[BAEL-3913] Prevent Application / CommandLineRunner classes from executing during JUnit testing (#8920)

* kkaravitis@gmail.com hexagonal architecture in java

* Removed evaluation article code

* Removed evaluation article code

* [BAEL-3913] Initial commit for prevent commandline application runner execution during JUnit test article

* [BAEL-3913] Fixed broken lines format and reduced the test method names length

* [BAEL-3913] Fixed broken lines format

spring-boot-modules/spring-boot-testing/src/main/java/com/baeldung/prevent/commandline/application/runner/execution/ApplicationCommandLineRunnerApp.java

@@ -0,0 +1,11 @@
+package com.baeldung.prevent.commandline.application.runner.execution;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class ApplicationCommandLineRunnerApp {
+    public static void main(String[] args) {
+        SpringApplication.run(ApplicationCommandLineRunnerApp.class, args);
+    }
+}

spring-boot-modules/spring-boot-testing/src/main/java/com/baeldung/prevent/commandline/application/runner/execution/ApplicationRunnerTaskExecutor.java

@@ -0,0 +1,27 @@
+package com.baeldung.prevent.commandline.application.runner.execution;
+
+import org.springframework.boot.ApplicationArguments;
+import org.springframework.boot.ApplicationRunner;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.annotation.Profile;
+import org.springframework.stereotype.Component;
+
+@Profile("!test")
+@ConditionalOnProperty(
+  prefix = "application.runner", 
+  value = "enabled", 
+  havingValue = "true", 
+  matchIfMissing = true)
+@Component
+public class ApplicationRunnerTaskExecutor implements ApplicationRunner {
+    private TaskService taskService;
+
+    public ApplicationRunnerTaskExecutor(TaskService taskService) {
+        this.taskService = taskService;
+    }
+
+    @Override
+    public void run(ApplicationArguments args) throws Exception {
+        taskService.execute("application runner task");
+    }
+}

spring-boot-modules/spring-boot-testing/src/main/java/com/baeldung/prevent/commandline/application/runner/execution/CommandLineTaskExecutor.java

@@ -0,0 +1,26 @@
+package com.baeldung.prevent.commandline.application.runner.execution;
+
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.annotation.Profile;
+import org.springframework.stereotype.Component;
+
+@Profile("!test")
+@ConditionalOnProperty(
+  prefix = "command.line.runner", 
+  value = "enabled", 
+  havingValue = "true", 
+  matchIfMissing = true)
+@Component
+public class CommandLineTaskExecutor implements CommandLineRunner {
+    private TaskService taskService;
+
+    public CommandLineTaskExecutor(TaskService taskService) {
+        this.taskService = taskService;
+    }
+
+    @Override
+    public void run(String... args) throws Exception {
+        taskService.execute("command line runner task");
+    }
+}

spring-boot-modules/spring-boot-testing/src/main/java/com/baeldung/prevent/commandline/application/runner/execution/TaskService.java

@@ -0,0 +1,14 @@
+package com.baeldung.prevent.commandline.application.runner.execution;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Service;
+
+@Service
+public class TaskService {
+    private static Logger logger = LoggerFactory.getLogger(TaskService.class);
+
+    public void execute(String task) {
+        logger.info("do " + task);
+    }
+}