From f758b80b4818fd98753167366191b203cdab306a Mon Sep 17 00:00:00 2001
From: HombreLaser <sebastian-440@live.com>
Date: Fri, 24 Feb 2023 21:29:13 -0600
Subject: Refactoriza el suite de tests

---
 spec/requests/authentications_spec.rb              | 28 +++++++---------------
 spec/support/include_strings.rb                    | 12 ++++++++++
 .../shared_examples/requests/post_request.rb       | 19 +++++++++++++++
 3 files changed, 40 insertions(+), 19 deletions(-)
 create mode 100644 spec/support/include_strings.rb
 create mode 100644 spec/support/shared_examples/requests/post_request.rb

diff --git a/spec/requests/authentications_spec.rb b/spec/requests/authentications_spec.rb
index 2ee8ead..71ffa19 100644
--- a/spec/requests/authentications_spec.rb
+++ b/spec/requests/authentications_spec.rb
@@ -2,24 +2,14 @@
 
 require 'rails_helper'
 
-RSpec.describe 'Authentications', type: :request do
-  let(:user) { create(:user_account) }
-  let(:params) { { credentials: { email: user.email, password: user.password } } }
-  let(:headers) { { 'CONTENT_TYPE' => 'application/json' } }
-
-  describe 'POST /api/authenticate' do
-    scenario 'successfully' do
-      post('/api/authenticate', params: params.to_json, headers:)
-      expect(response).to have_http_status(200)
-      expect(response.body).to include('token')
-      expect(response.body).to include('refresh')
-    end
-
-    scenario 'unsuccessfully' do
-      params[:credentials][:password] = 'wrong_password'
-      post('/api/authenticate', params: params.to_json, headers:)
-      expect(response).to have_http_status(401)
-      expect(response.body).to include('Credenciales incorrectas')
-    end
+RSpec.describe 'POST /api/authenticate', type: :request do
+  it_behaves_like 'a POST request' do
+    let(:route) { '/api/authenticate' }
+    let(:expected_error_message) { 'Credenciales incorrectas' }
+    let(:desired_error_status) { 401 }
+    let(:expected_text) { %w[token refresh] }
+    let(:user) { create(:user_account) }
+    let(:params) { { credentials: { email: user.email, password: user.password } } }
+    let(:wrong_params) { { credentials: { email: user.email, password: 'wrong_password' } } }
   end
 end
diff --git a/spec/support/include_strings.rb b/spec/support/include_strings.rb
new file mode 100644
index 0000000..bddff1a
--- /dev/null
+++ b/spec/support/include_strings.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+require 'rspec/expectations'
+
+RSpec::Matchers.define :include_strings do |expected|
+  match do |actual|
+    includes_strings = true
+    expected.each do |s|
+      includes_strings = false unless actual.include?(s)
+    end
+    includes_strings
+  end
+end
diff --git a/spec/support/shared_examples/requests/post_request.rb b/spec/support/shared_examples/requests/post_request.rb
new file mode 100644
index 0000000..6ea2a86
--- /dev/null
+++ b/spec/support/shared_examples/requests/post_request.rb
@@ -0,0 +1,19 @@
+RSpec.shared_examples 'a POST request' do
+  let(:headers) { { 'CONTENT_TYPE' => 'application/json' } }
+
+  context 'with correct parameters' do
+    it 'returns a successful http status and a response to the posted data' do
+      post(route, params: params.to_json, headers:)
+      expect(response).to have_http_status(200)
+      expect(response.body).to include_strings(expected_text)
+    end
+  end
+
+  context 'with incorrect parameters' do
+    it 'returns a client side error http status and a error message' do
+      post('/api/authenticate', params: wrong_params.to_json, headers:)
+      expect(response).to have_http_status(desired_error_status)
+      expect(response.body).to include(expected_error_message)
+    end
+  end
+end
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