Add tests

.test/tests/templates-resolver-ipv6/run.sh

@@ -0,0 +1,60 @@
+#!/bin/bash
+
+[ "$DEBUG" ] && set -x
+
+set -eo pipefail
+
+# check if we have ipv6 available
+if [ ! -f "/proc/net/if_inet6" ]; then
+    exit 0
+fi
+
+dir="$(dirname "$(readlink -f "$BASH_SOURCE")")"
+
+image="$1"
+
+clientImage='buildpack-deps:buster-curl'
+# ensure the clientImage is ready and available
+if ! docker image inspect "$clientImage" &> /dev/null; then
+	docker pull "$clientImage" > /dev/null
+fi
+
+# Create a new Docker network
+nid="$(docker network create --ipv6 --subnet fd0c:7e57::/64 nginx-test-ipv6-network)"
+trap "docker network rm -f $nid > /dev/null" EXIT
+
+# Create an instance of the container-under-test
+serverImage="$("$HOME/oi/test/tests/image-name.sh" librarytest/nginx-template "$image")"
+"$HOME/oi/test/tests/docker-build.sh" "$dir" "$serverImage" <<EOD
+FROM $image
+COPY dir/server.conf.template /etc/nginx/templates/server.conf.template
+EOD
+cid="$(docker run -d --network $nid -e NGINX_ENTRYPOINT_LOCAL_RESOLVERS=true -e NGINX_MY_SERVER_NAME=example.com "$serverImage")"
+trap "docker rm -vf $cid > /dev/null" EXIT
+
+_request() {
+	local method="$1"
+	shift
+
+	local proto="$1"
+	shift
+
+	local url="${1#/}"
+	shift
+
+	if [ "$(docker inspect -f '{{.State.Running}}' "$cid" 2>/dev/null)" != 'true' ]; then
+		echo >&2 "$image stopped unexpectedly!"
+		( set -x && docker logs "$cid" ) >&2 || true
+		false
+	fi
+
+	docker run --rm \
+		--link "$cid":nginx \
+		"$clientImage" \
+		curl -fsSL -X"$method" --connect-to '::nginx:' "$@" "$proto://example.com/$url"
+}
+
+. "$HOME/oi/test/retry.sh" '[ "$(_request GET / --output /dev/null || echo $?)" != 7 ]'
+
+# Check that we can request /
+_request GET http '/resolver-templates' | grep 'example.com - OK'

.test/tests/templates-resolver-ipv6/server.conf.template

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+resolver ${NGINX_LOCAL_RESOLVERS};
+
+server {
+    listen 80;
+    server_name ${NGINX_MY_SERVER_NAME};
+    default_type text/plain;
+    location = / { return 200 'OK\n'; }
+    location / { return 200 "${NGINX_MY_SERVER_NAME} - OK\n"; }
+}