/
CharacterStreamTest.java
222 lines (187 loc) · 6.07 KB
/
CharacterStreamTest.java
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
/*
* Copyright (c) 2016, PostgreSQL Global Development Group
* See the LICENSE file in the project root for more information.
*/
package org.postgresql.test.jdbc4;
import org.postgresql.test.TestUtil;
import org.postgresql.test.jdbc2.BaseTest4;
import org.junit.Assert;
import org.junit.Test;
import java.io.Reader;
import java.io.StringReader;
import java.sql.PreparedStatement;
import java.sql.SQLFeatureNotSupportedException;
public class CharacterStreamTest extends BaseTest4 {
private static final String TEST_TABLE_NAME = "charstream";
private static final String TEST_COLUMN_NAME = "cs";
private static final String _insert;
private static final String _select;
static {
_insert = String.format("INSERT INTO %s (%s) VALUES (?)", TEST_TABLE_NAME, TEST_COLUMN_NAME);
_select = String.format("SELECT %s FROM %s", TEST_COLUMN_NAME, TEST_TABLE_NAME);
}
@Override
public void setUp() throws Exception {
super.setUp();
TestUtil.createTempTable(con, TEST_TABLE_NAME, "cs text");
}
private void insertStreamKnownIntLength(String data) throws Exception {
PreparedStatement insertPS = con.prepareStatement(_insert);
try {
Reader reader = (data != null) ? new StringReader(data) : null;
int length = (data != null) ? data.length() : 0;
insertPS.setCharacterStream(1, reader, length);
insertPS.executeUpdate();
} finally {
TestUtil.closeQuietly(insertPS);
}
}
private void insertStreamKnownLongLength(String data) throws Exception {
PreparedStatement insertPS = con.prepareStatement(_insert);
try {
Reader reader = (data != null) ? new StringReader(data) : null;
long length = (data != null) ? data.length() : 0;
insertPS.setCharacterStream(1, reader, length);
insertPS.executeUpdate();
} finally {
TestUtil.closeQuietly(insertPS);
}
}
private void insertStreamUnknownLength(String data) throws Exception {
PreparedStatement insertPS = con.prepareStatement(_insert);
try {
Reader reader = (data != null) ? new StringReader(data) : null;
insertPS.setCharacterStream(1, reader);
insertPS.executeUpdate();
} finally {
TestUtil.closeQuietly(insertPS);
}
}
private void validateContent(String data) throws Exception {
String actualData = TestUtil.queryForString(con, _select);
Assert.assertEquals("Sent and received data are not the same", data, actualData);
}
private String getTestData(int size) {
StringBuilder buf = new StringBuilder(size);
String s = "This is a test string.\n";
int slen = s.length();
int len = 0;
while ((len + slen) < size) {
buf.append(s);
len += slen;
}
while (len < size) {
buf.append('.');
len++;
}
return buf.toString();
}
@Test
public void testKnownIntLengthNull() throws Exception {
String data = null;
insertStreamKnownIntLength(data);
validateContent(data);
}
@Test(expected = SQLFeatureNotSupportedException.class)
public void testKnownLongLengthNull() throws Exception {
String data = null;
insertStreamKnownLongLength(data);
validateContent(data);
}
@Test
public void testUnknownLengthNull() throws Exception {
String data = null;
insertStreamUnknownLength(data);
validateContent(data);
}
@Test
public void testKnownIntLengthEmpty() throws Exception {
String data = "";
insertStreamKnownIntLength(data);
validateContent(data);
}
@Test(expected = SQLFeatureNotSupportedException.class)
public void testKnownLongLengthEmpty() throws Exception {
String data = "";
insertStreamKnownLongLength(data);
validateContent(data);
}
@Test
public void testUnknownLengthEmpty() throws Exception {
String data = "";
insertStreamUnknownLength(data);
validateContent(data);
}
@Test
public void testKnownIntLength2Kb() throws Exception {
String data = getTestData(2 * 1024);
insertStreamKnownIntLength(data);
validateContent(data);
}
@Test(expected = SQLFeatureNotSupportedException.class)
public void testKnownLongLength2Kb() throws Exception {
String data = getTestData(2 * 1024);
insertStreamKnownLongLength(data);
validateContent(data);
}
@Test
public void testUnknownLength2Kb() throws Exception {
String data = getTestData(2 * 1024);
insertStreamUnknownLength(data);
validateContent(data);
}
@Test
public void testKnownIntLength10Kb() throws Exception {
String data = getTestData(10 * 1024);
insertStreamKnownIntLength(data);
validateContent(data);
}
@Test(expected = SQLFeatureNotSupportedException.class)
public void testKnownLongLength10Kb() throws Exception {
String data = getTestData(10 * 1024);
insertStreamKnownLongLength(data);
validateContent(data);
}
@Test
public void testUnknownLength10Kb() throws Exception {
String data = getTestData(10 * 1024);
insertStreamUnknownLength(data);
validateContent(data);
}
@Test
public void testKnownIntLength100Kb() throws Exception {
String data = getTestData(100 * 1024);
insertStreamKnownIntLength(data);
validateContent(data);
}
@Test(expected = SQLFeatureNotSupportedException.class)
public void testKnownLongLength100Kb() throws Exception {
String data = getTestData(100 * 1024);
insertStreamKnownLongLength(data);
validateContent(data);
}
@Test
public void testUnknownLength100Kb() throws Exception {
String data = getTestData(100 * 1024);
insertStreamUnknownLength(data);
validateContent(data);
}
@Test
public void testKnownIntLength200Kb() throws Exception {
String data = getTestData(200 * 1024);
insertStreamKnownIntLength(data);
validateContent(data);
}
@Test(expected = SQLFeatureNotSupportedException.class)
public void testKnownLongLength200Kb() throws Exception {
String data = getTestData(200 * 1024);
insertStreamKnownLongLength(data);
validateContent(data);
}
@Test
public void testUnknownLength200Kb() throws Exception {
String data = getTestData(200 * 1024);
insertStreamUnknownLength(data);
validateContent(data);
}
}