Examples with UPDATE_COUNT com.google.cloud.spanner.MockSpannerTestUtil.UPDATE_COUNT used on opensource projects

Example 1 with UPDATE_COUNT

use of com.google.cloud.spanner.MockSpannerTestUtil.UPDATE_COUNT in project java-spanner by googleapis.

the class AsyncTransactionManagerTest method asyncTransactionManagerUpdateAborted.

@Test
public void asyncTransactionManagerUpdateAborted() throws Exception {
    try (AsyncTransactionManager manager = client().transactionManagerAsync()) {
        // Temporarily set the result of the update to 2 rows.
        mockSpanner.putStatementResult(StatementResult.update(UPDATE_STATEMENT, UPDATE_COUNT + 1L));
        final AtomicInteger attempt = new AtomicInteger();
        TransactionContextFuture transactionContextFuture = manager.beginAsync();
        while (true) {
            try {
                CommitTimestampFuture commitTimestampFuture = transactionContextFuture.then((ignored1, ignored2) -> {
                    if (attempt.incrementAndGet() == 1) {
                        // Abort the first attempt.
                        mockSpanner.abortNextStatement();
                    } else {
                        // Set the result of the update statement back to 1 row.
                        mockSpanner.putStatementResult(StatementResult.update(UPDATE_STATEMENT, UPDATE_COUNT));
                    }
                    return ApiFutures.immediateFuture(null);
                }, executor).then((transactionContext, ignored) -> transactionContext.executeUpdateAsync(UPDATE_STATEMENT), executor).commitAsync();
                assertThat(commitTimestampFuture.get()).isNotNull();
                break;
            } catch (AbortedException e) {
                transactionContextFuture = manager.resetForRetryAsync();
            }
        }
        assertThat(attempt.get()).isEqualTo(2);
    } finally {
        mockSpanner.putStatementResult(StatementResult.update(UPDATE_STATEMENT, UPDATE_COUNT));
    }
}

Example 2 with UPDATE_COUNT

use of com.google.cloud.spanner.MockSpannerTestUtil.UPDATE_COUNT in project java-spanner by googleapis.

the class AsyncTransactionManagerTest method asyncTransactionManagerFireAndForgetInvalidBatchUpdate.

@Test
public void asyncTransactionManagerFireAndForgetInvalidBatchUpdate() throws Exception {
    try (AsyncTransactionManager manager = clientWithEmptySessionPool().transactionManagerAsync()) {
        TransactionContextFuture transactionContextFuture = manager.beginAsync();
        while (true) {
            try {
                AsyncTransactionStep<Void, long[]> updateCounts = transactionContextFuture.then((transactionContext, ignored) -> {
                    transactionContext.batchUpdateAsync(ImmutableList.of(UPDATE_STATEMENT, INVALID_UPDATE_STATEMENT));
                    return ApiFutures.<Void>immediateFuture(null);
                }, executor).then((transactionContext, ignored) -> transactionContext.batchUpdateAsync(ImmutableList.of(UPDATE_STATEMENT, UPDATE_STATEMENT)), executor);
                updateCounts.commitAsync().get();
                assertThat(updateCounts.get()).asList().containsExactly(UPDATE_COUNT, UPDATE_COUNT);
                break;
            } catch (AbortedException e) {
                transactionContextFuture = manager.resetForRetryAsync();
            }
        }
    }
    assertThat(mockSpanner.getRequestTypes()).containsExactly(BatchCreateSessionsRequest.class, ExecuteBatchDmlRequest.class, ExecuteBatchDmlRequest.class, CommitRequest.class);
}

Example 3 with UPDATE_COUNT

use of com.google.cloud.spanner.MockSpannerTestUtil.UPDATE_COUNT in project java-spanner by googleapis.

the class AsyncTransactionManagerTest method asyncTransactionManagerWithBatchUpdateCommitAborted.

@Test
public void asyncTransactionManagerWithBatchUpdateCommitAborted() throws Exception {
    try (AsyncTransactionManager manager = clientWithEmptySessionPool().transactionManagerAsync()) {
        // Temporarily set the result of the update to 2 rows.
        mockSpanner.putStatementResult(StatementResult.update(UPDATE_STATEMENT, UPDATE_COUNT + 1L));
        final AtomicInteger attempt = new AtomicInteger();
        TransactionContextFuture txn = manager.beginAsync();
        while (true) {
            try {
                AsyncTransactionStep<Void, long[]> updateCounts = txn.then((ignored1, ignored2) -> {
                    if (attempt.get() > 0) {
                        // Set the result of the update statement back to 1 row.
                        mockSpanner.putStatementResult(StatementResult.update(UPDATE_STATEMENT, UPDATE_COUNT));
                    }
                    return ApiFutures.<Void>immediateFuture(null);
                }, executor).then((transactionContext, ignored) -> transactionContext.batchUpdateAsync(ImmutableList.of(UPDATE_STATEMENT, UPDATE_STATEMENT)), executor);
                updateCounts.then((transaction, ignored) -> {
                    if (attempt.incrementAndGet() == 1) {
                        mockSpanner.abortTransaction(transaction);
                    }
                    return ApiFutures.immediateFuture(null);
                }, executor).commitAsync().get();
                assertThat(updateCounts.get()).asList().containsExactly(UPDATE_COUNT, UPDATE_COUNT);
                assertThat(attempt.get()).isEqualTo(2);
                break;
            } catch (AbortedException e) {
                txn = manager.resetForRetryAsync();
            }
        }
    } finally {
        mockSpanner.putStatementResult(StatementResult.update(UPDATE_STATEMENT, UPDATE_COUNT));
    }
    assertThat(mockSpanner.getRequestTypes()).containsExactly(BatchCreateSessionsRequest.class, ExecuteBatchDmlRequest.class, CommitRequest.class, BeginTransactionRequest.class, ExecuteBatchDmlRequest.class, CommitRequest.class);
}