| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.netbeans.api.lsp; |
| |
| import java.util.concurrent.CompletableFuture; |
| import java.util.function.Consumer; |
| import javax.swing.text.BadLocationException; |
| import javax.swing.text.DefaultStyledDocument; |
| import javax.swing.text.Document; |
| import org.netbeans.api.editor.mimelookup.MimePath; |
| import org.netbeans.api.editor.mimelookup.test.MockMimeLookup; |
| import org.netbeans.junit.NbTestCase; |
| import org.netbeans.spi.lsp.CompletionCollector; |
| import org.openide.util.Exceptions; |
| |
| /** |
| * |
| * @author Dusan Balek |
| */ |
| public class CompletionTest extends NbTestCase { |
| |
| public CompletionTest(String name) { |
| super(name); |
| } |
| |
| @Override |
| public void setUp () throws Exception { |
| super.setUp(); |
| clearWorkDir(); |
| MockMimeLookup.setInstances (MimePath.get ("text/foo"), new FooCompletionCollector()); |
| } |
| |
| public void testCompletionCollect() { |
| Document doc = createDocument("text/foo", ""); |
| int offset = 0; |
| // @start region="testCompletionCollect" |
| |
| // Compute and collect completions for a document at a given offset |
| boolean isComplete = Completion.collect(doc, offset, null, completion -> { |
| |
| // completion should never be 'null' |
| assertNotNull(completion); |
| |
| // getting completion 'label' |
| String label = completion.getLabel(); |
| assertEquals("label", label); |
| |
| // getting optional completion 'detail' |
| CompletableFuture<String> detail = completion.getDetail(); |
| // check for 'null' value |
| if (detail != null) { |
| // value should be already computed |
| assertTrue(detail.isDone()); |
| // getting the value |
| String value = detail.getNow(null); |
| assertEquals("detail", value); |
| } |
| |
| // getting optional completion 'documentation' |
| CompletableFuture<String> documentation = completion.getDocumentation(); |
| // check for 'null' value |
| if (documentation != null) { |
| // value computation should be deferred |
| assertFalse(documentation.isDone()); |
| // getting the value |
| try { |
| String value = documentation.get(); |
| assertEquals("documentation", value); |
| } catch (Exception ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| } |
| }); |
| |
| // @end region="testCompletionCollect" |
| assertTrue(isComplete); |
| } |
| |
| private Document createDocument(String mimeType, String contents) { |
| Document doc = new DefaultStyledDocument(); |
| doc.putProperty("mimeType", mimeType); |
| try { |
| doc.insertString(0, contents, null); |
| return doc; |
| } catch (BadLocationException ble) { |
| throw new IllegalStateException(ble); |
| } |
| } |
| |
| private static class FooCompletionCollector implements CompletionCollector { |
| |
| @Override |
| public boolean collectCompletions(Document doc, int offset, Completion.Context context, Consumer<Completion> consumer) { |
| // @start region="builder" |
| |
| // Create a builder for creating 'Completion' instance providing its 'label' |
| Completion c = CompletionCollector.newBuilder("label") |
| |
| // set completion detail |
| .detail("detail") |
| |
| // set completion documentation with deffered computation |
| .documentation(() -> { |
| return "documentation"; |
| }) |
| |
| // create a new 'Completion' instance |
| .build(); |
| |
| // @end region="builder" |
| consumer.accept(c); |
| return true; |
| } |
| } |
| } |