2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2022 Nordix Foundation
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.cps.utils
23 import com.google.gson.stream.JsonReader
24 import org.onap.cps.TestUtils
25 import spock.lang.Specification
27 class GsonSpec extends Specification {
29 def 'Iterate over JSON data with gson JsonReader'() {
30 given: 'json data with two objects and JSON reader'
31 def jsonData = TestUtils.getResourceFileContent('multiple-object-data.json')
32 def objectUnderTest = new JsonReader(new StringReader(jsonData));
33 when: 'data is iterated over with JsonReader methods'
34 iterateWithJsonReader(objectUnderTest)
35 then: 'no exception is thrown'
39 def iterateWithJsonReader(JsonReader jsonReader) {
40 switch(jsonReader.peek()) {
42 print(jsonReader.nextString() + " ")
45 jsonReader.beginObject();
46 while (jsonReader.hasNext()) {
47 print(jsonReader.nextName() + " ")
48 iterateWithJsonReader(jsonReader)
50 jsonReader.endObject();