catch exceptions in the server proc, to be able to kill the entire chain of running...

[redis.git] / tests / support / server.tcl

diff --git a/tests/support/server.tcl b/tests/support/server.tcl
index 8664b9a4305b272f8c4c67b4b4e7d043bdad6155..750d799ab811ad43ea165204c1e3e6fa3b60a464 100644 (file)
--- a/tests/support/server.tcl
+++ b/tests/support/server.tcl
@@ -7,17 +7,33 @@ proc error_and_quit {config_file error} {
     exit 1
 }
 
+proc check_valgrind_errors stderr {
+    set fd [open $stderr]
+    set buf [read $fd]
+    close $fd
+
+    if {![regexp -- {ERROR SUMMARY: 0 errors} $buf] ||
+        ![regexp -- {definitely lost: 0 bytes} $buf]} {
+        puts "*** VALGRIND ERRORS ***"
+        puts $buf
+        puts "--- press enter to continue ---"
+        gets stdin
+    }
+}
+
 proc kill_server config {
     # nevermind if its already dead
     if {![is_alive $config]} { return }
     set pid [dict get $config pid]
 
     # check for leaks
-    catch {
-        if {[string match {*Darwin*} [exec uname -a]]} {
-            test "Check for memory leaks (pid $pid)" {
-                exec leaks $pid
-            } {*0 leaks*}
+    if {![dict exists $config "skipleaks"]} {
+        catch {
+            if {[string match {*Darwin*} [exec uname -a]]} {
+                test "Check for memory leaks (pid $pid)" {
+                    exec leaks $pid
+                } {*0 leaks*}
+            }
         }
     }
 
@@ -26,9 +42,14 @@ proc kill_server config {
         if {[incr wait 10] % 1000 == 0} {
             puts "Waiting for process $pid to exit..."
         }
-        exec kill $pid
+        catch {exec kill $pid}
         after 10
     }
+
+    # Check valgrind errors if needed
+    if {$::valgrind} {
+        check_valgrind_errors [dict get $config stderr]
+    }
 }
 
 proc is_alive config {
@@ -40,6 +61,26 @@ proc is_alive config {
     }
 }
 
+proc ping_server {host port} {
+    set retval 0
+    if {[catch {
+        set fd [socket $::host $::port]
+        fconfigure $fd -translation binary
+        puts $fd "PING\r\n"
+        flush $fd
+        set reply [gets $fd]
+        if {[string range $reply 0 4] eq {+PONG} ||
+            [string range $reply 0 3] eq {-ERR}} {
+            set retval 1
+        }
+        close $fd
+    } e]} {
+        puts "Can't PING server at $host:$port... $e"
+    }
+    return $retval
+}
+
+set ::global_overrides {}
 proc start_server {filename overrides {code undefined}} {
     set data [split [exec cat "tests/assets/$filename"] "\n"]
     set config {}
@@ -58,8 +99,8 @@ proc start_server {filename overrides {code undefined}} {
     # start every server on a different port
     dict set config port [incr ::port]
 
-    # apply overrides from arguments
-    foreach override $overrides {
+    # apply overrides from global space and arguments
+    foreach override [concat $::global_overrides $overrides] {
         set directive [lrange $override 0 0]
         set arguments [lrange $override 1 end]
         dict set config $directive $arguments
@@ -76,16 +117,25 @@ proc start_server {filename overrides {code undefined}} {
 
     set stdout [format "%s/%s" [dict get $config "dir"] "stdout"]
     set stderr [format "%s/%s" [dict get $config "dir"] "stderr"]
-    exec ./redis-server $config_file > $stdout 2> $stderr &
-    after 500
+
+    if {$::valgrind} {
+        exec valgrind ./redis-server $config_file > $stdout 2> $stderr &
+        after 2000
+    } else {
+        exec ./redis-server $config_file > $stdout 2> $stderr &
+        after 500
+    }
     
     # check that the server actually started
-    if {[file size $stderr] > 0} {
+    if {$code ne "undefined" && ![ping_server $::host $::port]} {
         error_and_quit $config_file [exec cat $stderr]
     }
     
     # find out the pid
-    regexp {^\[(\d+)\]} [exec head -n1 $stdout] _ pid
+    while {![info exists pid]} {
+        regexp {^\[(\d+)\]} [exec head -n1 $stdout] _ pid
+        after 100
+    }
 
     # setup properties to be able to initialize a client object
     set host $::host
@@ -134,13 +184,27 @@ proc start_server {filename overrides {code undefined}} {
         # pop the server object
         set ::servers [lrange $::servers 0 end-1]
         
-        kill_server $srv
-
-        if {[string length $err] > 0} {
+        # allow an exception to bubble up the call chain but still kill this
+        # server, because we want to reuse the ports when the tests are re-run
+        if {$err eq "exception"} {
+            puts [format "Logged warnings (pid %d):" [dict get $srv "pid"]]
+            set warnings [warnings_from_file [dict get $srv "stdout"]]
+            if {[string length $warnings] > 0} {
+                puts "$warnings"
+            } else {
+                puts "(none)"
+            }
+            # kill this server without checking for leaks
+            dict set srv "skipleaks" 1
+            kill_server $srv
+            error "exception"
+        } elseif {[string length $err] > 0} {
             puts "Error executing the suite, aborting..."
             puts $err
             exit 1
         }
+
+        kill_server $srv
     } else {
         set _ $srv
     }