1 files changed, 50 insertions, 0 deletions
diff --git a/spec/migrations/20191125114345_add_admin_mode_protected_path_spec.rb b/spec/migrations/20191125114345_add_admin_mode_protected_path_spec.rb
new file mode 100644
index 00000000000..110da221393
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+++ b/spec/migrations/20191125114345_add_admin_mode_protected_path_spec.rb
@@ -0,0 +1,50 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require Rails.root.join('db', 'migrate', '20191125114345_add_admin_mode_protected_path.rb')
+
+describe AddAdminModeProtectedPath, :migration do
+  ADMIN_MODE_ENDPOINT = '/admin/session'
+
+  subject(:migration) { described_class.new }
+
+  let(:application_settings) { table(:application_settings) }
+
+  context 'no settings available' do
+    it 'makes no changes' do
+      expect { migrate! }.not_to change { application_settings.count }
+    end
+  end
+
+  context 'protected_paths is null' do
+    before do
+      application_settings.create!(protected_paths: nil)
+    end
+
+    it 'makes no changes' do
+      expect { migrate! }.not_to change { application_settings.first.protected_paths }
+    end
+  end
+
+  it 'appends admin mode endpoint' do
+    application_settings.create!(protected_paths: '{a,b,c}')
+
+    protected_paths_before = %w[a b c]
+    protected_paths_after = protected_paths_before.dup << ADMIN_MODE_ENDPOINT
+
+    expect { migrate! }.to change { application_settings.first.protected_paths }.from(protected_paths_before).to(protected_paths_after)
+  end
+
+  it 'new default includes admin mode endpoint' do
+    settings_before = application_settings.create!
+
+    expect(settings_before.protected_paths).not_to include(ADMIN_MODE_ENDPOINT)
+
+    migrate!
+
+    application_settings.reset_column_information
+    settings_after = application_settings.create!
+
+    expect(settings_after.protected_paths).to include(ADMIN_MODE_ENDPOINT)
+  end
+end