Add cleanup function to test scripts (#863)

test/tests/test_backend_poolmgr.sh

@@ -4,6 +4,18 @@ set -euo pipefail
 
 ROOT=$(dirname $0)/../.. 
 
+cleanup() {
+    log "Cleaning up..."
+    fission env delete --name nodejs || true
+    fission fn delete --name $fn || true
+}
+
+if [ -z "${TEST_NOCLEANUP:-}" ]; then
+    trap cleanup EXIT
+else
+    log "TEST_NOCLEANUP is set; not cleaning up test artifacts afterwards."
+fi
+
 fn=nodejs-hello-$(date +%N)
 
 # Create a hello world function in nodejs, test it with an http trigger
@@ -12,11 +24,9 @@ fission env delete --name nodejs || true
 
 log "Creating nodejs env"
 fission env create --name nodejs --image fission/node-env --mincpu 20 --maxcpu 100 --minmemory 128 --maxmemory 256
-trap "fission env delete --name nodejs" EXIT
 
 log "Creating function"
 fission fn create --name $fn --env nodejs --code $ROOT/examples/nodejs/hello.js --executortype poolmgr
-trap "fission fn delete --name $fn" EXIT
 
 log "Creating route"
 fission route create --function $fn --url /$fn --method GET
@@ -33,4 +43,4 @@ echo $response | grep -i hello
 # crappy cleanup, improve this later
 kubectl get httptrigger -o name | tail -1 | cut -f2 -d'/' | xargs kubectl delete httptrigger
 
-log "Poolmgr ExecutorType: All done."
+log "Poolmgr ExecutorType: All done."