"istio.io/istio/pkg/test"
	"istio.io/istio/pkg/test/util/tmpl"
)

// ApplyNamespace applies the given namespaces to the resources in the yamlText if not set.
func ApplyNamespace(yamlText, ns string) (string, error) {
	chunks := SplitString(yamlText)

	toJoin := make([]string, 0, len(chunks))
	for _, chunk := range chunks {
		chunk, err := applyNamespace(chunk, ns)
		if err != nil {
			return "", err
		}

metadata:
  name: foo
  namespace: default
---
apiVersion: v1
metadata:
  name: bar
  namespace: default`,
		},
	}
	for _, tt := range cases {
		t.Run(tt.name, func(t *testing.T) {
			got, err := ApplyNamespace(tt.yml, tt.namespace)
			if err != nil {
				t.Fatal(err)
			}
			if got != tt.expected {
				t.Fatalf("expected '%s', got '%s'", tt.expected, got)
			}
		})
	}