1 files changed, 27 insertions, 0 deletions
diff --git a/spec/migrations/remove_additional_application_settings_rows_spec.rb b/spec/migrations/remove_additional_application_settings_rows_spec.rb
new file mode 100644
index 00000000000..379fa385b8e
--- /dev/null
+++ b/spec/migrations/remove_additional_application_settings_rows_spec.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+require Rails.root.join('db', 'post_migrate', '20200420162730_remove_additional_application_settings_rows.rb')
+
+describe RemoveAdditionalApplicationSettingsRows do
+  let(:application_settings) { table(:application_settings) }
+
+  it 'removes additional rows from application settings' do
+    3.times { application_settings.create! }
+    latest_settings = application_settings.create!
+
+    disable_migrations_output { migrate! }
+
+    expect(application_settings.count).to eq(1)
+    expect(application_settings.first).to eq(latest_settings)
+  end
+
+  it 'leaves only row in application_settings' do
+    latest_settings = application_settings.create!
+
+    disable_migrations_output { migrate! }
+
+    expect(application_settings.first).to eq(latest_settings)
+  end
+end