1 files changed, 62 insertions, 0 deletions
diff --git a/activestorage/test/service/mirror_service_test.rb b/activestorage/test/service/mirror_service_test.rb
new file mode 100644
index 0000000000..129e11d06f
--- /dev/null
+++ b/activestorage/test/service/mirror_service_test.rb
@@ -0,0 +1,62 @@
+require "service/shared_service_tests"
+
+class ActiveStorage::Service::MirrorServiceTest < ActiveSupport::TestCase
+  mirror_config = (1..3).map do |i|
+    [ "mirror_#{i}",
+      service: "Disk",
+      root: Dir.mktmpdir("active_storage_tests_mirror_#{i}") ]
+  end.to_h
+
+  config = mirror_config.merge \
+    mirror:   { service: "Mirror", primary: "primary", mirrors: mirror_config.keys },
+    primary:  { service: "Disk", root: Dir.mktmpdir("active_storage_tests_primary") }
+
+  SERVICE = ActiveStorage::Service.configure :mirror, config
+
+  include ActiveStorage::Service::SharedServiceTests
+
+  test "uploading to all services" do
+    begin
+      data = "Something else entirely!"
+      key  = upload(data, to: @service)
+
+      assert_equal data, SERVICE.primary.download(key)
+      SERVICE.mirrors.each do |mirror|
+        assert_equal data, mirror.download(key)
+      end
+    ensure
+      @service.delete key
+    end
+  end
+
+  test "downloading from primary service" do
+    data = "Something else entirely!"
+    key  = upload(data, to: SERVICE.primary)
+
+    assert_equal data, @service.download(key)
+  end
+
+  test "deleting from all services" do
+    @service.delete FIXTURE_KEY
+    assert_not SERVICE.primary.exist?(FIXTURE_KEY)
+    SERVICE.mirrors.each do |mirror|
+      assert_not mirror.exist?(FIXTURE_KEY)
+    end
+  end
+
+  test "URL generation in primary service" do
+    freeze_time do
+      assert_equal SERVICE.primary.url(FIXTURE_KEY, expires_in: 2.minutes, disposition: :inline, filename: "test.txt", content_type: "text/plain"),
+        @service.url(FIXTURE_KEY, expires_in: 2.minutes, disposition: :inline, filename: "test.txt", content_type: "text/plain")
+    end
+  end
+
+  private
+    def upload(data, to:)
+      SecureRandom.base58(24).tap do |key|
+        io = StringIO.new(data).tap(&:read)
+        @service.upload key, io, checksum: Digest::MD5.base64digest(data)
+        assert io.eof?
+      end
+    end
+end