Add some basic and apparmor tests to fpm

run-tests.php

@@ -838,7 +838,7 @@ $exts_skipped = 0;
 $ignored_by_ext = 0;
 sort($exts_to_test);
 $test_dirs = array();
-$optionals = array('tests', 'ext', 'Zend', 'ZendEngine2', 'sapi/cli', 'sapi/cgi');
+$optionals = array('tests', 'ext', 'Zend', 'ZendEngine2', 'sapi/cli', 'sapi/cgi', 'sapi/fpm');
 
 foreach($optionals as $dir) {
 	if (@filetype($dir) == 'dir') {

sapi/fpm/tests/001.phpt

@@ -0,0 +1,21 @@
+--TEST--
+FPM: version string
+--SKIPIF--
+<?php include "skipif.inc"; ?>
+--FILE--
+<?php
+
+include "include.inc";
+
+$php = get_fpm_path();
+
+var_dump(`$php -n -v`);
+
+echo "Done\n";
+?>
+--EXPECTF--
+string(%d) "PHP %s (fpm%s (built: %s
+Copyright (c) 1997-20%s The PHP Group
+Zend Engine v%s, Copyright (c) 1998-20%s Zend Technologies
+"
+Done

sapi/fpm/tests/002.phpt

@@ -0,0 +1,53 @@
+--TEST--
+FPM: Startup and connect
+--SKIPIF--
+<?php include "skipif.inc"; ?>
+--FILE--
+<?php
+
+include "include.inc";
+
+$logfile = dirname(__FILE__).'/php-fpm.log.tmp';
+
+$cfg = <<<EOT
+[global]
+error_log = $logfile
+[unconfined]
+listen = 127.0.0.1:9000
+pm = dynamic
+pm.max_children = 5
+pm.start_servers = 2
+pm.min_spare_servers = 1
+pm.max_spare_servers = 3
+EOT;
+
+$fpm = run_fpm($cfg, $tail);
+if (is_resource($fpm)) {
+    var_dump(fgets($tail));
+    var_dump(fgets($tail));
+    $i = 0;
+    while (($i++ < 30) && !($fp = @fsockopen('127.0.0.1', 9000))) {
+        usleep(10000);
+    }
+    if ($fp) {
+        echo "Done\n";
+        fclose($fp);
+    }
+    proc_terminate($fpm);
+    stream_get_contents($tail);
+    fclose($tail);
+    proc_close($fpm);
+}
+
+?>
+--EXPECTF--
+string(%d) "[%d-%s-%d %d:%d:%d] NOTICE: fpm is running, pid %d
+"
+string(%d) "[%d-%s-%d %d:%d:%d] NOTICE: ready to handle connections
+"
+Done
+--CLEAN--
+<?php
+    $logfile = dirname(__FILE__).'/php-fpm.log.tmp';
+    @unlink($logfile);
+?>

sapi/fpm/tests/apparmor.phpt

@@ -0,0 +1,54 @@
+--TEST--
+FPM: Apparmor Test
+--DESCRIPTION--
+This test tries to launches a pool which tries to change to non existing
+apparmor hat a. Test succeeds if apparmor is not running or hat is non
+existant.
+--SKIPIF--
+<?php
+include "skipif.inc";
+include "skipapparmor.inc";
+
+?>
+--FILE--
+<?php
+
+include "include.inc";
+
+$logfile = dirname(__FILE__).'/php-fpm.log.tmp';
+
+$cfg = <<<EOT
+[global]
+error_log = $logfile
+[a]
+listen = 127.0.0.1:9001
+pm = dynamic
+pm.max_children = 5
+pm.start_servers = 2
+pm.min_spare_servers = 1
+pm.max_spare_servers = 3
+apparmor_hat = a
+EOT;
+
+/* libapparmor has a bug which can cause SIGSEGV till Version 2.8.0-0ubuntu28
+   See https://bugs.launchpad.net/apparmor/+bug/1196880
+   Possible outcomes:
+
+   - SIGSEGV|failed to query apparmor confinement
+     apparmor not running
+   - failed to change to new confinement
+     something in apparmor went wrong
+   - exited with code 70
+     Change to successful; Hat not existant (Process gets killed by apparmor)
+ */
+var_dump(run_fpm_till('/(SIGSEGV|failed to query apparmor confinement|failed to change to new confinement|exited with code 70)/', $cfg));
+
+?>
+--EXPECTF--
+string(%d) "%s
+"
+--CLEAN--
+<?php
+    $logfile = dirname(__FILE__).'/php-fpm.log.tmp';
+    @unlink($logfile);
+?>

sapi/fpm/tests/include.inc

@@ -0,0 +1,79 @@
+<?php
+
+function get_fpm_path() /* {{{ */
+{
+	$php_path = getenv("TEST_PHP_EXECUTABLE");
+
+	for ($i = 0; $i < 2; $i++) {
+		$slash_pos = strrpos($php_path, "/");
+		if ($slash_pos) {
+			$php_path = substr($php_path, 0, $slash_pos);
+		} else {
+			return false;
+		}
+	}
+
+	if ($php_path && is_dir($php_path) && file_exists($php_path."/fpm/php-fpm") && is_executable($php_path."/fpm/php-fpm")) { 
+		/* gotcha */
+		return $php_path."/fpm/php-fpm";
+	}
+	return false;
+}
+/* }}} */
+
+function run_fpm($config, &$out = false, $extra_args = '') /* {{{ */
+{
+    $cfg = dirname(__FILE__).'/test-fpm-config.tmp';
+    file_put_contents($cfg, $config);
+    $desc = [];
+    if ($out !== false) {
+        $desc = [1 => array('pipe', 'w')];
+    }
+    /* Since it's not possible to spawn a process under linux without using a
+     * shell in php (why?!?) we need a little shell trickery, so that we can
+     * actually kill php-fpm */
+    $fpm = proc_open('killit () { kill $child; }; trap killit TERM; '.get_fpm_path().' -F -O -y '.$cfg.' '.$extra_args.' 2>&1 & child=$!; wait', $desc, $pipes);
+    register_shutdown_function(
+            function($fpm) use($cfg) {
+                    @unlink($cfg);
+                    if (is_resource($fpm)) {
+                        @proc_terminate($fpm);
+                        while (proc_get_status($fpm)['running']) {
+                            usleep(10000);
+                        }
+                    }
+            },
+                    $fpm
+            );
+    if ($out !== false) {
+        $out = $pipes[1];
+    }
+    return $fpm;
+}
+/* }}} */
+
+function run_fpm_till($needle, $config, $max = 10) /* {{{ */
+{
+    $i = 0;
+    $fpm = run_fpm($config, $tail);
+    if (is_resource($fpm)) {
+        while($i < $max) {
+            $i++;
+            $line = fgets($tail);
+            if(preg_match($needle, $line) === 1) {
+                break;
+            }
+        }
+        if ($i >= $max) {
+            $line = false;
+        }
+        proc_terminate($fpm);
+        stream_get_contents($tail);
+        fclose($tail);
+        proc_close($fpm);
+    }
+    return $line;
+}
+/* }}} */
+
+?>

sapi/fpm/tests/skipapparmor.inc

@@ -0,0 +1,30 @@
+<?php
+
+$logfile = dirname(__FILE__).'/php-fpm.log.tmp';
+$cfg = <<<EOT
+[global]
+error_log = $logfile
+[a]
+listen = 127.0.0.1:9001
+pm = dynamic
+pm.max_children = 5
+pm.start_servers = 2
+pm.min_spare_servers = 1
+pm.max_spare_servers = 3
+apparmor_hat = a
+EOT;
+
+$fpm = run_fpm($cfg, $out, '-t');
+$ok = false;
+if (is_resource($fpm)) {
+    if (strpos(stream_get_contents($out), "test is successful") !== FALSE) {
+        $ok = true;
+    }
+    fclose($out);
+    proc_close($fpm);
+}
+if (!$ok) {
+    die("skip No apparmor support built in");
+}
+
+?>

sapi/fpm/tests/skipif.inc

@@ -0,0 +1,13 @@
+<?php
+
+if (substr(PHP_OS, 0, 3) == 'WIN') {
+	die ("skip not for Windows");
+}
+
+include dirname(__FILE__)."/include.inc";
+
+if (!get_fpm_path()) {
+	die("skip FPM not found");
+}
+
+?>