Add latest changes from gitlab-org/gitlab@master

3 files changed, 274 insertions, 0 deletions

diff --git a/spec/frontend/editor/components/helpers.js b/spec/frontend/editor/components/helpers.js
new file mode 100644
index 00000000000..3e6cd2a236d
--- /dev/null
+++ b/spec/frontend/editor/components/helpers.js
@@ -0,0 +1,12 @@
+import { EDITOR_TOOLBAR_RIGHT_GROUP } from '~/editor/constants';
+
+export const buildButton = (id = 'foo-bar-btn', options = {}) => {
+  return {
+    __typename: 'Item',
+    id,
+    label: options.label || 'Foo Bar Button',
+    icon: options.icon || 'foo-bar',
+    selected: options.selected || false,
+    group: options.group || EDITOR_TOOLBAR_RIGHT_GROUP,
+  };
+};
diff --git a/spec/frontend/editor/components/source_editor_toolbar_button_spec.js b/spec/frontend/editor/components/source_editor_toolbar_button_spec.js
new file mode 100644
index 00000000000..5135091af4a
--- /dev/null
+++ b/spec/frontend/editor/components/source_editor_toolbar_button_spec.js
@@ -0,0 +1,146 @@
+import Vue, { nextTick } from 'vue';
+import VueApollo from 'vue-apollo';
+import { GlButton } from '@gitlab/ui';
+import { shallowMount } from '@vue/test-utils';
+import createMockApollo from 'helpers/mock_apollo_helper';
+import SourceEditorToolbarButton from '~/editor/components/source_editor_toolbar_button.vue';
+import getToolbarItemQuery from '~/editor/graphql/get_item.query.graphql';
+import updateToolbarItemMutation from '~/editor/graphql/update_item.mutation.graphql';
+import { buildButton } from './helpers';
+
+Vue.use(VueApollo);
+
+describe('Source Editor Toolbar button', () => {
+  let wrapper;
+  let mockApollo;
+  const defaultBtn = buildButton();
+
+  const findButton = () => wrapper.findComponent(GlButton);
+
+  const createComponentWithApollo = ({ propsData } = {}) => {
+    mockApollo = createMockApollo();
+    mockApollo.clients.defaultClient.cache.writeQuery({
+      query: getToolbarItemQuery,
+      variables: { id: defaultBtn.id },
+      data: {
+        item: {
+          ...defaultBtn,
+        },
+      },
+    });
+
+    wrapper = shallowMount(SourceEditorToolbarButton, {
+      propsData,
+      apolloProvider: mockApollo,
+    });
+  };
+
+  afterEach(() => {
+    wrapper.destroy();
+    mockApollo = null;
+  });
+
+  describe('default', () => {
+    const defaultProps = {
+      category: 'primary',
+      variant: 'default',
+    };
+    const customProps = {
+      category: 'secondary',
+      variant: 'info',
+    };
+    it('renders a default button without props', async () => {
+      createComponentWithApollo();
+      const btn = findButton();
+      expect(btn.exists()).toBe(true);
+      expect(btn.props()).toMatchObject(defaultProps);
+    });
+
+    it('renders a button based on the props passed', async () => {
+      createComponentWithApollo({
+        propsData: {
+          button: customProps,
+        },
+      });
+      const btn = findButton();
+      expect(btn.props()).toMatchObject(customProps);
+    });
+  });
+
+  describe('button updates', () => {
+    it('it properly updates button on Apollo cache update', async () => {
+      const { id } = defaultBtn;
+
+      createComponentWithApollo({
+        propsData: {
+          button: {
+            id,
+          },
+        },
+      });
+
+      expect(findButton().props('selected')).toBe(false);
+
+      mockApollo.clients.defaultClient.cache.writeQuery({
+        query: getToolbarItemQuery,
+        variables: { id },
+        data: {
+          item: {
+            ...defaultBtn,
+            selected: true,
+          },
+        },
+      });
+
+      jest.runOnlyPendingTimers();
+      await nextTick();
+
+      expect(findButton().props('selected')).toBe(true);
+    });
+  });
+
+  describe('click handler', () => {
+    it('fires the click handler on the button when available', () => {
+      const spy = jest.fn();
+      createComponentWithApollo({
+        propsData: {
+          button: {
+            onClick: spy,
+          },
+        },
+      });
+      expect(spy).not.toHaveBeenCalled();
+      findButton().vm.$emit('click');
+      expect(spy).toHaveBeenCalled();
+    });
+    it('emits the "click" event', () => {
+      createComponentWithApollo();
+      jest.spyOn(wrapper.vm, '$emit');
+      expect(wrapper.vm.$emit).not.toHaveBeenCalled();
+      findButton().vm.$emit('click');
+      expect(wrapper.vm.$emit).toHaveBeenCalledWith('click');
+    });
+    it('triggers the mutation exposing the changed "selected" prop', () => {
+      const { id } = defaultBtn;
+      createComponentWithApollo({
+        propsData: {
+          button: {
+            id,
+          },
+        },
+      });
+      jest.spyOn(wrapper.vm.$apollo, 'mutate');
+      expect(wrapper.vm.$apollo.mutate).not.toHaveBeenCalled();
+      findButton().vm.$emit('click');
+      expect(wrapper.vm.$apollo.mutate).toHaveBeenCalledWith({
+        mutation: updateToolbarItemMutation,
+        variables: {
+          id,
+          propsToUpdate: {
+            selected: true,
+          },
+        },
+      });
+    });
+  });
+});
diff --git a/spec/frontend/editor/components/source_editor_toolbar_spec.js b/spec/frontend/editor/components/source_editor_toolbar_spec.js
new file mode 100644
index 00000000000..6e99eadbd97
--- /dev/null
+++ b/spec/frontend/editor/components/source_editor_toolbar_spec.js
@@ -0,0 +1,116 @@
+import Vue, { nextTick } from 'vue';
+import VueApollo from 'vue-apollo';
+import { GlButtonGroup } from '@gitlab/ui';
+import { shallowMount } from '@vue/test-utils';
+import createMockApollo from 'helpers/mock_apollo_helper';
+import SourceEditorToolbar from '~/editor/components/source_editor_toolbar.vue';
+import SourceEditorToolbarButton from '~/editor/components/source_editor_toolbar_button.vue';
+import { EDITOR_TOOLBAR_LEFT_GROUP, EDITOR_TOOLBAR_RIGHT_GROUP } from '~/editor/constants';
+import getToolbarItemsQuery from '~/editor/graphql/get_items.query.graphql';
+import { buildButton } from './helpers';
+
+Vue.use(VueApollo);
+
+describe('Source Editor Toolbar', () => {
+  let wrapper;
+  let mockApollo;
+
+  const findButtons = () => wrapper.findAllComponents(SourceEditorToolbarButton);
+
+  const createApolloMockWithCache = (items = []) => {
+    mockApollo = createMockApollo();
+    mockApollo.clients.defaultClient.cache.writeQuery({
+      query: getToolbarItemsQuery,
+      data: {
+        items: {
+          nodes: items,
+        },
+      },
+    });
+  };
+
+  const createComponentWithApollo = (items = []) => {
+    createApolloMockWithCache(items);
+    wrapper = shallowMount(SourceEditorToolbar, {
+      apolloProvider: mockApollo,
+      stubs: {
+        GlButtonGroup,
+      },
+    });
+  };
+
+  afterEach(() => {
+    wrapper.destroy();
+    mockApollo = null;
+  });
+
+  describe('groups', () => {
+    it.each`
+      group                         | expectedGroup
+      ${EDITOR_TOOLBAR_LEFT_GROUP}  | ${EDITOR_TOOLBAR_LEFT_GROUP}
+      ${EDITOR_TOOLBAR_RIGHT_GROUP} | ${EDITOR_TOOLBAR_RIGHT_GROUP}
+      ${undefined}                  | ${EDITOR_TOOLBAR_RIGHT_GROUP}
+      ${'non-existing'}             | ${EDITOR_TOOLBAR_RIGHT_GROUP}
+    `('puts item with group="$group" into $expectedGroup group', ({ group, expectedGroup }) => {
+      const item = buildButton('first', {
+        group,
+      });
+      createComponentWithApollo([item]);
+      expect(findButtons()).toHaveLength(1);
+      [EDITOR_TOOLBAR_RIGHT_GROUP, EDITOR_TOOLBAR_LEFT_GROUP].forEach((g) => {
+        if (g === expectedGroup) {
+          expect(wrapper.vm.getGroupItems(g)).toEqual([expect.objectContaining({ id: 'first' })]);
+        } else {
+          expect(wrapper.vm.getGroupItems(g)).toHaveLength(0);
+        }
+      });
+    });
+  });
+
+  describe('buttons update', () => {
+    it('it properly updates buttons on Apollo cache update', async () => {
+      const item = buildButton('first', {
+        group: EDITOR_TOOLBAR_RIGHT_GROUP,
+      });
+      createComponentWithApollo();
+
+      expect(findButtons()).toHaveLength(0);
+
+      mockApollo.clients.defaultClient.cache.writeQuery({
+        query: getToolbarItemsQuery,
+        data: {
+          items: {
+            nodes: [item],
+          },
+        },
+      });
+
+      jest.runOnlyPendingTimers();
+      await nextTick();
+
+      expect(findButtons()).toHaveLength(1);
+    });
+  });
+
+  describe('click handler', () => {
+    it('emits the "click" event when a button is clicked', () => {
+      const item1 = buildButton('first', {
+        group: EDITOR_TOOLBAR_LEFT_GROUP,
+      });
+      const item2 = buildButton('second', {
+        group: EDITOR_TOOLBAR_RIGHT_GROUP,
+      });
+      createComponentWithApollo([item1, item2]);
+      jest.spyOn(wrapper.vm, '$emit');
+      expect(wrapper.vm.$emit).not.toHaveBeenCalled();
+
+      findButtons().at(0).vm.$emit('click');
+      expect(wrapper.vm.$emit).toHaveBeenCalledWith('click', item1);
+
+      findButtons().at(1).vm.$emit('click');
+      expect(wrapper.vm.$emit).toHaveBeenCalledWith('click', item2);
+
+      expect(wrapper.vm.$emit.mock.calls).toHaveLength(2);
+    });
+  });
+});