Test detached getStyleFromLayers

src/style_manager/model/PropertyStack.js

@@ -321,7 +321,9 @@ export default Property.extend({
       result[key] = result[key].join(this.__getJoinLayers());
     });
 
-    if (!this.isDetached()) {
+    if (this.isDetached()) {
+      result[this.getName()] = '';
+    } else {
       const style = this.getProperties().reduce((acc, prop) => {
         acc[prop.getName()] = '';
         return acc;

test/specs/style_manager/model/Properties.js

@@ -187,6 +187,16 @@ describe('StyleManager properties logic', () => {
       });
     });
 
+    test('getStyleFromLayers detached', () => {
+      compTypeProp.set('detached', true);
+      expect(compTypeProp.getStyleFromLayers()).toEqual({
+        [propTest]: '',
+        [propATest]: 'valueA-1, valueA-2',
+        [propBTest]: 'valueB-1, valueB-2',
+        [propCTest]: 'valueC-1-ext, valueC-2-ext',
+      });
+    });
+
     test('Layers has the right values', () => {
       expect(compTypeProp.getLayer(0).getValues()).toEqual({
         [propATest]: 'valueA-1',