langtools/test/jdk/jshell/CommandCompletionTest.java
author rfield
Thu, 10 Dec 2015 23:27:06 -0800
changeset 34570 8a8f52a733dd
parent 34475 7af94fd75ede
child 35359 f04501964016
permissions -rw-r--r--
8144095: jshell tool: normalize command parameter handling 8140265: jshell tool: /save saves rejected input Reviewed-by: jlahoda
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/*
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 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 8144095
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 * @summary Test Command Completion
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 * @library /tools/lib
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 * @build ReplToolTesting TestingInputStream Compiler ToolBox
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 * @run testng CommandCompletionTest
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 */
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import java.io.IOException;
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import java.nio.file.FileSystems;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.Collections;
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import java.util.List;
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import java.util.function.Predicate;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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import org.testng.annotations.Test;
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@Test
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public class CommandCompletionTest extends ReplToolTesting {
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    public void testCommand() {
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        assertCompletion("/f|", false, "/feedback ");
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        assertCompletion("/deb|", false);
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        assertCompletion("/feedback v|", false, "verbose");
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        assertCompletion("/c|", false, "/classes ", "/classpath ");
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        assertCompletion("/h|", false, "/help ", "/history ");
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        assertCompletion("/feedback |", false,
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                "?", "concise", "default", "normal", "off", "verbose");
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    }
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    public void testList() {
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        test(false, new String[] {"-nostartup"},
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                a -> assertCompletion(a, "/l|", false, "/list "),
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                a -> assertCompletion(a, "/list |", false, "all ", "history ", "start "),
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                a -> assertCompletion(a, "/list h|", false, "history "),
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                a -> assertCompletion(a, "/list q|", false),
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                a -> assertVariable(a, "int", "xray"),
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                a -> assertCompletion(a, "/list |", false, "1", "all ", "history ", "start ", "xray"),
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                a -> assertCompletion(a, "/list x|", false, "xray")
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        );
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    }
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    public void testDrop() {
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        test(false, new String[] {"-nostartup"},
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                a -> assertCompletion(a, "/d|", false, "/drop "),
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                a -> assertClass(a, "class cTest {}", "class", "cTest"),
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                a -> assertMethod(a, "int mTest() { return 0; }", "()I", "mTest"),
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                a -> assertVariable(a, "int", "fTest"),
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                a -> assertCompletion(a, "/drop |", false, "1", "2", "3", "cTest", "fTest", "mTest"),
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                a -> assertCompletion(a, "/drop f|", false, "fTest")
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        );
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    }
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    public void testEdit() {
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        test(false, new String[]{"-nostartup"},
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                a -> assertCompletion(a, "/e|", false, "/edit ", "/exit "),
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                a -> assertCompletion(a, "/ed|", false, "/edit "),
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                a -> assertClass(a, "class cTest {}", "class", "cTest"),
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                a -> assertMethod(a, "int mTest() { return 0; }", "()I", "mTest"),
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                a -> assertVariable(a, "int", "fTest"),
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                a -> assertCompletion(a, "/edit |", false, "1", "2", "3", "cTest", "fTest", "mTest"),
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                a -> assertCompletion(a, "/edit f|", false, "fTest")
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        );
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    }
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    public void testOpen() throws IOException {
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        Compiler compiler = new Compiler();
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        assertCompletion("/o|", false, "/open ");
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        List<String> p1 = listFiles(Paths.get(""));
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        FileSystems.getDefault().getRootDirectories().forEach(s -> p1.add(s.toString()));
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        Collections.sort(p1);
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        assertCompletion("/open |", false, p1.toArray(new String[p1.size()]));
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        Path classDir = compiler.getClassDir();
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        List<String> p2 = listFiles(classDir);
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        assertCompletion("/open " + classDir + "/|", false, p2.toArray(new String[p2.size()]));
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    }
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    public void testSave() throws IOException {
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        Compiler compiler = new Compiler();
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        assertCompletion("/s|", false, "/save ", "/seteditor ", "/setstart ");
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        List<String> p1 = listFiles(Paths.get(""));
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        Collections.addAll(p1, "all ", "history ", "start ");
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        FileSystems.getDefault().getRootDirectories().forEach(s -> p1.add(s.toString()));
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        Collections.sort(p1);
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        assertCompletion("/save |", false, p1.toArray(new String[p1.size()]));
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        Path classDir = compiler.getClassDir();
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        List<String> p2 = listFiles(classDir);
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        assertCompletion("/save " + classDir + "/|",
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                false, p2.toArray(new String[p2.size()]));
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        assertCompletion("/save all " + classDir + "/|",
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                false, p2.toArray(new String[p2.size()]));
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    }
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    public void testClassPath() throws IOException {
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        assertCompletion("/classp|", false, "/classpath ");
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        Compiler compiler = new Compiler();
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        Path outDir = compiler.getPath("testClasspathCompletion");
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        Files.createDirectories(outDir);
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        Files.createDirectories(outDir.resolve("dir"));
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        createIfNeeded(outDir.resolve("test.jar"));
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        createIfNeeded(outDir.resolve("test.zip"));
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        compiler.compile(outDir, "package pkg; public class A { public String toString() { return \"A\"; } }");
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        String jarName = "test.jar";
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        compiler.jar(outDir, jarName, "pkg/A.class");
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        compiler.getPath(outDir).resolve(jarName);
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        List<String> paths = listFiles(outDir, CLASSPATH_FILTER);
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        assertCompletion("/classpath " + outDir + "/|", false, paths.toArray(new String[paths.size()]));
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    }
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    public void testUserHome() throws IOException {
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        List<String> completions;
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        Path home = Paths.get(System.getProperty("user.home"));
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        try (Stream<Path> content = Files.list(home)) {
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            completions = content.filter(CLASSPATH_FILTER)
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                                 .map(file -> file.getFileName().toString() + (Files.isDirectory(file) ? "/" : ""))
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                                 .sorted()
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                                 .collect(Collectors.toList());
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        }
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        assertCompletion("/classpath ~/|", false, completions.toArray(new String[completions.size()]));
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    }
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    private void createIfNeeded(Path file) throws IOException {
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        if (!Files.exists(file))
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            Files.createFile(file);
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    }
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    private List<String> listFiles(Path path) throws IOException {
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        return listFiles(path, ACCEPT_ALL);
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    }
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    private List<String> listFiles(Path path, Predicate<? super Path> filter) throws IOException {
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        try (Stream<Path> stream = Files.list(path)) {
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            return stream.filter(filter)
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                         .map(p -> p.getFileName().toString() + (Files.isDirectory(p) ? "/" : ""))
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                         .sorted()
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                         .collect(Collectors.toList());
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        }
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    }
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    private static final Predicate<? super Path> ACCEPT_ALL =
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            (file) -> !file.endsWith(".") && !file.endsWith("..");
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    private static final Predicate<? super Path> CLASSPATH_FILTER =
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            (file) -> ACCEPT_ALL.test(file) &&
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                    (Files.isDirectory(file) ||
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                     file.getFileName().toString().endsWith(".jar") ||
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                     file.getFileName().toString().endsWith(".zip"));
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}