[master] 6094e3ffb test changing the path of a uds backend

[Nils Goroll]

commit 6094e3ffb855513200a0afd89e1e7e71a1beead3
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Mon Nov 2 10:52:39 2020 +0100

    test changing the path of a uds backend
    
    complement the existing c88 test with changing the path of a backend.

diff --git a/bin/varnishtest/tests/c00088.vtc b/bin/varnishtest/tests/c00088.vtc
index d95477eae..1fe0b768e 100644
--- a/bin/varnishtest/tests/c00088.vtc
+++ b/bin/varnishtest/tests/c00088.vtc
@@ -1,4 +1,4 @@
-varnishtest "Dropping polling of a backend that listens at UDS"
+varnishtest "Change UDS backend: change path, drop poll"
 
 server s1 -listen "${tmpdir}/s1.sock" {
 	non_fatal
@@ -10,6 +10,16 @@ server s1 -listen "${tmpdir}/s1.sock" {
 	}
 } -start
 
+server s2 -listen "${tmpdir}/s2.sock" {
+	non_fatal
+	timeout 3
+	loop 40 {
+		rxreq
+		txresp
+		accept
+	}
+} -start
+
 varnish v1 -vcl {
 	probe default {
 		.window = 8;
@@ -18,13 +28,31 @@ varnish v1 -vcl {
 		.interval = 0.1s;
 	}
 	backend s1 {
-		.path = "${s1_sock}";
+		.path = "${s2_sock}";
 	}
 } -start
 
 delay 1
 
-varnish v1 -vcl+backend { } -cliok "vcl.use vcl2" -cliok "vcl.discard vcl1"
+varnish v1 -vcl {
+	probe default {
+		.window = 8;
+		.initial = 7;
+		.threshold = 8;
+		.interval = 0.1s;
+	}
+	backend s1 {
+		.path = "${s1_sock}";
+	}
+} -cliok "vcl.use vcl2" -cliok "vcl.discard vcl1"
+
+delay 1
+
+varnish v1 -vcl {
+	backend s1 {
+		.path = "${s1_sock}";
+	}
+} -cliok "vcl.use vcl3" -cliok "vcl.discard vcl2"
 
 delay 1