1 files changed, 186 insertions, 0 deletions
diff --git a/spec/frontend/search/sidebar/components/project_filter_spec.js b/spec/frontend/search/sidebar/components/project_filter_spec.js
new file mode 100644
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+++ b/spec/frontend/search/sidebar/components/project_filter_spec.js
@@ -0,0 +1,186 @@
+import { shallowMount } from '@vue/test-utils';
+import { cloneDeep } from 'lodash';
+import Vue from 'vue';
+// eslint-disable-next-line no-restricted-imports
+import Vuex from 'vuex';
+import { MOCK_PROJECT, MOCK_QUERY, CURRENT_SCOPE } from 'jest/search/mock_data';
+import { visitUrl, setUrlParams } from '~/lib/utils/url_utility';
+import { PROJECTS_LOCAL_STORAGE_KEY } from '~/search/store/constants';
+import ProjectFilter from '~/search/sidebar/components/project_filter.vue';
+import SearchableDropdown from '~/search/sidebar/components/searchable_dropdown.vue';
+import { ANY_OPTION, GROUP_DATA, PROJECT_DATA } from '~/search/sidebar/constants';
+
+Vue.use(Vuex);
+
+jest.mock('~/lib/utils/url_utility', () => ({
+  visitUrl: jest.fn(),
+  setUrlParams: jest.fn(),
+}));
+
+describe('ProjectFilter', () => {
+  let wrapper;
+
+  const actionSpies = {
+    fetchProjects: jest.fn(),
+    setFrequentProject: jest.fn(),
+    loadFrequentProjects: jest.fn(),
+  };
+
+  const defaultProps = {
+    initialData: null,
+    projectInitialJson: MOCK_PROJECT,
+    searchHandler: jest.fn(),
+  };
+
+  const createComponent = (initialState, props) => {
+    const store = new Vuex.Store({
+      state: {
+        query: MOCK_QUERY,
+        projectInitialJson: MOCK_PROJECT,
+        ...initialState,
+      },
+      actions: actionSpies,
+      getters: {
+        frequentProjects: () => [],
+        currentScope: () => CURRENT_SCOPE,
+      },
+    });
+
+    wrapper = shallowMount(ProjectFilter, {
+      store,
+      propsData: {
+        ...defaultProps,
+        ...props,
+      },
+    });
+  };
+
+  const findSearchableDropdown = () => wrapper.findComponent(SearchableDropdown);
+
+  describe('template', () => {
+    beforeEach(() => {
+      createComponent();
+    });
+
+    it('renders SearchableDropdown always', () => {
+      expect(findSearchableDropdown().exists()).toBe(true);
+    });
+  });
+
+  describe('events', () => {
+    beforeEach(() => {
+      createComponent();
+    });
+
+    describe('when @change is emitted', () => {
+      describe('with Any', () => {
+        beforeEach(() => {
+          findSearchableDropdown().vm.$emit('change', ANY_OPTION);
+        });
+
+        it('calls setUrlParams with null, no group id, nav_source null, then calls visitUrl', () => {
+          expect(setUrlParams).toHaveBeenCalledWith({
+            [PROJECT_DATA.queryParam]: null,
+            nav_source: null,
+            scope: CURRENT_SCOPE,
+          });
+          expect(visitUrl).toHaveBeenCalled();
+        });
+
+        it('does not call setFrequentProject', () => {
+          expect(actionSpies.setFrequentProject).not.toHaveBeenCalled();
+        });
+      });
+
+      describe('with a Project', () => {
+        beforeEach(() => {
+          findSearchableDropdown().vm.$emit('change', MOCK_PROJECT);
+        });
+
+        it('calls setUrlParams with project id, group id, nav_source null, then calls visitUrl', () => {
+          expect(setUrlParams).toHaveBeenCalledWith({
+            [GROUP_DATA.queryParam]: MOCK_PROJECT.namespace.id,
+            [PROJECT_DATA.queryParam]: MOCK_PROJECT.id,
+            nav_source: null,
+            scope: CURRENT_SCOPE,
+          });
+          expect(visitUrl).toHaveBeenCalled();
+        });
+
+        it(`calls setFrequentProject with the group and ${PROJECTS_LOCAL_STORAGE_KEY}`, () => {
+          expect(actionSpies.setFrequentProject).toHaveBeenCalledWith(
+            expect.any(Object),
+            MOCK_PROJECT,
+          );
+        });
+      });
+    });
+
+    describe('when @first-open is emitted', () => {
+      beforeEach(() => {
+        findSearchableDropdown().vm.$emit('first-open');
+      });
+
+      it('calls loadFrequentProjects', () => {
+        expect(actionSpies.loadFrequentProjects).toHaveBeenCalledTimes(1);
+      });
+    });
+  });
+
+  describe('computed', () => {
+    describe('selectedProject', () => {
+      describe('when initialData is null', () => {
+        beforeEach(() => {
+          createComponent({ projectInitialJson: ANY_OPTION }, {});
+        });
+
+        it('sets selectedProject to ANY_OPTION', () => {
+          expect(cloneDeep(wrapper.vm.selectedProject)).toStrictEqual(ANY_OPTION);
+        });
+      });
+
+      describe('when initialData is set', () => {
+        beforeEach(() => {
+          createComponent({ projectInitialJson: MOCK_PROJECT }, {});
+        });
+
+        it('sets selectedProject to the initialData', () => {
+          expect(wrapper.vm.selectedProject).toBe(MOCK_PROJECT);
+        });
+      });
+    });
+  });
+
+  describe.each`
+    navSource   | initialData     | callMethod
+    ${null}     | ${null}         | ${false}
+    ${null}     | ${MOCK_PROJECT} | ${false}
+    ${'navbar'} | ${null}         | ${false}
+    ${'navbar'} | ${MOCK_PROJECT} | ${true}
+  `('onCreate', ({ navSource, initialData, callMethod }) => {
+    describe(`when nav_source is ${navSource} and ${
+      initialData ? 'has' : 'does not have'
+    } an initial project`, () => {
+      beforeEach(() => {
+        createComponent(
+          {
+            query: { ...MOCK_QUERY, nav_source: navSource },
+            projectInitialJson: { ...initialData },
+          },
+          {},
+        );
+      });
+
+      it(`${callMethod ? 'does' : 'does not'} call setFrequentProject`, () => {
+        if (callMethod) {
+          expect(actionSpies.setFrequentProject).toHaveBeenCalledWith(
+            expect.any(Object),
+            initialData,
+          );
+        } else {
+          expect(actionSpies.setFrequentProject).not.toHaveBeenCalled();
+        }
+      });
+    });
+  });
+});