From b9e76f1bf08c52fcd402b2314e00db4ad247ebc8 Mon Sep 17 00:00:00 2001
From: Christian Decker <decker.christian@gmail.com>
Date: Tue, 6 Apr 2021 13:06:41 +0200
Subject: [PATCH] rpc: Add test for -rpcwaittimeout

Suggested-by: Jon Atack <@jonatack>
---
 test/functional/interface_bitcoin_cli.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/functional/interface_bitcoin_cli.py b/test/functional/interface_bitcoin_cli.py
index 30cd499b3f..22eec59600 100755
--- a/test/functional/interface_bitcoin_cli.py
+++ b/test/functional/interface_bitcoin_cli.py
@@ -10,10 +10,12 @@ from test_framework.blocktools import COINBASE_MATURITY
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
+    assert_greater_than_or_equal,
     assert_raises_process_error,
     assert_raises_rpc_error,
     get_auth_cookie,
 )
+import time
 
 # The block reward of coinbaseoutput.nValue (50) BTC/block matures after
 # COINBASE_MATURITY (100) blocks. Therefore, after mining 101 blocks we expect
@@ -248,6 +250,12 @@ class TestBitcoinCli(BitcoinTestFramework):
         self.nodes[0].wait_for_rpc_connection()
         assert_equal(blocks, BLOCKS + 25)
 
+        self.log.info("Test -rpcwait option waits at most -rpcwaittimeout seconds for startup")
+        self.stop_node(0)  # stop the node so we time out
+        start_time = time.time()
+        assert_raises_process_error(1, "Could not connect to the server", self.nodes[0].cli('-rpcwait', '-rpcwaittimeout=5').echo)
+        assert_greater_than_or_equal(time.time(), start_time + 5)
+
 
 if __name__ == '__main__':
     TestBitcoinCli().main()