1 files changed, 21 insertions, 0 deletions
diff --git a/spec/migrations/change_outbound_local_requests_whitelist_default_spec.rb b/spec/migrations/change_outbound_local_requests_whitelist_default_spec.rb
new file mode 100644
index 00000000000..232f6f090c3
--- /dev/null
+++ b/spec/migrations/change_outbound_local_requests_whitelist_default_spec.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require Rails.root.join('db', 'migrate', '20190725012225_change_outbound_local_requests_whitelist_default.rb')
+
+describe ChangeOutboundLocalRequestsWhitelistDefault, :migration do
+  let(:application_settings) { table(:application_settings) }
+
+  it 'defaults to empty array' do
+    setting = application_settings.create!
+    setting_with_value = application_settings.create!(outbound_local_requests_whitelist: '{a,b}')
+
+    expect(application_settings.where(outbound_local_requests_whitelist: nil).count).to eq(1)
+
+    migrate!
+
+    expect(application_settings.where(outbound_local_requests_whitelist: nil).count).to eq(0)
+    expect(setting.reload.outbound_local_requests_whitelist).to eq([])
+    expect(setting_with_value.reload.outbound_local_requests_whitelist).to eq(%w[a b])
+  end
+end