akka/akka-core
PersistenceTestKitReadJournal should implement EventsByTagQuery
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#29,803 opened on 2020/11/10
1 - triagedhelp wantedt:persistencet:testing
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説明
The Java + Scala PersistenceTestKitReadJournal implementations implement CurrentEventsByTagQuery but not EventsByTagQuery which prevent them to be used together when testing Akka Projections.
When trying to use the journal in a test, I receive the following runtime exception:
class akka.persistence.testkit.query.scaladsl.PersistenceTestKitReadJournal cannot be cast to class akka.persistence.query.scaladsl.EventsByTagQuery (akka.persistence.testkit.query.scaladsl.PersistenceTestKitReadJournal and akka.persistence.query.scaladsl.EventsByTagQuery are in unnamed module of loader 'app')
java.lang.ClassCastException: class akka.persistence.testkit.query.scaladsl.PersistenceTestKitReadJournal cannot be cast to class akka.persistence.query.scaladsl.EventsByTagQuery (akka.persistence.testkit.query.scaladsl.PersistenceTestKitReadJournal and akka.persistence.query.scaladsl.EventsByTagQuery are in unnamed module of loader 'app')
at akka.projection.eventsourced.scaladsl.EventSourcedProvider$.eventsByTag(EventSourcedProvider.scala:30)