CommandCompletionTest.java revision 3294:9adfb22ff08f 
1/*
2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 8144095
27 * @summary Test Command Completion
28 * @modules jdk.compiler/com.sun.tools.javac.api
29 *          jdk.compiler/com.sun.tools.javac.main
30 *          jdk.jdeps/com.sun.tools.javap
31 *          jdk.jshell/jdk.internal.jshell.tool
32 * @library /tools/lib
33 * @build ReplToolTesting TestingInputStream Compiler ToolBox
34 * @run testng CommandCompletionTest
35 */
36
37import java.io.IOException;
38import java.nio.file.FileSystems;
39import java.nio.file.Files;
40import java.nio.file.Path;
41import java.nio.file.Paths;
42import java.util.Collections;
43import java.util.List;
44import java.util.function.Predicate;
45import java.util.stream.Collectors;
46import java.util.stream.Stream;
47
48import org.testng.annotations.Test;
49
50@Test
51public class CommandCompletionTest extends ReplToolTesting {
52
53    public void testCommand() {
54        assertCompletion("/deb|", false);
55        assertCompletion("/c|", false, "/classes ", "/classpath ");
56        assertCompletion("/h|", false, "/help ", "/history ");
57    }
58
59    public void testList() {
60        test(false, new String[] {"-nostartup"},
61                a -> assertCompletion(a, "/l|", false, "/list "),
62                a -> assertCompletion(a, "/list |", false, "all ", "history ", "start "),
63                a -> assertCompletion(a, "/list h|", false, "history "),
64                a -> assertCompletion(a, "/list q|", false),
65                a -> assertVariable(a, "int", "xray"),
66                a -> assertCompletion(a, "/list |", false, "1", "all ", "history ", "start ", "xray"),
67                a -> assertCompletion(a, "/list x|", false, "xray")
68        );
69    }
70
71    public void testDrop() {
72        test(false, new String[] {"-nostartup"},
73                a -> assertCompletion(a, "/d|", false, "/drop "),
74                a -> assertClass(a, "class cTest {}", "class", "cTest"),
75                a -> assertMethod(a, "int mTest() { return 0; }", "()I", "mTest"),
76                a -> assertVariable(a, "int", "fTest"),
77                a -> assertCompletion(a, "/drop |", false, "1", "2", "3", "cTest", "fTest", "mTest"),
78                a -> assertCompletion(a, "/drop f|", false, "fTest")
79        );
80    }
81
82    public void testEdit() {
83        test(false, new String[]{"-nostartup"},
84                a -> assertCompletion(a, "/e|", false, "/edit ", "/exit "),
85                a -> assertCompletion(a, "/ed|", false, "/edit "),
86                a -> assertClass(a, "class cTest {}", "class", "cTest"),
87                a -> assertMethod(a, "int mTest() { return 0; }", "()I", "mTest"),
88                a -> assertVariable(a, "int", "fTest"),
89                a -> assertCompletion(a, "/edit |", false, "1", "2", "3", "cTest", "fTest", "mTest"),
90                a -> assertCompletion(a, "/edit f|", false, "fTest")
91        );
92    }
93
94    public void testOpen() throws IOException {
95        Compiler compiler = new Compiler();
96        assertCompletion("/o|", false, "/open ");
97        List<String> p1 = listFiles(Paths.get(""));
98        FileSystems.getDefault().getRootDirectories().forEach(s -> p1.add(s.toString()));
99        Collections.sort(p1);
100        assertCompletion("/open |", false, p1.toArray(new String[p1.size()]));
101        Path classDir = compiler.getClassDir();
102        List<String> p2 = listFiles(classDir);
103        assertCompletion("/open " + classDir + "/|", false, p2.toArray(new String[p2.size()]));
104    }
105
106    public void testSave() throws IOException {
107        Compiler compiler = new Compiler();
108        assertCompletion("/s|", false, "/save ", "/set ");
109        List<String> p1 = listFiles(Paths.get(""));
110        Collections.addAll(p1, "all ", "history ", "start ");
111        FileSystems.getDefault().getRootDirectories().forEach(s -> p1.add(s.toString()));
112        Collections.sort(p1);
113        assertCompletion("/save |", false, p1.toArray(new String[p1.size()]));
114        Path classDir = compiler.getClassDir();
115        List<String> p2 = listFiles(classDir);
116        assertCompletion("/save " + classDir + "/|",
117                false, p2.toArray(new String[p2.size()]));
118        assertCompletion("/save all " + classDir + "/|",
119                false, p2.toArray(new String[p2.size()]));
120    }
121
122    public void testClassPath() throws IOException {
123        assertCompletion("/classp|", false, "/classpath ");
124        Compiler compiler = new Compiler();
125        Path outDir = compiler.getPath("testClasspathCompletion");
126        Files.createDirectories(outDir);
127        Files.createDirectories(outDir.resolve("dir"));
128        createIfNeeded(outDir.resolve("test.jar"));
129        createIfNeeded(outDir.resolve("test.zip"));
130        compiler.compile(outDir, "package pkg; public class A { public String toString() { return \"A\"; } }");
131        String jarName = "test.jar";
132        compiler.jar(outDir, jarName, "pkg/A.class");
133        compiler.getPath(outDir).resolve(jarName);
134        List<String> paths = listFiles(outDir, CLASSPATH_FILTER);
135        assertCompletion("/classpath " + outDir + "/|", false, paths.toArray(new String[paths.size()]));
136    }
137
138    public void testUserHome() throws IOException {
139        List<String> completions;
140        Path home = Paths.get(System.getProperty("user.home"));
141        try (Stream<Path> content = Files.list(home)) {
142            completions = content.filter(CLASSPATH_FILTER)
143                                 .map(file -> file.getFileName().toString() + (Files.isDirectory(file) ? "/" : ""))
144                                 .sorted()
145                                 .collect(Collectors.toList());
146        }
147        assertCompletion("/classpath ~/|", false, completions.toArray(new String[completions.size()]));
148    }
149
150    private void createIfNeeded(Path file) throws IOException {
151        if (!Files.exists(file))
152            Files.createFile(file);
153    }
154    private List<String> listFiles(Path path) throws IOException {
155        return listFiles(path, ACCEPT_ALL);
156    }
157
158    private List<String> listFiles(Path path, Predicate<? super Path> filter) throws IOException {
159        try (Stream<Path> stream = Files.list(path)) {
160            return stream.filter(filter)
161                         .map(p -> p.getFileName().toString() + (Files.isDirectory(p) ? "/" : ""))
162                         .sorted()
163                         .collect(Collectors.toList());
164        }
165    }
166
167    private static final Predicate<? super Path> ACCEPT_ALL =
168            (file) -> !file.endsWith(".") && !file.endsWith("..");
169
170    private static final Predicate<? super Path> CLASSPATH_FILTER =
171            (file) -> ACCEPT_ALL.test(file) &&
172                    (Files.isDirectory(file) ||
173                     file.getFileName().toString().endsWith(".jar") ||
174                     file.getFileName().toString().endsWith(".zip"));
175}
176