created the unit tests

spec/models/group_spec.rb

@@ -0,0 +1,24 @@
+require 'rails_helper'
+
+RSpec.describe Group, type: :model do
+
+        test_user = User.create!(name: 'peter robert', email: '[email protected]', password: 'hsjoarty067')
+        test_group = Group.create!(name: 'test_group', icon: 'https://testicons.com/testicon.png', user_id:test_user.id)
+
+
+      it 'should fail to create a group without name' do
+        ev = Group.create(icon: 'https://testicons.com/testicon.png')
+        expect(ev.persisted?).to eql(false)
+      end
+
+      it 'should fail to create a group user' do
+        ev = Group.create(name: 'test_group',icon: 'https://testicons.com/testicon.png')
+        expect(ev.persisted?).to eql(false)
+      end
+
+      it 'should create group' do
+        ev = Group.create(name: 'test_group',icon: 'https://testicons.com/testicon.png', user_id:test_user.id)
+        expect(ev.persisted?).to eql(true)
+      end
+
+end

spec/models/transaction_spec.rb

@@ -0,0 +1,31 @@
+require 'rails_helper'
+
+RSpec.describe Transaction, type: :model do
+
+        test_user = User.create!(name: 'peter robert', email: '[email protected]', password: 'hsjoarty067')
+        test_group = test_user.groups.create!(name: 'test_group', icon: 'https://testicons.com/testicon.png')
+        test_transaction = Transaction.create!(name: 'test_transaction', amount: 100, user_id:  test_user.id, group_id: test_group.id)
+
+
+      it 'should fail to create a transaction without amount' do
+        ev = Transaction.create(name: 'test event')
+        expect(ev.persisted?).to eql(false)
+      end
+
+      it 'should fail to create a transaction without name' do
+        ev = Transaction.create(amount: 200)
+        expect(ev.persisted?).to eql(false)
+      end
+
+      it 'should fail to create a transaction without user' do
+        ev = Transaction.create(name: 'test event', amount: 100, group_id: test_group.id )
+        expect(ev.persisted?).to eql(false)
+      end
+
+      it 'should be saved with all users' do
+        ev = Transaction.create(name: 'test event', amount: 100, user_id:  test_user.id, group_id: test_group.id )
+        expect(ev.persisted?).to eql(true)
+      end
+
+
+end

spec/models/user_spec.rb

@@ -1,19 +1,24 @@
-RSpec.describe User, type: :model do         
-    context 'validation tests' do  
-      it 'ensures name presence' do 
-
-      end
+require 'rails_helper'
 
-      it 'ensures email presence' do 
-
-      end
+RSpec.describe User, type: :model do
 
-      it 'ensures password presence' do 
-
+        test_user = User.create!(name: 'peter robert', email: '[email protected]', password: 'hsjoarty067')
+
+      it 'should fail to create account without name' do
+        ev = User.create(email: '[email protected]', password: 'hsjoarty067')
+        expect(ev.persisted?).to eql(false)
       end
 
-      it 'ensures confirm password presence' do 
+      it 'should fail to create account without email' do
+        ev = User.create(name: 'peter robert', password: 'hsjoarty067')
+        expect(ev.persisted?).to eql(false)
+      end
 
+      it 'should fail to create account without password' do
+        ev = User.create(name: 'peter robert', email: '[email protected]')
+        expect(ev.persisted?).to eql(false)
       end
-    end
-  end
+
+
+
+end

spec/support/database_cleaner.rb

@@ -0,0 +1,17 @@
+RSpec.configure do |config|
+    config.before(:suite) do
+      DatabaseCleaner.clean_with :truncation, except: %w[ar_internal_metadata]
+    end
+
+    config.before(:each) do
+      DatabaseCleaner.strategy = :transaction
+    end
+
+    config.before(:each) do
+      DatabaseCleaner.start
+    end
+
+    config.after(:each) do
+      DatabaseCleaner.clean
+    end
+  end