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Possible fix to problem with suspended transaction functions and spri…
…ng transaction manager
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80 changes: 80 additions & 0 deletions
80
spring-transaction/src/test/kotlin/org.jetbrains.exposed.spring/SpringCoroutineTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package org.jetbrains.exposed.spring | ||
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| import kotlinx.coroutines.* | ||
| import kotlinx.coroutines.debug.junit4.CoroutinesTimeout | ||
| import org.jetbrains.exposed.sql.* | ||
| import org.jetbrains.exposed.sql.tests.utils.RepeatableTest | ||
| import org.jetbrains.exposed.sql.transactions.experimental.suspendedTransactionAsync | ||
| import org.jetbrains.exposed.sql.transactions.transaction | ||
| import org.junit.Rule | ||
| import org.junit.Test | ||
| import org.springframework.test.annotation.Commit | ||
| import org.springframework.transaction.annotation.Transactional | ||
| import kotlin.test.assertEquals | ||
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| open class SpringCoroutineTest : SpringTransactionTestBase() { | ||
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| @Rule | ||
| @JvmField | ||
| val timeout = CoroutinesTimeout.seconds(60) | ||
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| object Testing : Table("COROUTINE_TESTING") { | ||
| val id = integer("id").autoIncrement() // Column<Int> | ||
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| override val primaryKey = PrimaryKey(id) | ||
| } | ||
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| @RepeatableTest(times = 5) | ||
| @Test @Transactional @Commit | ||
| open fun testNestedCoroutineTransaction() { | ||
| try { | ||
| SchemaUtils.create(Testing) | ||
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| val mainJob = GlobalScope.async { | ||
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| val results = (1..5).map { indx -> | ||
| suspendedTransactionAsync(Dispatchers.IO) { | ||
| Testing.insert { } | ||
| indx | ||
| } | ||
| }.awaitAll() | ||
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| assertEquals(15, results.sum()) | ||
| } | ||
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| while (!mainJob.isCompleted) Thread.sleep(100) | ||
| mainJob.getCompletionExceptionOrNull()?.let { throw it } | ||
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| transaction { | ||
| assertEquals(5L, Testing.selectAll().count()) | ||
| } | ||
| } finally { | ||
| SchemaUtils.drop(Testing) | ||
| } | ||
| /*withTables(Testing) { | ||
| val mainJob = GlobalScope.async { | ||
| val job = launch(Dispatchers.IO) { | ||
| newSuspendedTransaction(db = db) { | ||
| Testing.insert {} | ||
| suspendedTransaction { | ||
| assertEquals(1, Testing.select { Testing.id.eq(1) }.singleOrNull()?.getOrNull(Testing.id)) | ||
| } | ||
| } | ||
| } | ||
| job.join() | ||
| val result = newSuspendedTransaction(Dispatchers.Default, db = db) { | ||
| Testing.select { Testing.id.eq(1) }.single()[Testing.id] | ||
| } | ||
| kotlin.test.assertEquals(1, result) | ||
| } | ||
| while (!mainJob.isCompleted) Thread.sleep(100) | ||
| mainJob.getCompletionExceptionOrNull()?.let { throw it } | ||
| }*/ | ||
| } | ||
| } |