Add registrar website to UI

#279

spec/requests/admin/registrars/create_spec.rb

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+require 'rails_helper'
+
+RSpec.describe 'admin registrar create' do
+  subject(:registrar) { Registrar.first }
+
+  before :example do
+    sign_in_to_admin_area
+  end
+
+  it 'creates new registrar' do
+    expect { post admin_registrars_path, registrar: attributes_for(:registrar) }
+      .to change { Registrar.count }.from(0).to(1)
+  end
+
+  it 'saves website' do
+    post admin_registrars_path, { registrar: attributes_for(:registrar, website: 'test') }
+    expect(registrar.website).to eq('test')
+  end
+
+  it 'redirects to :show' do
+    post admin_registrars_path, { registrar: attributes_for(:registrar) }
+    expect(response).to redirect_to admin_registrar_path(registrar)
+  end
+end

spec/requests/admin/registrars/update_spec.rb

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+require 'rails_helper'
+
+RSpec.describe 'admin registrar update' do
+  before :example do
+    sign_in_to_admin_area
+  end
+
+  it 'updates website' do
+    registrar = create(:registrar, website: 'test')
+
+    patch admin_registrar_path(registrar), registrar: attributes_for(:registrar, website: 'new-website')
+    registrar.reload
+
+    expect(registrar.website).to eq('new-website')
+  end
+
+  it 'redirects to :show' do
+    registrar = create(:registrar)
+
+    patch admin_registrar_path(registrar), { registrar: attributes_for(:registrar) }
+
+    expect(response).to redirect_to admin_registrar_path(registrar)
+  end
+end

spec/views/admin/registrars/_form.haml_spec.rb

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+require 'rails_helper'
+
+RSpec.describe 'admin/registrars/_form' do
+  let(:registrar) { build_stubbed(:registrar) }
+
+  before :example do
+    assign(:registrar, registrar)
+    stub_template 'shared/_full_errors' => ''
+  end
+
+  it 'has website' do
+    render
+    expect(rendered).to have_css('[name="registrar[website]"]')
+  end
+end

spec/views/admin/registrars/show.haml_spec.rb

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+require 'rails_helper'
+
+RSpec.describe 'admin/registrars/show' do
+  let(:registrar) { build_stubbed(:registrar, website: 'test website') }
+
+  before :example do
+    assign(:registrar, registrar)
+    stub_template 'shared/_title' => ''
+  end
+
+  it 'has website' do
+    render
+    expect(rendered).to have_text('test website')
+  end
+end