test: added tests for prefixed indexes

spec/lib/task_helpers_spec.rb

@@ -68,5 +68,27 @@ def assert_alias_points_to_index(alias_name, index_name)
 
     end
 
+    context("#validate_prefixes") do
+      subject { TaskHelpers::ElasticsearchHelper}
+      PREFIX = 'prefix_'
+
+      before(:each) do
+        CommentService.config[:elasticsearch_index_prefix] = PREFIX
+      end
+
+      after(:each) do
+        CommentService.config[:elasticsearch_index_prefix] = ""
+      end
+
+      it "fails if indexes aren't prefixed" do
+        expect(TaskHelpers::ElasticsearchHelper.prefixed_index_names).to eq(["prefix_comments", "prefix_comment_threads"])
+      end
+
+      it "fails if indexes created indexes aren't prefixed" do
+        CommentService.config[:elasticsearch_index_prefix] = PREFIX
+        expect(TaskHelpers::ElasticsearchHelper.create_indices.all? {|v| v.start_with?(PREFIX)} ).to be_truthy
+      end
+    end
+
   end
 end