1 files changed, 85 insertions, 0 deletions
diff --git a/spec/frontend/search/sidebar/components/checkbox_filter_spec.js b/spec/frontend/search/sidebar/components/checkbox_filter_spec.js
new file mode 100644
index 00000000000..82017754b23
--- /dev/null
+++ b/spec/frontend/search/sidebar/components/checkbox_filter_spec.js
@@ -0,0 +1,85 @@
+import { GlFormCheckboxGroup, GlFormCheckbox } from '@gitlab/ui';
+import Vue from 'vue';
+import Vuex from 'vuex';
+import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
+import { MOCK_QUERY, MOCK_LANGUAGE_AGGREGATIONS_BUCKETS } from 'jest/search/mock_data';
+import CheckboxFilter from '~/search/sidebar/components/checkbox_filter.vue';
+
+import { languageFilterData } from '~/search/sidebar/constants/language_filter_data';
+import { convertFiltersData } from '~/search/sidebar/utils';
+
+Vue.use(Vuex);
+
+describe('CheckboxFilter', () => {
+  let wrapper;
+
+  const actionSpies = {
+    setQuery: jest.fn(),
+  };
+
+  const defaultProps = {
+    filterData: convertFiltersData(MOCK_LANGUAGE_AGGREGATIONS_BUCKETS),
+  };
+
+  const createComponent = () => {
+    const store = new Vuex.Store({
+      state: {
+        query: MOCK_QUERY,
+      },
+      actions: actionSpies,
+    });
+
+    wrapper = shallowMountExtended(CheckboxFilter, {
+      store,
+      propsData: {
+        ...defaultProps,
+      },
+    });
+  };
+
+  beforeEach(() => {
+    createComponent();
+  });
+
+  const findFormCheckboxGroup = () => wrapper.findComponent(GlFormCheckboxGroup);
+  const findAllCheckboxes = () => wrapper.findAllComponents(GlFormCheckbox);
+  const fintAllCheckboxLabels = () => wrapper.findAllByTestId('label');
+  const fintAllCheckboxLabelCounts = () => wrapper.findAllByTestId('labelCount');
+
+  describe('Renders correctly', () => {
+    it('renders form', () => {
+      expect(findFormCheckboxGroup().exists()).toBe(true);
+    });
+
+    it('renders checkbox-filter', () => {
+      expect(findAllCheckboxes().exists()).toBe(true);
+    });
+
+    it('renders all checkbox-filter checkboxes', () => {
+      expect(findAllCheckboxes()).toHaveLength(MOCK_LANGUAGE_AGGREGATIONS_BUCKETS.length);
+    });
+
+    it('renders correctly label for the element', () => {
+      expect(fintAllCheckboxLabels().at(0).text()).toBe(MOCK_LANGUAGE_AGGREGATIONS_BUCKETS[0].key);
+    });
+
+    it('renders correctly count for the element', () => {
+      expect(fintAllCheckboxLabelCounts().at(0).text()).toBe(
+        MOCK_LANGUAGE_AGGREGATIONS_BUCKETS[0].count.toString(),
+      );
+    });
+  });
+
+  describe('actions', () => {
+    it('triggers setQuery', () => {
+      const filter =
+        defaultProps.filterData.filters[Object.keys(defaultProps.filterData.filters)[0]].value;
+      findFormCheckboxGroup().vm.$emit('input', filter);
+
+      expect(actionSpies.setQuery).toHaveBeenCalledWith(expect.any(Object), {
+        key: languageFilterData.filterParam,
+        value: filter,
+      });
+    });
+  });
+});