Merge pull request #8125 from eugenp/revert-8119-BAEL-3275-2

Revert "BAEL-3275: Using blocking queue for pub-sub"

testing-modules/junit-5/src/main/java/com/baeldung/abstractclass/abstractmethod/AbstractMethodCalling.java

@@ -0,0 +1,17 @@
+/**
+ * 
+ */
+package com.baeldung.abstractclass.abstractmethod;
+
+/**
+ * When method calls abstract method.
+ */
+public abstract class AbstractMethodCalling {
+
+    public abstract String abstractFunc();
+
+    public String defaultImpl() {
+        String res = abstractFunc();
+        return (res == null) ? "Default" : (res + " Default");
+    }
+}

testing-modules/junit-5/src/main/java/com/baeldung/abstractclass/indepedentmethod/AbstractIndependent.java

@@ -0,0 +1,14 @@
+package com.baeldung.abstractclass.indepedentmethod;
+
+/**
+ * Test Independent Method
+ * 
+ */
+public abstract class AbstractIndependent {
+
+    public abstract int abstractFunc();
+
+    public String defaultImpl() {
+        return "DEFAULT-1";
+    }
+}

testing-modules/junit-5/src/main/java/com/baeldung/abstractclass/indepedentmethod/ConcreteImpl.java

@@ -0,0 +1,10 @@
+package com.baeldung.abstractclass.indepedentmethod;
+
+public class ConcreteImpl extends AbstractIndependent {
+
+    @Override
+    public int abstractFunc() {
+        return 4;
+    }
+
+}

testing-modules/junit-5/src/main/java/com/baeldung/abstractclass/instancefields/AbstractInstanceFields.java

@@ -0,0 +1,22 @@
+package com.baeldung.abstractclass.instancefields;
+
+/**
+ * Test Independent Method
+ */
+public abstract class AbstractInstanceFields {
+
+    protected int count;
+    private boolean active = false;
+
+    public abstract int abstractFunc();
+
+    public String testFunc() {
+        String response;
+        if (count > 5) {
+            response = "Overflow";
+        } else {
+            response = active ? "Added" : "Blocked";
+        }
+        return response;
+    }
+}

testing-modules/junit-5/src/main/java/com/baeldung/abstractclass/privatemethod/AbstractPrivateMethods.java

@@ -0,0 +1,17 @@
+package com.baeldung.abstractclass.privatemethod;
+
+import java.time.LocalDateTime;
+
+public abstract class AbstractPrivateMethods {
+
+    public abstract int abstractFunc();
+
+    public String defaultImpl() {
+        return getCurrentDateTime() + "DEFAULT-1";
+    }
+
+    private String getCurrentDateTime() {
+        return LocalDateTime.now()
+            .toString();
+    }
+}

testing-modules/junit-5/src/main/java/com/baeldung/junit5/mockito/User.java

@@ -0,0 +1,41 @@
+package com.baeldung.junit5.mockito;
+
+public class User {
+    
+    private Integer id;
+    private String name;
+    private int age;
+    
+    public User() {
+    }
+    
+    public User(String name, int age) {
+        this.name = name;
+        this.age = age;
+    }
+    
+    public Integer getId() {
+        return id;
+    }
+    public void setId(Integer id) {
+        this.id = id;
+    }
+    public String getName() {
+        return name;
+    }
+    public void setName(String name) {
+        this.name = name;
+    }
+    public int getAge() {
+        return age;
+    }
+    public void setAge(int age) {
+        this.age = age;
+    }
+
+    @Override
+    public String toString() {
+        return "User [id=" + id + ", name=" + name + ", age=" + age + "]";
+    }
+
+}

testing-modules/junit-5/src/main/java/com/baeldung/junit5/mockito/repository/MailClient.java

@@ -0,0 +1,9 @@
+package com.baeldung.junit5.mockito.repository;
+
+import com.baeldung.junit5.mockito.User;
+
+public interface MailClient {
+
+    void sendUserRegistrationMail(User user);
+    
+}

testing-modules/junit-5/src/main/java/com/baeldung/junit5/mockito/repository/SettingRepository.java

@@ -0,0 +1,9 @@
+package com.baeldung.junit5.mockito.repository;
+
+public interface SettingRepository {
+    
+    int getUserMinAge();
+
+    int getUserNameMinLength();
+
+}

testing-modules/junit-5/src/main/java/com/baeldung/junit5/mockito/repository/UserRepository.java

@@ -0,0 +1,10 @@
+package com.baeldung.junit5.mockito.repository;
+
+import com.baeldung.junit5.mockito.User;
+
+public interface UserRepository {
+
+    User insert(User user);
+    boolean isUsernameAlreadyExists(String userName);
+    
+}

testing-modules/junit-5/src/main/java/com/baeldung/junit5/mockito/service/DefaultUserService.java

@@ -0,0 +1,46 @@
+package com.baeldung.junit5.mockito.service;
+
+import com.baeldung.junit5.mockito.User;
+import com.baeldung.junit5.mockito.repository.MailClient;
+import com.baeldung.junit5.mockito.repository.SettingRepository;
+import com.baeldung.junit5.mockito.repository.UserRepository;
+
+public class DefaultUserService implements UserService {
+    
+    private UserRepository userRepository;
+    private SettingRepository settingRepository;
+    private MailClient mailClient;
+    
+    public DefaultUserService(UserRepository userRepository, SettingRepository settingRepository, MailClient mailClient) {
+        this.userRepository = userRepository;
+        this.settingRepository = settingRepository;
+        this.mailClient = mailClient;
+    }
+
+    @Override
+    public User register(User user) {
+        validate(user);
+        User insertedUser = userRepository.insert(user);
+        mailClient.sendUserRegistrationMail(insertedUser);
+        return insertedUser;
+    }
+
+    private void validate(User user) {
+        if(user.getName() == null) {
+            throw new RuntimeException(Errors.USER_NAME_REQUIRED);
+        }
+
+        if(user.getName().length() < settingRepository.getUserNameMinLength()) {
+            throw new RuntimeException(Errors.USER_NAME_SHORT);
+        }
+        
+        if(user.getAge() < settingRepository.getUserMinAge()) {
+            throw new RuntimeException(Errors.USER_AGE_YOUNG);
+        }
+        
+        if(userRepository.isUsernameAlreadyExists(user.getName())) {
+            throw new RuntimeException(Errors.USER_NAME_DUPLICATE);
+        }
+    }
+
+}

testing-modules/junit-5/src/main/java/com/baeldung/junit5/mockito/service/Errors.java

@@ -0,0 +1,10 @@
+package com.baeldung.junit5.mockito.service;
+
+public class Errors {
+
+    public static final String USER_NAME_REQUIRED = "user.name.required";
+    public static final String USER_NAME_SHORT = "user.name.short";
+    public static final String USER_AGE_YOUNG = "user.age.young";
+    public static final String USER_NAME_DUPLICATE = "user.name.duplicate";
+    
+}

testing-modules/junit-5/src/main/java/com/baeldung/junit5/mockito/service/UserService.java

@@ -0,0 +1,9 @@
+package com.baeldung.junit5.mockito.service;
+
+import com.baeldung.junit5.mockito.User;
+
+public interface UserService {
+    
+    User register(User user);
+
+}