move repositories to separate db package

replace jacoco with kover

build.gradle.kts

@@ -1,40 +1,85 @@
 plugins {
+	idea
+	alias(libs.plugins.kotlin.kover)
 	alias(libs.plugins.kotlin.jpa)
 	alias(libs.plugins.kotlin.jvm)
 	alias(libs.plugins.kotlin.serialization)
 	alias(libs.plugins.kotlin.spring)
 	alias(libs.plugins.spring.boot)
 	alias(libs.plugins.spring.dependencyManagement)
-
-	jacoco
 }
 
 group = "com.github.dannecron.demo"
 version = "single-version"
 
-java {
+allprojects {
+	apply {
+		plugin(rootProject.libs.plugins.kotlin.jvm.get().pluginId)
+		plugin(rootProject.libs.plugins.kotlin.serialization.get().pluginId)
+		plugin(rootProject.libs.plugins.kotlin.kover.get().pluginId)
+
+		plugin("java")
+	}
+
+	plugins.withId("org.jetbrains.kotlinx.kover") {
+		tasks.named("koverXmlReport") {
+			dependsOn(tasks.test)
+		}
+	}
+
+	java {
 		sourceCompatibility = JavaVersion.VERSION_17
+	}
+	kotlin {
+		compilerOptions {
+			freeCompilerArgs.addAll("-Xjsr305=strict")
+			apiVersion.set(org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_2_1)
+		}
+	}
+
+	repositories {
+		mavenCentral()
+	}
+
+	dependencies {
+		implementation(rootProject.libs.kotlin.reflect)
+		implementation(rootProject.libs.kotlinx.serialization.json)
+		implementation(rootProject.libs.spring.aspects)
+
+		testImplementation(rootProject.libs.kotlin.test.junit)
+		testImplementation(rootProject.libs.mockito.kotlin)
+		testImplementation(rootProject.libs.spring.boot.starter.test)
+
+		kover(project(":db"))
+	}
+
+	tasks.test {
+		useJUnitPlatform()
+		finalizedBy("koverXmlReport")
+	}
 }
 
-repositories {
-	mavenCentral()
+subprojects {
+	apply {
+		plugin(rootProject.libs.plugins.kotlin.spring.get().pluginId)
+		plugin(rootProject.libs.plugins.spring.boot.get().pluginId)
+		plugin(rootProject.libs.plugins.spring.dependencyManagement.get().pluginId)
+	}
 }
 
 dependencies {
+	implementation(project(":db"))
+
 	runtimeOnly(libs.micrometer.registry.prometheus)
 
 	implementation(libs.bundles.tracing)
-	implementation(libs.flyway.core)
 	implementation(libs.jackson.datatype.jsr)
 	implementation(libs.jackson.module.kotlin)
 	implementation(libs.json.schema.validator)
-	implementation(libs.kotlin.reflect)
-	implementation(libs.kotlinx.serialization.json)
 	implementation(libs.ktor.client.cio)
 	implementation(libs.ktor.client.core)
 	implementation(libs.logback.encoder)
 	implementation(libs.postgres)
-	implementation(libs.spring.aspects)
 	implementation(libs.spring.boot.starter.actuator)
 	implementation(libs.spring.boot.starter.jdbc)
 	implementation(libs.spring.boot.starter.mustache)
@@ -43,33 +88,10 @@ dependencies {
 	implementation(libs.spring.doc.openapi.starter)
 	implementation(libs.spring.kafka)
 
-	testImplementation(libs.kotlin.test.junit)
-	testImplementation(libs.mockito.kotlin)
-	testImplementation(libs.spring.boot.starter.test)
 	testImplementation(libs.spring.kafka.test)
 	testImplementation(libs.testcontainers)
 	testImplementation(libs.testcontainers.junit.jupiter)
-	testImplementation(libs.testcontainers.postgresql)
 	testImplementation(libs.ktor.client.mock)
 
 	developmentOnly(libs.spring.boot.devtools)
 }
-
-kotlin {
-	compilerOptions {
-		freeCompilerArgs.addAll("-Xjsr305=strict")
-		apiVersion.set(org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_2_1)
-	}
-}
-
-tasks.withType<Test> {
-	useJUnitPlatform()
-}
-
-tasks.test {
-	finalizedBy(tasks.jacocoTestReport) // report is always generated after tests run
-}
-
-tasks.jacocoTestReport {
-	dependsOn(tasks.test) // tests are required to run before generating the report
-}

db/build.gradle.kts

@@ -0,0 +1,16 @@
+plugins {
+    alias(libs.plugins.kotlin.jpa)
+}
+
+group = "com.github.dannecron.demo"
+version = "single-version"
+
+dependencies {
+    implementation(rootProject.libs.flyway.core)
+    implementation(rootProject.libs.postgres)
+    implementation(rootProject.libs.spring.boot.starter.jdbc)
+
+    testImplementation(libs.testcontainers)
+    testImplementation(libs.testcontainers.junit.jupiter)
+    testImplementation(libs.testcontainers.postgresql)
+}

db/src/main/kotlin/com/github/dannecron/demo/db/entity/City.kt

@@ -0,0 +1,31 @@
+package com.github.dannecron.demo.db.entity
+
+import com.github.dannecron.demo.db.serialialization.OffsetDateTimeSerialization
+import com.github.dannecron.demo.db.serialialization.UuidSerialization
+import kotlinx.serialization.Serializable
+import org.springframework.data.annotation.Id
+import org.springframework.data.relational.core.mapping.Column
+import org.springframework.data.relational.core.mapping.Table
+import java.time.OffsetDateTime
+import java.util.UUID
+
+@Table("city")
+@Serializable
+data class City(
+    @Id
+    val id: Long?,
+    @Serializable(with = UuidSerialization::class)
+    val guid: UUID,
+    val name: String,
+    @Serializable(with = OffsetDateTimeSerialization::class)
+    @Column(value = "created_at")
+    val createdAt: OffsetDateTime,
+    @Serializable(with = OffsetDateTimeSerialization::class)
+    @Column(value = "updated_at")
+    val updatedAt: OffsetDateTime?,
+    @Serializable(with = OffsetDateTimeSerialization::class)
+    @Column(value = "deleted_at")
+    val deletedAt: OffsetDateTime?,
+) {
+    fun isDeleted(): Boolean = deletedAt != null
+}

db/src/main/kotlin/com/github/dannecron/demo/db/entity/Customer.kt

@@ -0,0 +1,27 @@
+package com.github.dannecron.demo.db.entity
+
+import com.github.dannecron.demo.db.serialialization.OffsetDateTimeSerialization
+import com.github.dannecron.demo.db.serialialization.UuidSerialization
+import kotlinx.serialization.Serializable
+import org.springframework.data.annotation.Id
+import org.springframework.data.relational.core.mapping.Column
+import org.springframework.data.relational.core.mapping.Table
+import java.time.OffsetDateTime
+import java.util.UUID
+
+@Table("customer")
+@Serializable
+data class Customer(
+    @Id
+    val id: Long?,
+    @Serializable(with = UuidSerialization::class)
+    val guid: UUID,
+    val name: String,
+    val cityId: Long?,
+    @Serializable(with = OffsetDateTimeSerialization::class)
+    @Column(value = "created_at")
+    val createdAt: OffsetDateTime,
+    @Serializable(with = OffsetDateTimeSerialization::class)
+    @Column(value = "updated_at")
+    val updatedAt: OffsetDateTime?,
+)

db/src/main/kotlin/com/github/dannecron/demo/db/entity/Product.kt

@@ -0,0 +1,42 @@
+package com.github.dannecron.demo.db.entity
+
+import com.github.dannecron.demo.db.serialialization.OffsetDateTimeSerialization
+import com.github.dannecron.demo.db.serialialization.UuidSerialization
+import kotlinx.serialization.Serializable
+import org.springframework.data.annotation.Id
+import org.springframework.data.relational.core.mapping.Column
+import org.springframework.data.relational.core.mapping.Table
+import java.time.OffsetDateTime
+import java.util.UUID
+import kotlin.math.pow
+import kotlin.math.roundToInt
+
+@Table(value = "product")
+@Serializable
+data class Product(
+    @Id
+    val id: Long?,
+    @Serializable(with = UuidSerialization::class)
+    val guid: UUID,
+    val name: String,
+    val description: String?,
+    val price: Long,
+    @Serializable(with = OffsetDateTimeSerialization::class)
+    @Column(value = "created_at")
+    val createdAt: OffsetDateTime,
+    @Serializable(with = OffsetDateTimeSerialization::class)
+    @Column(value = "updated_at")
+    val updatedAt: OffsetDateTime?,
+    @Serializable(with = OffsetDateTimeSerialization::class)
+    @Column(value = "deleted_at")
+    val deletedAt: OffsetDateTime?,
+) {
+    fun getPriceDouble(): Double = (price.toDouble() / 100).roundTo(2)
+
+    fun isDeleted(): Boolean = deletedAt != null
+
+    private fun Double.roundTo(numFractionDigits: Int): Double {
+        val factor = 10.0.pow(numFractionDigits.toDouble())
+        return (this * factor).roundToInt() / factor
+    }
+}

db/src/main/kotlin/com/github/dannecron/demo/db/entity/order/Order.kt

@@ -0,0 +1,31 @@
+package com.github.dannecron.demo.db.entity.order
+
+import com.github.dannecron.demo.db.serialialization.OffsetDateTimeSerialization
+import com.github.dannecron.demo.db.serialialization.UuidSerialization
+import kotlinx.serialization.Serializable
+import org.springframework.data.annotation.Id
+import org.springframework.data.relational.core.mapping.Column
+import org.springframework.data.relational.core.mapping.Table
+import java.time.OffsetDateTime
+import java.util.UUID
+
+@Table(value = "order")
+@Serializable
+data class Order(
+    @Id
+    val id: Long?,
+    @Serializable(with = UuidSerialization::class)
+    val guid: UUID,
+    val customerId: Long,
+    @Serializable(with = OffsetDateTimeSerialization::class)
+    @Column(value = "delivered_at")
+    val deliveredAt: OffsetDateTime?,
+    @Serializable(with = OffsetDateTimeSerialization::class)
+    @Column(value = "created_at")
+    val createdAt: OffsetDateTime,
+    @Serializable(with = OffsetDateTimeSerialization::class)
+    @Column(value = "updated_at")
+    val updatedAt: OffsetDateTime?
+) {
+    fun isDelivered(): Boolean = deliveredAt != null
+}

db/src/main/kotlin/com/github/dannecron/demo/db/entity/order/OrderProduct.kt

@@ -0,0 +1,41 @@
+package com.github.dannecron.demo.db.entity.order
+
+import com.github.dannecron.demo.db.serialialization.OffsetDateTimeSerialization
+import com.github.dannecron.demo.db.serialialization.UuidSerialization
+import kotlinx.serialization.Serializable
+import org.springframework.data.annotation.Id
+import org.springframework.data.annotation.Transient
+import org.springframework.data.domain.Persistable
+import org.springframework.data.relational.core.mapping.Column
+import org.springframework.data.relational.core.mapping.Table
+import java.time.OffsetDateTime
+import java.util.UUID
+
+@Table(value = "order_product")
+@Serializable
+data class OrderProduct(
+    @Id
+    @Serializable(with = UuidSerialization::class)
+    val guid: UUID,
+    @Column(value = "order_id")
+    val orderId: Long,
+    @Column(value = "product_id")
+    val productId: Long,
+    @Serializable(with = OffsetDateTimeSerialization::class)
+    @Column(value = "created_at")
+    val createdAt: OffsetDateTime,
+    @Serializable(with = OffsetDateTimeSerialization::class)
+    @Column(value = "updated_at")
+    val updatedAt: OffsetDateTime?,
+): Persistable<UUID> {
+    @Transient
+    var isNewInstance: Boolean? = null
+
+    override fun getId(): UUID {
+        return guid
+    }
+
+    override fun isNew(): Boolean {
+        return isNewInstance ?: true
+    }
+}

db/src/main/kotlin/com/github/dannecron/demo/db/repository/CityRepository.kt

@@ -0,0 +1,17 @@
+package com.github.dannecron.demo.db.repository
+
+import com.github.dannecron.demo.db.entity.City
+import org.springframework.data.jdbc.repository.query.Query
+import org.springframework.data.repository.CrudRepository
+import org.springframework.data.repository.query.Param
+import org.springframework.stereotype.Repository
+import java.time.OffsetDateTime
+import java.util.UUID
+
+@Repository
+interface CityRepository: CrudRepository<City, Long> {
+    fun findByGuid(guid: UUID): City?
+
+    @Query(value = "UPDATE city SET deleted_at = :deletedAt WHERE guid = :guid RETURNING *")
+    fun softDelete(@Param("guid") guid: UUID, @Param("deletedAt") deletedAt: OffsetDateTime): City?
+}

db/src/main/kotlin/com/github/dannecron/demo/db/repository/CustomerRepository.kt

@@ -0,0 +1,11 @@
+package com.github.dannecron.demo.db.repository
+
+import com.github.dannecron.demo.db.entity.Customer
+import org.springframework.data.repository.CrudRepository
+import org.springframework.stereotype.Repository
+import java.util.UUID
+
+@Repository
+interface CustomerRepository: CrudRepository<Customer, Long> {
+    fun findByGuid(guid: UUID): Customer?
+}

db/src/main/kotlin/com/github/dannecron/demo/db/repository/OrderProductRepository.kt

@@ -0,0 +1,11 @@
+package com.github.dannecron.demo.db.repository
+
+import com.github.dannecron.demo.db.entity.order.OrderProduct
+import org.springframework.data.repository.CrudRepository
+import org.springframework.stereotype.Repository
+import java.util.UUID
+
+@Repository
+interface OrderProductRepository: CrudRepository<OrderProduct, UUID> {
+    fun findByOrderId(orderId: Long): List<OrderProduct>
+}

db/src/main/kotlin/com/github/dannecron/demo/db/repository/OrderRepository.kt

@@ -0,0 +1,10 @@
+package com.github.dannecron.demo.db.repository
+
+import com.github.dannecron.demo.db.entity.order.Order
+import org.springframework.data.repository.CrudRepository
+import org.springframework.stereotype.Repository
+
+@Repository
+interface OrderRepository: CrudRepository<Order, Long> {
+    fun findByCustomerId(customerId: Long): List<Order>
+}

db/src/main/kotlin/com/github/dannecron/demo/db/repository/ProductRepository.kt

@@ -0,0 +1,17 @@
+package com.github.dannecron.demo.db.repository
+
+import com.github.dannecron.demo.db.entity.Product
+import org.springframework.data.jdbc.repository.query.Query
+import org.springframework.data.repository.CrudRepository
+import org.springframework.data.repository.PagingAndSortingRepository
+import org.springframework.stereotype.Repository
+import java.time.OffsetDateTime
+import java.util.UUID
+
+@Repository
+interface ProductRepository: CrudRepository<Product, Long>, PagingAndSortingRepository<Product, Long> {
+    fun findByGuid(guid: UUID): Product?
+
+    @Query(value = "UPDATE Product SET deleted_at = :deletedAt WHERE guid = :guid RETURNING *")
+    fun softDelete(guid: UUID, deletedAt: OffsetDateTime): Product?
+}

db/src/main/kotlin/com/github/dannecron/demo/db/serialialization/OffsetDateTimeSerialization.kt

@@ -0,0 +1,19 @@
+package com.github.dannecron.demo.db.serialialization
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import java.time.OffsetDateTime
+import java.time.format.DateTimeFormatter
+
+object OffsetDateTimeSerialization: KSerializer<OffsetDateTime> {
+    override val descriptor = PrimitiveSerialDescriptor("Time", PrimitiveKind.STRING)
+
+    override fun deserialize(decoder: Decoder): OffsetDateTime = OffsetDateTime.parse(decoder.decodeString())
+
+    override fun serialize(encoder: Encoder, value: OffsetDateTime) {
+        encoder.encodeString(value.format(DateTimeFormatter.ISO_OFFSET_DATE_TIME))
+    }
+}

db/src/main/kotlin/com/github/dannecron/demo/db/serialialization/UuidSerialization.kt

@@ -0,0 +1,18 @@
+package com.github.dannecron.demo.db.serialialization
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import java.util.UUID
+
+object UuidSerialization: KSerializer<UUID> {
+    override val descriptor = PrimitiveSerialDescriptor("UUID", PrimitiveKind.STRING)
+
+    override fun deserialize(decoder: Decoder): UUID = UUID.fromString(decoder.decodeString())
+
+    override fun serialize(encoder: Encoder, value: UUID) {
+        encoder.encodeString(value.toString())
+    }
+}

db/src/test/kotlin/com/github/dannecron/demo/db/BaseDbTest.kt

@@ -0,0 +1,14 @@
+package com.github.dannecron.demo.db
+
+import org.springframework.boot.test.autoconfigure.data.jdbc.DataJdbcTest
+import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase
+import org.springframework.data.jdbc.repository.config.EnableJdbcRepositories
+import org.springframework.test.context.ActiveProfiles
+import org.testcontainers.junit.jupiter.Testcontainers
+
+@ActiveProfiles("db")
+@DataJdbcTest
+@Testcontainers(disabledWithoutDocker = false)
+@AutoConfigureTestDatabase(replace = AutoConfigureTestDatabase.Replace.NONE)
+@EnableJdbcRepositories
+class BaseDbTest

db/src/test/kotlin/com/github/dannecron/demo/db/repository/CityRepositoryTest.kt

@@ -0,0 +1,49 @@
+package com.github.dannecron.demo.db.repository
+
+import com.github.dannecron.demo.db.BaseDbTest
+import com.github.dannecron.demo.db.entity.City
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.test.context.jdbc.Sql
+import java.time.OffsetDateTime
+import java.util.UUID
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertNull
+
+@ContextConfiguration(classes = [CityRepository::class])
+class CityRepositoryTest : BaseDbTest() {
+
+    @Autowired
+    private lateinit var cityRepository: CityRepository
+
+    private val cityGuid = UUID.fromString("21a1a3a8-621a-40f7-b64f-7e118aa241b9")
+    private val city = City(
+        id = 1000,
+        guid = cityGuid,
+        name = "Tokyo",
+        createdAt = OffsetDateTime.parse("2025-01-01T12:10:05+00:00"),
+        updatedAt = null,
+        deletedAt = null,
+    )
+
+    @Test
+    @Sql(scripts = ["/sql/insert_city.sql"])
+    fun findByGuid() {
+        val result = cityRepository.findByGuid(cityGuid)
+        assertEquals(city, result)
+
+        val emptyResult = cityRepository.findByGuid(UUID.randomUUID())
+        assertNull(emptyResult)
+    }
+
+    @Test
+    @Sql(scripts = ["/sql/insert_city.sql"])
+    fun softDelete() {
+        val deletedAt = OffsetDateTime.parse("2025-01-02T12:10:05+00:00")
+        val expectedCity = city.copy(deletedAt = deletedAt)
+
+        val result = cityRepository.softDelete(cityGuid, deletedAt)
+        assertEquals(expectedCity, result)
+    }
+}

db/src/test/kotlin/com/github/dannecron/demo/db/repository/CustomerRepositoryTest.kt

@@ -0,0 +1,39 @@
+package com.github.dannecron.demo.db.repository
+
+import com.github.dannecron.demo.db.BaseDbTest
+import com.github.dannecron.demo.db.entity.Customer
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.test.context.jdbc.Sql
+import java.time.OffsetDateTime
+import java.util.UUID
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertNull
+
+@ContextConfiguration(classes = [CustomerRepository::class])
+class CustomerRepositoryTest : BaseDbTest() {
+
+    @Autowired
+    private lateinit var customerRepository: CustomerRepository
+
+    private val customerGuid = UUID.fromString("823c50de-4c81-49bd-a69a-2d52be42b728")
+    private val customer = Customer(
+        id = 1000,
+        guid = customerGuid,
+        name = "Customer",
+        cityId = 1000,
+        createdAt = OffsetDateTime.parse("2025-01-01T12:10:05+00:00"),
+        updatedAt = null,
+    )
+
+    @Test
+    @Sql(scripts = ["/sql/insert_city.sql", "/sql/insert_customer.sql"])
+    fun findByGuid() {
+        val result = customerRepository.findByGuid(customerGuid)
+        assertEquals(customer, result)
+
+        val emptyResult = customerRepository.findByGuid(UUID.randomUUID())
+        assertNull(emptyResult)
+    }
+}

db/src/test/kotlin/com/github/dannecron/demo/db/repository/OrderProductRepositoryTest.kt

@@ -0,0 +1,43 @@
+package com.github.dannecron.demo.db.repository
+
+import com.github.dannecron.demo.db.BaseDbTest
+import com.github.dannecron.demo.db.entity.order.OrderProduct
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.test.context.jdbc.Sql
+import java.time.OffsetDateTime
+import java.util.UUID
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+@ContextConfiguration(classes = [OrderProductRepository::class])
+class OrderProductRepositoryTest : BaseDbTest() {
+
+    @Autowired
+    private lateinit var orderProductRepository: OrderProductRepository
+    
+    private val orderId = 1000L
+    private val orderProduct = OrderProduct(
+        guid = UUID.fromString("930f54e2-c60d-448e-83b1-0d259ff2c2d3"),
+        orderId = orderId,
+        productId = 1000,
+        createdAt = OffsetDateTime.parse("2025-01-01T12:10:05+00:00"),
+        updatedAt = null,
+    )
+
+    @Test
+    @Sql(
+        scripts = [
+            "/sql/insert_city.sql",
+            "/sql/insert_customer.sql",
+            "/sql/insert_order.sql",
+            "/sql/insert_product.sql",
+            "/sql/insert_order_product.sql",
+        ]
+    )
+    fun findByOrderId() {
+        val result = orderProductRepository.findByOrderId(orderId)
+        assertEquals(1, result.size)
+        assertEquals(orderProduct, result[0])
+    }
+}

db/src/test/kotlin/com/github/dannecron/demo/db/repository/OrderRepositoryTest.kt

@@ -0,0 +1,43 @@
+package com.github.dannecron.demo.db.repository
+
+import com.github.dannecron.demo.db.BaseDbTest
+import com.github.dannecron.demo.db.entity.order.Order
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.test.context.jdbc.Sql
+import java.time.OffsetDateTime
+import java.util.UUID
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+@ContextConfiguration(classes = [OrderRepository::class])
+class OrderRepositoryTest : BaseDbTest() {
+
+    @Autowired
+    private lateinit var orderRepository: OrderRepository
+
+    private val orderGuid = UUID.fromString("2c960a08-7187-4e91-9ef3-275c91b1342c")
+    private val customerId = 1000L
+    private val order = Order(
+        id = 1000,
+        guid = orderGuid,
+        customerId = customerId,
+        deliveredAt = null,
+        createdAt = OffsetDateTime.parse("2025-01-01T12:10:05+00:00"),
+        updatedAt = null,
+    )
+
+    @Test
+    @Sql(
+        scripts = [
+            "/sql/insert_city.sql",
+            "/sql/insert_customer.sql",
+            "/sql/insert_order.sql",
+        ]
+    )
+    fun findByGuid() {
+        val result = orderRepository.findByCustomerId(customerId)
+        assertEquals(1, result.size)
+        assertEquals(order, result[0])
+    }
+}

db/src/test/kotlin/com/github/dannecron/demo/db/repository/ProductRepositoryTest.kt

@@ -0,0 +1,41 @@
+package com.github.dannecron.demo.db.repository
+
+import com.github.dannecron.demo.db.BaseDbTest
+import com.github.dannecron.demo.db.entity.Product
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.test.context.jdbc.Sql
+import java.time.OffsetDateTime
+import java.util.UUID
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertNull
+
+@ContextConfiguration(classes = [ProductRepository::class])
+class ProductRepositoryTest : BaseDbTest() {
+
+    @Autowired
+    private lateinit var productRepository: ProductRepository
+
+    private val productGuid = UUID.fromString("1fb5c7e4-8ce2-43b8-8ca7-1089b04959b9")
+    private val product = Product(
+        id = 1000,
+        guid = productGuid,
+        name = "product",
+        description = "description",
+        price = 10000,
+        createdAt = OffsetDateTime.parse("2025-01-01T12:10:05+00:00"),
+        updatedAt = null,
+        deletedAt = null,
+    )
+
+    @Test
+    @Sql(scripts = ["/sql/insert_product.sql"])
+    fun findByGuid() {
+        val result = productRepository.findByGuid(productGuid)
+        assertEquals(product, result)
+
+        val emptyResult = productRepository.findByGuid(UUID.randomUUID())
+        assertNull(emptyResult)
+    }
+}

db/src/test/resources/application-db.yml

@@ -0,0 +1,10 @@
+---
+spring:
+  datasource:
+    url: jdbc:tc:postgresql:14-alpine:///test
+    driver-class-name: org.testcontainers.jdbc.ContainerDatabaseDriver
+    hikari:
+      maximum-pool-size: 2
+  flyway:
+    enabled: true
+    locations: classpath:migration/structure, classpath:migration/data

db/src/test/resources/sql/insert_city.sql

@@ -0,0 +1,3 @@
+insert into "city" (id, guid, name, created_at) values
+    (1000, '21a1a3a8-621a-40f7-b64f-7e118aa241b9', 'Tokyo', '2025-01-01 12:10:05 +00:00')
+;

db/src/test/resources/sql/insert_customer.sql

@@ -0,0 +1,3 @@
+insert into "customer" (id, guid, name, city_id, created_at) values
+    (1000, '823c50de-4c81-49bd-a69a-2d52be42b728', 'Customer', 1000, '2025-01-01 12:10:05 +00:00')
+;

db/src/test/resources/sql/insert_order.sql

@@ -0,0 +1,3 @@
+insert into "order" (id, guid, customer_id, created_at) values
+  (1000, '2c960a08-7187-4e91-9ef3-275c91b1342c', 1000, '2025-01-01 12:10:05 +00:00')
+;

db/src/test/resources/sql/insert_order_product.sql

@@ -0,0 +1,3 @@
+insert into "order_product" (guid, order_id, product_id, created_at) values
+    ('930f54e2-c60d-448e-83b1-0d259ff2c2d3', 1000, 1000, '2025-01-01 12:10:05 +00:00')
+;

db/src/test/resources/sql/insert_product.sql

@@ -0,0 +1,3 @@
+insert into "product" (id, guid, name, description, price, created_at) values
+    (1000, '1fb5c7e4-8ce2-43b8-8ca7-1089b04959b9', 'product', 'description', 10000, '2025-01-01 12:10:05 +00:00')
+;

gradle/libs.versions.toml

@@ -42,9 +42,10 @@ testcontainers-postgresql = { module = "org.testcontainers:postgresql", version.
 tracing = ["micrometer-bridge-otel", "otel-exporter"]
 
 [plugins]
+kotlin-kover = { id = "org.jetbrains.kotlinx.kover", version = "0.8.3" }
+kotlin-jpa = { id = "org.jetbrains.kotlin.plugin.jpa", version.ref = "kotlin" }
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
-kotlin-jpa = { id = "org.jetbrains.kotlin.plugin.jpa", version.ref = "kotlin" }
 kotlin-spring = { id = "org.jetbrains.kotlin.plugin.spring", version.ref = "kotlin" }
 spring-boot = { id = "org.springframework.boot", version.ref = "spring-boot" }
 spring-dependencyManagement = { id = "io.spring.dependency-management", version = "1.1.6"}

settings.gradle.kts

@@ -1 +1,2 @@
 rootProject.name = "demo"
+include("db")