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

test/e2e/framework/httpexpect/array.go

@@ -0,0 +1,36 @@
+/*
+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
+
+// Array provides methods to inspect attached []interface{} object
+// (Go representation of JSON array).
+type Array struct {
+	chain chain
+	value []interface{}
+}
+
+// Iter returns a new slice of Values attached to array elements.
+func (a *Array) Iter() []Value {
+	if a.chain.failed() {
+		return []Value{}
+	}
+	ret := []Value{}
+	for n := range a.value {
+		ret = append(ret, Value{a.chain, a.value[n]})
+	}
+	return ret
+}