1 files changed, 61 insertions, 0 deletions
diff --git a/src/k8splugin/internal/statuscheck/resource_test.go b/src/k8splugin/internal/statuscheck/resource_test.go
new file mode 100644
index 00000000..532cebfd
--- /dev/null
+++ b/src/k8splugin/internal/statuscheck/resource_test.go
@@ -0,0 +1,61 @@
+/*
+Copyright The Helm Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package statuscheck // import "helm.sh/helm/v3/pkg/kube"
+
+import (
+	"testing"
+
+	"k8s.io/apimachinery/pkg/api/meta"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/cli-runtime/pkg/resource"
+)
+
+func TestResourceList(t *testing.T) {
+	mapping := &meta.RESTMapping{
+		Resource: schema.GroupVersionResource{Group: "group", Version: "version", Resource: "pod"},
+	}
+
+	info := func(name string) *resource.Info {
+		return &resource.Info{Name: name, Mapping: mapping}
+	}
+
+	var r1, r2 ResourceList
+	r1 = []*resource.Info{info("foo"), info("bar")}
+	r2 = []*resource.Info{info("bar")}
+
+	if r1.Get(info("bar")).Mapping.Resource.Resource != "pod" {
+		t.Error("expected get pod")
+	}
+
+	diff := r1.Difference(r2)
+	if len(diff) != 1 {
+		t.Error("expected 1 result")
+	}
+
+	if !diff.Contains(info("foo")) {
+		t.Error("expected diff to return foo")
+	}
+
+	inter := r1.Intersect(r2)
+	if len(inter) != 1 {
+		t.Error("expected 1 result")
+	}
+
+	if !inter.Contains(info("bar")) {
+		t.Error("expected intersect to return bar")
+	}
+}