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import AxiosMockAdapter from 'axios-mock-adapter';
import { create } from '~/drawio/markdown_field_editor_facade';
import * as textMarkdown from '~/lib/utils/text_markdown';
import { HTTP_STATUS_OK } from '~/lib/utils/http_status';
import axios from '~/lib/utils/axios_utils';
jest.mock('~/lib/utils/text_markdown');
describe('drawio/textareaMarkdownEditor', () => {
let textArea;
let textareaMarkdownEditor;
let axiosMock;
const markdownPreviewPath = '/markdown/preview';
const imageURL = '/assets/image.png';
const diagramMarkdown = '';
const diagramSvg = '<svg></svg>';
const contentType = 'image/svg+xml';
const filename = 'image.png';
const newDiagramMarkdown = '';
const uploadsPath = '/uploads';
beforeEach(() => {
textArea = document.createElement('textarea');
textareaMarkdownEditor = create({ textArea, markdownPreviewPath, uploadsPath });
document.body.appendChild(textArea);
});
beforeEach(() => {
axiosMock = new AxiosMockAdapter(axios);
});
afterEach(() => {
axiosMock.restore();
textArea.remove();
});
describe('getDiagram', () => {
describe('when there is a selected diagram', () => {
beforeEach(() => {
textMarkdown.resolveSelectedImage.mockReturnValueOnce({
imageURL,
imageMarkdown: diagramMarkdown,
filename,
});
axiosMock
.onGet(imageURL)
.reply(HTTP_STATUS_OK, diagramSvg, { 'content-type': contentType });
});
it('returns diagram information', async () => {
const diagram = await textareaMarkdownEditor.getDiagram();
expect(textMarkdown.resolveSelectedImage).toHaveBeenCalledWith(
textArea,
markdownPreviewPath,
);
expect(diagram).toEqual({
diagramURL: imageURL,
diagramMarkdown,
filename,
diagramSvg,
contentType,
});
});
});
describe('when there is not a selected diagram', () => {
beforeEach(() => {
textMarkdown.resolveSelectedImage.mockReturnValueOnce(null);
});
it('returns null', async () => {
const diagram = await textareaMarkdownEditor.getDiagram();
expect(textMarkdown.resolveSelectedImage).toHaveBeenCalledWith(
textArea,
markdownPreviewPath,
);
expect(diagram).toBe(null);
});
});
});
describe('updateDiagram', () => {
beforeEach(() => {
jest.spyOn(textArea, 'focus');
jest.spyOn(textArea, 'dispatchEvent');
textArea.value = `diagram ${diagramMarkdown}`;
textareaMarkdownEditor.updateDiagram({
diagramMarkdown,
uploadResults: { link: { markdown: newDiagramMarkdown } },
});
});
it('focuses the textarea', () => {
expect(textArea.focus).toHaveBeenCalled();
});
it('replaces previous diagram markdown with new diagram markdown', () => {
expect(textArea.value).toBe(`diagram ${newDiagramMarkdown}`);
});
it('dispatches input event in the textarea', () => {
expect(textArea.dispatchEvent).toHaveBeenCalledWith(new Event('input'));
});
});
describe('insertDiagram', () => {
it('inserts markdown text and replaces any selected markdown in the textarea', () => {
textArea.value = `diagram ${diagramMarkdown}`;
textArea.setSelectionRange(0, 8);
textareaMarkdownEditor.insertDiagram({
uploadResults: { link: { markdown: newDiagramMarkdown } },
});
expect(textMarkdown.insertMarkdownText).toHaveBeenCalledWith({
textArea,
text: textArea.value,
tag: newDiagramMarkdown,
selected: textArea.value.substring(0, 8),
});
});
});
describe('uploadDiagram', () => {
it('sends a post request to the uploadsPath containing the diagram svg', async () => {
const link = { markdown: '' };
const blob = new Blob([diagramSvg], { type: 'image/svg+xml' });
const formData = new FormData();
formData.append('file', blob, filename);
axiosMock.onPost(uploadsPath, formData).reply(HTTP_STATUS_OK, {
link,
});
const response = await textareaMarkdownEditor.uploadDiagram({ diagramSvg, filename });
expect(response).toEqual({ link });
});
});
});
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