1 files changed, 30 insertions, 0 deletions
diff --git a/test/service/mirror_service_test.rb b/test/service/mirror_service_test.rb
new file mode 100644
index 0000000000..3b22c4f049
--- /dev/null
+++ b/test/service/mirror_service_test.rb
@@ -0,0 +1,30 @@
+require "tmpdir"
+require "service/shared_service_tests"
+
+class ActiveStorage::Service::MirrorServiceTest < ActiveSupport::TestCase
+  PRIMARY_DISK_SERVICE   = ActiveStorage::Service.configure(:Disk, root: File.join(Dir.tmpdir, "active_storage"))
+  SECONDARY_DISK_SERVICE = ActiveStorage::Service.configure(:Disk, root: File.join(Dir.tmpdir, "active_storage_mirror"))
+
+  SERVICE = ActiveStorage::Service.configure :Mirror, services: [ PRIMARY_DISK_SERVICE, SECONDARY_DISK_SERVICE ]
+
+  include ActiveStorage::Service::SharedServiceTests
+
+  test "uploading was done to all services" do
+    begin
+      key  = SecureRandom.base58(24)
+      data = "Something else entirely!"
+      io   = StringIO.new(data)
+      @service.upload(key, io)
+
+      assert_equal data, PRIMARY_DISK_SERVICE.download(key)
+      assert_equal data, SECONDARY_DISK_SERVICE.download(key)
+    ensure
+      @service.delete key
+    end
+  end
+
+  test "existing in all services" do
+    assert PRIMARY_DISK_SERVICE.exist?(FIXTURE_KEY)
+    assert SECONDARY_DISK_SERVICE.exist?(FIXTURE_KEY)
+  end
+end