Merge pull request #7857 from at508/master

[BAEL-2998] - Adding example for @DirtiesContext

testing-modules/spring-testing/src/main/java/com/baeldung/dirtiescontext/SpringDataRestApplication.java

@@ -0,0 +1,13 @@
+package com.baeldung.dirtiescontext;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringDataRestApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringDataRestApplication.class, args);
+    }
+
+}

testing-modules/spring-testing/src/main/java/com/baeldung/dirtiescontext/User.java

@@ -0,0 +1,9 @@
+package com.baeldung.dirtiescontext;
+
+public class User {
+
+    String firstName;
+
+    String lastName;
+
+}

testing-modules/spring-testing/src/main/java/com/baeldung/dirtiescontext/UserCache.java

@@ -0,0 +1,28 @@
+package com.baeldung.dirtiescontext;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.springframework.stereotype.Component;
+
+import lombok.Getter;
+
+@Component
+public class UserCache {
+
+    @Getter
+    private Set<String> userList = new HashSet<>();
+
+    public boolean addUser(String user) {
+        return userList.add(user);
+    }
+
+    public boolean removeUser(String user) {
+        return userList.remove(user);
+    }
+
+    public void printUserList(String message) {
+        System.out.println(message + ": " + userList);
+    }
+
+}

testing-modules/spring-testing/src/test/java/com/baeldung/dirtiescontext/DirtiesContextIntegrationTest.java

@@ -0,0 +1,49 @@
+package com.baeldung.dirtiescontext;
+
+import org.junit.jupiter.api.MethodOrderer.OrderAnnotation;
+import org.junit.jupiter.api.Order;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestMethodOrder;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.annotation.DirtiesContext.MethodMode;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+
+@TestMethodOrder(OrderAnnotation.class)
+@ExtendWith(SpringExtension.class)
+@SpringBootTest(classes = SpringDataRestApplication.class)
+class DirtiesContextIntegrationTest {
+
+    @Autowired
+    protected UserCache userCache;
+
+    @Test
+    @Order(1)
+    void addJaneDoeAndPrintCache() {
+        userCache.addUser("Jane Doe");
+        userCache.printUserList("addJaneDoeAndPrintCache");
+    }
+
+    @Test
+    @Order(2)
+    void printCache() {
+        userCache.printUserList("printCache");
+    }
+
+    @DirtiesContext(methodMode = MethodMode.AFTER_METHOD)
+    @Test
+    @Order(3)
+    void addJohnDoeAndPrintCache() {
+        userCache.addUser("John Doe");
+        userCache.printUserList("addJohnDoeAndPrintCache");
+    }
+
+    @Test
+    @Order(4)
+    void printCacheAgain() {
+        userCache.printUserList("printCacheAgain");
+    }
+
+}