Added initializing app in development mode by using ServiceConnection…

… - PostgresInitializer.kt has been removed

build.gradle.kts

@@ -58,7 +58,7 @@ dependencies {
     implementation("io.github.openfeign:feign-jackson:12.4")
     implementation("org.springframework.cloud:spring-cloud-starter-openfeign:3.1.2")
     implementation("org.postgresql:postgresql:42.3.1")
-    implementation("org.testcontainers:postgresql:1.20.2")
+    implementation("org.flywaydb:flyway-core")
 
     // Spring Boot Test
     testImplementation("org.springframework.boot:spring-boot-starter-test")
@@ -74,7 +74,10 @@ dependencies {
     testImplementation("org.springframework.boot:spring-boot-starter-test")
     testImplementation("org.wiremock:wiremock:3.9.1")
     testImplementation("org.testcontainers:junit-jupiter:1.20.2")
-    testImplementation("org.flywaydb:flyway-core")
+    testImplementation("org.testcontainers:testcontainers:1.20.2")
+    testImplementation("org.springframework.boot:spring-boot-testcontainers")
+    testImplementation("org.testcontainers:postgresql:1.20.2")
+
     testRuntimeOnly("org.postgresql:postgresql")
 }
 

src/integrationTest/kotlin/camilyed/github/io/currencyexchangeapi/TestCurrencyExchangeApiApplication.kt

@@ -0,0 +1,12 @@
+package camilyed.github.io.currencyexchangeapi
+
+import camilyed.github.io.CurrencyExchangeApiApplication
+import camilyed.github.io.currencyexchangeapi.testing.config.DevelopmentTimeConfig
+import org.springframework.boot.builder.SpringApplicationBuilder
+
+fun main(args: Array<String>) {
+    SpringApplicationBuilder()
+        .sources(CurrencyExchangeApiApplication::class.java, DevelopmentTimeConfig::class.java)
+        .profiles("test")
+        .run(*args)
+}

src/integrationTest/kotlin/camilyed/github/io/currencyexchangeapi/testing/BaseIntegrationTest.kt

@@ -2,7 +2,7 @@ package camilyed.github.io.currencyexchangeapi.testing
 
 import camilyed.github.io.CurrencyExchangeApiApplication
 import camilyed.github.io.currencyexchangeapi.testing.abilties.MakeRequestAbility
-import camilyed.github.io.currencyexchangeapi.testing.postgres.PostgresInitializer
+import camilyed.github.io.currencyexchangeapi.testing.config.POSTGRES_SQL_CONTAINER
 import camilyed.github.io.currencyexchangeapi.testing.utils.DatabaseCleaner
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
@@ -13,13 +13,13 @@ import org.junit.jupiter.api.BeforeEach
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.context.SpringBootTest
 import org.springframework.boot.test.web.client.TestRestTemplate
+import org.springframework.boot.testcontainers.service.connection.ServiceConnection
 import org.springframework.test.context.ActiveProfiles
 import org.springframework.test.context.ContextConfiguration
 import org.springframework.test.context.DynamicPropertyRegistry
 import org.springframework.test.context.DynamicPropertySource
 
 @ContextConfiguration(
-    initializers = [PostgresInitializer::class],
     classes = [CurrencyExchangeApiApplication::class],
 )
 @ActiveProfiles("test")
@@ -43,7 +43,11 @@ class BaseIntegrationTest : MakeRequestAbility {
     }
 
     companion object {
-        protected val wireMock = WireMockServer(0)
+
+        @ServiceConnection
+        val postgresSQLContainer = POSTGRES_SQL_CONTAINER
+
+        private val wireMock = WireMockServer(0)
 
         @JvmStatic
         @DynamicPropertySource
@@ -53,24 +57,55 @@ class BaseIntegrationTest : MakeRequestAbility {
 
         @JvmStatic
         @BeforeAll
-        fun startWireMock() {
+        fun start() {
+            startWiremock()
+            startPostgresContainer()
+        }
+
+        private fun startWiremock() {
             if (!wireMock.isRunning) {
+                println("Starting Wiremock...")
                 wireMock.start()
                 WireMock.configureFor(wireMock.port())
-                println("WIREMOCK STARTED at port: ${wireMock.port()}")
+                println("Wiremock started at port: ${wireMock.port()}")
+            }
+        }
+
+        private fun startPostgresContainer() {
+            if (!postgresSQLContainer.isRunning) {
+                println("Starting PostgresContainer...")
+                postgresSQLContainer.start()
+                println("PostgresContainer started")
             }
         }
 
         init {
+            addShutdownHooks()
+        }
+
+        private fun addShutdownHooks() {
             Runtime.getRuntime().addShutdownHook(
                 Thread {
-                    if (wireMock.isRunning) {
-                        println("Shutting down WireMock server...")
-                        wireMock.stop()
-                        println("WireMock stopped")
-                    }
+                    shutdownWiremock()
+                    shutdownPostgresContainer()
                 },
             )
         }
+
+        private fun shutdownWiremock() {
+            if (wireMock.isRunning) {
+                println("Shutting down WireMock server...")
+                wireMock.stop()
+                println("WireMock stopped")
+            }
+        }
+
+        private fun shutdownPostgresContainer() {
+            if (postgresSQLContainer.isRunning) {
+                println("Shutting down PostgresContainer...")
+                postgresSQLContainer.stop()
+                println("PostgresContainer stopped")
+            }
+        }
     }
 }

src/integrationTest/kotlin/camilyed/github/io/currencyexchangeapi/testing/config/DevelopmentTimeConfig.kt

@@ -0,0 +1,13 @@
+package camilyed.github.io.currencyexchangeapi.testing.config
+
+import org.springframework.boot.test.context.TestConfiguration
+import org.springframework.boot.testcontainers.service.connection.ServiceConnection
+import org.springframework.context.annotation.Bean
+
+@TestConfiguration(proxyBeanMethods = false)
+class DevelopmentTimeConfig {
+
+    @Bean
+    @ServiceConnection
+    fun postgresSQLContainer() = POSTGRES_SQL_CONTAINER
+}

src/integrationTest/kotlin/camilyed/github/io/currencyexchangeapi/testing/config/PostgresSqlContainer.kt

@@ -0,0 +1,11 @@
+package camilyed.github.io.currencyexchangeapi.testing.config
+
+import org.testcontainers.containers.PostgreSQLContainer
+
+val POSTGRES_SQL_CONTAINER = PostgreSQLContainer("postgres:13.4-alpine")
+    .apply {
+        withDatabaseName("test_db")
+        withUsername("test_user")
+        withPassword("test_password")
+        withInitScript("init.sql")
+    }

src/integrationTest/resources/application-test.yml

@@ -1,6 +0,0 @@
-
-spring:
-    datasource:
-        url: jdbc:postgresql://localhost:5432/currency_exchange_db
-        username: myuser
-        password: mypassword

src/main/kotlin/camilyed/github/io/CurrencyExchangeApiApplication.kt

@@ -1,9 +1,8 @@
 package camilyed.github.io
 
-import camilyed.github.io.currencyexchangeapi.infrastructure.PostgresInitializer
-import org.springframework.boot.SpringApplication
 import org.springframework.boot.autoconfigure.ImportAutoConfiguration
 import org.springframework.boot.autoconfigure.SpringBootApplication
+import org.springframework.boot.runApplication
 import org.springframework.cloud.openfeign.EnableFeignClients
 import org.springframework.cloud.openfeign.FeignAutoConfiguration
 
@@ -13,7 +12,5 @@ import org.springframework.cloud.openfeign.FeignAutoConfiguration
 class CurrencyExchangeApiApplication
 
 fun main(args: Array<String>) {
-    val application = SpringApplication(CurrencyExchangeApiApplication::class.java)
-    application.addInitializers(PostgresInitializer())
-    application.run(*args)
+    runApplication<CurrencyExchangeApiApplication>(*args)
 }