra-sure" that it didn't load anything later
+        # Also don't store the mempool, to keep the datadir clean
+        self.start_node(1, extra_args=["-persistmempool=0"])
         self.start_node(0)
         self.start_node(2)
         # Give dashd a second to reload the mempool

test/functional/test_framework/netutil.py

@@ -9,7 +9,6 @@ Roughly based on http://voorloopnul.com/blog/a-python-netstat-in-less-than-100-l
 
 import sys
 import socket
-import fcntl
 import struct
 import array
 import os
@@ -90,6 +89,8 @@ def all_interfaces():
     '''
     Return all interfaces that are up
     '''
+    import fcntl  # Linux only, so only import when required
+
     is_64bits = sys.maxsize > 2**32
     struct_size = 40 if is_64bits else 32
     s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

test/functional/wallet-dump.py

@@ -9,7 +9,10 @@ import sys
 import os
 
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import (assert_equal, assert_raises_rpc_error)
+from test_framework.util import (
+    assert_equal,
+    assert_raises_rpc_error,
+)
 
 
 def read_dump(file_name, addrs, script_addrs, hd_master_addr_old):
@@ -89,7 +92,8 @@ class WalletDumpTest(BitcoinTestFramework):
         self.start_nodes()
 
     def run_test (self):
-        tmpdir = self.options.tmpdir
+        wallet_unenc_dump = os.path.join(self.nodes[0].datadir, "wallet.unencrypted.dump")
+        wallet_enc_dump = os.path.join(self.nodes[0].datadir, "wallet.encrypted.dump")
 
         # generate 20 addresses to compare against the dump
         test_addr_count = 20
@@ -106,11 +110,11 @@ class WalletDumpTest(BitcoinTestFramework):
         script_addrs = [multisig_addr]
 
         # dump unencrypted wallet
-        result = self.nodes[0].dumpwallet(tmpdir + "/node0/wallet.unencrypted.dump")
-        assert_equal(result['filename'], os.path.abspath(tmpdir + "/node0/wallet.unencrypted.dump"))
+        result = self.nodes[0].dumpwallet(wallet_unenc_dump)
+        assert_equal(result['filename'], wallet_unenc_dump)
 
         found_addr, found_script_addr, found_addr_chg, found_addr_rsv, hd_master_addr_unenc = \
-            read_dump(tmpdir + "/node0/wallet.unencrypted.dump", addrs, script_addrs, None)
+            read_dump(wallet_unenc_dump, addrs, script_addrs, None)
         assert_equal(found_addr, test_addr_count)  # all keys must be in the dump
         # This is 1, not 2 because we aren't testing for witness scripts
         assert_equal(found_script_addr, 1)  # all scripts must be in the dump
@@ -123,10 +127,10 @@ class WalletDumpTest(BitcoinTestFramework):
         self.nodes[0].walletpassphrase('test', 30)
         # Should be a no-op:
         self.nodes[0].keypoolrefill()
-        self.nodes[0].dumpwallet(tmpdir + "/node0/wallet.encrypted.dump")
+        self.nodes[0].dumpwallet(wallet_enc_dump)
 
         found_addr, found_script_addr, found_addr_chg, found_addr_rsv, _ = \
-            read_dump(tmpdir + "/node0/wallet.encrypted.dump", addrs, script_addrs, hd_master_addr_unenc)
+            read_dump(wallet_enc_dump, addrs, script_addrs, hd_master_addr_unenc)
         assert_equal(found_addr, test_addr_count)
         # This is 1, not 2 because we aren't testing for witness scripts
         assert_equal(found_script_addr, 1)
@@ -135,7 +139,7 @@ class WalletDumpTest(BitcoinTestFramework):
         assert_equal(found_addr_rsv, 180)  # keypool size
 
         # Overwriting should fail
-        assert_raises_rpc_error(-8, "already exists", self.nodes[0].dumpwallet, tmpdir + "/node0/wallet.unencrypted.dump")
+        assert_raises_rpc_error(-8, "already exists", lambda: self.nodes[0].dumpwallet(wallet_enc_dump))
 
         # Restart node with new wallet, and test importwallet
         self.stop_node(0)
@@ -145,11 +149,11 @@ class WalletDumpTest(BitcoinTestFramework):
         result = self.nodes[0].validateaddress(multisig_addr)
         assert(result['ismine'] == False)
 
-        self.nodes[0].importwallet(os.path.abspath(tmpdir + "/node0/wallet.unencrypted.dump"))
+        self.nodes[0].importwallet(wallet_unenc_dump)
 
         # Now check IsMine is true
         result = self.nodes[0].validateaddress(multisig_addr)
         assert(result['ismine'] == True)
 
 if __name__ == '__main__':
-    WalletDumpTest().main ()
+    WalletDumpTest().main()