forked from OpenFeign/feign
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathJsonDecoderTest.java
More file actions
279 lines (258 loc) · 8.74 KB
/
Copy pathJsonDecoderTest.java
File metadata and controls
279 lines (258 loc) · 8.74 KB
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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
/*
* Copyright © 2012 The Feign Authors (feign@commonhaus.dev)
*
* 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 feign.json;
import static feign.Util.UTF_8;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import feign.Request;
import feign.Response;
import feign.codec.DecodeException;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.time.Clock;
import java.util.Collections;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
class JsonDecoderTest {
private static JSONArray jsonArray;
private static JSONObject jsonObject;
private static Request request;
@BeforeAll
static void setUpClass() {
jsonObject = new JSONObject();
jsonObject.put("a", "b");
jsonObject.put("c", 1);
jsonArray = new JSONArray();
jsonArray.put(jsonObject);
jsonArray.put(123);
request =
Request.create(
Request.HttpMethod.GET,
"/qwerty",
Collections.emptyMap(),
"xyz".getBytes(StandardCharsets.UTF_8),
StandardCharsets.UTF_8,
null);
}
@Test
void decodesArray() throws IOException {
String json = "[{\"a\":\"b\",\"c\":1},123]";
Response response =
Response.builder()
.status(200)
.reason("OK")
.headers(Collections.emptyMap())
.body(json, UTF_8)
.request(request)
.build();
assertThat(jsonArray.similar(new JsonDecoder().decode(response, JSONArray.class))).isTrue();
}
@Test
void decodesObject() throws IOException {
String json = "{\"a\":\"b\",\"c\":1}";
Response response =
Response.builder()
.status(200)
.reason("OK")
.headers(Collections.emptyMap())
.body(json, UTF_8)
.request(request)
.build();
assertThat(jsonObject.similar(new JsonDecoder().decode(response, JSONObject.class))).isTrue();
}
@Test
void decodesString() throws IOException {
String json = "qwerty";
Response response =
Response.builder()
.status(200)
.reason("OK")
.headers(Collections.emptyMap())
.body(json, UTF_8)
.request(request)
.build();
assertThat(new JsonDecoder().decode(response, String.class)).isEqualTo("qwerty");
}
@Test
void notFoundDecodesToEmpty() throws IOException {
Response response =
Response.builder()
.status(404)
.reason("Not found")
.headers(Collections.emptyMap())
.request(request)
.build();
assertThat(((JSONObject) new JsonDecoder().decode(response, JSONObject.class)).isEmpty())
.isTrue();
}
@Test
void nullBodyDecodesToEmpty() throws IOException {
Response response =
Response.builder()
.status(204)
.reason("OK")
.headers(Collections.emptyMap())
.request(request)
.build();
assertThat(((JSONObject) new JsonDecoder().decode(response, JSONObject.class)).isEmpty())
.isTrue();
}
@Test
void nullBodyDecodesToNullString() throws IOException {
Response response =
Response.builder()
.status(204)
.reason("OK")
.headers(Collections.emptyMap())
.request(request)
.build();
assertThat(new JsonDecoder().decode(response, String.class)).isNull();
}
@Test
void emptyBodyDecodesToEmpty() throws IOException {
Response response =
Response.builder()
.status(204)
.reason("OK")
.headers(Collections.emptyMap())
.body("", UTF_8)
.request(request)
.build();
assertThat(((JSONObject) new JsonDecoder().decode(response, JSONObject.class)).isEmpty())
.isTrue();
}
@Test
void unknownTypeThrowsDecodeException() throws IOException {
String json = "[{\"a\":\"b\",\"c\":1},123]";
Response response =
Response.builder()
.status(200)
.reason("OK")
.headers(Collections.emptyMap())
.body(json, UTF_8)
.request(request)
.build();
Exception exception =
assertThrows(DecodeException.class, () -> new JsonDecoder().decode(response, Clock.class));
assertThat(exception.getMessage())
.isEqualTo("class java.time.Clock is not a type supported by this decoder.");
}
@Test
void badJsonThrowsWrappedJSONException() throws IOException {
String json = "{\"a\":\"b\",\"c\":1}";
Response response =
Response.builder()
.status(200)
.reason("OK")
.headers(Collections.emptyMap())
.body(json, UTF_8)
.request(request)
.build();
Exception exception =
assertThrows(
DecodeException.class, () -> new JsonDecoder().decode(response, JSONArray.class));
assertThat(exception.getMessage())
.isEqualTo("A JSONArray text must start with '[' at 1 [character 2 line 1]");
assertThat(exception.getCause() instanceof JSONException).isTrue();
}
@Test
void causedByCommonException() throws IOException {
Response.Body body = mock(Response.Body.class);
when(body.asReader(any()))
.thenThrow(new JSONException("test exception", new Exception("test cause exception")));
Response response =
Response.builder()
.status(200)
.reason("OK")
.headers(Collections.emptyMap())
.body(body)
.request(request)
.build();
Exception exception =
assertThrows(
DecodeException.class, () -> new JsonDecoder().decode(response, JSONArray.class));
assertThat(exception.getMessage()).isEqualTo("test exception");
}
@Test
void causedByIOException() throws IOException {
Response.Body body = mock(Response.Body.class);
when(body.asReader(any()))
.thenThrow(new JSONException("test exception", new IOException("test cause exception")));
Response response =
Response.builder()
.status(200)
.reason("OK")
.headers(Collections.emptyMap())
.body(body)
.request(request)
.build();
Exception exception =
assertThrows(IOException.class, () -> new JsonDecoder().decode(response, JSONArray.class));
assertThat(exception.getMessage()).isEqualTo("test cause exception");
}
@Test
void checkedException() throws IOException {
Response.Body body = mock(Response.Body.class);
when(body.asReader(any())).thenThrow(new IOException("test exception"));
Response response =
Response.builder()
.status(200)
.reason("OK")
.headers(Collections.emptyMap())
.body(body)
.request(request)
.build();
Exception exception =
assertThrows(IOException.class, () -> new JsonDecoder().decode(response, JSONArray.class));
assertThat(exception.getMessage()).isEqualTo("test exception");
}
@Test
void decodesExtendedArray() throws IOException {
String json = "[{\"a\":\"b\",\"c\":1},123]";
Response response =
Response.builder()
.status(200)
.reason("OK")
.headers(Collections.emptyMap())
.body(json, UTF_8)
.request(request)
.build();
assertThat(jsonArray.similar(new JsonDecoder().decode(response, ExtendedJSONArray.class)))
.isTrue();
}
@Test
void decodeExtendedObject() throws IOException {
String json = "{\"a\":\"b\",\"c\":1}";
Response response =
Response.builder()
.status(200)
.reason("OK")
.headers(Collections.emptyMap())
.body(json, UTF_8)
.request(request)
.build();
assertThat(jsonObject.similar(new JsonDecoder().decode(response, ExtendedJSONObject.class)))
.isTrue();
}
static class ExtendedJSONArray extends JSONArray {}
static class ExtendedJSONObject extends JSONObject {}
}