1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.common.gson.internal;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import java.util.List;
import org.junit.Test;
import org.onap.policy.common.gson.JacksonExclusionStrategy;
import org.onap.policy.common.gson.internal.DataAdapterFactory.Data;
public class FieldSerializerTest {
private static final String TEXT_FIELD_NAME = "text";
private static final String LIST_FIELD_NAME = "listField";
private static DataAdapterFactory dataAdapter = new DataAdapterFactory();
private static Gson gson = new GsonBuilder().registerTypeAdapterFactory(dataAdapter)
.setExclusionStrategies(new JacksonExclusionStrategy()).create();
private FieldSerializer ser;
protected String text;
private List<Data> listField;
@Test
public void testAddToTree() throws Exception {
ser = new FieldSerializer(gson, FieldSerializerTest.class.getDeclaredField(TEXT_FIELD_NAME));
// serialize null value first
text = null;
JsonObject json = new JsonObject();
ser.addToTree(this, json);
assertTrue(json.get(TEXT_FIELD_NAME).isJsonNull());
// serialize an actual value
text = "hello";
ser.addToTree(this, json);
assertEquals("hello", json.get(TEXT_FIELD_NAME).getAsString());
/*
* check list field
*/
listField = DataAdapterFactory.makeList();
ser = new FieldSerializer(gson, FieldSerializerTest.class.getDeclaredField(LIST_FIELD_NAME));
dataAdapter.reset();
JsonElement tree = ser.toJsonTree(listField);
assertTrue(dataAdapter.isDataWritten());
assertEquals(DataAdapterFactory.ENCODED_LIST, tree.toString());
}
@Test
public void testAddToTree_GetEx() throws Exception {
ser = new FieldSerializer(gson, FieldSerializerTest.class.getDeclaredField(TEXT_FIELD_NAME)) {
@Override
protected Object getFromObject(Object source) throws IllegalAccessException {
throw new IllegalAccessException("expected exception");
}
};
text = "world";
JsonObject obj = new JsonObject();
assertThatThrownBy(() -> ser.addToTree(this, obj)).isInstanceOf(JsonParseException.class)
.hasMessage(FieldSerializer.GET_ERR + FieldSerializerTest.class.getName() + ".text");
}
}
|
