diff --git a/.idea/$PRODUCT_WORKSPACE_FILE$ b/.idea/$PRODUCT_WORKSPACE_FILE$ new file mode 100644 index 00000000..9fba8c61 --- /dev/null +++ b/.idea/$PRODUCT_WORKSPACE_FILE$ @@ -0,0 +1,30 @@ + + + + + + + 1.8.0_201 + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 00000000..5c98b428 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,2 @@ +# Default ignored files +/workspace.xml \ No newline at end of file diff --git a/.idea/.name b/.idea/.name new file mode 100644 index 00000000..a0f2c3a1 --- /dev/null +++ b/.idea/.name @@ -0,0 +1 @@ +interfaces-1 \ No newline at end of file diff --git a/.idea/compiler.xml b/.idea/compiler.xml new file mode 100644 index 00000000..8f6ee9db --- /dev/null +++ b/.idea/compiler.xml @@ -0,0 +1,16 @@ + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/encodings.xml b/.idea/encodings.xml new file mode 100644 index 00000000..b26911bd --- /dev/null +++ b/.idea/encodings.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/.idea/libraries/Maven__junit_junit_4_12.xml b/.idea/libraries/Maven__junit_junit_4_12.xml new file mode 100644 index 00000000..d4110417 --- /dev/null +++ b/.idea/libraries/Maven__junit_junit_4_12.xml @@ -0,0 +1,13 @@ + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml b/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml new file mode 100644 index 00000000..f58bbc11 --- /dev/null +++ b/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml @@ -0,0 +1,13 @@ + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 00000000..3e62a0b4 --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,13 @@ + + + + + + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 00000000..711b3a53 --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml new file mode 100644 index 00000000..e96534fb --- /dev/null +++ b/.idea/uiDesigner.xml @@ -0,0 +1,124 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 00000000..94a25f7f --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/README.md b/README.md index 96882643..8f79acec 100644 --- a/README.md +++ b/README.md @@ -1,5 +1,5 @@ # Leon's Lengthy Learner Lab -* **Objective** - to implement a `ZipCodeWilmington` class which _mediates_ a _composite_ `Students` and `Instructors` _singleton_ reference. +* **Objective** - to implement a `ZipCodeWilmington` class which _mediates_ a _composite_ `io.zipcoder.interfaces.Students` and `Instructors` _singleton_ reference. * **Purpose** - to demonstrate the use of * [interfaces](https://stackoverflow.com/questions/1321122/what-is-an-interface-in-java) * [abstract classes](https://stackoverflow.com/questions/1320745/abstract-class-in-java) @@ -111,11 +111,11 @@ - -### Part 7.1 - Create `Students` singleton +### Part 7.1 - Create `io.zipcoder.interfaces.Students` singleton * **Note:** The creation of this class will demonstrate an implementation of [singleton design pattern](https://www.journaldev.com/1377/java-singleton-design-pattern-best-practices-examples#eager-initialization). -* Create a `Students` class. +* Create a `io.zipcoder.interfaces.Students` class. * The class should be an _unextendable_ subclass of the `People` class. - * The class should _statically instantiate_ a `final` field named `INSTANCE` of type `Students`. + * The class should _statically instantiate_ a `final` field named `INSTANCE` of type `io.zipcoder.interfaces.Students`. * The class should define a _private nullary constructor_ which populates the `INSTANCE` field with respective `Student` representations of your colleagues. * Each student should have a _relatively_ unique `id` field. * The class should define a `getInstance` method which returns the `INSTANCE` field. @@ -123,9 +123,9 @@ - -### Part 7.0 - Test `Students` singleton +### Part 7.0 - Test `io.zipcoder.interfaces.Students` singleton * Create a `TestStudents` class. - * Create a `test` method which ensures that each of the students in your current cohort are in your `Students` singleton. + * Create a `test` method which ensures that each of the students in your current cohort are in your `io.zipcoder.interfaces.Students` singleton. @@ -139,7 +139,7 @@ - ### Part 9.1 - Create `ZipCodeWilmington` Class * Create a `ZipCodeWilmington` singleton. - * The class should declare a field that references the instance of `Students` called `students`. + * The class should declare a field that references the instance of `io.zipcoder.interfaces.Students` called `students`. * The class should declare a field that references the instance of `Instructors` called `instructors`. * The class should define a method `hostLecture` which makes use of a `Teacher teacher, double numberOfHours` parameter to host a `lecture` to the composite `personList` field in the `students` reference. * The class should define a method `hostLecture` which makes use of a `long id, double numberOfHours` parameter to identify a respective `Instructor` to host a `lecture` to the composite `personList` field in the `cohort` reference. @@ -176,7 +176,7 @@ - ### Part 10.2 - Modify `People` subclasses -* Modify the `Students` class signature to ensure that it is a subclass of `People` of parameterized type `Student`. +* Modify the `io.zipcoder.interfaces.Students` class signature to ensure that it is a subclass of `People` of parameterized type `Student`. * Modify the `Instructors` class signature to ensure that it is a subclass of `People` of parameterized type `Instructor`. * Provide concrete implementations of the `getArray` method in each of these classes. diff --git a/interfaces-1.iml b/interfaces-1.iml new file mode 100644 index 00000000..4e3316bc --- /dev/null +++ b/interfaces-1.iml @@ -0,0 +1,16 @@ + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/src/main/java/io/zipcoder/interfaces/Educator.java b/src/main/java/io/zipcoder/interfaces/Educator.java new file mode 100644 index 00000000..e09867c6 --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/Educator.java @@ -0,0 +1,25 @@ +package io.zipcoder.interfaces; + +public enum Educator implements Teacher { + + ONE(new Instructor(2323L, "BIP")), BOOP(new Instructor(3232L, "BOOP")); + + Instructor instructor; + Double timeWorked = 0D; + + Educator(Instructor instructor) { + this.instructor = instructor; + } + + @Override + public void teach(Learner learner, Double numberOfHours) { + this.instructor.teach(learner,numberOfHours); + this.timeWorked += numberOfHours; + } + + @Override + public void lecture(Learner[] learners, Double numberOfHours) { + this.instructor.lecture(learners, numberOfHours); + this.timeWorked += numberOfHours; + } +} diff --git a/src/main/java/io/zipcoder/interfaces/Instructor.java b/src/main/java/io/zipcoder/interfaces/Instructor.java new file mode 100644 index 00000000..1131ac1a --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/Instructor.java @@ -0,0 +1,18 @@ +package io.zipcoder.interfaces; + +public class Instructor extends Person implements Teacher { + public Instructor(Long id, String name) { + super(id, name); + } + + public void teach(Learner learner, Double numberOfHours) { + learner.learn(numberOfHours); + } + + public void lecture(Learner[] learners, Double numberOfHours) { + Double numberOfHoursPerLearner = numberOfHours / learners.length; + for(Learner l : learners){ + l.learn(numberOfHoursPerLearner); + } + } +} diff --git a/src/main/java/io/zipcoder/interfaces/Instructors.java b/src/main/java/io/zipcoder/interfaces/Instructors.java new file mode 100644 index 00000000..d35d0657 --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/Instructors.java @@ -0,0 +1,23 @@ +package io.zipcoder.interfaces; + +public class Instructors extends People { + + public static final Instructors INSTANCE = new Instructors(); + + private Instructors(){ + Instructor instructor1 = new Instructor(2323L, "Boop"); + Instructor instructor2 = new Instructor(3232L, "Bip"); + personList.add(instructor1); + personList.add(instructor2); + + } + + public static Instructors getInstance(){ + return INSTANCE; + } + + @Override + public Instructor[] toArray() { + return personList.toArray(new Instructor[personList.size()]); + } +} diff --git a/src/main/java/io/zipcoder/interfaces/Learner.java b/src/main/java/io/zipcoder/interfaces/Learner.java new file mode 100644 index 00000000..8fbf0de9 --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/Learner.java @@ -0,0 +1,7 @@ +package io.zipcoder.interfaces; + +public interface Learner { + + void learn(Double numberOfHours); + Double getTotalStudyTime(); +} diff --git a/src/main/java/io/zipcoder/interfaces/People.java b/src/main/java/io/zipcoder/interfaces/People.java new file mode 100644 index 00000000..78a91531 --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/People.java @@ -0,0 +1,64 @@ +package io.zipcoder.interfaces; + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; +import java.util.Spliterator; +import java.util.function.Consumer; + +public abstract class People implements Iterable{ + public List personList = new ArrayList<>(); + + public void add(E person){ + this.personList.add(person); + } + + public E findByID(Long id){ + for(E p : personList){ + if(p.getId().equals(id)){ + return p; + } + } + return null; + } + + public Boolean contains(Person person){ + for(Person p : personList){ + if(p.toString().equals(person.toString())){ + return true; + } + } + return false; + } + + public void remove(E person){ + this.personList.remove(person); + } + + public void remove(Long id){ + Person p = findByID(id); + this.personList.remove(p); + } + + public void removeAll(){ + this.personList.clear(); + } + + public Integer count(){ + return personList.size(); + } + + public abstract E[] toArray(); + + public Iterator iterator() { + return personList.iterator(); + } + + public void forEach(Consumer action) { + + } + + public Spliterator spliterator() { + return null; + } +} diff --git a/src/main/java/io/zipcoder/interfaces/Person.java b/src/main/java/io/zipcoder/interfaces/Person.java index fc6a3ffe..82a99c74 100644 --- a/src/main/java/io/zipcoder/interfaces/Person.java +++ b/src/main/java/io/zipcoder/interfaces/Person.java @@ -2,4 +2,24 @@ public class Person { + private final Long id; + private String name; + + public Person(Long id, String name){ + this.id = id; + this.name = name; + } + + public String getName(){ + return name; + } + + public Long getId(){ + return id; + } + + public void setName(String name){ + this.name = name; + } + } diff --git a/src/main/java/io/zipcoder/interfaces/Student.java b/src/main/java/io/zipcoder/interfaces/Student.java new file mode 100644 index 00000000..90e0dd7b --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/Student.java @@ -0,0 +1,20 @@ +package io.zipcoder.interfaces; + +public class Student extends Person implements Learner { + + private double totalStudyTime; + + public Student(Long id, String name) { + super(id, name); + } + + public void learn(Double numberOfHours) { + totalStudyTime += numberOfHours; + } + + public Double getTotalStudyTime() { + return totalStudyTime; + } + + public void setTotalStudyTime(Double totalStudyTime) {this.totalStudyTime = totalStudyTime; } +} diff --git a/src/main/java/io/zipcoder/interfaces/Students.java b/src/main/java/io/zipcoder/interfaces/Students.java new file mode 100644 index 00000000..135e0087 --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/Students.java @@ -0,0 +1,28 @@ +package io.zipcoder.interfaces; + +public class Students extends People { + + public static final Students INSTANCE = new Students(); + + private Students() { + Student student = new Student(34L, "Gau"); + Student student2 = new Student(45L, "Sabin"); + Student student3 = new Student(67L, "Cyan"); + Student student4 = new Student(81L, "Shadow"); + personList.add(student); + personList.add(student2); + personList.add(student3); + personList.add(student4); + } + + + public static Students getInstance(){ + return INSTANCE; + } + + + @Override + public Student[] toArray() { + return personList.toArray(new Student[personList.size()]) ; + } +} diff --git a/src/main/java/io/zipcoder/interfaces/Teacher.java b/src/main/java/io/zipcoder/interfaces/Teacher.java new file mode 100644 index 00000000..19eefb78 --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/Teacher.java @@ -0,0 +1,7 @@ +package io.zipcoder.interfaces; + +public interface Teacher { + + void teach(Learner learner, Double numberOfHours); + void lecture(Learner[] learner, Double numberOfHours); +} diff --git a/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java b/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java new file mode 100644 index 00000000..3d23a34a --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java @@ -0,0 +1,25 @@ +package io.zipcoder.interfaces; + +import java.util.HashMap; + +public class ZipCodeWilmington { + private static final ZipCodeWilmington INSTANCE = new ZipCodeWilmington(); + private static final Students students = Students.getInstance(); + private static final Instructors instructors = Instructors.getInstance(); + + public void hostLecture(Teacher teacher, Double numberOfHours){ + teacher.lecture(students.toArray(), numberOfHours); + } + + public void hostLecture(Long id, Double numberOfHours){ + Teacher teacher = instructors.findByID(id); + teacher.lecture(students.toArray(),numberOfHours); + } + + public HashMap getStudyMap(Student student){ + HashMap studyMap= new HashMap<>(); + studyMap.put(student, student.getTotalStudyTime()); + + return studyMap; + } +} diff --git a/src/test/java/io/zipcoder/interfaces/EducatorTest.java b/src/test/java/io/zipcoder/interfaces/EducatorTest.java new file mode 100644 index 00000000..e4b883bc --- /dev/null +++ b/src/test/java/io/zipcoder/interfaces/EducatorTest.java @@ -0,0 +1,39 @@ +package io.zipcoder.interfaces; + +import org.junit.Assert; +import org.junit.Test; + +import static org.junit.Assert.*; + +public class EducatorTest { + + @Test + public void testImplementation(){ + Educator instructor = Educator.BOOP; + Assert.assertTrue(instructor instanceof Teacher); + } + + @Test + public void teach() { + Student student = new Student(null,null); + Double numberOfHours = 3D; + Educator.BOOP.teach(student, numberOfHours); + Double expectedHours = 3D; + + Assert.assertEquals(expectedHours, student.getTotalStudyTime()); + } + + @Test + public void lecture() { + Instructor instructor = new Instructor(null, null); + Student student = new Student(null, null); + Student student2 = new Student(null, null); + Student student3 = new Student(null, null); + Learner[] students = {student, student2, student3}; + Double numberOfHours = 9D; + Double totalHoursSplit = numberOfHours / students.length; + Educator.BOOP.lecture(students, numberOfHours); + + Assert.assertEquals(totalHoursSplit, student.getTotalStudyTime()); + } +} \ No newline at end of file diff --git a/src/test/java/io/zipcoder/interfaces/InstructorTest.java b/src/test/java/io/zipcoder/interfaces/InstructorTest.java new file mode 100644 index 00000000..d38e2f9e --- /dev/null +++ b/src/test/java/io/zipcoder/interfaces/InstructorTest.java @@ -0,0 +1,43 @@ +package io.zipcoder.interfaces; + +import org.junit.Assert; +import org.junit.Test; + +import static org.junit.Assert.*; + +public class InstructorTest { + @Test + public void testImplementation(){ + Instructor instructor = new Instructor(null,null); + Assert.assertTrue(instructor instanceof Teacher); + } + + @Test + public void testInheritance(){ + Instructor instructor = new Instructor(null,null); + Assert.assertTrue(instructor instanceof Person); + } + @Test + public void testTeach() { + Instructor instructor = new Instructor(null,null); + Student student = new Student(null,null); + Double expected = 10D; + instructor.teach(student,expected); + + Assert.assertEquals(expected,student.getTotalStudyTime()); + } + + @Test + public void testLecture() { + Instructor instructor = new Instructor(null, null); + Student student = new Student(null, null); + Student student2 = new Student(null, null); + Student student3 = new Student(null, null); + Learner[] students = {student, student2, student3}; + Double numberOfHours = 9D; + Double totalHoursSplit = numberOfHours / students.length; + + instructor.lecture(students, numberOfHours); + Assert.assertEquals(totalHoursSplit, student.getTotalStudyTime()); + } +} \ No newline at end of file diff --git a/src/test/java/io/zipcoder/interfaces/InstructorsTest.java b/src/test/java/io/zipcoder/interfaces/InstructorsTest.java new file mode 100644 index 00000000..fcbc5951 --- /dev/null +++ b/src/test/java/io/zipcoder/interfaces/InstructorsTest.java @@ -0,0 +1,33 @@ +package io.zipcoder.interfaces; + +import org.junit.Assert; +import org.junit.Test; + +import static org.junit.Assert.*; + +public class InstructorsTest { + + @Test + public void getInstanceTest1() { + Instructors instructors = Instructors.INSTANCE; + + Integer expectedSize = 2; + Integer actualSize = instructors.personList.size(); + + Assert.assertEquals(expectedSize,actualSize); + } + + @Test + public void getInstanceTest2(){ + Instructors instructors = Instructors.INSTANCE; + Boolean instructor = false; + + for(Person person : instructors.personList){ + if(person.getId() == 2323L && person.getName().equals("Boop")){ + instructor = true; + break; + } + } + Assert.assertTrue(instructor); + } +} \ No newline at end of file diff --git a/src/test/java/io/zipcoder/interfaces/PeopleTest.java b/src/test/java/io/zipcoder/interfaces/PeopleTest.java new file mode 100644 index 00000000..a060cf58 --- /dev/null +++ b/src/test/java/io/zipcoder/interfaces/PeopleTest.java @@ -0,0 +1,62 @@ +package io.zipcoder.interfaces; + +import org.junit.After; +import org.junit.Assert; +import org.junit.Before; +import org.junit.Test; + + +public class PeopleTest { + + @Test + public void addTest() { + Student student = new Student(34L,"Gau"); + Student student2 = new Student(45L,"Cyan"); + Students students = Students.getInstance(); + + students.add(student); + students.add(student2); + Assert.assertTrue(students.contains(student)); + } + + @Test + public void addTest2() { + Student student = new Student(34L,"Gau"); + Student student2 = new Student(45L,"Cyan"); + Students students = Students.getInstance(); + + students.add(student); + students.add(student2); + Assert.assertEquals(6,students.personList.size()); + } + + @Test + public void findByID() { + Long id = 34L; + String expected = "Gau"; + Person person = new Person(id,expected); + Students students = Students.getInstance(); + + String actual = students.findByID(id).getName(); + + Assert.assertEquals(expected,actual); + } + + @Test + public void remove() { + Instructor instructor = new Instructor(null,null); + Instructors instructors = Instructors.getInstance(); + instructors.add(instructor); + instructors.remove(instructor); + + Assert.assertFalse(instructors.contains(instructor)); + } + + @After + public void clearInstance(){ + Students students = Students.getInstance(); + for(int i = 4; i < students.personList.size(); i++){ + students.personList.remove(i); + } + } +} \ No newline at end of file diff --git a/src/test/java/io/zipcoder/interfaces/StudentTest.java b/src/test/java/io/zipcoder/interfaces/StudentTest.java new file mode 100644 index 00000000..1389fab2 --- /dev/null +++ b/src/test/java/io/zipcoder/interfaces/StudentTest.java @@ -0,0 +1,30 @@ +package io.zipcoder.interfaces; + +import org.junit.Assert; +import org.junit.Test; + +import static org.junit.Assert.*; + +public class StudentTest { + + @Test + public void learn() { + Student student = new Student(null,null); + Double expected = 10D; + student.learn(expected); + + Assert.assertEquals(expected,student.getTotalStudyTime()); + } + + @Test + public void testImplementation(){ + Student student = new Student(null,null); + Assert.assertTrue(student instanceof Person); + } + + @Test + public void testInheritance(){ + Student student = new Student(null,null); + Assert.assertTrue(student instanceof Learner); + } +} \ No newline at end of file diff --git a/src/test/java/io/zipcoder/interfaces/StudentsTest.java b/src/test/java/io/zipcoder/interfaces/StudentsTest.java new file mode 100644 index 00000000..6c07c32d --- /dev/null +++ b/src/test/java/io/zipcoder/interfaces/StudentsTest.java @@ -0,0 +1,33 @@ +package io.zipcoder.interfaces; + +import org.junit.Assert; +import org.junit.Test; + +import static org.junit.Assert.*; + +public class StudentsTest { + + @Test + public void getInstanceTest1() { + Students students = Students.INSTANCE; + + Integer expectedSize = 4; + Integer actualSize = students.personList.size(); + + Assert.assertEquals(expectedSize,actualSize); + } + + @Test + public void getInstanceTest2(){ + Students students = Students.INSTANCE; + boolean student = false; + + for(Person person : students.personList){ + if(person.getId() == 34L && person.getName().equals("Gau")){ + student = true; + break; + } + } + Assert.assertTrue(student); + } +} \ No newline at end of file diff --git a/src/test/java/io/zipcoder/interfaces/TestPerson.java b/src/test/java/io/zipcoder/interfaces/TestPerson.java index d64cd2f0..e0cec1b4 100644 --- a/src/test/java/io/zipcoder/interfaces/TestPerson.java +++ b/src/test/java/io/zipcoder/interfaces/TestPerson.java @@ -1,5 +1,30 @@ package io.zipcoder.interfaces; +import org.junit.Assert; +import org.junit.Test; + public class TestPerson { + @Test + public void testConstructor(){ + Long expectedId = 34L; + String expectedName = "Gau"; + Person person = new Person( expectedId , expectedName); + Long actualId = person.getId(); + String actualName = person.getName(); + + Assert.assertEquals(expectedId,actualId); + Assert.assertEquals(expectedName,actualName); + } + + @Test + public void testSetName(){ + Person person = new Person( null , null); + String expected = "Gau"; + person.setName(expected); + String actual = person.getName(); + + Assert.assertEquals(expected,actual); + } + } diff --git a/src/test/java/io/zipcoder/interfaces/ZipCodeWilmingtonTest.java b/src/test/java/io/zipcoder/interfaces/ZipCodeWilmingtonTest.java new file mode 100644 index 00000000..4e4ad0df --- /dev/null +++ b/src/test/java/io/zipcoder/interfaces/ZipCodeWilmingtonTest.java @@ -0,0 +1,82 @@ +package io.zipcoder.interfaces; + +import org.junit.Assert; +import org.junit.Before; +import org.junit.Test; + +import java.util.HashMap; + +import static org.junit.Assert.*; + +public class ZipCodeWilmingtonTest { + + @Before + public void singletonReset(){ + Students students = Students.getInstance(); + for(Student s: students.personList){ + s.setTotalStudyTime(0D); + } + } + + @Test + public void hostLectureByTeacherTest() { + Students students = Students.getInstance(); + Instructors instructors = Instructors.getInstance(); + Long expectedTeacherId = 2323L; + Teacher teacher = instructors.findByID(expectedTeacherId); + Long expectedStudentId = 34L; + Student student = students.findByID(expectedStudentId); + Double numberOfHours = 12D; + ZipCodeWilmington zipCodeWilmington = new ZipCodeWilmington(); + zipCodeWilmington.hostLecture(teacher,numberOfHours); + Double expectedHours = 3D; + + Assert.assertEquals(expectedHours, student.getTotalStudyTime()); + } + + @Test + public void hostLectureByIdTest() { + Students students = Students.getInstance(); + Long expectedTeacherId = 2323L; + Long expectedStudentId = 34L; + Student student = students.findByID(expectedStudentId); + Double numberOfHours = 12D; + ZipCodeWilmington zipCodeWilmington = new ZipCodeWilmington(); + zipCodeWilmington.hostLecture(expectedTeacherId,numberOfHours); + Double expectedHours = 3D; + + Assert.assertEquals(expectedHours, student.getTotalStudyTime()); + } + + @Test + public void hostByLectureEducatorTest() { + Students students = Students.getInstance(); + Educator educator = Educator.BOOP; + Long expectedStudentId = 34L; + Student student = students.findByID(expectedStudentId); + Double numberOfHours = 12D; + ZipCodeWilmington zipCodeWilmington = new ZipCodeWilmington(); + zipCodeWilmington.hostLecture(educator,numberOfHours); + Double expectedHours = 3D; + + Assert.assertEquals(expectedHours, student.getTotalStudyTime()); + } + + @Test + public void getStudyMapTest(){ + Students students = Students.getInstance(); + Long expectedTeacherId = 2323L; + Long expectedStudentId = 34L; + Student student = students.findByID(expectedStudentId); + Double expectedHours = 3D; + Double numberOfHours = 12D; + ZipCodeWilmington zipCodeWilmington = new ZipCodeWilmington(); + zipCodeWilmington.hostLecture(expectedTeacherId,numberOfHours); + HashMap expectedHashMap = new HashMap<>(); + + expectedHashMap.put(student,expectedHours); + HashMap actualHashMap = zipCodeWilmington.getStudyMap(student); + + Assert.assertEquals(expectedHashMap.get(student), actualHashMap.get(student)); + } +} \ No newline at end of file