Implemented new prose test for Transactions #1824
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…ons are ignored when inside a transaction. JAVA-5684
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| @DisplayName("Options Inside Transaction Prose Tests. 1. Write concern not inherited from collection object inside transaction") | ||
| @Test | ||
| void testWriteConcernInheritance() { |
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Having to use map / flatMap to pass the session into each Mono is painful. But appears to be the correct way to ensure that the session use is correctly ordered.
| import static com.mongodb.ClusterFixture.isSharded; | ||
| import static org.junit.Assert.assertTrue; | ||
| import static org.junit.Assume.assumeTrue; | ||
| import static org.junit.jupiter.api.Assertions.assertDoesNotThrow; |
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I took the opportunity to modernize the test to junit5
| session.startTransaction(); | ||
| addresses.add(collection.find(session, Document.parse("{}"))); | ||
| try (MongoCursor<Document> cursor = collection.find(session, Document.parse("{}")).cursor()) { | ||
| addresses.add(cursor.getServerAddress()); |
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The test wasn't to spec as it didn't actually check the server addresses, as it does in the prose test spec.
| session = client.startSession(); | ||
| public void testNewTransactionUnpinsSession() { | ||
| collection.insertOne(Document.parse("{}")); | ||
| try (ClientSession session = client.startSession()) { |
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Prefer try with resources (this code was from java 6 days).
| return isSharded(); | ||
| @DisplayName("Options Inside Transaction Prose Tests. 1. Write concern not inherited from collection object inside transaction") | ||
| @Test | ||
| void testWriteConcernInheritance() { |
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…on cold publishers Only run the validation when subscribe has been called. JAVA-5985
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| @Override | ||
| public Publisher<Void> commitTransaction() { |
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Writing the reactive streams prose test identified a bug. Validation was done when the publisher was created and not when the publisher was being used.
This complicated the usage of transactions, a fact that was hidden by the lack of prose tests! This fix is in the remit of JAVA-5895
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Ensuring collection write concern options are ignored when inside a transaction.
JAVA-5684