Add some registrar session specs

spec/fabricators/api_user_fabricator.rb

@@ -2,6 +2,7 @@
 Fabricator(:api_user) do
   username { sequence(:username) { |i| "username#{i}" } }
   password 'ghyt9e4fu'
+  identity_code '14212128025'
   registrar
   active true
 end

spec/features/registrar/sessions_spec.rb

@@ -0,0 +1,51 @@
+require 'rails_helper'
+
+feature 'Sessions', type: :feature do
+  before :all do
+    create_settings
+    Fabricate(:api_user)
+  end
+
+  scenario 'Api user should not get in when external service fails' do
+    client = instance_double("Digidoc::Client")
+    allow(client).to receive(:authenticate).and_return(
+      OpenStruct.new(
+        faultcode: 'Fault',
+        detail: OpenStruct.new(
+          message: 'Something is wrong'
+        )
+      )
+    )
+
+    allow(Digidoc::Client).to receive(:new) { client }
+
+    visit registrar_login_path
+    page.should have_css('a[href="/registrar/login/mid"]')
+
+    page.find('a[href="/registrar/login/mid"]').click
+
+    fill_in 'user_phone', with: '00007'
+    click_button 'Log in'
+    page.should have_text('Something is wrong')
+  end
+
+  scenario 'Api user should not get in when there is not such user' do
+    client = instance_double("Digidoc::Client")
+    allow(client).to receive(:authenticate).and_return(
+      OpenStruct.new(
+        user_id_code: '123'
+      )
+    )
+
+    allow(Digidoc::Client).to receive(:new) { client }
+
+    visit registrar_login_path
+    page.should have_css('a[href="/registrar/login/mid"]')
+
+    page.find('a[href="/registrar/login/mid"]').click
+
+    fill_in 'user_phone', with: '00007'
+    click_button 'Log in'
+    page.should have_text('No such user')
+  end
+end