mv mutiplepath_test, nullvalues_test to api/krusty/, Provide another high level example.

api/krusty/nullvalues_test.go

@@ -0,0 +1,62 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package krusty_test
+
+import (
+	"testing"
+)
+
+func TestNullValues(t *testing.T) {
+	th := makeTestHarness(t)
+	th.WriteF("/app/deployment.yaml", `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: example
+  name: example
+spec:
+  selector:
+    matchLabels:
+      app: example
+  template:
+    metadata:
+      labels:
+        app: example
+    spec:
+      containers:
+      - args: null
+        image: image
+        name: example
+`)
+	th.WriteF("/app/kustomization.yaml", `
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+- deployment.yaml
+`)
+	m := th.Run("/app", th.MakeDefaultOptions())
+
+	th.AssertActualEqualsExpected(m, `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: example
+  name: example
+spec:
+  selector:
+    matchLabels:
+      app: example
+  template:
+    metadata:
+      labels:
+        app: example
+    spec:
+      containers:
+      - args: null
+        image: image
+        name: example
+`)
+}