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https://issues.apache.org/jira/browse/FLINK-21324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17293012#comment-17293012
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Seth Wiesman commented on FLINK-21324:
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fixed in master: a89d6a066bdea6cc656ec0da99f6b4517ca660b2
> statefun-testutil can't assert messages function sends to itself
> ----------------------------------------------------------------
>
> Key: FLINK-21324
> URL: https://issues.apache.org/jira/browse/FLINK-21324
> Project: Flink
> Issue Type: Bug
> Components: Stateful Functions
> Affects Versions: statefun-2.2.2
> Reporter: Timur
> Priority: Major
> Labels: pull-request-available
>
> Assertions don't work for messages sent by functions to themselves. The
> reason is that TestContext doesn't add a message to responses:
> {code:java}
> @Override
> public void send(Address to, Object message) {
> if (to.equals(selfAddress)) {
> messages.add(new Envelope(self(), to, message));
> return;
> }
> responses.computeIfAbsent(to, ignore -> new ArrayList<>()).add(message);
> }
> {code}
> Instead of adding the message to responses the method returns right after
> message added to messages.
> Here is the example of the assertion that doesn't work in case a function
> sent a message to itself:
> {code:java}
> assertThat(harness.invoke(aliceDiseaseDiagnosedEvent()), sentNothing());
> {code}
> The test won't fail even though the message was really sent.
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