Allowing persistence customization with environment variables

circle.yml

@@ -20,6 +20,8 @@ database:
   post:
     - "cd valkyrie && bundle exec rake db:create && bundle exec rake db:migrate"
 test:
+  override:
+    - bundle exec rake multispec
   post:
     - "cd valkyrie && bundle exec rspec spec"
 notify:

config/valkyrie.yml

@@ -1,10 +1,11 @@
 development:
-  metadata_adapter: postgres
-  storage_adapter: disk
+  metadata_adapter: <%= ENV['VALKYRIE_METADATA'] || 'postgres' %>
+  storage_adapter: <%= ENV['VALKYRIE_STORAGE'] || 'disk' %>
 
 test:
-  metadata_adapter: memory
-  storage_adapter: memory
+  metadata_adapter: <%= ENV['VALKYRIE_METADATA'] || 'memory' %>
+  storage_adapter: <%= ENV['VALKYRIE_STORAGE'] || 'memory' %>
 
 production:
-  metadata_adapter: postgres
+  metadata_adapter: <%= ENV['VALKYRIE_METADATA'] || 'postgres' %>
+  storage_adapter: <%= ENV['VALKYRIE_STORAGE'] || 'disk' %>

lib/tasks/multispec.rake

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+desc "Runs tests with a variety of backends"
+task :multispec do
+  # TODO: fix fedora/fedora
+  profiles = [
+    { metadata: 'memory',   storage: 'memory' },
+    { metadata: 'postgres', storage: 'disk' }
+  ]
+  profiles.each do |profile|
+    ENV['VALKYRIE_METADATA'] = profile[:metadata]
+    ENV['VALKYRIE_STORAGE'] = profile[:storage]
+    puts "\n\nProfile: metadata_adapter=#{profile[:metadata]}, storage_adapter=#{profile[:storage]}\n\n"
+    Rake::Task['spec'].execute
+  end
+end

spec/change_set_persisters/change_set_persister_spec.rb

@@ -33,8 +33,8 @@
       output = change_set_persister.save(change_set: change_set)
       members = query_service.find_members(resource: output)
 
-      expect(members.length).to eq 1
-      expect(members[0]).to be_kind_of FileSet
+      expect(members.to_a.length).to eq 1
+      expect(members.to_a[0]).to be_kind_of FileSet
     end
   end