2 files changed, 11 insertions, 2 deletions
diff --git a/test/blob_test.rb b/test/blob_test.rb
index 9f7c14533e..ad2df51ca9 100644
--- a/test/blob_test.rb
+++ b/test/blob_test.rb
@@ -1,7 +1,12 @@
 require "test_helper"
+require "database/setup"
+require "active_file/blob"
+
+ActiveFile::Blob.site = ActiveFile::Sites::DiskSite.new(File.join(Dir.tmpdir, "active_file"))
 
 class ActiveFile::BlobTest < ActiveSupport::TestCase
-  test "truth" do
-    assert true
+  test "create after upload" do
+    blob = ActiveFile::Blob.create_after_upload! data: StringIO.new("Hello world!"), filename: "hello.txt", content_type: "text/plain"
+    assert_equal "Hello world!", blob.download
   end
 end
diff --git a/test/database/setup.rb b/test/database/setup.rb
new file mode 100644
index 0000000000..21ede8f49c
--- /dev/null
+++ b/test/database/setup.rb
@@ -0,0 +1,4 @@
+require "active_file/migration"
+
+ActiveRecord::Base.establish_connection(adapter: 'sqlite3', database: ':memory:')
+ActiveFile::CreateBlobs.migrate(:up)