From f8c283b855eadc18c8f531a8bb2363a4050c9436 Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Mon, 9 Nov 2009 12:27:40 -0800
Subject: tests: ensure proper accounting of worker_connections

Counting worker connections is easy-to-forget when implementing
new concurrency models and forgetting to do it means new clients
cannot be accepted.  Fortunately some concurrency models tend
to do it for us.
---
 t/t0008-ensure-usable-after-limit.sh | 78 ++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100755 t/t0008-ensure-usable-after-limit.sh

diff --git a/t/t0008-ensure-usable-after-limit.sh b/t/t0008-ensure-usable-after-limit.sh
new file mode 100755
index 0000000..d5c2e79
--- /dev/null
+++ b/t/t0008-ensure-usable-after-limit.sh
@@ -0,0 +1,78 @@
+#!/bin/sh
+. ./test-lib.sh
+
+t_plan 6 "ensure we're accounting worker_connections properly"
+nr=2
+
+t_begin "setup" && {
+	rtmpfiles a b c d
+	rainbows_setup $model $nr
+	rainbows -D sha1.ru -c $unicorn_config
+	rainbows_wait_start
+}
+
+null_sha1=da39a3ee5e6b4b0d3255bfef95601890afd80709
+
+t_begin "fire off concurrent processes" && {
+
+	req='POST / HTTP/1.1\r\n'
+	req="$req"'Host: example.com\r\n'
+	req="$req"'Transfer-Encoding: chunked\r\n\r\n'
+
+	for i in a b c d
+	do
+		rtmpfiles ${i}_fifo ${i}_tmp
+		eval 'i_fifo=$'${i}_fifo
+		eval 'i_tmp=$'${i}_tmp
+		eval "i=$"$i
+		(
+			(
+				cat $i_fifo > $i_tmp &
+				# need a full HTTP request to get around
+				# httpready
+				printf "$req"
+				sleep 5
+				printf '0\r\n\r\n'
+				wait
+				echo ok > $i
+			) | socat - TCP:$listen > $i_fifo
+		) &
+	done
+	wait
+}
+
+t_begin "check results" && {
+	for i in a b c d
+	do
+		eval 'i_tmp=$'${i}_tmp
+		eval "i=$"$i
+		test xok = x$(cat $i)
+		test x$null_sha1 = x$(tail -1 $i_tmp)
+	done
+}
+
+t_begin "repeat concurrent tests with faster clients" && {
+	for i in a b c d
+	do
+		eval 'i_tmp=$'${i}_tmp
+		eval "i=$"$i
+		curl -sSf -T- </dev/null http://$listen/ > $i 2> $i_tmp &
+	done
+	wait
+}
+
+t_begin "check results" && {
+	for i in a b c d
+	do
+		eval 'i_tmp=$'${i}_tmp
+		eval "i=$"$i
+		test ! -s $i_tmp
+		test x$null_sha1 = x$(cat $i)
+	done
+}
+
+t_begin "teardown" && {
+	kill $rainbows_pid
+}
+
+t_done
-- 
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