diff --git a/test/fixtures/test1.pdf b/test/fixtures/test1.pdf
new file mode 100644
index 000000000..6502314a5
Binary files /dev/null and b/test/fixtures/test1.pdf differ
diff --git a/test/unit/store_test.rb b/test/unit/store_test.rb
new file mode 100644
index 000000000..68886e7cb
--- /dev/null
+++ b/test/unit/store_test.rb
@@ -0,0 +1,58 @@
+require 'test_helper'
+ 
+class StoreTest < ActiveSupport::TestCase
+  test 'store attachment' do
+    files = [
+      {
+        :data        => 'hello world',
+        :filename    => 'test.txt',
+      },
+      {
+        :data        => 'hello world äöüß',
+        :filename    => 'testäöüß.txt',
+      },
+      {
+        :data        => IO.read('test/fixtures/test1.pdf'),
+        :filename    => 'test.pdf',
+      },      
+    ]
+    
+
+    files.each { |file|
+      
+      md5 = Digest::MD5.hexdigest( file[:data] )
+
+      # add attachments
+      store = Store.add(
+        :object      => 'Test',
+        :o_id        => 1,
+        :data        => file[:data],
+        :filename    => file[:filename],
+        :preferences => {}
+      )
+      assert store
+
+      # get list of attachments
+      attachments = Store.list(
+        :object => 'Test',
+        :o_id   => 1
+      )
+      assert attachments
+  
+      # md5 check
+      md5_new = Digest::MD5.hexdigest( attachments[0].store_file.data )
+      assert_equal( md5, md5_new )
+
+      # filename check
+      assert_equal( file[:filename], attachments[0].filename )      
+
+      # delete attachments
+      success = Store.remove(
+        :object => 'Test',
+        :o_id   => 1
+      )
+      assert success
+    }    
+  end
+end
+