test: Add tests for getindexinfo RPC

Author: fjahr

test/functional/rpc_misc.py

@@ -61,6 +61,34 @@ def run_test(self):
         node.logging(include=['qt'])
         assert_equal(node.logging()['qt'], True)
 
+        self.log.info("test getindexinfo")
+        # Without any indices running the RPC returns an empty object
+        assert_equal(node.getindexinfo(), {})
+
+        # Restart the node with indices and wait for them to sync
+        self.restart_node(0, ["-txindex", "-blockfilterindex"])
+        self.wait_until(lambda: all(i["synced"] for i in node.getindexinfo().values()))
+
+        # Returns a list of all running indices by default
+        assert_equal(
+            node.getindexinfo(),
+            {
+                "txindex": {"synced": True, "best_block_height": 200},
+                "basic block filter index": {"synced": True, "best_block_height": 200}
+            }
+        )
+
+        # Specifying an index by name returns only the status of that index
+        assert_equal(
+            node.getindexinfo("txindex"),
+            {
+                "txindex": {"synced": True, "best_block_height": 200},
+            }
+        )
+
+        # Specifying an unknown index name returns an empty result
+        assert_equal(node.getindexinfo("foo"), {})
+
 
 if __name__ == '__main__':
     RpcMiscTest().main()