Allow markdown in error embeddable (elastic#62427) (elastic#62584)

* Allow markdown in error embeddable

* Replace markdown factory with markdown component

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>

src/plugins/embeddable/public/lib/embeddables/error_embeddable.test.tsx

@@ -0,0 +1,61 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+import React from 'react';
+import { ErrorEmbeddable } from './error_embeddable';
+import { EmbeddableRoot } from './embeddable_root';
+import { mount } from 'enzyme';
+// @ts-ignore
+import { findTestSubject } from '@elastic/eui/lib/test';
+
+test('ErrorEmbeddable renders an embeddable', async () => {
+  const embeddable = new ErrorEmbeddable('some error occurred', { id: '123', title: 'Error' });
+  const component = mount(<EmbeddableRoot embeddable={embeddable} />);
+  expect(
+    component.getDOMNode().querySelectorAll('[data-test-subj="embeddableStackError"]').length
+  ).toBe(1);
+  expect(
+    component.getDOMNode().querySelectorAll('[data-test-subj="errorMessageMarkdown"]').length
+  ).toBe(1);
+  expect(
+    component
+      .getDOMNode()
+      .querySelectorAll('[data-test-subj="errorMessageMarkdown"]')[0]
+      .innerHTML.includes('some error occurred')
+  ).toBe(true);
+});
+
+test('ErrorEmbeddable renders an embeddable with markdown message', async () => {
+  const error = '[some link](http://localhost:5601/takeMeThere)';
+  const embeddable = new ErrorEmbeddable(error, { id: '123', title: 'Error' });
+  const component = mount(<EmbeddableRoot embeddable={embeddable} />);
+  expect(
+    component.getDOMNode().querySelectorAll('[data-test-subj="embeddableStackError"]').length
+  ).toBe(1);
+  expect(
+    component.getDOMNode().querySelectorAll('[data-test-subj="errorMessageMarkdown"]').length
+  ).toBe(1);
+  expect(
+    component
+      .getDOMNode()
+      .querySelectorAll('[data-test-subj="errorMessageMarkdown"]')[0]
+      .innerHTML.includes(
+        '<a href="http://localhost:5601/takeMeThere" target="_blank" rel="noopener noreferrer">some link</a>'
+      )
+  ).toBe(true);
+});

src/plugins/embeddable/public/lib/embeddables/error_embeddable.tsx

@@ -20,6 +20,7 @@
 import { EuiText, EuiIcon, EuiSpacer } from '@elastic/eui';
 import React from 'react';
 import ReactDOM from 'react-dom';
+import { Markdown } from '../../../../kibana_react/public';
 import { Embeddable } from './embeddable';
 import { EmbeddableInput, EmbeddableOutput, IEmbeddable } from './i_embeddable';
 import { IContainer } from '../containers';
@@ -53,7 +54,11 @@ export class ErrorEmbeddable extends Embeddable<EmbeddableInput, EmbeddableOutpu
         <EuiText color="subdued" size="xs">
           <EuiIcon type="alert" color="danger" />
           <EuiSpacer size="s" />
-          {title}
+          <Markdown
+            markdown={title}
+            openLinksInNewTab={true}
+            data-test-subj="errorMessageMarkdown"
+          />
         </EuiText>
       </div>,
       dom