CommandCompletionTest.java revision 3222:94cfc50c1b8a 
1/*
2 * Copyright (c) 2015, 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.jshell/jdk.internal.jshell.tool
31 * @library /tools/lib
32 * @build ReplToolTesting TestingInputStream Compiler ToolBox
33 * @run testng CommandCompletionTest
34 */
35
36import java.io.IOException;
37import java.nio.file.FileSystems;
38import java.nio.file.Files;
39import java.nio.file.Path;
40import java.nio.file.Paths;
41import java.util.Collections;
42import java.util.List;
43import java.util.function.Predicate;
44import java.util.stream.Collectors;
45import java.util.stream.Stream;
46
47import org.testng.annotations.Test;
48
49@Test
50public class CommandCompletionTest extends ReplToolTesting {
51
52    public void testCommand() {
53        assertCompletion("/f|", false, "/feedback ");
54        assertCompletion("/deb|", false);
55        assertCompletion("/feedback v|", false, "verbose");
56        assertCompletion("/c|", false, "/classes ", "/classpath ");
57        assertCompletion("/h|", false, "/help ", "/history ");
58        assertCompletion("/feedback |", false,
59                "?", "concise", "default", "normal", "off", "verbose");
60    }
61
62    public void testList() {
63        test(false, new String[] {"-nostartup"},
64                a -> assertCompletion(a, "/l|", false, "/list "),
65                a -> assertCompletion(a, "/list |", false, "all ", "history ", "start "),
66                a -> assertCompletion(a, "/list h|", false, "history "),
67                a -> assertCompletion(a, "/list q|", false),
68                a -> assertVariable(a, "int", "xray"),
69                a -> assertCompletion(a, "/list |", false, "1", "all ", "history ", "start ", "xray"),
70                a -> assertCompletion(a, "/list x|", false, "xray")
71        );
72    }
73
74    public void testDrop() {
75        test(false, new String[] {"-nostartup"},
76                a -> assertCompletion(a, "/d|", false, "/drop "),
77                a -> assertClass(a, "class cTest {}", "class", "cTest"),
78                a -> assertMethod(a, "int mTest() { return 0; }", "()I", "mTest"),
79                a -> assertVariable(a, "int", "fTest"),
80                a -> assertCompletion(a, "/drop |", false, "1", "2", "3", "cTest", "fTest", "mTest"),
81                a -> assertCompletion(a, "/drop f|", false, "fTest")
82        );
83    }
84
85    public void testEdit() {
86        test(false, new String[]{"-nostartup"},
87                a -> assertCompletion(a, "/e|", false, "/edit ", "/exit "),
88                a -> assertCompletion(a, "/ed|", false, "/edit "),
89                a -> assertClass(a, "class cTest {}", "class", "cTest"),
90                a -> assertMethod(a, "int mTest() { return 0; }", "()I", "mTest"),
91                a -> assertVariable(a, "int", "fTest"),
92                a -> assertCompletion(a, "/edit |", false, "1", "2", "3", "cTest", "fTest", "mTest"),
93                a -> assertCompletion(a, "/edit f|", false, "fTest")
94        );
95    }
96
97    public void testOpen() throws IOException {
98        Compiler compiler = new Compiler();
99        assertCompletion("/o|", false, "/open ");
100        List<String> p1 = listFiles(Paths.get(""));
101        FileSystems.getDefault().getRootDirectories().forEach(s -> p1.add(s.toString()));
102        Collections.sort(p1);
103        assertCompletion("/open |", false, p1.toArray(new String[p1.size()]));
104        Path classDir = compiler.getClassDir();
105        List<String> p2 = listFiles(classDir);
106        assertCompletion("/open " + classDir + "/|", false, p2.toArray(new String[p2.size()]));
107    }
108
109    public void testSave() throws IOException {
110        Compiler compiler = new Compiler();
111        assertCompletion("/s|", false, "/save ", "/seteditor ", "/setstart ");
112        List<String> p1 = listFiles(Paths.get(""));
113        Collections.addAll(p1, "all ", "history ", "start ");
114        FileSystems.getDefault().getRootDirectories().forEach(s -> p1.add(s.toString()));
115        Collections.sort(p1);
116        assertCompletion("/save |", false, p1.toArray(new String[p1.size()]));
117        Path classDir = compiler.getClassDir();
118        List<String> p2 = listFiles(classDir);
119        assertCompletion("/save " + classDir + "/|",
120                false, p2.toArray(new String[p2.size()]));
121        assertCompletion("/save all " + classDir + "/|",
122                false, p2.toArray(new String[p2.size()]));
123    }
124
125    public void testClassPath() throws IOException {
126        assertCompletion("/classp|", false, "/classpath ");
127        Compiler compiler = new Compiler();
128        Path outDir = compiler.getPath("testClasspathCompletion");
129        Files.createDirectories(outDir);
130        Files.createDirectories(outDir.resolve("dir"));
131        createIfNeeded(outDir.resolve("test.jar"));
132        createIfNeeded(outDir.resolve("test.zip"));
133        compiler.compile(outDir, "package pkg; public class A { public String toString() { return \"A\"; } }");
134        String jarName = "test.jar";
135        compiler.jar(outDir, jarName, "pkg/A.class");
136        compiler.getPath(outDir).resolve(jarName);
137        List<String> paths = listFiles(outDir, CLASSPATH_FILTER);
138        assertCompletion("/classpath " + outDir + "/|", false, paths.toArray(new String[paths.size()]));
139    }
140
141    public void testUserHome() throws IOException {
142        List<String> completions;
143        Path home = Paths.get(System.getProperty("user.home"));
144        try (Stream<Path> content = Files.list(home)) {
145            completions = content.filter(CLASSPATH_FILTER)
146                                 .map(file -> file.getFileName().toString() + (Files.isDirectory(file) ? "/" : ""))
147                                 .sorted()
148                                 .collect(Collectors.toList());
149        }
150        assertCompletion("/classpath ~/|", false, completions.toArray(new String[completions.size()]));
151    }
152
153    private void createIfNeeded(Path file) throws IOException {
154        if (!Files.exists(file))
155            Files.createFile(file);
156    }
157    private List<String> listFiles(Path path) throws IOException {
158        return listFiles(path, ACCEPT_ALL);
159    }
160
161    private List<String> listFiles(Path path, Predicate<? super Path> filter) throws IOException {
162        try (Stream<Path> stream = Files.list(path)) {
163            return stream.filter(filter)
164                         .map(p -> p.getFileName().toString() + (Files.isDirectory(p) ? "/" : ""))
165                         .sorted()
166                         .collect(Collectors.toList());
167        }
168    }
169
170    private static final Predicate<? super Path> ACCEPT_ALL =
171            (file) -> !file.endsWith(".") && !file.endsWith("..");
172
173    private static final Predicate<? super Path> CLASSPATH_FILTER =
174            (file) -> ACCEPT_ALL.test(file) &&
175                    (Files.isDirectory(file) ||
176                     file.getFileName().toString().endsWith(".jar") ||
177                     file.getFileName().toString().endsWith(".zip"));
178}
179