blacklist import export

test/spec/Blacklist.ts

@@ -5,7 +5,7 @@
  * Created by Timo Hocker <timo@scode.ovh>, December 2020
  */
 
-import blacklist from '../../lib/Blacklist';
+import blacklist, { Blacklist } from '../../lib/Blacklist';
 import { clock_finalize, clock_setup } from '../Helper';
 
 // eslint-disable-next-line max-lines-per-function
@@ -60,4 +60,16 @@ describe ('blacklist', () => {
     expect (blacklist.is_valid ('baz'))
       .toBeFalse ();
   });
+
+  it ('should export and import data', () => {
+    const exp = blacklist.export_blacklist ();
+    // eslint-disable-next-line dot-notation
+    expect (blacklist['_signatures'])
+      .toEqual (exp);
+    const bl2 = (new Blacklist);
+    bl2.import_blacklist (exp);
+    // eslint-disable-next-line dot-notation
+    expect (bl2['_signatures'])
+      .toEqual (exp);
+  });
 });