From 317c0644ccf108aa23ef3fd8358bd66c2840bfc0 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 14 Apr 2024 15:40:54 +0200
Subject: Adding upstream version 5:7.2.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/helpers/bg_block_op.tcl | 55 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 tests/helpers/bg_block_op.tcl

(limited to 'tests/helpers/bg_block_op.tcl')

diff --git a/tests/helpers/bg_block_op.tcl b/tests/helpers/bg_block_op.tcl
new file mode 100644
index 0000000..dc4e1a9
--- /dev/null
+++ b/tests/helpers/bg_block_op.tcl
@@ -0,0 +1,55 @@
+source tests/support/redis.tcl
+source tests/support/util.tcl
+
+set ::tlsdir "tests/tls"
+
+# This function sometimes writes sometimes blocking-reads from lists/sorted
+# sets. There are multiple processes like this executing at the same time
+# so that we have some chance to trap some corner condition if there is
+# a regression. For this to happen it is important that we narrow the key
+# space to just a few elements, and balance the operations so that it is
+# unlikely that lists and zsets just get more data without ever causing
+# blocking.
+proc bg_block_op {host port db ops tls} {
+    set r [redis $host $port 0 $tls]
+    $r client setname LOAD_HANDLER
+    $r select $db
+
+    for {set j 0} {$j < $ops} {incr j} {
+
+        # List side
+        set k list_[randomInt 10]
+        set k2 list_[randomInt 10]
+        set v [randomValue]
+
+        randpath {
+            randpath {
+                $r rpush $k $v
+            } {
+                $r lpush $k $v
+            }
+        } {
+            $r blpop $k 2
+        } {
+            $r blpop $k $k2 2
+        }
+
+        # Zset side
+        set k zset_[randomInt 10]
+        set k2 zset_[randomInt 10]
+        set v1 [randomValue]
+        set v2 [randomValue]
+
+        randpath {
+            $r zadd $k [randomInt 10000] $v
+        } {
+            $r zadd $k [randomInt 10000] $v [randomInt 10000] $v2
+        } {
+            $r bzpopmin $k 2
+        } {
+            $r bzpopmax $k 2
+        }
+    }
+}
+
+bg_block_op [lindex $argv 0] [lindex $argv 1] [lindex $argv 2] [lindex $argv 3] [lindex $argv 4]
-- 
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