diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/Employee.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/Employee.java new file mode 100644 index 0000000000..6f0ac60cca --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/Employee.java @@ -0,0 +1,14 @@ +package com.baeldung.lombok.equalsandhashcode; + +import lombok.AllArgsConstructor; +import lombok.EqualsAndHashCode; +import lombok.Getter; + +@Getter +@EqualsAndHashCode +@AllArgsConstructor +public class Employee { + private String name; + private int id; + private int age; +} diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/EmployeeDelomboked.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/EmployeeDelomboked.java new file mode 100644 index 0000000000..afae2d4c17 --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/EmployeeDelomboked.java @@ -0,0 +1,57 @@ +package com.baeldung.lombok.equalsandhashcode; + +import lombok.Getter; + +@Getter +public class EmployeeDelomboked { + + private String name; + private int id; + private int age; + + public EmployeeDelomboked() { + } + + public boolean equals(Object o) { + if (o == this) { + return true; + } else if (!(o instanceof Employee)) { + return false; + } else { + Employee other = (Employee) o; + if (!other.canEqual(this)) { + return false; + } else if (this.getId() != other.getId()) { + return false; + } else if (this.getAge() != other.getAge()) { + return false; + } else { + Object this$name = this.getName(); + Object other$name = other.getName(); + if (this$name == null) { + if (other$name == null) { + return true; + } + } else if (this$name.equals(other$name)) { + return true; + } + + return false; + } + } + } + + protected boolean canEqual(Object other) { + return other instanceof Employee; + } + + public int hashCode() { + final int PRIME = 59; + int result = 1; + result = result * PRIME + this.getId(); + result = result * PRIME + this.getAge(); + Object $name = this.getName(); + result = result * PRIME + ($name == null ? 43 : $name.hashCode()); + return result; + } +} diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/commonissue/Employee.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/commonissue/Employee.java new file mode 100644 index 0000000000..91090a4a8c --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/commonissue/Employee.java @@ -0,0 +1,20 @@ +package com.baeldung.lombok.equalsandhashcode.commonissue; + +import lombok.AllArgsConstructor; +import lombok.EqualsAndHashCode; +import lombok.Getter; +import lombok.NoArgsConstructor; +import lombok.Setter; + +@Getter +@Setter +@EqualsAndHashCode +@AllArgsConstructor +@NoArgsConstructor +public class Employee { + private String name; + private int id; + private int age; + private Manager manager; +} + diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/commonissue/EmployeeV2.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/commonissue/EmployeeV2.java new file mode 100644 index 0000000000..02bbbacaed --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/commonissue/EmployeeV2.java @@ -0,0 +1,17 @@ +package com.baeldung.lombok.equalsandhashcode.commonissue; + +import lombok.AllArgsConstructor; +import lombok.EqualsAndHashCode; +import lombok.Getter; +import lombok.Setter; + +@Getter +@Setter +@EqualsAndHashCode(exclude = "manager") +@AllArgsConstructor +public class EmployeeV2 { + private String name; + private int id; + private int age; + private ManagerV2 manager; +} diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/commonissue/Manager.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/commonissue/Manager.java new file mode 100644 index 0000000000..aa6221d54a --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/commonissue/Manager.java @@ -0,0 +1,16 @@ +package com.baeldung.lombok.equalsandhashcode.commonissue; + +import lombok.AllArgsConstructor; +import lombok.EqualsAndHashCode; +import lombok.Getter; +import lombok.Setter; + +@Getter +@Setter +@EqualsAndHashCode +@AllArgsConstructor +public class Manager { + private String name; + private Employee assistantManager; +} + diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/commonissue/ManagerV2.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/commonissue/ManagerV2.java new file mode 100644 index 0000000000..67068341f3 --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/commonissue/ManagerV2.java @@ -0,0 +1,16 @@ +package com.baeldung.lombok.equalsandhashcode.commonissue; + +import lombok.AllArgsConstructor; +import lombok.EqualsAndHashCode; +import lombok.Getter; +import lombok.Setter; + +@Getter +@Setter +@EqualsAndHashCode +@AllArgsConstructor +public class ManagerV2 { + private String name; + private EmployeeV2 assistantManager; +} + diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/exclude/classlevel/Employee.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/exclude/classlevel/Employee.java new file mode 100644 index 0000000000..64c95d0e7b --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/exclude/classlevel/Employee.java @@ -0,0 +1,15 @@ +package com.baeldung.lombok.equalsandhashcode.exclude.classlevel; + +import lombok.AllArgsConstructor; +import lombok.EqualsAndHashCode; +import lombok.Getter; + +@Getter +@EqualsAndHashCode(exclude = {"id", "age"}) +@AllArgsConstructor +public class Employee { + private String name; + private int id; + private int age; +} + diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/exclude/classlevel/EmployeeDelomboked.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/exclude/classlevel/EmployeeDelomboked.java new file mode 100644 index 0000000000..edf70689e1 --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/exclude/classlevel/EmployeeDelomboked.java @@ -0,0 +1,37 @@ +package com.baeldung.lombok.equalsandhashcode.exclude.classlevel; + + +import lombok.Getter; + +@Getter +public class EmployeeDelomboked { + private String name; + private int id; + private int age; + + @Override + public boolean equals(final Object o) { + if (o == this) return true; + if (!(o instanceof Employee)) return false; + final Employee other = (Employee) o; + if (!other.canEqual((Object) this)) return false; + final Object this$name = this.getName(); + final Object other$name = other.getName(); + if (this$name == null ? other$name != null : !this$name.equals(other$name)) return false; + return true; + } + + protected boolean canEqual(final Object other) { + return other instanceof Employee; + } + + @Override + public int hashCode() { + final int PRIME = 59; + int result = 1; + final Object $name = this.getName(); + result = result * PRIME + ($name == null ? 43 : $name.hashCode()); + return result; + } +} + diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/exclude/fieldlevel/Employee.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/exclude/fieldlevel/Employee.java new file mode 100644 index 0000000000..a03d1fc43a --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/exclude/fieldlevel/Employee.java @@ -0,0 +1,18 @@ +package com.baeldung.lombok.equalsandhashcode.exclude.fieldlevel; + +import lombok.AllArgsConstructor; +import lombok.EqualsAndHashCode; +import lombok.Getter; + +@Getter +@EqualsAndHashCode +@AllArgsConstructor +public class Employee { + private String name; + @EqualsAndHashCode.Exclude + private int id; + @EqualsAndHashCode.Exclude + private int age; +} + + diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/exclude/fieldlevel/EmployeeDelomboked.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/exclude/fieldlevel/EmployeeDelomboked.java new file mode 100644 index 0000000000..f30ab6f709 --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/exclude/fieldlevel/EmployeeDelomboked.java @@ -0,0 +1,31 @@ +package com.baeldung.lombok.equalsandhashcode.exclude.fieldlevel; + + +import lombok.Getter; + +@Getter +public class EmployeeDelomboked { + private String name; + private int id; + private int age; + + public boolean equals(final Object o) { + if (o == this) return true; + if (!(o instanceof com.baeldung.lombok.equalsandhashcode.exclude.fieldlevel.Employee)) return false; + final com.baeldung.lombok.equalsandhashcode.exclude.fieldlevel.Employee other = (com.baeldung.lombok.equalsandhashcode.exclude.fieldlevel.Employee) o; + if (!other.canEqual((Object) this)) return false; + final Object this$name = this.getName(); + final Object other$name = other.getName(); + if (this$name == null ? other$name != null : !this$name.equals(other$name)) return false; + return true; + } + + public int hashCode() { + final int PRIME = 59; + int result = 1; + final Object $name = this.getName(); + result = result * PRIME + ($name == null ? 43 : $name.hashCode()); + return result; + } +} + diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/include/classlevel/Employee.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/include/classlevel/Employee.java new file mode 100644 index 0000000000..e353c27dfd --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/include/classlevel/Employee.java @@ -0,0 +1,15 @@ +package com.baeldung.lombok.equalsandhashcode.include.classlevel; + +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.EqualsAndHashCode; + +@Data +@EqualsAndHashCode(of = {"name", "id"}) +@AllArgsConstructor +public class Employee { + private String name; + private int id; + private int age; +} + diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/include/fieldlevel/Employee.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/include/fieldlevel/Employee.java new file mode 100644 index 0000000000..c1d4ab5b0f --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/include/fieldlevel/Employee.java @@ -0,0 +1,18 @@ +package com.baeldung.lombok.equalsandhashcode.include.fieldlevel; + +import lombok.AllArgsConstructor; +import lombok.EqualsAndHashCode; +import lombok.Getter; + +@Getter +@EqualsAndHashCode(onlyExplicitlyIncluded = true) +@AllArgsConstructor +public class Employee { + @EqualsAndHashCode.Include + private String name; + @EqualsAndHashCode.Include + private int id; + private int age; +} + + diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/include/methodlevel/Employee.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/include/methodlevel/Employee.java new file mode 100644 index 0000000000..3de8cc2c69 --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/include/methodlevel/Employee.java @@ -0,0 +1,20 @@ +package com.baeldung.lombok.equalsandhashcode.include.methodlevel; + +import lombok.AllArgsConstructor; +import lombok.EqualsAndHashCode; +import lombok.Getter; + +@Getter +@EqualsAndHashCode +@AllArgsConstructor +public class Employee { + private String name; + private int id; + private int age; + + @EqualsAndHashCode.Include + public boolean hasOddId() { + return id % 2 != 0; + } +} + diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/include/methodlevel/EmployeeDelomboked.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/include/methodlevel/EmployeeDelomboked.java new file mode 100644 index 0000000000..f25b996fe1 --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/include/methodlevel/EmployeeDelomboked.java @@ -0,0 +1,40 @@ +package com.baeldung.lombok.equalsandhashcode.include.methodlevel; + +import lombok.Getter; + +@Getter +public class EmployeeDelomboked { + private String name; + private int id; + private int age; + + public boolean hasOddId() { + return id % 2 != 0; + } + + public boolean equals(final Object o) { + if (o == this) return true; + if (!(o instanceof Employee)) return false; + final Employee other = (Employee) o; + if (!other.canEqual((Object) this)) return false; + if (this.getId() != other.getId()) return false; + if (this.getAge() != other.getAge()) return false; + if (this.hasOddId() != other.hasOddId()) return false; + final Object this$name = this.getName(); + final Object other$name = other.getName(); + if (this$name == null ? other$name != null : !this$name.equals(other$name)) return false; + return true; + } + + public int hashCode() { + final int PRIME = 59; + int result = 1; + result = result * PRIME + this.getId(); + result = result * PRIME + this.getAge(); + result = result * PRIME + (this.hasOddId() ? 79 : 97); + final Object $name = this.getName(); + result = result * PRIME + ($name == null ? 43 : $name.hashCode()); + return result; + } +} + diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/inheritance/Employee.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/inheritance/Employee.java new file mode 100644 index 0000000000..de63755cfc --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/inheritance/Employee.java @@ -0,0 +1,16 @@ +package com.baeldung.lombok.equalsandhashcode.inheritance; + +import lombok.AllArgsConstructor; +import lombok.EqualsAndHashCode; +import lombok.Getter; +import lombok.Setter; + +@Getter +@Setter +@EqualsAndHashCode +@AllArgsConstructor +public class Employee { + private String name; + private int id; + private int age; +} diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/inheritance/Manager.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/inheritance/Manager.java new file mode 100644 index 0000000000..e943940c32 --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/inheritance/Manager.java @@ -0,0 +1,20 @@ +package com.baeldung.lombok.equalsandhashcode.inheritance; + +import lombok.AllArgsConstructor; +import lombok.EqualsAndHashCode; +import lombok.Getter; +import lombok.Setter; + +@Getter +@Setter +@EqualsAndHashCode(callSuper = true) +public class Manager extends Employee { + private String departmentName; + private int uid; + + public Manager(String departmentName, int uid, String name, int id, int age) { + super(name, id, age); + this.departmentName = departmentName; + this.uid = uid; + } +} diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/inheritance/ManagerDelomboked.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/inheritance/ManagerDelomboked.java new file mode 100644 index 0000000000..e14b4a1f10 --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/inheritance/ManagerDelomboked.java @@ -0,0 +1,37 @@ +package com.baeldung.lombok.equalsandhashcode.inheritance; + +import lombok.Getter; + +@Getter +public class ManagerDelomboked extends Employee { + private String departmentName; + private int uid; + + public ManagerDelomboked(String departmentName, int uid, String name, int id, int age) { + super(name, id, age); + this.departmentName = departmentName; + this.uid = uid; + } + + public boolean equals(final Object o) { + if (o == this) return true; + if (!(o instanceof com.baeldung.lombok.equalsandhashcode.inheritance.Manager)) return false; + final com.baeldung.lombok.equalsandhashcode.inheritance.Manager other = (com.baeldung.lombok.equalsandhashcode.inheritance.Manager) o; + if (!other.canEqual((Object) this)) return false; + if (!super.equals(o)) return false; + if (this.getUid() != other.getUid()) return false; + final Object this$departmentName = this.getDepartmentName(); + final Object other$departmentName = other.getDepartmentName(); + if (this$departmentName == null ? other$departmentName != null : !this$departmentName.equals(other$departmentName)) return false; + return true; + } + + public int hashCode() { + final int PRIME = 59; + int result = super.hashCode(); + result = result * PRIME + this.getUid(); + final Object $departmentName = this.getDepartmentName(); + result = result * PRIME + ($departmentName == null ? 43 : $departmentName.hashCode()); + return result; + } +} diff --git a/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/inheritance/ManagerV2.java b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/inheritance/ManagerV2.java new file mode 100644 index 0000000000..b5bdfd0891 --- /dev/null +++ b/lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/equalsandhashcode/inheritance/ManagerV2.java @@ -0,0 +1,19 @@ +package com.baeldung.lombok.equalsandhashcode.inheritance; + +import lombok.EqualsAndHashCode; +import lombok.Getter; +import lombok.Setter; + +@Getter +@Setter +@EqualsAndHashCode(callSuper = false) +public class ManagerV2 extends Employee { + private String departmentName; + private int uid; + + public ManagerV2(String departmentName, int uid, String name, int id, int age) { + super(name, id, age); + this.departmentName = departmentName; + this.uid = uid; + } +} diff --git a/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/EqualsAndHashCodeUnitTest.java b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/EqualsAndHashCodeUnitTest.java new file mode 100644 index 0000000000..614e94ea59 --- /dev/null +++ b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/EqualsAndHashCodeUnitTest.java @@ -0,0 +1,20 @@ +package com.baeldung.lombok.equalsandhashcode; + +import org.junit.Test; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotEquals; + +public class EqualsAndHashCodeUnitTest { + + @Test + public void whenUsingEqualsAndHashCodeOnClassLevel_thenTwoObjectsAreEqualAndHaveSameHashCodeIfAllFieldsAreSame() { + Employee employee = new Employee("Nimi", 15, 22); + Employee employeeTwo = new Employee("Nimi", 15, 22); + Employee employeeThree = new Employee("Mannat", 15, 22); + assertEquals(employee, employeeTwo); + assertNotEquals(employee, employeeThree); + assertEquals(employee.hashCode(), employeeTwo.hashCode()); + assertNotEquals(employee.hashCode(), employeeThree.hashCode()); + } +} diff --git a/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/commonissue/EqualsAndHashCodeUnitTest.java b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/commonissue/EqualsAndHashCodeUnitTest.java new file mode 100644 index 0000000000..207e4e0636 --- /dev/null +++ b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/commonissue/EqualsAndHashCodeUnitTest.java @@ -0,0 +1,34 @@ +package com.baeldung.lombok.equalsandhashcode.commonissue; + +import org.junit.Test; + +public class EqualsAndHashCodeUnitTest { + + @Test(expected = StackOverflowError.class) + public void whenUsingEqualsAndHashInObjectWithCircularDependency_thenCallingEqualsAndHasCodeWillThrowStackOverFlowError() { + Manager manager = new Manager("Mannat", null); + + Employee employee = new Employee("Nimi", 15, 22, manager); + + manager.setAssistantManager(employee); + + employee.setManager(manager); + + int hash = employee.hashCode(); + + } + + @Test + public void whenUsingEqualsAndHashInObjectAndExcludingCircularDependencyField_thenNoStackOverFlowError() { + ManagerV2 manager = new ManagerV2("Mannat", null); + + EmployeeV2 employee = new EmployeeV2("Nimi", 15, 22, manager); + + manager.setAssistantManager(employee); + + employee.setManager(manager); + + int hash = employee.hashCode(); + + } +} diff --git a/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/exclude/classlevel/EqualsAndHashCodeUnitTest.java b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/exclude/classlevel/EqualsAndHashCodeUnitTest.java new file mode 100644 index 0000000000..be086ff7df --- /dev/null +++ b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/exclude/classlevel/EqualsAndHashCodeUnitTest.java @@ -0,0 +1,17 @@ +package com.baeldung.lombok.equalsandhashcode.exclude.classlevel; + +import org.junit.Test; + +import static org.junit.Assert.assertEquals; + +public class EqualsAndHashCodeUnitTest { + + @Test + public void whenUsingEqualsAndHashCodeOnClassLevelAndExcludingFields_thenTwoObjectsAreEqualAndHaveSameHashCodeEvenIfExcludedFieldsAreNotSame() { + Employee employee = new Employee("Nimi", 15, 22); + Employee employeeTwo = new Employee("Nimi", 17, 21); + + assertEquals(employee, employeeTwo); + assertEquals(employee.hashCode(), employeeTwo.hashCode()); + } +} diff --git a/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/exclude/fieldLevel/EqualsAndHashCodeUnitTest.java b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/exclude/fieldLevel/EqualsAndHashCodeUnitTest.java new file mode 100644 index 0000000000..832b188509 --- /dev/null +++ b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/exclude/fieldLevel/EqualsAndHashCodeUnitTest.java @@ -0,0 +1,18 @@ +package com.baeldung.lombok.equalsandhashcode.exclude.fieldLevel; + +import com.baeldung.lombok.equalsandhashcode.exclude.fieldlevel.Employee; +import org.junit.Test; + +import static org.junit.Assert.assertEquals; + +public class EqualsAndHashCodeUnitTest { + + @Test + public void whenUsingEqualsAndHashCodeWithExcludingFields_thenTwoObjectsAreEqualAndHaveSameHashCodeEvenIfExcludedFieldsAreNotSame() { + Employee employee = new Employee("Nimi", 15, 22); + Employee employeeTwo = new Employee("Nimi", 17, 21); + + assertEquals(employee, employeeTwo); + assertEquals(employee.hashCode(), employeeTwo.hashCode()); + } +} diff --git a/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/include/classlevel/EqualsAndHashCodeUnitTest.java b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/include/classlevel/EqualsAndHashCodeUnitTest.java new file mode 100644 index 0000000000..1641966fd2 --- /dev/null +++ b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/include/classlevel/EqualsAndHashCodeUnitTest.java @@ -0,0 +1,21 @@ +package com.baeldung.lombok.equalsandhashcode.include.classlevel; + +import org.junit.Test; + +import static org.junit.Assert.assertEquals; + +public class EqualsAndHashCodeUnitTest { + + @Test + public void whenUsingEqualsAndHashCodeOnClassLevelAndIncludeFields_thenTwoObjectsAreEqualAndHaveSameHashCodeIfIncludedFieldsAreSame() { + Employee employee = new Employee("Nimi", 15, 22); + Employee employeeTwo = new Employee("Nimi", 15, 22); + Employee employeeThree = new Employee("Nimi", 15, 23); + + assertEquals(employee, employeeTwo); + assertEquals(employee, employeeThree); + + assertEquals(employee.hashCode(), employeeTwo.hashCode()); + assertEquals(employee.hashCode(), employeeThree.hashCode()); + } +} diff --git a/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/include/fieldlevel/EqualsAndHashCodeUnitTest.java b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/include/fieldlevel/EqualsAndHashCodeUnitTest.java new file mode 100644 index 0000000000..dcf6123d2a --- /dev/null +++ b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/include/fieldlevel/EqualsAndHashCodeUnitTest.java @@ -0,0 +1,21 @@ +package com.baeldung.lombok.equalsandhashcode.include.fieldlevel; + +import org.junit.Test; + +import static org.junit.Assert.assertEquals; + +public class EqualsAndHashCodeUnitTest { + + @Test + public void whenUsingEqualsAndHashCodeOnFieldLevel_thenTwoObjectsAreEqualAndHaveSameHashCodeIfIncludedFieldsAreSame() { + Employee employee = new Employee("Nimi", 15, 22); + Employee employeeTwo = new Employee("Nimi", 15, 22); + Employee employeeThree = new Employee("Nimi", 15, 23); + + assertEquals(employee, employeeTwo); + assertEquals(employee, employeeThree); + + assertEquals(employee.hashCode(), employeeTwo.hashCode()); + assertEquals(employee.hashCode(), employeeThree.hashCode()); + } +} diff --git a/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/include/methodlevel/EqualsAndHashCodeUnitTest.java b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/include/methodlevel/EqualsAndHashCodeUnitTest.java new file mode 100644 index 0000000000..79d673b4a4 --- /dev/null +++ b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/include/methodlevel/EqualsAndHashCodeUnitTest.java @@ -0,0 +1,22 @@ +package com.baeldung.lombok.equalsandhashcode.include.methodlevel; + +import org.junit.Test; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotEquals; + +public class EqualsAndHashCodeUnitTest { + + @Test + public void whenUsingEqualsAndHashCodeOnMethodLevel_thenTwoObjectsAreEqualAndHaveSameHashCodeIfMethodsReturnSameValue() { + Employee employee = new Employee("Nimi", 15, 22); + Employee employeeTwo = new Employee("Nimi", 15, 22); + Employee employeeThree = new Employee("Nimi", 15, 23); + + assertEquals(employee, employeeTwo); + assertNotEquals(employee, employeeThree); + + assertEquals(employee.hashCode(), employeeTwo.hashCode()); + assertNotEquals(employee.hashCode(), employeeThree.hashCode()); + } +} diff --git a/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/inheritance/EqualsAndHashCodeUnitTest.java b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/inheritance/EqualsAndHashCodeUnitTest.java new file mode 100644 index 0000000000..abf71fe83f --- /dev/null +++ b/lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/equalsandhashcode/inheritance/EqualsAndHashCodeUnitTest.java @@ -0,0 +1,29 @@ +package com.baeldung.lombok.equalsandhashcode.inheritance; + +import org.junit.Test; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotEquals; + +public class EqualsAndHashCodeUnitTest { + + @Test + public void whenUsingEqualsAndHashCodeAndCallSuperIsTrue_thenTwoObjectsAreEqualAndHaveSameHashCodeIfAllFieldsIncludingParentsFieldsAreSame() { + Manager manager = new Manager("Opto", 444, "Nimi", 15, 22); + Manager managerTwo = new Manager("Opto", 444, "Nimi", 15, 22); + Manager managerThree = new Manager("Opto", 444, "Nimi", 15, 23); + + assertEquals(manager, managerTwo); + assertNotEquals(managerTwo, managerThree); + + } + + @Test + public void whenUsingEqualsAndHashCodeAndCallSuperIsFalse_thenTwoObjectsAreEqualAndHaveSameHashCodeEvenIfAllParentsFieldsAreNotSame() { + ManagerV2 manager = new ManagerV2("Opto", 444, "Nimi", 15, 22); + ManagerV2 managerTwo = new ManagerV2("Opto", 444, "Nimi", 15, 22); + ManagerV2 managerThree = new ManagerV2("Opto", 444, "Nimi", 14, 21); + assertEquals(manager, managerTwo); + assertEquals(managerTwo, managerThree); + } +} diff --git a/testing-modules/pom.xml b/testing-modules/pom.xml index 80e0c3bc29..8fb7a93a02 100644 --- a/testing-modules/pom.xml +++ b/testing-modules/pom.xml @@ -40,6 +40,7 @@ rest-assured rest-testing selenium-junit-testng + selenium-webdriver spring-mockito spring-testing-2 spring-testing diff --git a/testing-modules/selenium-webdriver/1688web.png b/testing-modules/selenium-webdriver/1688web.png new file mode 100644 index 0000000000..92ae7921fb Binary files /dev/null and b/testing-modules/selenium-webdriver/1688web.png differ diff --git a/testing-modules/selenium-webdriver/README.md b/testing-modules/selenium-webdriver/README.md new file mode 100644 index 0000000000..7d843af9ea --- /dev/null +++ b/testing-modules/selenium-webdriver/README.md @@ -0,0 +1 @@ +### Relevant Articles: diff --git a/testing-modules/selenium-webdriver/pom.xml b/testing-modules/selenium-webdriver/pom.xml new file mode 100644 index 0000000000..4eac847709 --- /dev/null +++ b/testing-modules/selenium-webdriver/pom.xml @@ -0,0 +1,59 @@ + + + 4.0.0 + selenium-webdriver + 0.0.1-SNAPSHOT + selenium-webdriver + + + com.baeldung + testing-modules + 1.0.0-SNAPSHOT + + + + + org.seleniumhq.selenium + selenium-java + ${selenium-java.version} + + + commons-logging + commons-logging + + + + + org.testng + testng + ${testng.version} + + + io.github.bonigarcia + webdrivermanager + ${webdrivermanager.version} + + + + + + + src/main/resources + true + + + src/test/resources + true + + + + + + 6.10 + 4.8.3 + 5.3.2 + + + \ No newline at end of file diff --git a/testing-modules/selenium-webdriver/src/test/java/com/baeldung/selenium/webdriver/fileupload/FileUploadWebDriverUnitTest.java b/testing-modules/selenium-webdriver/src/test/java/com/baeldung/selenium/webdriver/fileupload/FileUploadWebDriverUnitTest.java new file mode 100644 index 0000000000..18853ede56 --- /dev/null +++ b/testing-modules/selenium-webdriver/src/test/java/com/baeldung/selenium/webdriver/fileupload/FileUploadWebDriverUnitTest.java @@ -0,0 +1,53 @@ +package com.baeldung.selenium.webdriver.fileupload; + +import org.junit.Assert; +import org.junit.jupiter.api.AfterEach; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; +import org.openqa.selenium.By; + +import org.openqa.selenium.WebDriver; +import org.openqa.selenium.WebElement; + +import org.openqa.selenium.firefox.FirefoxDriver; + +import io.github.bonigarcia.wdm.WebDriverManager; + +public class FileUploadWebDriverUnitTest { + + private WebDriver driver; + + private static final String URL = "http://www.csm-testcenter.org/test?do=show&subdo=common&test=file_upload"; + private static final String INPUT_NAME = "file_upload"; + + @BeforeEach + public void setUp() { + WebDriverManager.firefoxdriver() + .setup(); + driver = new FirefoxDriver(); + } + + @AfterEach + public void tearDown() { + driver.quit(); + } + + @Test + public void givenFileUploadPage_whenInputFilePath_thenFileUploadEndsWithFilename() { + driver.get(URL); + + String filePath = System.getProperty("user.dir") + "/1688web.png"; + WebElement inputElement = driver.findElement(By.name(INPUT_NAME)); + WebElement submitButton = driver.findElement(By.name("http_submit")); + + inputElement.sendKeys(filePath); + + String actualFilePath = inputElement.getAttribute("value"); + String fileName = filePath.substring(filePath.lastIndexOf("/") + 1); + + submitButton.click(); + + Assert.assertTrue(actualFilePath.endsWith(fileName)); + } + +} \ No newline at end of file