2 files changed, 82 insertions, 0 deletions
diff --git a/spec/javascripts/lib/utils/common_utils_spec.js.es6 b/spec/javascripts/lib/utils/common_utils_spec.js.es6
index ff70664546d..61e83d73afb 100644
--- a/spec/javascripts/lib/utils/common_utils_spec.js.es6
+++ b/spec/javascripts/lib/utils/common_utils_spec.js.es6
@@ -86,5 +86,37 @@ require('~/lib/utils/common_utils');
         expect(normalized[NGINX].nginx).toBe('ok');
       });
     });
+
+    describe('gl.utils.isMetaClick', () => {
+      it('should identify meta click on Windows/Linux', () => {
+        const e = {
+          metaKey: false,
+          ctrlKey: true,
+          which: 1,
+        };
+
+        expect(gl.utils.isMetaClick(e)).toBe(true);
+      });
+
+      it('should identify meta click on macOS', () => {
+        const e = {
+          metaKey: true,
+          ctrlKey: false,
+          which: 1,
+        };
+
+        expect(gl.utils.isMetaClick(e)).toBe(true);
+      });
+
+      it('should identify as meta click on middle-click or Mouse-wheel click', () => {
+        const e = {
+          metaKey: false,
+          ctrlKey: false,
+          which: 2,
+        };
+
+        expect(gl.utils.isMetaClick(e)).toBe(true);
+      });
+    });
   });
 })();
diff --git a/spec/javascripts/merge_request_tabs_spec.js b/spec/javascripts/merge_request_tabs_spec.js
index d20a59df041..92a0f1c05f7 100644
--- a/spec/javascripts/merge_request_tabs_spec.js
+++ b/spec/javascripts/merge_request_tabs_spec.js
@@ -61,6 +61,56 @@ require('vendor/jquery.scrollTo');
         expect($('#diffs')).toHaveClass('active');
       });
     });
+    describe('#opensInNewTab', function () {
+      var commitsLink;
+      var tabUrl;
+
+      beforeEach(function () {
+        commitsLink = '.commits-tab li a';
+        tabUrl = $(commitsLink).attr('href');
+
+        spyOn($.fn, 'attr').and.returnValue(tabUrl);
+      });
+      it('opens page tab in a new browser tab with Ctrl+Click - Windows/Linux', function () {
+        spyOn(window, 'open').and.callFake(function (url, name) {
+          expect(url).toEqual(tabUrl);
+          expect(name).toEqual('_blank');
+        });
+
+        this.class.clickTab({
+          metaKey: false,
+          ctrlKey: true,
+          which: 1,
+          stopImmediatePropagation: function () {}
+        });
+      });
+      it('opens page tab in a new browser tab with Cmd+Click - Mac', function () {
+        spyOn(window, 'open').and.callFake(function (url, name) {
+          expect(url).toEqual(tabUrl);
+          expect(name).toEqual('_blank');
+        });
+
+        this.class.clickTab({
+          metaKey: true,
+          ctrlKey: false,
+          which: 1,
+          stopImmediatePropagation: function () {}
+        });
+      });
+      it('opens page tab in a new browser tab with Middle-click - Mac/PC', function () {
+        spyOn(window, 'open').and.callFake(function (url, name) {
+          expect(url).toEqual(tabUrl);
+          expect(name).toEqual('_blank');
+        });
+
+        this.class.clickTab({
+          metaKey: false,
+          ctrlKey: false,
+          which: 2,
+          stopImmediatePropagation: function () {}
+        });
+      });
+    });
 
     describe('#setCurrentAction', function () {
       beforeEach(function () {