Add Rspec Unit Tests

Gemfile

@@ -1,3 +1,7 @@
 source 'https://rubygems.org'
 
 gem 'rubocop', '>= 1.0', '< 2.0'
+
+gem 'json'
+
+gem 'rspec'

Gemfile.lock

@@ -3,6 +3,7 @@ GEM
   specs:
     ast (2.4.2)
     base64 (0.1.1)
+    diff-lcs (1.5.0)
     json (2.6.3)
     language_server-protocol (3.17.0.3)
     parallel (1.23.0)
@@ -13,6 +14,19 @@ GEM
     rainbow (3.1.1)
     regexp_parser (2.8.2)
     rexml (3.2.6)
+    rspec (3.12.0)
+      rspec-core (~> 3.12.0)
+      rspec-expectations (~> 3.12.0)
+      rspec-mocks (~> 3.12.0)
+    rspec-core (3.12.2)
+      rspec-support (~> 3.12.0)
+    rspec-expectations (3.12.3)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.12.0)
+    rspec-mocks (3.12.6)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.12.0)
+    rspec-support (3.12.1)
     rubocop (1.57.1)
       base64 (~> 0.1.1)
       json (~> 2.3)
@@ -34,6 +48,8 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  json
+  rspec
   rubocop (>= 1.0, < 2.0)
 
 BUNDLED WITH

README.md

@@ -53,6 +53,9 @@ In this project I will be making a calculator app using react
 - Add new students or teachers
 - Add new books
 - Save records of who borrowed a given book and when it was borrowed
+- Store the data interred by the user when exit
+- list the data stored whenever list option is selected
+- Rspec test cases for person, student, teacher, book, and rental files
 
 <p align="right">(<a href="#readme-top">back to top</a>)</p>
 

app.rb

@@ -3,16 +3,21 @@
 require_relative 'rental'
 require_relative 'creation'
 require_relative 'list'
+require './save_data'
+require './load_data'
 
 class App
   include Creator
   include Lister
+  include Save
+  include Load
   attr_accessor :books, :people, :rentals
 
   def initialize
     @books = []
     @rentals = []
     @people = []
+    load_files
   end
 
   def start

books.json

@@ -0,0 +1 @@
+[{"title":"weqwewq","author":"qweqwe"},{"title":"qqqqqw","author":"wwee"}]

classroom.rb

@@ -8,5 +8,7 @@ def add_student(student)
     @students.push(student)
     student.classroom = self
   end
+
   attr_accessor :label
+  attr_reader :students
 end

creation.rb

@@ -4,9 +4,9 @@
 require_relative 'student'
 require_relative 'teacher'
 require_relative 'list'
-
 module Creator
   include Lister
+
   def create_person
     print 'Would you like to create a student (1) or a teacher (2)? Select a number: '
     choice = gets.chomp
@@ -28,7 +28,7 @@ def create_person
   def create_student(name, age)
     print 'Parent permission? [Y/N]: '
     permission_option = gets.chomp.downcase
-    student = Student.new(age, name, parent_permission: permission_option == 'y')
+    student = Student.new(Classroom.new('Unknown'), age, name, parent_permission: permission_option == 'y')
     @people << student
     puts "Student created successfully. ID is #{student.id}"
   end

data.json

@@ -0,0 +1 @@
+{"people":["{\"@id\":835,\"@age\":\"eee\",\"@name\":33,\"@parent_permission\":true,\"@rentals\":[],\"@specialization\":\"IT\"}"]}

load_data.rb

@@ -0,0 +1,43 @@
+require 'json'
+require './classroom'
+
+module Load
+  def load_files
+    load_books
+    load_people
+    load_rentals
+  end
+
+  def load_books
+    File.exist?('./books.json') ? books_json = JSON.parse(File.read('books.json')) : return
+    @books = books_json.map do |book|
+      Book.new(book['title'], book['author'])
+    end
+  end
+
+  def load_people
+    File.exist?('./people.json') ? people_json = JSON.parse(File.read('people.json')) : return
+    @people = people_json.map { |person| identify_person(person) }
+  end
+
+  def load_rentals
+    File.exist?('./rentals.json') ? rentals_json = JSON.parse(File.read('rentals.json')) : return
+    @rentals = rentals_json.map do |rental|
+      person = identify_person(rental['person'])
+      Rental.new(rental['date'], Book.new(rental['book']['title'], rental['book']['author']), person)
+    end
+  end
+
+  def identify_person(person)
+    if person['specialization']
+      teacher = Teacher.new(person['specialization'], person['age'], person['name'])
+      teacher.id = person['id']
+      teacher
+    else
+      student = Student.new((person['classroom']), person['age'], person['name'],
+                            parent_permission: person['parent_permission'])
+      student.id = person['id']
+      student
+    end
+  end
+end

main_school

@@ -1,4 +1,6 @@
 require_relative 'app'
+require './save_data'
+
 
 puts 'Welcome to our school library'
 
@@ -26,6 +28,7 @@ def choose_option
 end
 
 def exit_program
+  save_files
   puts 'Thank you for using the app.'
   exit!
 end

people.json

@@ -0,0 +1 @@
+[{"id":840,"name":"qwqw","age":22,"parent_permission":true,"classroom":"Unknown"},{"id":268,"name":33,"age":"qqqq","specialization":"it"},{"id":226,"name":"wweee","age":24,"parent_permission":true,"classroom":"#<Classroom:0x000055e07a3623c8>"}]

person.rb

@@ -3,8 +3,8 @@
 require './book'
 
 class Person < Nameable
-  attr_accessor :name, :age, :rentals
-  attr_reader :id
+  attr_accessor :name, :age, :id
+  attr_reader :rentals, :parent_permission
 
   def initialize(age, name, parent_permission: true)
     super()

rentals.json

@@ -0,0 +1 @@
+[{"book":{"title":"qqqqqw","author":"wwee"},"person":{"id":840,"name":"qwqw","age":22,"parent_permission":true,"classroom":"Unknown"},"date":"2023-10-27"}]

save_data.rb

@@ -0,0 +1,64 @@
+require 'json'
+
+module Save
+  def save_files
+    save_books
+    save_people
+    save_rentals
+  end
+
+  def save_books
+    books_json = @books.map do |book|
+      {
+        title: book.title,
+        author: book.author
+      }
+    end
+    File.write('./books.json', JSON.generate(books_json))
+  end
+
+  def save_people
+    people_json = []
+    @people.map do |person|
+      person_json = {
+        id: person.id,
+        name: person.name,
+        age: person.age
+      }
+      append_data(person, person_json)
+      people_json.push(person_json)
+    end
+    File.write('./people.json', JSON.generate(people_json))
+  end
+
+  def save_rentals
+    rentals_json = []
+    @rentals.map do |rental|
+      rental_json = {
+        book: {
+          title: rental.book.title,
+          author: rental.book.author
+        },
+        person: {
+          id: rental.person.id,
+          name: rental.person.name,
+          age: rental.person.age
+        },
+        date: rental.date
+      }
+      append_data(rental.person, rental_json[:person])
+      rentals_json.push(rental_json)
+    end
+    File.write('./rentals.json', JSON.generate(rentals_json))
+  end
+
+  def append_data(person, person_json)
+    if person.instance_of?(::Teacher)
+      person_json[:specialization] = person.specialization
+    else
+      person_json[:parent_permission] = person.parent_permission
+      person_json[:classroom] = person.classroom
+    end
+    person_json
+  end
+end

spec/book_spec.rb

@@ -0,0 +1,35 @@
+require './book'
+require './rental'
+
+describe Book do
+  before(:each) do
+    @book = Book.new('title', 'author')
+    @rentals = []
+  end
+
+  describe '#new' do
+    it 'returns a new book object' do
+      expect(@book).to be_an_instance_of(Book)
+    end
+  end
+
+  describe '#add_rental' do
+    after(:each) do
+      @rentals = [@rental]
+    end
+
+    it 'returns a new rental object' do
+      person = double('Person', rentals: [])
+      @rental = Rental.new('2020-10-10', @book, person)
+
+      expect(@rental).to be_an_instance_of(Rental)
+    end
+
+    it 'adds rental to person rentals list when add_rental method is called' do
+      person = double('Person', rentals: [])
+      @rental = Rental.new('2020-10-10', @book, person)
+
+      expect(person.rentals).to include(@rental)
+    end
+  end
+end

spec/classroom_spec.rb

@@ -0,0 +1,24 @@
+require './classroom'
+require './student'
+
+describe Classroom do
+  subject(:classroom) { described_class.new('Math Classroom') }
+
+  it { is_expected.to have_attributes(label: 'Math Classroom') }
+
+  it 'initially has no students' do
+    expect(classroom.students).to be_empty
+  end
+
+  it 'can add students' do
+    student1 = Student.new(classroom, 18, 'Alice')
+    student2 = Student.new(classroom, 19, 'Bob')
+
+    classroom.add_student(student1)
+    classroom.add_student(student2)
+
+    expect(classroom.students).to include(student1, student2)
+    expect(student1.classroom).to eq(classroom)
+    expect(student2.classroom).to eq(classroom)
+  end
+end

spec/person_spec.rb

@@ -0,0 +1,7 @@
+require './person'
+
+describe Person.new 23, 'Abdu' do
+  it { is_expected.to have_attributes(age: 23) }
+  it { is_expected.to have_attributes(name: 'Abdu') }
+  it { is_expected.to have_attributes(parent_permission: true) }
+end

spec/rental_spec.rb

@@ -0,0 +1,17 @@
+require './rental'
+require './book'
+require './person'
+
+describe Rental do
+  let(:book) { Book.new('Book Title', 'Author') }
+  let(:person) { Person.new(25, 'John Doe') }
+
+  subject(:rental) { described_class.new('2023-10-26', book, person) }
+
+  it { is_expected.to have_attributes(date: '2023-10-26', book: book, person: person) }
+
+  it 'associates the rental with the book and person' do
+    expect(book.rentals).to include(rental)
+    expect(person.rentals).to include(rental)
+  end
+end

spec/student_spec.rb

@@ -0,0 +1,9 @@
+require './student'
+
+describe Student.new 'IT', 24, 'Abdu' do
+  it { is_expected.to be_a(Person) }
+  it { is_expected.to have_attributes(classroom: 'IT') }
+  it { is_expected.to have_attributes(age: 24) }
+  it { is_expected.to have_attributes(name: 'Abdu') }
+  it { is_expected.to have_attributes(parent_permission: true) }
+end

spec/teacher_spec.rb

@@ -0,0 +1,12 @@
+require './teacher'
+
+describe Teacher do
+  subject(:teacher) { described_class.new('Math', 35, 'John Doe') }
+
+  it { is_expected.to be_a(Person) }
+  it { is_expected.to have_attributes(specialization: 'Math', age: 35, name: 'John Doe') }
+
+  it 'can use services' do
+    expect(teacher.can_use_services?).to be(true)
+  end
+end

student.rb

@@ -3,15 +3,11 @@
 class Student < Person
   attr_reader :classroom
 
-  def initialize(age, name, parent_permission: true)
+  def initialize(classroom, age, name, parent_permission: true)
     super(age, name, parent_permission: parent_permission)
     @classroom = classroom
   end
 
-  def play_hooky
-    '¯\\_(ツ)_/¯'
-  end
-
   def classroom=(classroom)
     @classroom = classroom
     classroom.students.push(self) unless classroom.students.include?(self)

teacher.rb

@@ -1,6 +1,8 @@
 require_relative 'person'
 
 class Teacher < Person
+  attr_reader :specialization
+
   def initialize(specialization, age, name)
     super(age, name)
     @specialization = specialization