Tests: worker channel tests

worker_channel.t

@@ -0,0 +1,93 @@
+#!/usr/bin/perl
+
+# (C) Sergey Kandaurov
+# (C) Nginx, Inc.
+
+# Tests for graceful exit of old worker processes with EMFILE / EMSGSIZE
+# on reading channel aux data.
+
+###############################################################################
+
+use warnings;
+use strict;
+
+use Test::More;
+
+BEGIN { use FindBin; chdir($FindBin::Bin); }
+
+use lib 'lib';
+use Test::Nginx;
+
+###############################################################################
+
+select STDERR; $| = 1;
+select STDOUT; $| = 1;
+
+plan(skip_all => 'win32') if $^O eq 'MSWin32';
+
+my $t = Test::Nginx->new()->has(qw/http/)->plan(2);
+
+$t->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+worker_rlimit_nofile 32;
+
+events {
+}
+
+http {
+    %%TEST_GLOBALS_HTTP%%
+
+    server {
+        listen       127.0.0.1:8080;
+        server_name  localhost;
+
+        location / {
+            add_header X-Pid $pid always;
+        }
+    }
+}
+
+EOF
+
+$t->run();
+
+###############################################################################
+
+TODO: {
+todo_skip 'long test', 2 unless $t->has_version('1.31.5')
+	or $ENV{TEST_NGINX_UNSAFE};
+
+local $TODO = 'not yet' unless $t->has_version('1.31.5');
+
+my ($wpid) = http_get('/') =~ /X-Pid: (\d+)/;
+
+my @s = map {  http("GET", start => 1) } 1 .. 24;
+
+select undef, undef, undef, 0.2;
+
+$t->reload();
+
+select undef, undef, undef, 1.2;
+
+map {  close $_ } @s;
+
+select undef, undef, undef, 0.2;
+
+$t->stop();
+
+# recvmsg() errors are expected
+
+$t->todo_alerts();
+
+my $notice = `grep -F "[notice] $wpid" ${\($t->testdir())}/error.log`;
+my $alerts = `grep -F '[alert]' ${\($t->testdir())}/error.log`;
+
+like($notice, qr/gracefully shutting down/, 'old worker graceful shutdown');
+unlike($alerts, qr/$wpid exited on signal 9/, 'old worker not killed');
+
+}
+
+###############################################################################