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joplin/packages/editor/CodeMirror/CodeMirrorControl.test.ts

61 lines
1.7 KiB
TypeScript

import { ViewPlugin } from '@codemirror/view';
import createEditorControl from './testUtil/createEditorControl';
describe('CodeMirrorControl', () => {
it('clearHistory should clear the undo/redo history', () => {
const controls = createEditorControl('');
const insertedText = 'Testing... This is a test...';
controls.insertText(insertedText);
const fullInsertedText = insertedText;
expect(controls.getValue()).toBe(fullInsertedText);
// Undo should work before clearing history
controls.undo();
expect(controls.getValue()).toBe('');
controls.redo();
controls.clearHistory();
expect(controls.getValue()).toBe(fullInsertedText);
// Should not be able to undo cleared changes
controls.undo();
expect(controls.getValue()).toBe(fullInsertedText);
// Should be able to undo new changes
controls.insertText('!!!');
expect(controls.getValue()).toBe(`${fullInsertedText}!!!`);
controls.undo();
expect(controls.getValue()).toBe(fullInsertedText);
});
it('should support adding CodeMirror 6 extensions', () => {
const control = createEditorControl('');
const updateFn = jest.fn();
control.addExtension([
ViewPlugin.fromClass(class {
public update = updateFn;
}),
]);
// Verify that the extension has been loaded
updateFn.mockReset();
control.insertText('Test...');
expect(updateFn).toHaveBeenCalled();
});
it('should support adding custom editor commands', () => {
const control = createEditorControl('');
const command = jest.fn(() => 'test');
control.registerCommand('myTestCommand', command);
expect(control.supportsCommand('myTestCommand')).toBe(true);
expect(control.execCommand('myTestCommand')).toBe('test');
expect(command).toHaveBeenCalledTimes(1);
});
});