Fixes method not replacing URL parameters correctly

1 files changed, 35 insertions, 0 deletions

diff --git a/spec/javascripts/lib/utils/common_utils_spec.js b/spec/javascripts/lib/utils/common_utils_spec.js
index 7cf39d37181..5c63e5024f5 100644
--- a/spec/javascripts/lib/utils/common_utils_spec.js
+++ b/spec/javascripts/lib/utils/common_utils_spec.js
@@ -261,5 +261,40 @@ require('~/lib/utils/common_utils');
         });
       }, 10000);
     });
+
+    describe('gl.utils.setParamInURL', () => {
+      it('should return the parameter', () => {
+        expect(gl.utils.setParamInURL('page', 156)).toBe('?page=156');
+        expect(gl.utils.setParamInURL('page', '156')).toBe('?page=156');
+      });
+
+      it('should update the existing parameter when its a number', () => {
+        window.history.pushState({}, null, '?page=15');
+
+        expect(gl.utils.setParamInURL('page', 16)).toBe('?page=16');
+        expect(gl.utils.setParamInURL('page', '16')).toBe('?page=16');
+        expect(gl.utils.setParamInURL('page', true)).toBe('?page=true');
+      });
+
+      it('should update the existing parameter when its a string', () => {
+        window.history.pushState({}, null, '?scope=all');
+
+        expect(gl.utils.setParamInURL('scope', 'finished')).toBe('?scope=finished');
+      });
+
+      it('should update the existing parameter when more than one parameter exists', () => {
+        window.history.pushState({}, null, '?scope=all&page=15');
+
+        expect(gl.utils.setParamInURL('scope', 'finished')).toBe('?scope=finished&page=15');
+      });
+
+      it('should add a new parameter to the end of the existing ones', () => {
+        window.history.pushState({}, null, '?scope=all');
+
+        expect(gl.utils.setParamInURL('page', 16)).toBe('?scope=all&page=16');
+        expect(gl.utils.setParamInURL('page', '16')).toBe('?scope=all&page=16');
+        expect(gl.utils.setParamInURL('page', true)).toBe('?scope=all&page=true');
+      });
+    });
   });
 })();