X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/0f3010ab0d076d01b31019d902bfc94ca1e310d3..bad7d097e95ec0735c41f85b50ace65bec6134ae:/tests/support/server.tcl

diff --git a/tests/support/server.tcl b/tests/support/server.tcl
index 40f21925..24fef467 100644
--- a/tests/support/server.tcl
+++ b/tests/support/server.tcl
@@ -1,3 +1,6 @@
+set ::global_overrides {}
+set ::tags {}
+
 proc error_and_quit {config_file error} {
     puts "!!COULD NOT START REDIS-SERVER\n"
     puts "CONFIGURATION:"
@@ -7,31 +10,131 @@ 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 $buf
+        puts "--- press enter to continue ---"
+        gets stdin
+    }
+}
+
 proc kill_server config {
+    # nothing to kill when running against external server
+    if {$::external} return
+
+    # 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]]} {
+                tags {"leaks"} {
+                    test "Check for memory leaks (pid $pid)" {
+                        exec leaks $pid
+                    } {*0 leaks*}
+                }
+            }
         }
     }
 
     # kill server and wait for the process to be totally exited
-    exec kill $pid
-    while 1 {
-        # with a non-zero exit status, the process is gone
-        if {[catch {exec ps -p $pid | grep redis-server} result]} {
-            break
+    while {[is_alive $config]} {
+        if {[incr wait 10] % 1000 == 0} {
+            puts "Waiting for process $pid to exit..."
         }
+        catch {exec kill $pid}
         after 10
     }
+
+    # Check valgrind errors if needed
+    if {$::valgrind} {
+        check_valgrind_errors [dict get $config stderr]
+    }
 }
 
-proc start_server {filename overrides {code undefined}} {
-    set data [split [exec cat "tests/assets/$filename"] "\n"]
+proc is_alive config {
+    set pid [dict get $config pid]
+    if {[catch {exec ps -p $pid} err]} {
+        return 0
+    } else {
+        return 1
+    }
+}
+
+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
+}
+
+# doesn't really belong here, but highly coupled to code in start_server
+proc tags {tags code} {
+    set ::tags [concat $::tags $tags]
+    uplevel 1 $code
+    set ::tags [lrange $::tags 0 end-[llength $tags]]
+}
+
+proc start_server {options {code undefined}} {
+    # If we are runnign against an external server, we just push the
+    # host/port pair in the stack the first time
+    if {$::external} {
+        if {[llength $::servers] == 0} {
+            set srv {}
+            dict set srv "host" $::host
+            dict set srv "port" $::port
+            set client [redis $::host $::port]
+            dict set srv "client" $client
+            $client select 9
+
+            # append the server to the stack
+            lappend ::servers $srv
+        }
+        uplevel 1 $code
+        return
+    }
+
+    # setup defaults
+    set baseconfig "default.conf"
+    set overrides {}
+    set tags {}
+
+    # parse options
+    foreach {option value} $options {
+        switch $option {
+            "config" {
+                set baseconfig $value }
+            "overrides" {
+                set overrides $value }
+            "tags" {
+                set tags $value
+                set ::tags [concat $::tags $value] }
+            default {
+                error "Unknown option $option" }
+        }
+    }
+
+    set data [split [exec cat "tests/assets/$baseconfig"] "\n"]
     set config {}
     foreach line $data {
         if {[string length $line] > 0 && [string index $line 0] ne "#"} {
@@ -48,10 +151,8 @@ 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 {
-        set directive [lrange $override 0 0]
-        set arguments [lrange $override 1 end]
+    # apply overrides from global space and arguments
+    foreach {directive arguments} [concat $::global_overrides $overrides] {
         dict set config $directive $arguments
     }
     
@@ -66,41 +167,31 @@ 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 src/redis-server $config_file > $stdout 2> $stderr &
+        after 2000
+    } else {
+        exec src/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]
     }
     
-    set line [exec head -n1 $stdout]
-    if {[string match {*already in use*} $line]} {
-        error_and_quit $config_file $line
-    }
-
-    while 1 {
-        # check that the server actually started and is ready for connections
-        if {[exec cat $stdout | grep "ready to accept" | wc -l] > 0} {
-            break
-        }
-        after 10
-    }
-
     # find out the pid
-    regexp {^\[(\d+)\]} [exec head -n1 $stdout] _ pid
+    while {![info exists pid]} {
+        regexp {^\[(\d+)\]} [exec head -n1 $stdout] _ pid
+        after 100
+    }
 
-    # create the client object
+    # setup properties to be able to initialize a client object
     set host $::host
     set port $::port
     if {[dict exists $config bind]} { set host [dict get $config bind] }
     if {[dict exists $config port]} { set port [dict get $config port] }
-    set client [redis $host $port]
-
-    # select the right db when we don't have to authenticate
-    if {![dict exists $config requirepass]} {
-        $client select 9
-    }
 
     # setup config dict
     dict set srv "config" $config_file
@@ -109,26 +200,75 @@ proc start_server {filename overrides {code undefined}} {
     dict set srv "port" $port
     dict set srv "stdout" $stdout
     dict set srv "stderr" $stderr
-    dict set srv "client" $client
 
+    # if a block of code is supplied, we wait for the server to become
+    # available, create a client object and kill the server afterwards
     if {$code ne "undefined"} {
+        set line [exec head -n1 $stdout]
+        if {[string match {*already in use*} $line]} {
+            error_and_quit $config_file $line
+        }
+
+        while 1 {
+            # check that the server actually started and is ready for connections
+            if {[exec cat $stdout | grep "ready to accept" | wc -l] > 0} {
+                break
+            }
+            after 10
+        }
+
+        set client [redis $host $port]
+        dict set srv "client" $client
+
+        # select the right db when we don't have to authenticate
+        if {![dict exists $config requirepass]} {
+            $client select 9
+        }
+
         # append the server to the stack
         lappend ::servers $srv
         
         # execute provided block
-        catch { uplevel 1 $code } err
+        set curnum $::testnum
+        if {![catch { uplevel 1 $code } err]} {
+            # zero exit status is good
+            unset err
+        }
+
+        if {$curnum == $::testnum} {
+            # don't check for leaks when no tests were executed
+            dict set srv "skipleaks" 1
+        }
 
         # pop the server object
         set ::servers [lrange $::servers 0 end-1]
         
-        kill_server $srv
-
-        if {[string length $err] > 0} {
-            puts "Error executing the suite, aborting..."
-            puts $err
-            exit 1
+        # allow an exception to bubble up the call chain but still kill this
+        # server, because we want to reuse the ports when the tests are re-run
+        if {[info exists err]} {
+            if {$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
+            }
         }
+
+        set ::tags [lrange $::tags 0 end-[llength $tags]]
+        kill_server $srv
     } else {
+        set ::tags [lrange $::tags 0 end-[llength $tags]]
         set _ $srv
     }
 }