Merge pull request #653 from fabiotadashi/KTLN-612/console-app

Creating a Spring Boot Console Application with Kotlin

Author: Maiklins

spring-boot-kotlin-2/src/main/kotlin/com/baeldung/consoleapp/CommandLineFirstComponent.kt

@@ -0,0 +1,17 @@
+package com.baeldung.consoleapp
+
+import org.slf4j.LoggerFactory
+import org.springframework.boot.CommandLineRunner
+import org.springframework.core.annotation.Order
+import org.springframework.stereotype.Component
+
+@Component
+@Order(0)
+class CommandLineFirstComponent: CommandLineRunner {
+
+    private val log = LoggerFactory.getLogger(CommandLineFirstComponent::class.java)
+
+    override fun run(vararg args: String?) {
+        log.info(CommandLineFirstComponent::class.simpleName)
+    }
+}

spring-boot-kotlin-2/src/main/kotlin/com/baeldung/consoleapp/CommandLineSecondComponent.kt

@@ -0,0 +1,17 @@
+package com.baeldung.consoleapp
+
+import org.slf4j.LoggerFactory
+import org.springframework.boot.CommandLineRunner
+import org.springframework.core.annotation.Order
+import org.springframework.stereotype.Component
+
+@Component
+@Order(1)
+class CommandLineSecondComponent: CommandLineRunner {
+
+    private val log = LoggerFactory.getLogger(CommandLineSecondComponent::class.java)
+
+    override fun run(vararg args: String?) {
+        log.info(CommandLineSecondComponent::class.simpleName)
+    }
+}

spring-boot-kotlin-2/src/test/kotlin/com/baeldung/consoleapp/ConsoleApplicationIntegrationTest.kt

@@ -0,0 +1,27 @@
+package com.baeldung.consoleapp
+
+import org.assertj.core.api.Assertions.assertThat
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.test.context.junit4.SpringRunner
+
+@RunWith(SpringRunner::class)
+@SpringBootTest(properties = ["spring.main.web-application-type=NONE"])
+class ConsoleApplicationIntegrationTest {
+
+    @Autowired
+    lateinit var commandLineFirstComponent: CommandLineFirstComponent
+
+    @Autowired
+    lateinit var commandLineSecondComponent: CommandLineSecondComponent
+
+
+    @Test
+    fun whenComponentsAreAvailable_thenShouldBindToProperties() {
+        assertThat(commandLineFirstComponent).isNotNull
+        assertThat(commandLineSecondComponent).isNotNull
+    }
+
+}