xread with block in scripts can get reply from non empty streams

soloestoy · Oct 11, 2023 · c30adb7 · c30adb7
1 parent 2b36640
commit c30adb7
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/tests/unit/scripting.tcl b/tests/unit/scripting.tcl
@@ -273,8 +273,12 @@ start_server {tags {"scripting"}} {
 
     test {EVAL - Scripts do not block on XREAD with BLOCK option -- non empty stream} {
         r XADD s * a 1
-        run_script {return redis.pcall('xread','BLOCK',0,'STREAMS','s','$')} 0
-    } {}
+        set res [run_script {return redis.pcall('xread','BLOCK',0,'STREAMS','s','$')} 0]
+        assert {$res eq {}}
+
+        set res [run_script {return redis.pcall('xread','BLOCK',0,'STREAMS','s','0-0')} 0]
+        assert {[lrange [lindex $res 0 1 0 1] 0 1] eq {a 1}}
+    }
 
     test {EVAL - Scripts do not block on XREADGROUP with BLOCK option -- non empty stream} {
         r XADD s * b 2