use @TestConstructor annotation

> @Testconstructor is a type-level annotation that is used to configure how the
> parameters of a test class constructor are autowired from components in the
> test's ApplicationContext.

[1]: https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/test/context/TestConstructor.html

spring-boot/src/test/kotlin/io/github/agebhar1/snippets/AtLeastOnceInboxXmlMessageProcessingTest.kt

@@ -16,7 +16,6 @@ import org.junit.jupiter.api.Test
 import org.junit.jupiter.params.ParameterizedTest
 import org.junit.jupiter.params.provider.ValueSource
 import org.postgresql.jdbc.PgSQLXML
-import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase
 import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase.Replace.NONE
 import org.springframework.boot.test.autoconfigure.jdbc.JdbcTest
@@ -25,6 +24,8 @@ import org.springframework.jdbc.core.namedparam.MapSqlParameterSource
 import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate
 import org.springframework.jdbc.support.GeneratedKeyHolder
 import org.springframework.jdbc.support.xml.Jdbc4SqlXmlHandler
+import org.springframework.test.context.TestConstructor
+import org.springframework.test.context.TestConstructor.AutowireMode.ALL
 import org.springframework.test.context.jdbc.Sql
 import org.springframework.test.context.jdbc.Sql.ExecutionPhase.AFTER_TEST_METHOD
 import org.springframework.transaction.annotation.Propagation.NEVER
@@ -51,10 +52,11 @@ import kotlin.time.Duration.Companion.seconds
     ModifiableFixedUTCClock::class
 )
 @JdbcTest(properties = ["spring.datasource.url=jdbc:tc:postgresql:15.2:///"])
+@TestConstructor(autowireMode = ALL)
 class AtLeastOnceInboxXmlMessageProcessingTest(
-    @Autowired private val clock: ModifiableFixedUTCClock,
-    @Autowired private val jdbcTemplate: NamedParameterJdbcTemplate,
-    @Autowired private val repository: JdbcInboxXmlMessageRepository
+    private val clock: ModifiableFixedUTCClock,
+    private val jdbcTemplate: NamedParameterJdbcTemplate,
+    private val repository: JdbcInboxXmlMessageRepository
 ) {
     @ParameterizedTest
     @ValueSource(ints = [1, 5, 10])

spring-boot/src/test/kotlin/io/github/agebhar1/snippets/SpringIntegrationInboundChannelEventualConsistencyTest.kt

@@ -6,7 +6,6 @@ import io.github.agebhar1.snippets.repository.JdbcInboxXmlMessageRepository
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.assertThrows
-import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.autoconfigure.jdbc.JdbcTest
 import org.springframework.boot.test.context.TestConfiguration
 import org.springframework.context.annotation.Bean
@@ -22,6 +21,8 @@ import org.springframework.messaging.MessageHeaders
 import org.springframework.messaging.handler.annotation.Payload
 import org.springframework.stereotype.Service
 import org.springframework.test.annotation.DirtiesContext
+import org.springframework.test.context.TestConstructor
+import org.springframework.test.context.TestConstructor.AutowireMode.ALL
 import org.springframework.test.context.jdbc.Sql
 import org.springframework.test.context.jdbc.Sql.ExecutionPhase.AFTER_TEST_METHOD
 import org.springframework.transaction.annotation.Propagation.MANDATORY
@@ -63,11 +64,12 @@ class JustAService(
 @Sql(
     executionPhase = AFTER_TEST_METHOD,
     statements = ["DELETE FROM INBOX_XML_MESSAGE WHERE id = '4bafe8fd-2086-4abb-a79f-47bbaa0aa4c9'"])
+@TestConstructor(autowireMode = ALL)
 @Transactional(propagation = NEVER)
 class SpringIntegrationInboundChannelEventualConsistencyTest(
-    @Autowired val txTemplate: TransactionTemplate,
-    @Autowired val jdbcTemplate: JdbcTemplate,
-    @Autowired private val messagingTemplate: MessagingTemplate
+    val txTemplate: TransactionTemplate,
+    val jdbcTemplate: JdbcTemplate,
+    private val messagingTemplate: MessagingTemplate
 ) {
     @Test
     fun `should save message from channel to inbox database table and proceed normally`() {

spring-boot/src/test/kotlin/io/github/agebhar1/snippets/SpringIntegrationInboundJmsListenerContainerEventualConsistencyTest.kt

@@ -18,7 +18,6 @@ import org.aspectj.lang.annotation.Pointcut
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
-import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.context.SpringBootTest
 import org.springframework.boot.test.context.TestConfiguration
 import org.springframework.context.annotation.Bean
@@ -34,6 +33,8 @@ import org.springframework.stereotype.Component
 import org.springframework.stereotype.Service
 import org.springframework.test.annotation.DirtiesContext
 import org.springframework.test.annotation.DirtiesContext.ClassMode.AFTER_EACH_TEST_METHOD
+import org.springframework.test.context.TestConstructor
+import org.springframework.test.context.TestConstructor.AutowireMode.ALL
 import org.springframework.test.context.jdbc.Sql
 import org.springframework.test.context.jdbc.Sql.ExecutionPhase.AFTER_TEST_METHOD
 import org.springframework.transaction.annotation.Propagation.NEVER
@@ -119,13 +120,14 @@ class CustomJmsConsumer(
     executionPhase = AFTER_TEST_METHOD,
     statements =
         ["DELETE FROM INBOX_XML_MESSAGE WHERE id = '4bafe8fd-2086-4abb-a79f-47bbaa0aa4c9'"])
+@TestConstructor(autowireMode = ALL)
 @Transactional(propagation = NEVER)
 class SpringIntegrationInboundJmsEventualConsistencyTest(
-    @Autowired private val consumer: CustomJmsConsumer,
-    @Autowired private val repositoryInterceptor: InboxXmlMessageRepositoryInterceptor,
-    @Autowired private val jdbcTemplate: JdbcTemplate,
-    @Autowired private val jmsTemplate: JmsTemplate,
-    @Autowired private val txTemplateInterceptor: TransactionTemplateInterceptor
+    private val consumer: CustomJmsConsumer,
+    private val repositoryInterceptor: InboxXmlMessageRepositoryInterceptor,
+    private val jdbcTemplate: JdbcTemplate,
+    private val jmsTemplate: JmsTemplate,
+    private val txTemplateInterceptor: TransactionTemplateInterceptor
 ) {
     @BeforeEach
     fun beforeEach() {

spring-boot/src/test/kotlin/io/github/agebhar1/snippets/SpringIntegrationJdbcBatchIntTest.kt

@@ -2,7 +2,6 @@ package io.github.agebhar1.snippets
 
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
-import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.autoconfigure.jdbc.JdbcTest
 import org.springframework.boot.test.context.TestConfiguration
 import org.springframework.context.annotation.Bean
@@ -13,14 +12,17 @@ import org.springframework.integration.dsl.integrationFlow
 import org.springframework.integration.jdbc.JdbcMessageHandler
 import org.springframework.integration.support.MessageBuilder
 import org.springframework.jdbc.core.JdbcTemplate
+import org.springframework.test.context.TestConstructor
+import org.springframework.test.context.TestConstructor.AutowireMode.ALL
 import org.springframework.test.context.jdbc.Sql
 import org.springframework.test.jdbc.JdbcTestUtils.countRowsInTableWhere
 import java.util.UUID.randomUUID
 
 @JdbcTest
+@TestConstructor(autowireMode = ALL)
 class SpringIntegrationJdbcBatchIntTest(
-    @Autowired val jdbcTemplate: JdbcTemplate,
-    @Autowired val messagingTemplate: MessagingTemplate
+    val jdbcTemplate: JdbcTemplate,
+    val messagingTemplate: MessagingTemplate
 ) {
     @Test
     @Sql("/sql/spring-integration-jdbc-int-test.sql")

spring-boot/src/test/kotlin/io/github/agebhar1/snippets/SpringIntegrationJdbcIntTest.kt

@@ -2,7 +2,6 @@ package io.github.agebhar1.snippets
 
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
-import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.autoconfigure.jdbc.JdbcTest
 import org.springframework.boot.test.context.TestConfiguration
 import org.springframework.context.annotation.Bean
@@ -13,13 +12,16 @@ import org.springframework.integration.dsl.integrationFlow
 import org.springframework.integration.jdbc.JdbcMessageHandler
 import org.springframework.integration.support.MessageBuilder
 import org.springframework.jdbc.core.JdbcTemplate
+import org.springframework.test.context.TestConstructor
+import org.springframework.test.context.TestConstructor.AutowireMode.ALL
 import org.springframework.test.context.jdbc.Sql
 import org.springframework.test.jdbc.JdbcTestUtils.countRowsInTableWhere
 
 @JdbcTest
+@TestConstructor(autowireMode = ALL)
 class SpringIntegrationJdbcIntTest(
-    @Autowired val jdbcTemplate: JdbcTemplate,
-    @Autowired val messagingTemplate: MessagingTemplate
+    val jdbcTemplate: JdbcTemplate,
+    val messagingTemplate: MessagingTemplate
 ) {
     @Test
     @Sql("/sql/spring-integration-jdbc-int-test.sql")

spring-boot/src/test/kotlin/io/github/agebhar1/snippets/SpringIntegrationJdbcXmlIntTest.kt

@@ -2,7 +2,6 @@ package io.github.agebhar1.snippets
 
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
-import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.autoconfigure.jdbc.JdbcTest
 import org.springframework.boot.test.context.TestConfiguration
 import org.springframework.context.annotation.Bean
@@ -16,6 +15,8 @@ import org.springframework.integration.support.MessageBuilder
 import org.springframework.jdbc.core.JdbcTemplate
 import org.springframework.jdbc.support.xml.Jdbc4SqlXmlHandler
 import org.springframework.jdbc.support.xml.SqlXmlHandler
+import org.springframework.test.context.TestConstructor
+import org.springframework.test.context.TestConstructor.AutowireMode.ALL
 import org.w3c.dom.Document
 import java.time.Instant
 import java.time.LocalDateTime
@@ -24,9 +25,10 @@ import java.util.UUID
 
 @Import(Jdbc4SqlXmlHandler::class)
 @JdbcTest
+@TestConstructor(autowireMode = ALL)
 class SpringIntegrationJdbcXmlIntTest(
-    @Autowired val jdbcTemplate: JdbcTemplate,
-    @Autowired val messagingTemplate: MessagingTemplate
+    val jdbcTemplate: JdbcTemplate,
+    val messagingTemplate: MessagingTemplate
 ) {
     @Test
     fun `message with XML payload should be present in database table`() {

spring-boot/src/test/kotlin/io/github/agebhar1/snippets/SpringIntegrationLeaderElectionTest.kt

@@ -5,7 +5,6 @@ package io.github.agebhar1.snippets
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.AfterEach
 import org.junit.jupiter.api.Test
-import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.autoconfigure.jdbc.JdbcTest
 import org.springframework.boot.test.context.TestConfiguration
 import org.springframework.context.annotation.Bean
@@ -20,16 +19,19 @@ import org.springframework.integration.leader.event.OnGrantedEvent
 import org.springframework.integration.leader.event.OnRevokedEvent
 import org.springframework.integration.support.leader.LockRegistryLeaderInitiator
 import org.springframework.integration.support.locks.LockRegistry
+import org.springframework.test.context.TestConstructor
+import org.springframework.test.context.TestConstructor.AutowireMode.ALL
 import java.util.UUID
 import java.util.concurrent.CountDownLatch
 import java.util.concurrent.TimeUnit.SECONDS
 import javax.sql.DataSource
 
 @JdbcTest
+@TestConstructor(autowireMode = ALL)
 class SpringIntegrationLeaderElectionTest(
-    @Autowired val leaderInitiator: LockRegistryLeaderInitiator,
-    @Autowired val lockRegistry: LockRegistry,
-    @Autowired val singleResource: SingleResource
+    val leaderInitiator: LockRegistryLeaderInitiator,
+    val lockRegistry: LockRegistry,
+    val singleResource: SingleResource
 ) {
     /*
         http://presos.dsyer.com/decks/locks-and-leaders.html

spring-boot/src/test/kotlin/io/github/agebhar1/snippets/repository/JdbcInboxXmlMessageRepositoryTest.kt

@@ -4,19 +4,21 @@ import io.github.agebhar1.snippets.domain.InboxXmlMessage
 import io.github.agebhar1.snippets.toDocument
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
-import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.autoconfigure.jdbc.JdbcTest
 import org.springframework.context.annotation.Import
 import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate
 import org.springframework.jdbc.support.xml.Jdbc4SqlXmlHandler
+import org.springframework.test.context.TestConstructor
+import org.springframework.test.context.TestConstructor.AutowireMode.ALL
 import java.time.Instant
 import java.util.UUID
 
 @Import(JdbcInboxXmlMessageRepository::class, Jdbc4SqlXmlHandler::class)
 @JdbcTest
+@TestConstructor(autowireMode = ALL)
 class JdbcInboxXmlMessageRepositoryTest(
-    @Autowired private val jdbcTemplate: NamedParameterJdbcTemplate,
-    @Autowired private val repository: JdbcInboxXmlMessageRepository
+    private val jdbcTemplate: NamedParameterJdbcTemplate,
+    private val repository: JdbcInboxXmlMessageRepository
 ) {
     @Test
     fun `should save entity`() {