1 files changed, 174 insertions, 0 deletions
diff --git a/spec/frontend/add_context_commits_modal/components/add_context_commits_modal_spec.js b/spec/frontend/add_context_commits_modal/components/add_context_commits_modal_spec.js
new file mode 100644
index 00000000000..6904e34db5d
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+++ b/spec/frontend/add_context_commits_modal/components/add_context_commits_modal_spec.js
@@ -0,0 +1,174 @@
+import { shallowMount, createLocalVue } from '@vue/test-utils';
+import Vuex from 'vuex';
+import { GlModal, GlSearchBoxByType } from '@gitlab/ui';
+import AddReviewItemsModal from '~/add_context_commits_modal/components/add_context_commits_modal_wrapper.vue';
+import getDiffWithCommit from '../../diffs/mock_data/diff_with_commit';
+
+import defaultState from '~/add_context_commits_modal/store/state';
+import mutations from '~/add_context_commits_modal/store/mutations';
+import * as actions from '~/add_context_commits_modal/store/actions';
+
+const localVue = createLocalVue();
+localVue.use(Vuex);
+
+describe('AddContextCommitsModal', () => {
+  let wrapper;
+  let store;
+  const createContextCommits = jest.fn();
+  const removeContextCommits = jest.fn();
+  const resetModalState = jest.fn();
+  const searchCommits = jest.fn();
+  const { commit } = getDiffWithCommit();
+
+  const createWrapper = (props = {}) => {
+    store = new Vuex.Store({
+      mutations,
+      state: {
+        ...defaultState(),
+      },
+      actions: {
+        ...actions,
+        searchCommits,
+        createContextCommits,
+        removeContextCommits,
+        resetModalState,
+      },
+    });
+
+    wrapper = shallowMount(AddReviewItemsModal, {
+      localVue,
+      store,
+      propsData: {
+        contextCommitsPath: '',
+        targetBranch: 'master',
+        mergeRequestIid: 1,
+        projectId: 1,
+        ...props,
+      },
+    });
+    return wrapper;
+  };
+
+  const findModal = () => wrapper.find(GlModal);
+  const findSearch = () => wrapper.find(GlSearchBoxByType);
+
+  beforeEach(() => {
+    wrapper = createWrapper();
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  it('renders modal with 2 tabs', () => {
+    expect(wrapper.element).toMatchSnapshot();
+  });
+
+  it('an ok button labeled "Save changes"', () => {
+    expect(findModal().attributes('ok-title')).toEqual('Save changes');
+  });
+
+  describe('when in first tab, renders a modal with', () => {
+    it('renders the search box component', () => {
+      expect(findSearch().exists()).toBe(true);
+    });
+
+    it('when user starts entering text in search box, it calls action "searchCommits" after waiting for 500s', () => {
+      const searchText = 'abcd';
+      findSearch().vm.$emit('input', searchText);
+      expect(searchCommits).not.toBeCalled();
+      jest.advanceTimersByTime(500);
+      expect(searchCommits).toHaveBeenCalledWith(expect.anything(), searchText, undefined);
+    });
+
+    it('disabled ok button when no row is selected', () => {
+      expect(findModal().attributes('ok-disabled')).toBe('true');
+    });
+
+    it('enabled ok button when atleast one row is selected', () => {
+      wrapper.vm.$store.state.selectedCommits = [{ ...commit, isSelected: true }];
+      return wrapper.vm.$nextTick().then(() => {
+        expect(findModal().attributes('ok-disabled')).toBeFalsy();
+      });
+    });
+  });
+
+  describe('when in second tab, renders a modal with', () => {
+    beforeEach(() => {
+      wrapper.vm.$store.state.tabIndex = 1;
+    });
+    it('a disabled ok button when no row is selected', () => {
+      expect(findModal().attributes('ok-disabled')).toBe('true');
+    });
+
+    it('an enabled ok button when atleast one row is selected', () => {
+      wrapper.vm.$store.state.selectedCommits = [{ ...commit, isSelected: true }];
+      return wrapper.vm.$nextTick().then(() => {
+        expect(findModal().attributes('ok-disabled')).toBeFalsy();
+      });
+    });
+
+    it('a disabled ok button in first tab, when row is selected in second tab', () => {
+      createWrapper({ selectedContextCommits: [commit] });
+      expect(wrapper.find(GlModal).attributes('ok-disabled')).toBe('true');
+    });
+  });
+
+  describe('has an ok button when clicked calls action', () => {
+    it('"createContextCommits" when only new commits to be added ', () => {
+      wrapper.vm.$store.state.selectedCommits = [{ ...commit, isSelected: true }];
+      findModal().vm.$emit('ok');
+      return wrapper.vm.$nextTick().then(() => {
+        expect(createContextCommits).toHaveBeenCalledWith(
+          expect.anything(),
+          { commits: [{ ...commit, isSelected: true }], forceReload: true },
+          undefined,
+        );
+      });
+    });
+    it('"removeContextCommits" when only added commits are to be removed ', () => {
+      wrapper.vm.$store.state.toRemoveCommits = [commit.short_id];
+      findModal().vm.$emit('ok');
+      return wrapper.vm.$nextTick().then(() => {
+        expect(removeContextCommits).toHaveBeenCalledWith(expect.anything(), true, undefined);
+      });
+    });
+    it('"createContextCommits" and "removeContextCommits" when new commits are to be added and old commits are to be removed', () => {
+      wrapper.vm.$store.state.selectedCommits = [{ ...commit, isSelected: true }];
+      wrapper.vm.$store.state.toRemoveCommits = [commit.short_id];
+      findModal().vm.$emit('ok');
+      return wrapper.vm.$nextTick().then(() => {
+        expect(createContextCommits).toHaveBeenCalledWith(
+          expect.anything(),
+          { commits: [{ ...commit, isSelected: true }] },
+          undefined,
+        );
+        expect(removeContextCommits).toHaveBeenCalledWith(expect.anything(), undefined, undefined);
+      });
+    });
+  });
+
+  describe('has a cancel button when clicked', () => {
+    it('does not call "createContextCommits" or "removeContextCommits"', () => {
+      findModal().vm.$emit('cancel');
+      expect(createContextCommits).not.toHaveBeenCalled();
+      expect(removeContextCommits).not.toHaveBeenCalled();
+    });
+    it('"resetModalState" to reset all the modal state', () => {
+      findModal().vm.$emit('cancel');
+      expect(resetModalState).toHaveBeenCalledWith(expect.anything(), undefined, undefined);
+    });
+  });
+
+  describe('when model is closed by clicking the "X" button or by pressing "ESC" key', () => {
+    it('does not call "createContextCommits" or "removeContextCommits"', () => {
+      findModal().vm.$emit('close');
+      expect(createContextCommits).not.toHaveBeenCalled();
+      expect(removeContextCommits).not.toHaveBeenCalled();
+    });
+    it('"resetModalState" to reset all the modal state', () => {
+      findModal().vm.$emit('close');
+      expect(resetModalState).toHaveBeenCalledWith(expect.anything(), undefined, undefined);
+    });
+  });
+});