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	• ema
	Apr 9 2018, 2:43 PM

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	varnishtest "return deliver in vcl_hit (using keep)"

	server s1 {
	rxreq
	txresp -hdr "Cache-Control: s-maxage=2" -hdr "Last-Modified: Tue, 03 Apr 2018 21:35:51 +0200" -hdr "X-Resp-ID: 1"

	rxreq
	txresp -hdr "Cache-Control: s-maxage=2" -hdr "Last-Modified: Tue, 03 Apr 2018 21:35:51 +0200" -hdr "X-Resp-ID: 2"
	} -start

	varnish v1 -vcl+backend {
	sub vcl_backend_response {
	set beresp.grace = 0s;
	set beresp.keep = 5s;
	}

	sub vcl_hit {
	return(deliver);
	}
	} -start

	# First request, cache miss
	client c1 {
	txreq
	rxresp
	expect resp.http.X-Resp-ID == 1
	} -run

	varnish v1 -expect cache_hit == 0
	varnish v1 -expect cache_miss == 1

	# Second request, cache hit
	client c2 {
	txreq
	rxresp
	expect resp.http.X-Resp-ID == 1
	} -run

	varnish v1 -expect cache_hit == 1
	varnish v1 -expect cache_miss == 1

	# Third request waiting 3s to make the 2s ttl expire. This will result in a
	# bgfetch and the stale object being returned. Still considered a cache hit.
	client c3 {
	delay 3
	txreq
	rxresp
	expect resp.http.X-Resp-ID == 1
	} -run

	varnish v1 -expect cache_hit == 2
	varnish v1 -expect cache_miss == 1

	# Fourth request.
	client c4 {
	txreq
	rxresp
	expect resp.http.X-Resp-ID == 2
	} -run

	varnish v1 -expect cache_hit == 3
	varnish v1 -expect cache_miss == 1

	#varnish v1 -expect n_expired == 1