File: CommandLinePortNotSpecifiedTest.java

package info (click to toggle)
openjdk-21 21.0.8%2B9-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 823,976 kB
  • sloc: java: 5,613,338; xml: 1,643,607; cpp: 1,296,296; ansic: 420,291; asm: 404,850; objc: 20,994; sh: 15,271; javascript: 11,245; python: 6,895; makefile: 2,362; perl: 357; awk: 351; sed: 172; jsp: 24; csh: 3
file content (154 lines) | stat: -rw-r--r-- 6,468 bytes parent folder | download | duplicates (4)
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
/*
 * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 8276848
 * @summary Tests the java -m jdk.httpserver command with port not specified
 * @modules jdk.httpserver
 * @library /test/lib
 * @run testng/othervm/manual CommandLinePortNotSpecifiedTest
 */

import java.io.IOException;
import java.net.InetAddress;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.concurrent.TimeUnit;
import jdk.test.lib.Platform;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.util.FileUtils;
import org.testng.annotations.AfterTest;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
import static java.lang.System.out;

public class CommandLinePortNotSpecifiedTest {

    static final Path JAVA_HOME = Path.of(System.getProperty("java.home"));
    static final String JAVA = getJava(JAVA_HOME);
    static final Path CWD = Path.of(".").toAbsolutePath().normalize();
    static final Path TEST_DIR = CWD.resolve("CommandLinePortNotSpecifiedTest");
    static final Path TEST_FILE = TEST_DIR.resolve("file.txt");
    static final String TEST_DIR_STR = TEST_DIR.toString();
    static final String LOOPBACK_ADDR = InetAddress.getLoopbackAddress().getHostAddress();

    @BeforeTest
    public void setup() throws IOException {
        if (Files.exists(TEST_DIR)) {
            FileUtils.deleteFileTreeWithRetry(TEST_DIR);
        }
        Files.createDirectories(TEST_DIR);
        Files.createFile(TEST_FILE);
    }

    static final int SIGTERM = 15;
    static final int NORMAL_EXIT_CODE = normalExitCode();

    static int normalExitCode() {
        if (Platform.isWindows()) {
            return 1; // expected process destroy exit code
        } else {
            // signal terminated exit code on Unix is 128 + signal value
            return 128 + SIGTERM;
        }
    }

    /**
     * This is a manual test to confirm the command-line tool starts successfully
     * in the case where the port is not specified. In this case the server uses
     * the default port 8000. The test is manual to avoid a BindException in the
     * unlikely but not impossible case that the port is already in use.
     */
    @Test
    public void testPortNotSpecified() throws Throwable {
        out.println("\n--- testPortNotSpecified");
        simpleserver(JAVA, "-m", "jdk.httpserver")
                .shouldHaveExitValue(NORMAL_EXIT_CODE)
                .shouldContain("Binding to loopback by default. For all interfaces use \"-b 0.0.0.0\" or \"-b ::\".")
                .shouldContain("Serving " + TEST_DIR_STR + " and subdirectories on " + LOOPBACK_ADDR + " port")
                .shouldContain("URL http://" + LOOPBACK_ADDR);
    }

    @AfterTest
    public void teardown() throws IOException {
        if (Files.exists(TEST_DIR)) {
            FileUtils.deleteFileTreeWithRetry(TEST_DIR);
        }
    }

    // --- infra ---

    static String getJava(Path image) {
        boolean isWindows = System.getProperty("os.name").startsWith("Windows");
        Path java = image.resolve("bin").resolve(isWindows ? "java.exe" : "java");
        if (Files.notExists(java))
            throw new RuntimeException(java + " not found");
        return java.toAbsolutePath().toString();
    }

    static final String REGULAR_STARTUP_LINE1_STRING = "Serving";
    static final String REGULAR_STARTUP_LINE2_STRING = "URL http://";

    static final String OPTIONS_TEXT = """
            Options:
            -b, --bind-address    - Address to bind to. Default: %s (loopback).
                                    For all interfaces use "-b 0.0.0.0" or "-b ::".
            -d, --directory       - Directory to serve. Default: current directory.
            -o, --output          - Output format. none|info|verbose. Default: info.
            -p, --port            - Port to listen on. Default: 8000.
            -h, -?, --help        - Prints this help message and exits.
            -version, --version   - Prints version information and exits.
            To stop the server, press Ctrl + C.""".formatted(LOOPBACK_ADDR);

    // The stdout/stderr output line to wait for when starting the simpleserver
    enum WaitForLine {
        REGULAR_STARTUP_LINE (REGULAR_STARTUP_LINE2_STRING) ,
        HELP_STARTUP_LINE (OPTIONS_TEXT.lines().reduce((first, second) -> second).orElseThrow());

        final String value;
        WaitForLine(String value) { this.value = value; }
    }

    static OutputAnalyzer simpleserver(String... args) throws Throwable {
        return simpleserver(WaitForLine.REGULAR_STARTUP_LINE, true, args);
    }

    static OutputAnalyzer simpleserver(WaitForLine waitForLine, boolean destroy, String... args) throws Throwable {
        StringBuffer sb = new StringBuffer();  // stdout & stderr
        // start the process and await the waitForLine before returning
        var p = ProcessTools.startProcess("simpleserver",
                new ProcessBuilder(args).directory(TEST_DIR.toFile()),
                line -> sb.append(line + "\n"),
                line -> line.startsWith(waitForLine.value),
                30,  // suitably high default timeout, not expected to timeout
                TimeUnit.SECONDS);
        if (destroy) {
            p.destroy();  // SIGTERM on Unix
        }
        int ec = p.waitFor();
        var outputAnalyser = new OutputAnalyzer(sb.toString(), "", ec);
        return outputAnalyser;
    }
}