sdedic commented on a change in pull request #3441:
URL: https://github.com/apache/netbeans/pull/3441#discussion_r782757815
##########
File path:
java/java.lsp.server/test/unit/src/org/netbeans/modules/java/lsp/server/protocol/ServerTest.java
##########
@@ -4846,8 +4849,85 @@ public void saveProject(Project project) throws
IOException, ClassCastException
}
}
- public void testCancelProgressHandle() throws Exception {
+ private static volatile ProgressCommand progressCommandInstance;
+
+ @ServiceProvider(service = CodeActionsProvider.class)
+ public static class ProgressCommand extends CodeActionsProvider {
+
+ // command will block before checking for cancel (before return/
terminate)
+ CountDownLatch beforeCancel = new CountDownLatch(1);
+
+ CountDownLatch progressReported = new CountDownLatch(1);
+
+ /**
+ * True, if the command has received a cancel
+ */
+ AtomicBoolean cancel = new AtomicBoolean(false);
+
+ /**
+ * True, if the command has finished (normally or abruptly)
+ */
+ AtomicBoolean finished = new AtomicBoolean(false);
+
+
+ volatile Throwable exception;
+
+ public ProgressCommand() {
+ progressCommandInstance = this;
+ }
+
+ @Override
+ public List<CodeAction> getCodeActions(ResultIterator resultIterator,
CodeActionParams params) throws Exception {
+ return Collections.emptyList();
+ }
+
+ boolean cancel() {
+ return !this.cancel.getAndSet(true);
+ }
+ @Override
+ public CompletableFuture<Object> processCommand(NbCodeLanguageClient
client, String command, List<Object> arguments) {
+ if (!command.equals("_progressCommand")) {
+ return null;
+ }
+
+ return CompletableFuture.<Object>supplyAsync(() -> {
+ ProgressHandle h = ProgressHandle.createHandle("Test Command",
this::cancel);
+ try {
+ h.start(100, 100);
+ h.progress(20);
+ // The Progress infra sometimes coalesces events, so
definitely deliver begin + progress before
+ // waking up the client controller that will issue cancel.
Otherwise begin / cancel could be merged into
+ // a no-op.
+ Thread.sleep(1000);
Review comment:
No :( or not in a way I am aware of: events may be coalesced right in
the loop, the even queue is private, its RequestProcessor as well. Maybe patch
the `Controller` and watch for the event queue to become empty.
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