Add test for bug #68442

Add another helper function fpm_display_log

Restore change from c996a989 badly reverted in 8c0cc49

sapi/fpm/tests/002.phpt

@@ -8,12 +8,13 @@ FPM: Startup and connect
 include "include.inc";
 
 $logfile = dirname(__FILE__).'/php-fpm.log.tmp';
+$port = 9000+PHP_INT_SIZE;
 
 $cfg = <<<EOT
 [global]
 error_log = $logfile
 [unconfined]
-listen = 127.0.0.1:9000
+listen = 127.0.0.1:$port
 pm = dynamic
 pm.max_children = 5
 pm.start_servers = 2
@@ -26,7 +27,7 @@ if (is_resource($fpm)) {
     var_dump(fgets($tail));
     var_dump(fgets($tail));
     $i = 0;
-    while (($i++ < 30) && !($fp = @fsockopen('127.0.0.1', 9000))) {
+    while (($i++ < 30) && !($fp = @fsockopen('127.0.0.1', $port))) {
         usleep(10000);
     }
     if ($fp) {

sapi/fpm/tests/003.phpt

@@ -8,12 +8,13 @@ FPM: Test IPv6 support
 include "include.inc";
 
 $logfile = dirname(__FILE__).'/php-fpm.log.tmp';
+$port = 9000+PHP_INT_SIZE;
 
 $cfg = <<<EOT
 [global]
 error_log = $logfile
 [unconfined]
-listen = [::1]:9000
+listen = [::1]:$port
 pm = dynamic
 pm.max_children = 5
 pm.start_servers = 2
@@ -26,7 +27,7 @@ if (is_resource($fpm)) {
     var_dump(fgets($tail));
     var_dump(fgets($tail));
     $i = 0;
-    while (($i++ < 30) && !($fp = fsockopen('[::1]', 9000))) {
+    while (($i++ < 30) && !($fp = fsockopen('[::1]', $port))) {
         usleep(10000);
     }
     if ($fp) {

sapi/fpm/tests/012.phpt

@@ -0,0 +1,79 @@
+--TEST--
+FPM: Test reload configuration (bug #68442)
+--SKIPIF--
+<?php include "skipif.inc"; ?>
+--FILE--
+<?php
+
+include "include.inc";
+
+$logfile = dirname(__FILE__).'/php-fpm.log.tmp';
+$pidfile = dirname(__FILE__).'/php-fpm.pid';
+$port = 9000+PHP_INT_SIZE;
+
+$cfg = <<<EOT
+[global]
+error_log = $logfile
+pid = $pidfile
+[unconfined]
+listen = 127.0.0.1:$port
+ping.path = /ping
+ping.response = pong
+pm = dynamic
+pm.max_children = 5
+pm.start_servers = 2
+pm.min_spare_servers = 1
+pm.max_spare_servers = 3
+EOT;
+
+$fpm = run_fpm($cfg, $tail);
+if (is_resource($fpm)) {
+    fpm_display_log($tail, 2);
+    try {
+		var_dump(strpos(run_request('127.0.0.1', $port), 'pong'));
+		echo "IPv4 ok\n";
+	} catch (Exception $e) {
+		echo "IPv4 error\n";
+	}
+
+	$pid=file_get_contents($pidfile);
+	if ($pid) {
+		exec("kill -USR2 $pid");
+	} else {
+		die("PID not found\n");
+	}
+    fpm_display_log($tail, 5);
+
+    try {
+		var_dump(strpos(run_request('127.0.0.1', $port), 'pong'));
+		echo "IPv4 ok\n";
+	} catch (Exception $e) {
+		echo "IPv4 error\n";
+	}
+
+	proc_terminate($fpm);
+    stream_get_contents($tail);
+    fclose($tail);
+    proc_close($fpm);
+}
+
+?>
+--EXPECTF--
+[%d-%s-%d %d:%d:%d] NOTICE: fpm is running, pid %d
+[%d-%s-%d %d:%d:%d] NOTICE: ready to handle connections
+int(%d)
+IPv4 ok
+[%d-%s-%d %d:%d:%d] NOTICE: Reloading in progress ...
+[%d-%s-%d %d:%d:%d] NOTICE: reloading: %s
+[%d-%s-%d %d:%d:%d] NOTICE: using inherited socket fd=%d, "127.0.0.1:%d"
+[%d-%s-%d %d:%d:%d] NOTICE: fpm is running, pid %d
+[%d-%s-%d %d:%d:%d] NOTICE: ready to handle connections
+int(%d)
+IPv4 ok
+--CLEAN--
+<?php
+    $logfile = dirname(__FILE__).'/php-fpm.log.tmp';
+    @unlink($logfile);
+	$pidfile = dirname(__FILE__).'/php-fpm.pid';
+    @unlink($pidfile);
+?>

sapi/fpm/tests/include.inc

@@ -76,6 +76,16 @@ function run_fpm_till($needle, $config, $max = 10) /* {{{ */
 }
 /* }}} */
 
+function fpm_display_log($tail, $n=1, $ignore='systemd') {
+	while ($n) {
+		$a = fgets($tail);
+		if (empty($ignore) || !strpos($a, $ignore)) {
+			echo $a;
+			$n--;
+		}
+	}
+}
+
 function run_request($host, $port, $uri='/ping', $query='') {
 	require_once 'fcgi.inc';
 	$client = new Adoy\FastCGI\Client($host, $port);