2 files changed, 22 insertions, 0 deletions
diff --git a/spec/javascripts/filtered_search/filtered_search_manager_spec.js b/spec/javascripts/filtered_search/filtered_search_manager_spec.js
index 848c7656a8d..5f7c05e9014 100644
--- a/spec/javascripts/filtered_search/filtered_search_manager_spec.js
+++ b/spec/javascripts/filtered_search/filtered_search_manager_spec.js
@@ -92,6 +92,20 @@ const FilteredSearchSpecHelper = require('../helpers/filtered_search_spec_helper
 
         manager.search();
       });
+
+      it('removes duplicated tokens', (done) => {
+        tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(`
+          ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('label', '~bug')}
+          ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('label', '~bug')}
+        `);
+
+        spyOn(gl.utils, 'visitUrl').and.callFake((url) => {
+          expect(url).toEqual(`${defaultParams}&label_name[]=bug`);
+          done();
+        });
+
+        manager.search();
+      });
     });
 
     describe('handleInputPlaceholder', () => {
diff --git a/spec/javascripts/filtered_search/filtered_search_tokenizer_spec.js b/spec/javascripts/filtered_search/filtered_search_tokenizer_spec.js
index a91801cfc89..cabbc694ec4 100644
--- a/spec/javascripts/filtered_search/filtered_search_tokenizer_spec.js
+++ b/spec/javascripts/filtered_search/filtered_search_tokenizer_spec.js
@@ -122,6 +122,14 @@ require('~/filtered_search/filtered_search_tokenizer');
         expect(results.lastToken).toBe('std::includes');
         expect(results.searchToken).toBe('std::includes');
       });
+
+      it('removes duplicated values', () => {
+        const results = gl.FilteredSearchTokenizer.processTokens('label:~foo label:~foo');
+        expect(results.tokens.length).toBe(1);
+        expect(results.tokens[0].key).toBe('label');
+        expect(results.tokens[0].value).toBe('foo');
+        expect(results.tokens[0].symbol).toBe('~');
+      });
     });
   });
 })();