1 files changed, 28 insertions, 1 deletions
diff --git a/test/functional/wallet_multiwallet.py b/test/functional/wallet_multiwallet.py
index 53638615f6..3cefd83459 100755
--- a/test/functional/wallet_multiwallet.py
+++ b/test/functional/wallet_multiwallet.py
@@ -88,7 +88,7 @@ class MultiWalletTest(BitcoinTestFramework):
         self.nodes[0].assert_start_raises_init_error(['-walletdir=bad'], 'Error: Specified -walletdir "bad" does not exist')
         # should not initialize if the specified walletdir is not a directory
         not_a_dir = wallet_dir('notadir')
-        open(not_a_dir, 'a').close()
+        open(not_a_dir, 'a', encoding="utf8").close()
         self.nodes[0].assert_start_raises_init_error(['-walletdir=' + not_a_dir], 'Error: Specified -walletdir "' + not_a_dir + '" is not a directory')
 
         self.log.info("Do not allow -zapwallettxes with multiwallet")
@@ -234,5 +234,32 @@ class MultiWalletTest(BitcoinTestFramework):
 
         assert new_wallet_name in self.nodes[0].listwallets()
 
+        self.log.info("Test dynamic wallet unloading")
+
+        # Test `unloadwallet` errors
+        assert_raises_rpc_error(-1, "JSON value is not a string as expected", self.nodes[0].unloadwallet)
+        assert_raises_rpc_error(-18, "Requested wallet does not exist or is not loaded", self.nodes[0].unloadwallet, "dummy")
+        assert_raises_rpc_error(-18, "Requested wallet does not exist or is not loaded", node.get_wallet_rpc("dummy").unloadwallet)
+        assert_raises_rpc_error(-8, "Cannot unload the requested wallet", w1.unloadwallet, "w2"),
+
+        # Successfully unload the specified wallet name
+        self.nodes[0].unloadwallet("w1")
+        assert 'w1' not in self.nodes[0].listwallets()
+
+        # Successfully unload the wallet referenced by the request endpoint
+        w2.unloadwallet()
+        assert 'w2' not in self.nodes[0].listwallets()
+
+        # Successfully unload all wallets
+        for wallet_name in self.nodes[0].listwallets():
+            self.nodes[0].unloadwallet(wallet_name)
+        assert_equal(self.nodes[0].listwallets(), [])
+        assert_raises_rpc_error(-32601, "Method not found (wallet method is disabled because no wallet is loaded)", self.nodes[0].getwalletinfo)
+
+        # Successfully load a previously unloaded wallet
+        self.nodes[0].loadwallet('w1')
+        assert_equal(self.nodes[0].listwallets(), ['w1'])
+        assert_equal(w1.getwalletinfo()['walletname'], 'w1')
+
 if __name__ == '__main__':
     MultiWalletTest().main()