hajarrs/[email protected] (eugenp#17902)

Co-authored-by: hajar.qaibou_juliusbaer.com <[email protected]>

spring-boot-modules/pom.xml

@@ -79,22 +79,24 @@
         <module>spring-boot-telegram</module>
         <module>spring-boot-springdoc</module>
         <module>spring-boot-swagger</module>
-<!--        <module>spring-boot-swagger-2</module>--> <!-- failing after upgrading to spring boot 3. Swagger codegen yet not compatible?!-->
+        <!--        <module>spring-boot-swagger-2</module>--> <!-- failing after upgrading to spring boot 3. Swagger codegen yet not
+        compatible?!-->
         <module>spring-boot-swagger-jwt</module>
         <module>spring-boot-swagger-keycloak</module>
         <module>spring-boot-swagger-springfox</module>
         <module>spring-boot-testing</module>
         <module>spring-boot-testing-2</module>
         <module>spring-boot-testing-3</module>
+        <module>spring-boot-testing-4</module>
         <module>spring-boot-testing-spock</module>
         <module>spring-boot-vue</module>
         <module>spring-boot-actuator</module>
         <module>spring-boot-data-2</module>
         <module>spring-boot-validation</module>
-<!--        <module>spring-boot-data-3</module>--> <!-- failing after upgrading to spring boot 3.2.x -->
+        <!--        <module>spring-boot-data-3</module>--> <!-- failing after upgrading to spring boot 3.2.x -->
         <module>spring-boot-redis</module>
         <module>spring-boot-cassandre</module>
-<!--        <module>spring-boot-react</module>--> <!-- Migrated to heavy profile -->
+        <!--        <module>spring-boot-react</module>--> <!-- Migrated to heavy profile -->
         <module>spring-caching-3</module>
         <!-- <module>spring-boot-3</module> --> <!-- JAVA-20931 -->
         <module>spring-boot-3-grpc</module>
@@ -132,7 +134,7 @@
                         <arg>-parameters</arg>
                     </compilerArgs>
                 </configuration>
-           </plugin>
+            </plugin>
         </plugins>
     </build>
 
@@ -155,4 +157,4 @@
         </dependencies>
     </dependencyManagement>
 
-</project>
+</project>

spring-boot-modules/spring-boot-testing-3/src/main/java/com/baeldung/Application.java

@@ -9,4 +9,4 @@ public class Application {
     public static void main(String[] args) {
         SpringApplication.run(Application.class, args);
     }
-}
+}

spring-boot-modules/spring-boot-testing-4/.gitignore

@@ -0,0 +1,5 @@
+/target/
+.settings/
+.classpath
+.project
+

spring-boot-modules/spring-boot-testing-4/README.md

@@ -0,0 +1,9 @@
+## Spring Boot Testing
+
+This module contains articles about Spring Boot testing
+
+### The Course
+
+The "REST With Spring" Classes: http://bit.ly/restwithspring
+
+### Relevant Articles:

spring-boot-modules/spring-boot-testing-4/pom.xml

@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>spring-boot-testing-4</artifactId>
+    <name>spring-boot-testing-4</name>
+    <packaging>jar</packaging>
+    <description>This is simple boot application for demonstrating testing features.</description>
+
+    <parent>
+        <groupId>com.baeldung.spring-boot-modules</groupId>
+        <artifactId>spring-boot-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>0.8.7</version>
+                <configuration>
+                    <excludes>
+                        <exclude>com/baeldung/Application*</exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <start-class>com.baeldung.Application</start-class>
+        <gson.version>2.11.0</gson.version>
+    </properties>
+
+</project>

spring-boot-modules/spring-boot-testing-4/src/main/java/com/baeldung/Application.java

@@ -0,0 +1,26 @@
+package com.baeldung.mainclasstest;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.ConfigurableApplicationContext;
+
+@SpringBootApplication
+public class Application {
+    /*
+        //@Generated(value = "Spring Boot")
+        @SuppressWarnings("unused")
+        public static void main(String[] args) {
+
+            SpringApplication app = new SpringApplication(Application.class);
+            app.setBannerMode(Banner.Mode.OFF); app.setLogStartupInfo(false);
+            app.setDefaultProperties(Collections.singletonMap("server.port", "8083")); app.run(args);
+        }
+     */
+    public static void main(String[] args) {
+        initializeApplication(args);
+    }
+
+    static ConfigurableApplicationContext initializeApplication(String[] args) {
+        return SpringApplication.run(Application.class, args);
+    }
+}

spring-boot-modules/spring-boot-testing-4/src/test/java/com/baeldung/mainclasstest/ApplicationArgumentsTest.java

@@ -0,0 +1,11 @@
+package com.baeldung.mainclasstest;
+
+import org.junit.jupiter.api.Test;
+
+public class ApplicationArgumentsTest {
+    @Test
+    public void testMainWithArguments() {
+        String[] args = { "--spring.profiles.active=test" };
+        Application.main(args);
+    }
+}

spring-boot-modules/spring-boot-testing-4/src/test/java/com/baeldung/mainclasstest/ApplicationContextTest.java

@@ -0,0 +1,12 @@
+package com.baeldung.mainclasstest;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class ApplicationContextTest {
+
+    @Test
+    void contextLoads() {
+    }
+}

spring-boot-modules/spring-boot-testing-4/src/test/java/com/baeldung/mainclasstest/ApplicationMainTest.java

@@ -0,0 +1,11 @@
+package com.baeldung.mainclasstest;
+
+import org.junit.jupiter.api.Test;
+
+public class ApplicationMainTest {
+
+    @Test
+    public void testMain() {
+        Application.main(new String[] {});
+    }
+}

spring-boot-modules/spring-boot-testing-4/src/test/java/com/baeldung/mainclasstest/ApplicationMockTest.java

@@ -0,0 +1,24 @@
+package com.baeldung.mainclasstest;
+
+import static org.mockito.Mockito.*;
+import org.junit.jupiter.api.Test;
+import org.mockito.MockedStatic;
+import org.springframework.boot.SpringApplication;
+import org.springframework.context.ConfigurableApplicationContext;
+
+public class ApplicationMockTest {
+
+    @Test
+    public void testInitializeApplicationWithMock() {
+        try (MockedStatic<SpringApplication> springApplicationMock = mockStatic(SpringApplication.class)) {
+            ConfigurableApplicationContext mockContext = mock(ConfigurableApplicationContext.class);
+
+            springApplicationMock.when(() -> SpringApplication.run(Application.class, new String[] {}))
+                    .thenReturn(mockContext);
+
+            Application.initializeApplication(new String[] {});
+
+            springApplicationMock.verify(() -> SpringApplication.run(Application.class, new String[] {}));
+        }
+    }
+}

spring-boot-modules/spring-boot-testing-4/src/test/java/com/baeldung/mainclasstest/ApplicationUseMainTest.java

@@ -0,0 +1,11 @@
+package com.baeldung.mainclasstest;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest(useMainMethod = SpringBootTest.UseMainMethod.ALWAYS)
+public class ApplicationUseMainTest {
+    @Test
+    public void contextLoads() {
+    }
+}