Adding a simpler interface for the HTTP request library. (#8862)

test/e2e/framework/httpexpect/value.go

@@ -0,0 +1,33 @@
+/*
+Copyright 2022 The Kubernetes 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 httpexpect
+
+// Value provides methods to inspect attached interface{} object
+// (Go representation of arbitrary JSON value) and cast it to
+// concrete type.
+type Value struct {
+	chain chain
+	value interface{}
+}
+
+func (v *Value) String() *String {
+	data, ok := v.value.(string)
+	if !ok {
+		v.chain.fail("\nexpected string value, but got:\n%s", dumpValue(v.value))
+	}
+	return &String{v.chain, data}
+}