1 files changed, 74 insertions, 0 deletions
diff --git a/test/functional/interface_rpc.py b/test/functional/interface_rpc.py
new file mode 100755
index 0000000000..49ae0fb1a9
--- /dev/null
+++ b/test/functional/interface_rpc.py
@@ -0,0 +1,74 @@
+#!/usr/bin/env python3
+# Copyright (c) 2018-2019 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Tests some generic aspects of the RPC interface."""
+
+from test_framework.authproxy import JSONRPCException
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import assert_equal, assert_greater_than_or_equal
+
+def expect_http_status(expected_http_status, expected_rpc_code,
+                       fcn, *args):
+    try:
+        fcn(*args)
+        raise AssertionError("Expected RPC error %d, got none" % expected_rpc_code)
+    except JSONRPCException as exc:
+        assert_equal(exc.error["code"], expected_rpc_code)
+        assert_equal(exc.http_status, expected_http_status)
+
+class RPCInterfaceTest(BitcoinTestFramework):
+    def set_test_params(self):
+        self.num_nodes = 1
+        self.setup_clean_chain = True
+
+    def test_getrpcinfo(self):
+        self.log.info("Testing getrpcinfo...")
+
+        info = self.nodes[0].getrpcinfo()
+        assert_equal(len(info['active_commands']), 1)
+
+        command = info['active_commands'][0]
+        assert_equal(command['method'], 'getrpcinfo')
+        assert_greater_than_or_equal(command['duration'], 0)
+
+    def test_batch_request(self):
+        self.log.info("Testing basic JSON-RPC batch request...")
+
+        results = self.nodes[0].batch([
+            # A basic request that will work fine.
+            {"method": "getblockcount", "id": 1},
+            # Request that will fail.  The whole batch request should still
+            # work fine.
+            {"method": "invalidmethod", "id": 2},
+            # Another call that should succeed.
+            {"method": "getbestblockhash", "id": 3},
+        ])
+
+        result_by_id = {}
+        for res in results:
+            result_by_id[res["id"]] = res
+
+        assert_equal(result_by_id[1]['error'], None)
+        assert_equal(result_by_id[1]['result'], 0)
+
+        assert_equal(result_by_id[2]['error']['code'], -32601)
+        assert_equal(result_by_id[2]['result'], None)
+
+        assert_equal(result_by_id[3]['error'], None)
+        assert result_by_id[3]['result'] is not None
+
+    def test_http_status_codes(self):
+        self.log.info("Testing HTTP status codes for JSON-RPC requests...")
+
+        expect_http_status(404, -32601, self.nodes[0].invalidmethod)
+        expect_http_status(500, -8, self.nodes[0].getblockhash, 42)
+
+    def run_test(self):
+        self.test_getrpcinfo()
+        self.test_batch_request()
+        self.test_http_status_codes()
+
+
+if __name__ == '__main__':
+    RPCInterfaceTest().main()