blob: e549dc30966d8f87948e8e35161b3c0f5d8d1e37 (
plain)
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
|
/*-
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright (C) 2019 Nokia 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.dmaap.dbcapi.util;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class RandomStringTest {
private static final int LENGTH = 10;
@Rule
public ExpectedException thrown = ExpectedException.none();
private RandomString randomString = new RandomString(LENGTH);
@Test
public void nextString_shouldReturnStringWithGivenLength() {
String nextString = randomString.nextString();
assertEquals(LENGTH, nextString.length());
}
@Test
public void nextString_shouldReturnAlphanumeric() {
String nextString = randomString.nextString();
assertTrue(nextString.matches("[a-z0-9]*"));
}
@Test
public void constructor_shouldThrowExceptionForNegativeLength() {
thrown.expect(IllegalArgumentException.class);
new RandomString(-1);
}
}
|
