Add failing test and fix it

Author: Mateusz Krzeszowiak

app/code/Magento/Customer/view/frontend/web/js/section-config.js

@@ -50,7 +50,7 @@ define(['underscore'], function (_) {
                     return route.indexOf(section) === 0;
                 });
 
-            return _.union(actions, sections['*']);
+            return _.union(_.toArray(actions), sections['*']);
         },
 
         /**

dev/tests/js/jasmine/tests/app/code/Magento/Customer/frontend/js/section-config.test.js

@@ -128,6 +128,21 @@ define(['squire'], function (Squire) {
 
                 expect(obj.getAffectedSections('http://localhost.com/path')).toEqual(['all']);
             });
+
+            it('Ignores capitalization in parts of URL.', function () {
+                obj['Magento_Customer/js/section-config']({
+                    sections: {
+                        'path': [
+                            'section'
+                        ]
+                    },
+                    baseUrls: [
+                        'http://localhost.com/'
+                    ]
+                });
+
+                expect(obj.getAffectedSections('http://localhost.com/PaTh')).toEqual(['section']);
+            });
         });
 
         describe('"filterClientSideSections" method', function () {