Fixed Non-ASCII attachment filename will crash when downloading.

Thanks to xet7 !

Fixes #2759

packages/wekan-cfs-access-point/tests/server-tests.js

@@ -0,0 +1,68 @@
+function equals(a, b) {
+  return !!(EJSON.stringify(a) === EJSON.stringify(b));
+}
+
+FS.debug = true;
+
+Tinytest.add('cfs-access-point - server - test environment', function(test) {
+  test.isTrue(typeof FS.Collection !== 'undefined', 'test environment not initialized FS.Collection');
+  test.isTrue(typeof FS.HTTP !== 'undefined', 'test environment not initialized FS.HTTP');
+});
+
+Images = new FS.Collection('images', {
+  stores: [
+    new FS.Store.GridFS('gridList')
+  ]
+});
+
+Images.allow({
+  insert: function() {
+    return true;
+  },
+  update: function() {
+    return true;
+  },
+  remove: function() {
+    return true;
+  },
+  download: function() {
+    return true;
+  }
+});
+
+Meteor.publish("img", function () {
+  return Images.find();
+});
+
+FS.HTTP.publish(Images, function () {
+  return Images.find();
+});
+
+Meteor.methods({
+  addTestImage: function() {
+    Images.remove({});
+    var url = "http://cdn.morguefile.com/imageData/public/files/b/bboomerindenial/preview/fldr_2009_04_01/file3301238617907.jpg";
+    var fsFile = Images.insert(url);
+    return fsFile._id;
+  }
+});
+
+//Test API:
+//test.isFalse(v, msg)
+//test.isTrue(v, msg)
+//test.equalactual, expected, message, not
+//test.length(obj, len)
+//test.include(s, v)
+//test.isNaN(v, msg)
+//test.isUndefined(v, msg)
+//test.isNotNull
+//test.isNull
+//test.throws(func)
+//test.instanceOf(obj, klass)
+//test.notEqual(actual, expected, message)
+//test.runId()
+//test.exception(exception)
+//test.expect_fail()
+//test.ok(doc)
+//test.fail(doc)
+//test.equal(a, b, msg)