fine tune tests

web_src/js/features/comp/EditorMarkdown.test.ts

@@ -4,23 +4,36 @@ test('EditorMarkdown', () => {
  const textarea = document.createElement('textarea');
  initTextareaMarkdown(textarea);
 
- const testInput = (value, expected) => {
- textarea.value = value;
- textarea.setSelectionRange(value.length, value.length);
+ type ValueWithCursor = string | {
+ value: string;
+ pos: number;
+ }
+ const testInput = (input: ValueWithCursor, result: ValueWithCursor) => {
+ const intputValue = typeof input === 'string' ? input : input.value;
+ const inputPos = typeof input === 'string' ? intputValue.length : input.pos;
+ textarea.value = intputValue;
+ textarea.setSelectionRange(inputPos, inputPos);
+
  const e = new KeyboardEvent('keydown', {key: 'Enter', cancelable: true});
  textarea.dispatchEvent(e);
- if (!e.defaultPrevented) textarea.value += '\n';
- expect(textarea.value).toEqual(expected);
+ if (!e.defaultPrevented) textarea.value += '\n'; // simulate default behavior
+
+ const expectedValue = typeof result === 'string' ? result : result.value;
+ const expectedPos = typeof result === 'string' ? expectedValue.length : result.pos;
+ expect(textarea.value).toEqual(expectedValue);
+ expect(textarea.selectionStart).toEqual(expectedPos);
  };
 
  testInput('-', '-\n');
  testInput('1.', '1.\n');
 
  testInput('- ', '');
  testInput('1. ', '');
+ testInput({value: '1. \n2. ', pos: 3}, {value: '\n2. ', pos: 0});
 
  testInput('- x', '- x\n- ');
  testInput('1. foo', '1. foo\n2. ');
+ testInput({value: '1. a\n2. b\n3. c', pos: 4}, {value: '1. a\n2. \n2. b\n3. c', pos: 8});
  testInput('- [ ]', '- [ ]\n- ');
  testInput('- [ ] foo', '- [ ] foo\n- [ ] ');
  testInput('* [x] foo', '* [x] foo\n* [ ] ');