BAEL-900 Guide to dynamic tests in Junit 5 (#1932)

* BAEL-900 Guide to dynamic tests in Junit 5

* BAEL-900 Guide to Dynamic Tests in Junit 5

* Revert "BAEL-900 Guide to Dynamic Tests in Junit 5"

This reverts commit d0d45c9067223347da20d0f2c80de391fcade38e.

* BAEL-900 Guide to Dynamic Tests in Junit 5

* BAEL-900 Guide to dynamic tests in Junit 5

* removed unnecessary annotation

* BAEL-900 unused imports removed

junit5/src/test/java/com/baeldung/DynamicTestsExample.java

@@ -18,6 +18,9 @@ import org.junit.jupiter.api.DynamicTest;
 import org.junit.jupiter.api.TestFactory;
 import org.junit.jupiter.api.function.ThrowingConsumer;
 
+import com.baeldung.helpers.Employee;
+import com.baeldung.helpers.EmployeeDao;
+
 public class DynamicTestsExample {
 
     @TestFactory
@@ -111,6 +114,29 @@ public class DynamicTestsExample {
         
     }
 
+    @TestFactory
+    Stream<DynamicTest> dynamicTestsForEmployeeWorkflows() {
+        List<Employee> inputList =
+            Arrays.asList(new Employee(1, "Fred"), new Employee(2), new Employee(3, "John"));
+        
+        EmployeeDao dao = new EmployeeDao();
+        Stream<DynamicTest> saveEmployeeStream = inputList.stream().map(emp -> 
+            DynamicTest.dynamicTest("saveEmployee: " + emp.toString(), () -> {
+            Employee returned = dao.save(emp.getId());
+            assertEquals(returned.getId(), emp.getId());
+        }));
+        
+        Stream<DynamicTest> saveEmployeeWithFirstNameStream 
+            = inputList.stream().filter(emp -> !emp.getFirstName().isEmpty())
+            .map(emp -> DynamicTest.dynamicTest("saveEmployeeWithName" + emp.toString(), () -> {
+            Employee returned = dao.save(emp.getId(), emp.getFirstName());
+            assertEquals(returned.getId(), emp.getId());
+            assertEquals(returned.getFirstName(), emp.getFirstName());
+        }));
+        
+        return Stream.concat(saveEmployeeStream, saveEmployeeWithFirstNameStream);
+    }
+    
     class DomainNameResolver {
         
         private Map<String, String> ipByDomainName = new HashMap<>();

junit5/src/test/java/com/baeldung/helpers/Employee.java

@@ -0,0 +1,38 @@
+package com.baeldung.helpers;
+
+public class Employee {
+
+    private long id;
+    private String firstName;
+
+    public Employee(long id) {
+        this.id = id;
+        this.firstName = "";
+    }
+
+    public Employee(long id, String firstName) {
+        this.id = id;
+        this.firstName = firstName;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    @Override
+    public String toString() {
+        return "Employee [id=" + id + ", firstName=" + firstName + "]";
+    }
+}

junit5/src/test/java/com/baeldung/helpers/EmployeeDao.java

@@ -0,0 +1,16 @@
+package com.baeldung.helpers;
+
+public class EmployeeDao {
+
+    public Employee save(long id) {
+        return new Employee(id);
+    }
+
+    public Employee save(long id, String firstName) {
+        return new Employee(id, firstName);
+    }
+
+    public Employee update(Employee employee) {
+        return employee;
+    }
+}