1 files changed, 51 insertions, 0 deletions
diff --git a/spec/javascripts/mini_pipeline_graph_dropdown_spec.js.es6 b/spec/javascripts/mini_pipeline_graph_dropdown_spec.js.es6
new file mode 100644
index 00000000000..d1793e9308e
--- /dev/null
+++ b/spec/javascripts/mini_pipeline_graph_dropdown_spec.js.es6
@@ -0,0 +1,51 @@
+/* eslint-disable no-new */
+
+//= require flash
+//= require mini_pipeline_graph_dropdown
+
+(() => {
+  describe('Mini Pipeline Graph Dropdown', () => {
+    fixture.preload('mini_dropdown_graph');
+
+    beforeEach(() => {
+      fixture.load('mini_dropdown_graph');
+    });
+
+    describe('When is initialized', () => {
+      it('should initialize without errors when no options are given', () => {
+        const miniPipelineGraph = new window.gl.MiniPipelineGraph();
+
+        expect(miniPipelineGraph.dropdownListSelector).toEqual('.js-builds-dropdown-container');
+      });
+
+      it('should set the container as the given prop', () => {
+        const container = '.foo';
+
+        const miniPipelineGraph = new window.gl.MiniPipelineGraph({ container });
+
+        expect(miniPipelineGraph.container).toEqual(container);
+      });
+    });
+
+    describe('When dropdown is clicked', () => {
+      it('should call getBuildsList', () => {
+        const getBuildsListSpy = spyOn(gl.MiniPipelineGraph.prototype, 'getBuildsList').and.callFake(function () {});
+
+        new gl.MiniPipelineGraph({ container: '.js-builds-dropdown-tests' });
+
+        document.querySelector('.js-builds-dropdown-button').click();
+
+        expect(getBuildsListSpy).toHaveBeenCalled();
+      });
+
+      it('should make a request to the endpoint provided in the html', () => {
+        const ajaxSpy = spyOn($, 'ajax').and.callFake(function () {});
+
+        new gl.MiniPipelineGraph({ container: '.js-builds-dropdown-tests' });
+
+        document.querySelector('.js-builds-dropdown-button').click();
+        expect(ajaxSpy.calls.allArgs()[0][0].url).toEqual('foobar');
+      });
+    });
+  });
+})();