Add tests for Oauth::AuthorizationsController

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

spec/controllers/oauth/authorizations_controller_spec.rb

+require 'spec_helper'
+
+describe Oauth::AuthorizationsController do
+  let(:user) { create(:user) }
+
+  let(:doorkeeper) do
+    Doorkeeper::Application.create(
+      name: "MyApp",
+      redirect_uri: 'http://example.com',
+      scopes: "")
+  end
+
+  let(:params) do
+    {
+      response_type: "code",
+      client_id: doorkeeper.uid,
+      redirect_uri: doorkeeper.redirect_uri,
+      state: 'state'
+    }
+  end
+
+  before do
+    sign_in(user)
+  end
+
+  describe 'GET #new' do
+    context 'without valid params' do
+      it 'returns 200 code and renders error view' do
+        get :new
+
+        expect(response).to have_http_status(200)
+        expect(response).to render_template('doorkeeper/authorizations/error')
+      end
+    end
+
+    context 'with valid params' do
+      it 'returns 200 code and renders view' do
+        get :new, params
+
+        expect(response).to have_http_status(200)
+        expect(response).to render_template('doorkeeper/authorizations/new')
+      end
+
+      it 'deletes session.user_return_to and redirects when skip authorization' do
+        request.session['user_return_to'] = 'http://example.com'
+        allow(controller).to receive(:skip_authorization?).and_return(true)
+
+        get :new, params
+
+        expect(request.session['user_return_to']).to be_nil
+        expect(response).to have_http_status(302)
+      end
+    end
+  end
+end