From 4611fdd6da7f9a1cc04144104e5ca26398f1b502 Mon Sep 17 00:00:00 2001
From: HombreLaser <sebastian-440@live.com>
Date: Thu, 6 Apr 2023 15:29:08 -0600
Subject: Añade specs de product_cart
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---
 app/models/product_cart.rb                    |  2 +-
 spec/factories/cart.rb                        |  2 +-
 spec/models/product_cart_spec.rb              |  8 +++++++
 spec/requests/carts_controller/create_spec.rb | 32 +++++++++++++++++++++++++++
 4 files changed, 42 insertions(+), 2 deletions(-)
 create mode 100644 spec/requests/carts_controller/create_spec.rb

diff --git a/app/models/product_cart.rb b/app/models/product_cart.rb
index eb9cf9f..09e7a25 100644
--- a/app/models/product_cart.rb
+++ b/app/models/product_cart.rb
@@ -10,7 +10,7 @@ class ProductCart < ApplicationRecord
   validate :sole_product_in_cart
 
   def sole_product_in_cart
-    return if cart.products.find_by(id: product_id).nil?
+    return if cart.nil? || cart.products.find_by(id: product_id).nil?
 
     errors.add(:product_id, "cart already has product with id #{product_id}")
   end
diff --git a/spec/factories/cart.rb b/spec/factories/cart.rb
index e184181..8fd4bc7 100644
--- a/spec/factories/cart.rb
+++ b/spec/factories/cart.rb
@@ -2,6 +2,6 @@
 
 FactoryBot.define do
   factory :cart, class: 'Cart' do
-    user_account { create(:user_account) }
+    user_account { create(:user_account, role: 'regular') }
   end
 end
diff --git a/spec/models/product_cart_spec.rb b/spec/models/product_cart_spec.rb
index 00a8f6c..2c4d9d1 100644
--- a/spec/models/product_cart_spec.rb
+++ b/spec/models/product_cart_spec.rb
@@ -12,4 +12,12 @@ RSpec.describe ProductCart, type: :model do
   it 'should belong to cart' do
     expect(product_cart).to respond_to(:cart)
   end
+
+  describe '#sole_product_in_cart' do
+    it 'validates for duplicate products in the cart' do
+      another_product_cart = build(:product_cart, cart: product_cart.cart, product: product_cart.product)
+      expect(another_product_cart.save).to be_falsey
+      expect(another_product_cart.errors[:product_id]).to be_present
+    end
+  end
 end
diff --git a/spec/requests/carts_controller/create_spec.rb b/spec/requests/carts_controller/create_spec.rb
new file mode 100644
index 0000000..c0d2e4b
--- /dev/null
+++ b/spec/requests/carts_controller/create_spec.rb
@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'POST /account/cart', type: :request do
+  let(:cart) { create(:cart) }
+  let(:products) { create_list(:product, 2) }
+  let(:headers) { { 'Authorization' => "Bearer #{token['token']}" } }
+  let(:token) { jwt(cart.user_account) }
+  let(:params) do
+    { product_id: products[0].id, quantity: 1 }
+  end
+
+  before(:each) do
+    cart.user_account.cart = cart
+    cart.user_account.save
+  end
+
+  it_behaves_like 'a POST request' do
+    let(:route) { '/api/account/cart' }
+    let(:expected_error_messages) do
+      ['must exist', 'must be greater than 0']
+    end
+    let(:desired_error_status) { 422 }
+    let(:expected_text) do
+      [products[0].name, 'quantity']
+    end
+    let(:wrong_params) do
+      { product_id: SecureRandom.hex(25), quantity: -1 }
+    end
+  end
+end
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