Merge branch '328641-insert-images/image-node-view-wrapper' into 'master'

Image node view wrapper component

See merge request gitlab-org/gitlab!65765

app/assets/javascripts/content_editor/components/wrappers/image.vue

+<script>
+import { GlLoadingIcon } from '@gitlab/ui';
+import { NodeViewWrapper } from '@tiptap/vue-2';
+
+export default {
+  name: 'ImageWrapper',
+  components: {
+    NodeViewWrapper,
+    GlLoadingIcon,
+  },
+  props: {
+    node: {
+      type: Object,
+      required: true,
+    },
+  },
+};
+</script>
+<template>
+  <node-view-wrapper class="gl-display-inline-block">
+    <span class="gl-relative">
+      <img
+        data-testid="image"
+        class="gl-max-w-full gl-h-auto"
+        :class="{ 'gl-opacity-5': node.attrs.uploading }"
+        :src="node.attrs.src"
+      />
+      <gl-loading-icon v-if="node.attrs.uploading" class="gl-absolute gl-left-50p gl-top-half" />
+    </span>
+  </node-view-wrapper>
+</template>

spec/frontend/content_editor/components/wrappers/image_spec.js

+import { GlLoadingIcon } from '@gitlab/ui';
+import { NodeViewWrapper } from '@tiptap/vue-2';
+import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
+import ImageWrapper from '~/content_editor/components/wrappers/image.vue';
+
+describe('content/components/wrappers/image', () => {
+  let wrapper;
+
+  const createWrapper = async (nodeAttrs = {}) => {
+    wrapper = shallowMountExtended(ImageWrapper, {
+      propsData: {
+        node: {
+          attrs: nodeAttrs,
+        },
+      },
+    });
+  };
+  const findImage = () => wrapper.findByTestId('image');
+  const findLoadingIcon = () => wrapper.findComponent(GlLoadingIcon);
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  it('renders a node-view-wrapper with display-inline-block class', () => {
+    createWrapper();
+
+    expect(wrapper.findComponent(NodeViewWrapper).classes()).toContain('gl-display-inline-block');
+  });
+
+  it('renders an image that displays the node src', () => {
+    const src = 'foobar.png';
+
+    createWrapper({ src });
+
+    expect(findImage().attributes().src).toBe(src);
+  });
+
+  describe('when uploading', () => {
+    beforeEach(() => {
+      createWrapper({ uploading: true });
+    });
+
+    it('renders a gl-loading-icon component', () => {
+      expect(findLoadingIcon().exists()).toBe(true);
+    });
+
+    it('adds gl-opacity-5 class selector to image', () => {
+      expect(findImage().classes()).toContain('gl-opacity-5');
+    });
+  });
+
+  describe('when not uploading', () => {
+    beforeEach(() => {
+      createWrapper({ uploading: false });
+    });
+
+    it('does not render a gl-loading-icon component', () => {
+      expect(findLoadingIcon().exists()).toBe(false);
+    });
+
+    it('does not add gl-opacity-5 class selector to image', () => {
+      expect(findImage().classes()).not.toContain('gl-opacity-5');
+    });
+  });
+});