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Changes wrt #586 so test avoids modifying ObjectMapper during tests (won't work with 3.0)
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-85
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‎src/test/java/com/fasterxml/jackson/dataformat/xml/lists/StringListRoundtripTest.java

Lines changed: 61 additions & 85 deletions
Original file line numberDiff line numberDiff line change
@@ -7,6 +7,7 @@
77
import org.junit.Test;
88

99
import com.fasterxml.jackson.core.type.TypeReference;
10+
import com.fasterxml.jackson.databind.ObjectMapper;
1011
import com.fasterxml.jackson.dataformat.xml.XmlMapper;
1112

1213
import static com.fasterxml.jackson.dataformat.xml.deser.FromXmlParser.Feature.PROCESS_XSI_NIL;
@@ -18,37 +19,42 @@
1819

1920
// [dataformat-xml#584]
2021
public class StringListRoundtripTest {
21-
private final static XmlMapper MAPPER = new XmlMapper();
22-
2322
private final static String[] TEST_DATA = new String[] {"", "test", null, "test2"};
2423

25-
@Test
24+
private final static XmlMapper MAPPER_READ_WRITE_NULLS = XmlMapper.builder()
25+
.enable(PROCESS_XSI_NIL)
26+
.enable(WRITE_NULLS_AS_XSI_NIL)
27+
.build();
28+
private final static XmlMapper MAPPER_READ_NULLS = XmlMapper.builder()
29+
.enable(PROCESS_XSI_NIL)
30+
.disable(WRITE_NULLS_AS_XSI_NIL)
31+
.build();
32+
private final static XmlMapper MAPPER_WRITE_NULLS = XmlMapper.builder()
33+
.disable(PROCESS_XSI_NIL)
34+
.enable(WRITE_NULLS_AS_XSI_NIL)
35+
.build();
36+
37+
@Test
2638
public void testStringArray() throws Exception
2739
{
2840
// default mode, should get back empty string
29-
MAPPER.disable(WRITE_NULLS_AS_XSI_NIL);
30-
MAPPER.enable(PROCESS_XSI_NIL);
31-
stringArrayRoundtrip(false);
41+
_stringArrayRoundtrip(MAPPER_READ_NULLS, false);
3242

3343
// xsi null enabled, should get back null
34-
MAPPER.enable(WRITE_NULLS_AS_XSI_NIL);
35-
MAPPER.enable(PROCESS_XSI_NIL);
36-
stringArrayRoundtrip(true);
44+
_stringArrayRoundtrip(MAPPER_READ_WRITE_NULLS, true);
3745

3846
// xsi null write enabled but processing disabled, should get back empty string
39-
MAPPER.enable(WRITE_NULLS_AS_XSI_NIL);
40-
MAPPER.disable(PROCESS_XSI_NIL);
41-
stringArrayRoundtrip(false);
47+
_stringArrayRoundtrip(MAPPER_WRITE_NULLS, false);
4248
}
4349

44-
private void stringArrayRoundtrip(boolean shouldBeNull) throws Exception
50+
private void _stringArrayRoundtrip(ObjectMapper mapper, boolean shouldBeNull) throws Exception
4551
{
4652
// serialize to string
47-
String xml = MAPPER.writeValueAsString(TEST_DATA);
53+
String xml = mapper.writeValueAsString(TEST_DATA);
4854
assertNotNull(xml);
4955

5056
// then bring it back
51-
String[] result = MAPPER.readValue(xml, String[].class);
57+
String[] result = mapper.readValue(xml, String[].class);
5258
assertEquals(4, result.length);
5359
assertEquals("", result[0]);
5460
assertEquals("test", result[1]);
@@ -66,32 +72,26 @@ private void stringArrayRoundtrip(boolean shouldBeNull) throws Exception
6672
public void testStringArrayPojo() throws Exception
6773
{
6874
// default mode, should get back empty string
69-
MAPPER.disable(WRITE_NULLS_AS_XSI_NIL);
70-
MAPPER.enable(PROCESS_XSI_NIL);
71-
stringArrayPojoRoundtrip(false);
75+
_stringArrayPojoRoundtrip(MAPPER_READ_NULLS, false);
7276

7377
// xsi null enabled, should get back null
74-
MAPPER.enable(WRITE_NULLS_AS_XSI_NIL);
75-
MAPPER.enable(PROCESS_XSI_NIL);
76-
stringArrayPojoRoundtrip(true);
78+
_stringArrayPojoRoundtrip(MAPPER_READ_WRITE_NULLS, true);
7779

7880
// xsi null write enabled but processing disabled, should get back empty string
79-
MAPPER.enable(WRITE_NULLS_AS_XSI_NIL);
80-
MAPPER.disable(PROCESS_XSI_NIL);
81-
stringArrayPojoRoundtrip(false);
81+
_stringArrayPojoRoundtrip(MAPPER_WRITE_NULLS, false);
8282
}
8383

84-
private void stringArrayPojoRoundtrip(boolean shouldBeNull) throws Exception
84+
private void _stringArrayPojoRoundtrip(ObjectMapper mapper, boolean shouldBeNull) throws Exception
8585
{
8686
ArrayPojo arrayPojo = new ArrayPojo();
8787
arrayPojo.setArray(TEST_DATA);
8888

8989
// serialize to string
90-
String xml = MAPPER.writeValueAsString(arrayPojo);
90+
String xml = mapper.writeValueAsString(arrayPojo);
9191
assertNotNull(xml);
9292

9393
// then bring it back
94-
ArrayPojo result = MAPPER.readValue(xml, ArrayPojo.class);
94+
ArrayPojo result = mapper.readValue(xml, ArrayPojo.class);
9595
assertEquals(4, result.array.length);
9696
assertEquals("", result.array[0]);
9797
assertEquals("test", result.array[1]);
@@ -105,8 +105,8 @@ private void stringArrayPojoRoundtrip(boolean shouldBeNull) throws Exception
105105
assertEquals("test2", result.array[3]);
106106
}
107107

108-
private static class ArrayPojo {
109-
private String[] array;
108+
static class ArrayPojo {
109+
String[] array;
110110

111111
public String[] getArray() {
112112
return array;
@@ -121,31 +121,25 @@ public void setArray(String[] array) {
121121
public void testStringList() throws Exception
122122
{
123123
// default mode, should get back empty string
124-
MAPPER.disable(WRITE_NULLS_AS_XSI_NIL);
125-
MAPPER.enable(PROCESS_XSI_NIL);
126-
stringListRoundtrip(false);
124+
_stringListRoundtrip(MAPPER_READ_NULLS, false);
127125

128126
// xsi null enabled, should get back null
129-
MAPPER.enable(WRITE_NULLS_AS_XSI_NIL);
130-
MAPPER.enable(PROCESS_XSI_NIL);
131-
stringListRoundtrip(true);
127+
_stringListRoundtrip(MAPPER_READ_WRITE_NULLS, true);
132128

133129
// xsi null write enabled but processing disabled, should get back empty string
134-
MAPPER.enable(WRITE_NULLS_AS_XSI_NIL);
135-
MAPPER.disable(PROCESS_XSI_NIL);
136-
stringListRoundtrip(false);
130+
_stringListRoundtrip(MAPPER_WRITE_NULLS, false);
137131
}
138132

139-
private void stringListRoundtrip(boolean shouldBeNull) throws Exception
133+
private void _stringListRoundtrip(ObjectMapper mapper, boolean shouldBeNull) throws Exception
140134
{
141135
List<String> list = asList(TEST_DATA);
142136

143137
// serialize to string
144-
String xml = MAPPER.writeValueAsString(list);
138+
String xml = mapper.writeValueAsString(list);
145139
assertNotNull(xml);
146140

147141
// then bring it back
148-
List<String> result = MAPPER.readValue(xml, new TypeReference<List<String>>() {});
142+
List<String> result = mapper.readValue(xml, new TypeReference<List<String>>() {});
149143
assertEquals(4, result.size());
150144
assertEquals("", result.get(0));
151145
assertEquals("test", result.get(1));
@@ -163,32 +157,26 @@ private void stringListRoundtrip(boolean shouldBeNull) throws Exception
163157
public void testStringListPojo() throws Exception
164158
{
165159
// default mode, should get back empty string
166-
MAPPER.disable(WRITE_NULLS_AS_XSI_NIL);
167-
MAPPER.enable(PROCESS_XSI_NIL);
168-
stringListPojoRoundtrip(false);
160+
_stringListPojoRoundtrip(MAPPER_READ_NULLS, false);
169161

170162
// xsi null enabled, should get back null
171-
MAPPER.enable(WRITE_NULLS_AS_XSI_NIL);
172-
MAPPER.enable(PROCESS_XSI_NIL);
173-
stringListPojoRoundtrip(true);
163+
_stringListPojoRoundtrip(MAPPER_READ_WRITE_NULLS, true);
174164

175165
// xsi null write enabled but processing disabled, should get back empty string
176-
MAPPER.enable(WRITE_NULLS_AS_XSI_NIL);
177-
MAPPER.disable(PROCESS_XSI_NIL);
178-
stringListPojoRoundtrip(false);
166+
_stringListPojoRoundtrip(MAPPER_WRITE_NULLS, false);
179167
}
180168

181-
private void stringListPojoRoundtrip(boolean shouldBeNull) throws Exception
169+
private void _stringListPojoRoundtrip(ObjectMapper mapper, boolean shouldBeNull) throws Exception
182170
{
183171
ListPojo listPojo = new ListPojo();
184172
listPojo.setList(asList(TEST_DATA));
185173

186174
// serialize to string
187-
String xml = MAPPER.writeValueAsString(listPojo);
175+
String xml = mapper.writeValueAsString(listPojo);
188176
assertNotNull(xml);
189177

190178
// then bring it back
191-
ListPojo result = MAPPER.readValue(xml, ListPojo.class);
179+
ListPojo result = mapper.readValue(xml, ListPojo.class);
192180
assertEquals(4, result.list.size());
193181
assertEquals("", result.list.get(0));
194182
assertEquals("test", result.list.get(1));
@@ -202,8 +190,8 @@ private void stringListPojoRoundtrip(boolean shouldBeNull) throws Exception
202190
assertEquals("test2", result.list.get(3));
203191
}
204192

205-
private static class ListPojo {
206-
private List<String> list;
193+
static class ListPojo {
194+
List<String> list;
207195

208196
public List<String> getList() {
209197
return list;
@@ -218,22 +206,16 @@ public void setList(List<String> list) {
218206
public void testStringMapPojo() throws Exception
219207
{
220208
// default mode, should get back empty string
221-
MAPPER.disable(WRITE_NULLS_AS_XSI_NIL);
222-
MAPPER.enable(PROCESS_XSI_NIL);
223-
stringMapPojoRoundtrip(false);
209+
_stringMapPojoRoundtrip(MAPPER_READ_NULLS, false);
224210

225211
// xsi null enabled, should get back null
226-
MAPPER.enable(WRITE_NULLS_AS_XSI_NIL);
227-
MAPPER.enable(PROCESS_XSI_NIL);
228-
stringMapPojoRoundtrip(true);
212+
_stringMapPojoRoundtrip(MAPPER_READ_WRITE_NULLS, true);
229213

230214
// xsi null write enabled but processing disabled, should get back empty string
231-
MAPPER.enable(WRITE_NULLS_AS_XSI_NIL);
232-
MAPPER.disable(PROCESS_XSI_NIL);
233-
stringMapPojoRoundtrip(false);
215+
_stringMapPojoRoundtrip(MAPPER_WRITE_NULLS, false);
234216
}
235217

236-
private void stringMapPojoRoundtrip(boolean shouldBeNull) throws Exception
218+
private void _stringMapPojoRoundtrip(ObjectMapper mapper, boolean shouldBeNull) throws Exception
237219
{
238220
Map<String, String> map = new HashMap<String, String>() {{
239221
put("a", "");
@@ -245,11 +227,11 @@ private void stringMapPojoRoundtrip(boolean shouldBeNull) throws Exception
245227
mapPojo.setMap(map);
246228

247229
// serialize to string
248-
String xml = MAPPER.writeValueAsString(mapPojo);
230+
String xml = mapper.writeValueAsString(mapPojo);
249231
assertNotNull(xml);
250232

251233
// then bring it back
252-
MapPojo result = MAPPER.readValue(xml, MapPojo.class);
234+
MapPojo result = mapper.readValue(xml, MapPojo.class);
253235
assertEquals(4, result.map.size());
254236
assertEquals("", result.map.get("a"));
255237
assertEquals("test", result.map.get("b"));
@@ -263,8 +245,8 @@ private void stringMapPojoRoundtrip(boolean shouldBeNull) throws Exception
263245
assertEquals("test2", result.map.get("d"));
264246
}
265247

266-
private static class MapPojo {
267-
private Map<String, String> map;
248+
static class MapPojo {
249+
Map<String, String> map;
268250

269251
public Map<String, String> getMap() {
270252
return map;
@@ -279,34 +261,28 @@ public void setMap(Map<String, String> map) {
279261
public void testStringPojo() throws Exception
280262
{
281263
// default mode, should get back empty string
282-
MAPPER.disable(WRITE_NULLS_AS_XSI_NIL);
283-
MAPPER.enable(PROCESS_XSI_NIL);
284-
stringPojoRoundtrip(false);
264+
_stringPojoRoundtrip(MAPPER_READ_NULLS, false);
285265

286266
// xsi null enabled, should get back null
287-
MAPPER.enable(WRITE_NULLS_AS_XSI_NIL);
288-
MAPPER.enable(PROCESS_XSI_NIL);
289-
stringPojoRoundtrip(true);
267+
_stringPojoRoundtrip(MAPPER_READ_WRITE_NULLS, true);
290268

291269
// xsi null write enabled but processing disabled, should get back empty string
292-
MAPPER.enable(WRITE_NULLS_AS_XSI_NIL);
293-
MAPPER.disable(PROCESS_XSI_NIL);
294-
stringPojoRoundtrip(false);
270+
_stringPojoRoundtrip(MAPPER_WRITE_NULLS, false);
295271
}
296272

297-
private void stringPojoRoundtrip(boolean shouldBeNull) throws Exception
273+
private void _stringPojoRoundtrip(ObjectMapper mapper, boolean shouldBeNull) throws Exception
298274
{
299275
StringPojo stringPojo = new StringPojo();
300276
stringPojo.setNormalString("test");
301277
stringPojo.setEmptyString("");
302278
stringPojo.setNullString(null);
303279

304280
// serialize to string
305-
String xml = MAPPER.writeValueAsString(stringPojo);
281+
String xml = mapper.writeValueAsString(stringPojo);
306282
assertNotNull(xml);
307283

308284
// then bring it back
309-
StringPojo result = MAPPER.readValue(xml, StringPojo.class);
285+
StringPojo result = mapper.readValue(xml, StringPojo.class);
310286
assertEquals("test", result.normalString);
311287
assertEquals("", result.emptyString);
312288
if (shouldBeNull)
@@ -318,10 +294,10 @@ private void stringPojoRoundtrip(boolean shouldBeNull) throws Exception
318294
}
319295
}
320296

321-
private static class StringPojo {
322-
private String normalString;
323-
private String emptyString;
324-
private String nullString;
297+
static class StringPojo {
298+
String normalString;
299+
String emptyString;
300+
String nullString;
325301

326302
public String getNormalString() {
327303
return normalString;

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