A more lightweight implementation of issue 141 regression test.

tests/integration/replication.tcl

@@ -82,12 +82,11 @@ start_server {tags {"repl"}} {
     set master_host [srv 0 host]
     set master_port [srv 0 port]
     set slaves {}
-    set load_handle0 [start_write_load $master_host $master_port 20]
-    set load_handle1 [start_write_load $master_host $master_port 20]
+    set load_handle0 [start_write_load $master_host $master_port 3]
+    set load_handle1 [start_write_load $master_host $master_port 5]
     set load_handle2 [start_write_load $master_host $master_port 20]
-    set load_handle3 [start_write_load $master_host $master_port 20]
-    set load_handle4 [start_write_load $master_host $master_port 20]
-    after 2000
+    set load_handle3 [start_write_load $master_host $master_port 8]
+    set load_handle4 [start_write_load $master_host $master_port 4]
     start_server {} {
         lappend slaves [srv 0 client]
         start_server {} {
@@ -95,6 +94,7 @@ start_server {tags {"repl"}} {
             start_server {} {
                 lappend slaves [srv 0 client]
                 test "Connect multiple slaves at the same time (issue #141)" {
+                    # Send SALVEOF commands to slaves
                     [lindex $slaves 0] slaveof $master_host $master_port
                     [lindex $slaves 1] slaveof $master_host $master_port
                     [lindex $slaves 2] slaveof $master_host $master_port
@@ -113,16 +113,33 @@ start_server {tags {"repl"}} {
                     if {$retry == 0} {
                         error "assertion:Slaves not correctly synchronized"
                     }
+
+                    # Stop the write load
                     stop_write_load $load_handle0
                     stop_write_load $load_handle1
                     stop_write_load $load_handle2
                     stop_write_load $load_handle3
                     stop_write_load $load_handle4
-                    set retry 10
-                    while {$retry && ([$master debug digest] ne [[lindex $slaves 0] debug digest])} {
-                        after 1000
-                        incr retry -1
+
+                    # Wait that slaves exit the "loading" state
+                    wait_for_condition 500 100 {
+                        ![string match {*loading:1*} [[lindex $slaves 0] info]] &&
+                        ![string match {*loading:1*} [[lindex $slaves 1] info]] &&
+                        ![string match {*loading:1*} [[lindex $slaves 2] info]]
+                    } else {
+                        fail "Slaves still loading data after too much time"
                     }
+
+                    # Make sure that slaves and master have same number of keys
+                    wait_for_condition 500 100 {
+                        [$master dbsize] == [[lindex $slaves 0] dbsize] &&
+                        [$master dbsize] == [[lindex $slaves 1] dbsize] &&
+                        [$master dbsize] == [[lindex $slaves 2] dbsize]
+                    } else {
+                        fail "Different number of keys between masted and slave after too long time."
+                    }
+
+                    # Check digests
                     set digest [$master debug digest]
                     set digest0 [[lindex $slaves 0] debug digest]
                     set digest1 [[lindex $slaves 1] debug digest]
@@ -131,10 +148,6 @@ start_server {tags {"repl"}} {
                     assert {$digest eq $digest0}
                     assert {$digest eq $digest1}
                     assert {$digest eq $digest2}
-                    #puts [$master dbsize]
-                    #puts [[lindex $slaves 0] dbsize]
-                    #puts [[lindex $slaves 1] dbsize]
-                    #puts [[lindex $slaves 2] dbsize]
                 }
            }
         }