1 files changed, 44 insertions, 0 deletions
diff --git a/spec/migrations/migrate_elastic_index_settings_spec.rb b/spec/migrations/migrate_elastic_index_settings_spec.rb
new file mode 100644
index 00000000000..41483773903
--- /dev/null
+++ b/spec/migrations/migrate_elastic_index_settings_spec.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+require Rails.root.join('db', 'migrate', '20210324131727_migrate_elastic_index_settings.rb')
+
+RSpec.describe MigrateElasticIndexSettings do
+  let(:elastic_index_settings) { table(:elastic_index_settings) }
+  let(:application_settings) { table(:application_settings) }
+
+  context 'with application_settings present' do
+    before do
+      application_settings.create!(elasticsearch_replicas: 2, elasticsearch_shards: 15)
+    end
+
+    it 'migrates settings' do
+      migrate!
+
+      settings = elastic_index_settings.all
+
+      expect(settings.size).to eq 1
+
+      setting = settings.first
+
+      expect(setting.number_of_replicas).to eq(2)
+      expect(setting.number_of_shards).to eq(15)
+    end
+  end
+
+  context 'without application_settings present' do
+    it 'migrates settings' do
+      migrate!
+
+      settings = elastic_index_settings.all
+
+      expect(settings.size).to eq 1
+
+      setting = elastic_index_settings.first
+
+      expect(setting.number_of_replicas).to eq(1)
+      expect(setting.number_of_shards).to eq(5)
+    end
+  end
+end