Testing framework fixes and improvements backported from 2.6.

tests/support/redis.tcl

@@ -142,9 +142,15 @@ proc ::redis::redis_multi_bulk_read fd {
     set count [redis_read_line $fd]
     if {$count == -1} return {}
     set l {}
+    set err {}
     for {set i 0} {$i < $count} {incr i} {
+        if {[catch {
             lappend l [redis_read_reply $fd]
+        } e] && $err eq {}} {
+            set err $e
         }
+    }
+    if {$err ne {}} {return -code error $err}
     return $l
 }
 
@@ -160,7 +166,7 @@ proc ::redis::redis_read_reply fd {
         - {return -code error [redis_read_line $fd]}
         $ {redis_bulk_read $fd}
         * {redis_multi_bulk_read $fd}
-        default {return -code error "Bad protocol, $type as reply type byte"}
+        default {return -code error "Bad protocol, '$type' as reply type byte"}
     }
 }
 

tests/support/server.tcl

@@ -2,13 +2,14 @@ set ::global_overrides {}
 set ::tags {}
 set ::valgrind_errors {}
 
-proc error_and_quit {config_file error} {
-    puts "!!COULD NOT START REDIS-SERVER\n"
-    puts "CONFIGURATION:"
-    puts [exec cat $config_file]
-    puts "\nERROR:"
-    puts [string trim $error]
-    exit 1
+proc start_server_error {config_file error} {
+    set err {}
+    append err "Cant' start the Redis server\n"
+    append err "CONFIGURATION:"
+    append err [exec cat $config_file]
+    append err "\nERROR:"
+    append err [string trim $error]
+    send_data_packet $::test_server_fd err $err
 }
 
 proc check_valgrind_errors stderr {
@@ -16,7 +17,7 @@ proc check_valgrind_errors stderr {
     set buf [read $fd]
     close $fd
 
-    if {![regexp -- {ERROR SUMMARY: 0 errors} $buf] ||
+    if {[regexp -- { at 0x} $buf] ||
         (![regexp -- {definitely lost: 0 bytes} $buf] &&
          ![regexp -- {no leaks are possible} $buf])} {
         send_data_packet $::test_server_fd err "Valgrind error: $buf\n"
@@ -45,11 +46,16 @@ proc kill_server config {
     }
 
     # kill server and wait for the process to be totally exited
+    catch {exec kill $pid}
     while {[is_alive $config]} {
-        if {[incr wait 10] % 1000 == 0} {
+        incr wait 10
+
+        if {$wait >= 5000} {
+            puts "Forcing process $pid to exit..."
+            catch {exec kill -KILL $pid}
+        } elseif {$wait % 1000 == 0} {
             puts "Waiting for process $pid to exit..."
         }
-        catch {exec kill $pid}
         after 10
     }
 
@@ -175,14 +181,14 @@ proc start_server {options {code undefined}} {
     set stderr [format "%s/%s" [dict get $config "dir"] "stderr"]
 
     if {$::valgrind} {
-        exec valgrind --suppressions=src/valgrind.sup src/redis-server $config_file > $stdout 2> $stderr &
+        exec valgrind --suppressions=src/valgrind.sup --show-reachable=no --show-possibly-lost=no --leak-check=full src/redis-server $config_file > $stdout 2> $stderr &
     } else {
         exec src/redis-server $config_file > $stdout 2> $stderr &
     }
     
     # check that the server actually started
     # ugly but tries to be as fast as possible...
-    set retrynum 100
+    if {$::valgrind} {set retrynum 1000} else {set retrynum 100}
     set serverisup 0
 
     if {$::verbose} {
@@ -209,7 +215,10 @@ proc start_server {options {code undefined}} {
     }
 
     if {!$serverisup} {
-        error_and_quit $config_file [exec cat $stderr]
+        set err {}
+        append err [exec cat $stdout] "\n" [exec cat $stderr]
+        start_server_error $config_file $err
+        return
     }
     
     # find out the pid
@@ -243,7 +252,7 @@ proc start_server {options {code undefined}} {
 
         while 1 {
             # check that the server actually started and is ready for connections
-            if {[exec cat $stdout | grep "ready to accept" | wc -l] > 0} {
+            if {[exec grep "ready to accept" | wc -l < $stdout] > 0} {
                 break
             }
             after 10

tests/support/test.tcl

@@ -3,6 +3,10 @@ set ::num_passed 0
 set ::num_failed 0
 set ::tests_failed {}
 
+proc fail {msg} {
+    error "assertion:$msg"
+}
+
 proc assert {condition} {
     if {![uplevel 1 [list expr $condition]]} {
         error "assertion:Expected condition '$condition' to be true ([uplevel 1 [list subst -nocommands $condition]])"
@@ -44,6 +48,19 @@ proc assert_type {type key} {
     assert_equal $type [r type $key]
 }
 
+# Wait for the specified condition to be true, with the specified number of
+# max retries and delay between retries. Otherwise the 'elsescript' is
+# executed.
+proc wait_for_condition {maxtries delay e _else_ elsescript} {
+    while {[incr maxtries -1] >= 0} {
+        if {[uplevel 1 [list expr $e]]} break
+        after $delay
+    }
+    if {$maxtries == -1} {
+        uplevel 1 $elsescript
+    }
+}
+
 # Test if TERM looks like to support colors
 proc color_term {} {
     expr {[info exists ::env(TERM)] && [string match *xterm* $::env(TERM)]}

tests/support/util.tcl

@@ -294,3 +294,7 @@ proc csvdump r {
 proc csvstring s {
     return "\"$s\""
 }
+
+proc roundFloat f {
+    format "%.10g" $f
+}