forked from spring-projects/spring-framework
/
TestSocketUtilsTests.java
55 lines (46 loc) · 1.81 KB
/
TestSocketUtilsTests.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
/*
* Copyright 2002-2022 the original author or authors.
*
* 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
*
* https://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 org.springframework.test.util;
import javax.net.ServerSocketFactory;
import org.junit.jupiter.api.Test;
import org.mockito.MockedStatic;
import org.mockito.Mockito;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
/**
* Unit tests for {@link TestSocketUtils}.
*
* @author Sam Brannen
* @author Gary Russell
* @author Chris Bono
*/
class TestSocketUtilsTests {
@Test
void findAvailableTcpPort() {
int port = TestSocketUtils.findAvailableTcpPort();
assertThat(port >= 1024).as("port [" + port + "] >= " + 1024).isTrue();
assertThat(port <= 65535).as("port [" + port + "] <= " + 65535).isTrue();
}
@Test
void findAvailableTcpPortWhenNoAvailablePortFoundInMaxAttempts() {
try (MockedStatic<ServerSocketFactory> mockedServerSocketFactory = Mockito.mockStatic(ServerSocketFactory.class)) {
mockedServerSocketFactory.when(ServerSocketFactory::getDefault).thenThrow(new RuntimeException("Boom"));
assertThatIllegalStateException().isThrownBy(TestSocketUtils::findAvailableTcpPort)
.withMessageStartingWith("Could not find an available TCP port")
.withMessageEndingWith("after 1000 attempts");
}
}
}