ClassroomTest.java

package io.zipcoder;

import org.junit.Assert;
import org.junit.Test;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.TreeMap;

import static org.junit.Assert.*;

public class ClassroomTest {

    @Test
    public void getAverageExamScoreTest(){
        // : Given
        Double[] s1Scores = { 100.0, 150.0 };
        Double[] s2Scores = { 225.0, 25.0 };

        Student s1 = new Student("student", "one", s1Scores);
        Student s2 = new Student("student", "two", s2Scores);

        Student[] students = {s1,s2};
        Classroom classroom = new Classroom(students);

        // When
        double output = classroom.getAverageExamScore();

        // Then
        System.out.println(output);
    }

    @Test
    public void addStudentTest(){
        // : Given
        int maxNumberOfStudents = 1;
        Classroom classroom = new Classroom(maxNumberOfStudents);
        Double[] examScores = { 100.0, 150.0, 250.0, 0.0 };
        Student student = new Student("Leon", "Hunter", examScores);

        // When
        Student[] preEnrollment = classroom.getStudents();
        String preEnrollmentAsString = Arrays.toString(preEnrollment);
        System.out.println("===========================");
        System.out.println(preEnrollmentAsString);

        classroom.addStudent(student);
        Student[] postEnrollment = classroom.getStudents();
        String postEnrollmentAsString = Arrays.toString(postEnrollment);
        System.out.println("===========================");
        System.out.println(postEnrollmentAsString);
    }

    @Test
    public void removeStudentTest() {
        // : Given
        int maxNumberOfStudents = 2;
        Classroom classroom = new Classroom(maxNumberOfStudents);

        Double[] examScores = {100.0, 150.0, 250.0, 0.0};
        Student student = new Student("Leon", "Hunter", examScores);

        Double[] examScores2 = {100.0, 150.0, 250.0, 0.0};
        Student student2 = new Student("Lilian", "Smith", examScores2);

        classroom.addStudent(student);
        classroom.addStudent(student2);

        // When
        Student[] preRemovingStudent = classroom.getStudents();
        String preRemovingAsString = Arrays.toString(preRemovingStudent);
        System.out.println("===========================");
        System.out.println(preRemovingAsString);

        classroom.removeStudent("Leon", "Hunter");

        Student[] afterRemoving = classroom.getStudents();
        String afterRemovigAsString = Arrays.toString(afterRemoving);
        System.out.println("===========================");
        System.out.println(afterRemovigAsString);
    }

    @Test
    public void getStudentByScoreTest(){
        int maxNumberOfStudents = 4;
        Classroom classroom = new Classroom(maxNumberOfStudents);
        Double[] examScoresS1 = {92.0, 150.0, 250.0, 50.0};
        Double[] examScoresS2 = {250.0, 100.0, 100.0, 100.0};
        Double[] examScoresS3 = {92.0, 150.0, 250.0, 50.00};
        Double[] examScoresS4 = {90.0, 120.0, 99.0, 100.0};
        // When
        Student testS1 = new Student("Leon", "Hunter", examScoresS1);
        Student testS2 = new Student("Joe", "Smith", examScoresS2);
        Student testS3 = new Student("Mike", "Jones", examScoresS3);
        Student testS4 = new Student("Bob", "Johnson", examScoresS4);

        classroom.addStudent(testS1);
        classroom.addStudent(testS2);
        classroom.addStudent(testS3);
        classroom.addStudent(testS4);

        System.out.println(classroom.getStudentByScore(100.0).toString());
    }

}