Update test

README.md

@@ -48,6 +48,8 @@
 - **Implement book & rental associations**
 - **Built interactive console app**
 - **Make sure it use SOLID, YAGNI, KISS, DRY principles**
+- **Preserve data**
+- **Run Unit tests using Rspec**
 
 <p align="right">(<a href="#readme-top">back to top</a>)</p>
 
@@ -105,8 +107,7 @@ To fix the linter use:
 
 ## 🔭 Future Features <a name="future-features"></a>
 
-- [ ] **Run tests**
-- [ ] **Preserve data**
+- [ ] **Add Delete and Update options for stored data**
 
 <p align="right">(<a href="#readme-top">back to top</a>)</p>
 

spec/classroom_spec.rb

@@ -0,0 +1,29 @@
+require_relative 'spec_helper'
+require_relative '../classroom.rb'
+
+describe Classroom do
+  let(:classroom) { Classroom.new('Back End Program') }
+  let(:student) { double('student') }
+
+  describe '#initialize' do
+    it 'creates a new Classroom instance' do
+      expect(classroom).to be_an_instance_of(Classroom)
+    end
+
+    it "initializes a Classroom object with label" do
+      expect(classroom.label).to eq('Back End Program')
+    end
+
+    it "initializes a Classroom object with an empty student array" do
+      expect(classroom.student).to be_empty
+    end
+  end
+
+  describe '#add_student' do
+    it "adds a student to the classroom" do
+      expect(student).to receive(:assign_classroom).with(classroom) 
+      classroom.add_student(student)
+      expect(classroom.student).to include(student)
+    end
+  end
+end