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CompletionTest.java
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CompletionTest.java
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/*
* Copyright (c) 2002-2020, the original author or authors.
*
* This software is distributable under the BSD license. See the terms of the
* BSD license in the documentation provided with this software.
*
* https://opensource.org/licenses/BSD-3-Clause
*/
package org.jline.reader.impl;
import java.io.IOException;
import java.util.Arrays;
import static java.util.Arrays.asList;
import org.jline.reader.Completer;
import org.jline.reader.LineReader.Option;
import org.jline.reader.Reference;
import org.jline.reader.impl.completer.AggregateCompleter;
import org.jline.reader.impl.completer.ArgumentCompleter;
import org.jline.reader.impl.completer.NullCompleter;
import org.jline.reader.impl.completer.StringsCompleter;
import org.jline.terminal.Size;
import org.junit.Test;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class CompletionTest extends ReaderTestSupport {
@Test
public void testCompleteEscape() throws IOException {
reader.setCompleter(new StringsCompleter("foo bar"));
assertBuffer("foo\\ bar ", new TestBuffer("fo\t"));
assertBuffer("\"foo bar\" ", new TestBuffer("\"fo\t"));
}
@Test
public void testListAndMenu() throws IOException {
reader.setCompleter(new StringsCompleter("foo", "foobar"));
reader.unsetOpt(Option.MENU_COMPLETE);
reader.unsetOpt(Option.AUTO_LIST);
reader.unsetOpt(Option.AUTO_MENU);
reader.unsetOpt(Option.LIST_AMBIGUOUS);
assertBuffer("foo", new TestBuffer("fo\t"));
assertFalse(reader.list);
assertFalse(reader.menu);
assertBuffer("foo", new TestBuffer("fo\t\t"));
assertFalse(reader.list);
assertFalse(reader.menu);
reader.setOpt(Option.AUTO_LIST);
reader.unsetOpt(Option.AUTO_MENU);
reader.unsetOpt(Option.LIST_AMBIGUOUS);
assertBuffer("foo", new TestBuffer("fo\t"));
assertTrue(reader.list);
assertFalse(reader.menu);
reader.setOpt(Option.AUTO_LIST);
reader.unsetOpt(Option.AUTO_MENU);
reader.setOpt(Option.LIST_AMBIGUOUS);
assertBuffer("foo", new TestBuffer("fo\t"));
assertFalse(reader.list);
assertFalse(reader.menu);
assertBuffer("foo", new TestBuffer("fo\t\t"));
assertTrue(reader.list);
assertFalse(reader.menu);
reader.unsetOpt(Option.AUTO_LIST);
reader.setOpt(Option.AUTO_MENU);
reader.unsetOpt(Option.LIST_AMBIGUOUS);
assertBuffer("foo", new TestBuffer("fo\t"));
assertFalse(reader.list);
assertFalse(reader.menu);
assertBuffer("foo", new TestBuffer("fo\t\t"));
assertFalse(reader.list);
assertTrue(reader.menu);
reader.setOpt(Option.AUTO_LIST);
reader.setOpt(Option.AUTO_MENU);
reader.unsetOpt(Option.LIST_AMBIGUOUS);
assertBuffer("foo", new TestBuffer("fo\t"));
assertTrue(reader.list);
assertFalse(reader.menu);
assertBuffer("foo", new TestBuffer("fo\t\t"));
assertTrue(reader.list);
assertTrue(reader.menu);
reader.setOpt(Option.AUTO_LIST);
reader.setOpt(Option.AUTO_MENU);
reader.setOpt(Option.LIST_AMBIGUOUS);
assertBuffer("foo", new TestBuffer("fo\t"));
assertFalse(reader.list);
assertFalse(reader.menu);
assertBuffer("foo", new TestBuffer("fo\t\t"));
assertTrue(reader.list);
assertFalse(reader.menu);
assertBuffer("foo", new TestBuffer("fo\t\t\t"));
assertTrue(reader.list);
assertTrue(reader.menu);
}
@Test
public void testCompletePrefix() throws Exception {
Completer nil = new NullCompleter();
Completer read = new StringsCompleter("read");
Completer and = new StringsCompleter("and");
Completer save = new StringsCompleter("save");
Completer aggregator = new AggregateCompleter(
new ArgumentCompleter(read, and, save, nil)
);
reader.setCompleter(aggregator);
reader.getKeys().bind(new Reference("complete-word"), "\t");
assertLine("read and ", new TestBuffer("read an\t\n"));
assertLine("read and ", new TestBuffer("read an\033[D\t\n"));
reader.getKeys().bind(new Reference("complete-prefix"), "\t");
assertLine("read and nd", new TestBuffer("read and\033[D\033[D\t\n"));
}
@Test
public void testMenuOrder() {
reader.setCompleter(new StringsCompleter(Arrays.asList("ae_helloWorld1", "ad_helloWorld12", "ac_helloWorld1234", "ab_helloWorld123", "aa_helloWorld12345")));
reader.unsetOpt(Option.AUTO_LIST);
reader.setOpt(Option.AUTO_MENU);
assertLine("aa_helloWorld12345 ", new TestBuffer("a\t\n\n"));
assertLine("ab_helloWorld123 ", new TestBuffer("a\t\t\n\n"));
}
@Test
public void testDumbTerminalNoSizeComplete() {
terminal.setSize(new Size());
reader.setCompleter(new StringsCompleter(Arrays.asList("ae_helloWorld", "ad_helloWorld", "ac_helloWorld", "ab_helloWorld", "aa_helloWorld")));
assertLine("a", new TestBuffer("a\t\n\n"));
}
@Test
public void testParserEofOnEscapedNewLine() {
DefaultParser parser = new DefaultParser();
parser.setEofOnEscapedNewLine(true);
reader.setParser(parser);
assertLine("test ", new TestBuffer("test \\\t\n\n"));
}
}