1 files changed, 80 insertions, 0 deletions
diff --git a/spec/javascripts/issuable_spec.js b/spec/javascripts/issuable_spec.js
new file mode 100644
index 00000000000..26d87cc5931
--- /dev/null
+++ b/spec/javascripts/issuable_spec.js
@@ -0,0 +1,80 @@
+/* global Issuable */
+
+require('~/lib/utils/url_utility');
+require('~/issuable');
+
+(() => {
+  const BASE_URL = '/user/project/issues?scope=all&state=closed';
+  const DEFAULT_PARAMS = '&utf8=%E2%9C%93';
+
+  function updateForm(formValues, form) {
+    $.each(formValues, (id, value) => {
+      $(`#${id}`, form).val(value);
+    });
+  }
+
+  function resetForm(form) {
+    $('input[name!="utf8"]', form).each((index, input) => {
+      input.setAttribute('value', '');
+    });
+  }
+
+  describe('Issuable', () => {
+    preloadFixtures('static/issuable_filter.html.raw');
+
+    beforeEach(() => {
+      loadFixtures('static/issuable_filter.html.raw');
+      Issuable.init();
+    });
+
+    it('should be defined', () => {
+      expect(window.Issuable).toBeDefined();
+    });
+
+    describe('filtering', () => {
+      let $filtersForm;
+
+      beforeEach(() => {
+        $filtersForm = $('.js-filter-form');
+        loadFixtures('static/issuable_filter.html.raw');
+        resetForm($filtersForm);
+      });
+
+      it('should contain only the default parameters', () => {
+        spyOn(gl.utils, 'visitUrl');
+
+        Issuable.filterResults($filtersForm);
+
+        expect(gl.utils.visitUrl).toHaveBeenCalledWith(BASE_URL + DEFAULT_PARAMS);
+      });
+
+      it('should filter for the phrase "broken"', () => {
+        spyOn(gl.utils, 'visitUrl');
+
+        updateForm({ search: 'broken' }, $filtersForm);
+        Issuable.filterResults($filtersForm);
+        const params = `${DEFAULT_PARAMS}&search=broken`;
+
+        expect(gl.utils.visitUrl).toHaveBeenCalledWith(BASE_URL + params);
+      });
+
+      it('should keep query parameters after modifying filter', () => {
+        spyOn(gl.utils, 'visitUrl');
+
+        // initial filter
+        updateForm({ milestone_title: 'v1.0' }, $filtersForm);
+
+        Issuable.filterResults($filtersForm);
+        let params = `${DEFAULT_PARAMS}&milestone_title=v1.0`;
+        expect(gl.utils.visitUrl).toHaveBeenCalledWith(BASE_URL + params);
+
+        // update filter
+        updateForm({ label_name: 'Frontend' }, $filtersForm);
+
+        Issuable.filterResults($filtersForm);
+        params = `${DEFAULT_PARAMS}&milestone_title=v1.0&label_name=Frontend`;
+        expect(gl.utils.visitUrl).toHaveBeenCalledWith(BASE_URL + params);
+      });
+    });
+  });
+})();