sadpandajoe commented on code in PR #36149:
URL: https://github.com/apache/superset/pull/36149#discussion_r2539765590
##########
superset-frontend/plugins/plugin-chart-table/test/TableChart.test.tsx:
##########
@@ -632,24 +632,41 @@ describe('plugin-chart-table', () => {
// IDs should only contain valid characters: alphanumeric,
underscore, hyphen
expect(header.id).toMatch(/^header-[a-zA-Z0-9_-]+$/);
});
+ });
- // CRITICAL: Verify ALL cells reference valid headers (no broken ARIA)
+ test('should validate ARIA references for time-comparison table cells',
() => {
+ // Test that ALL cells with aria-labelledby have valid references
+ // This is critical for screen reader accessibility
+ const props = transformProps(testData.comparison);
+
+ const { container } = render(<TableChart {...props} sticky={false} />);
+
+ const allCells = container.querySelectorAll('tbody td');
const cellsWithLabels = container.querySelectorAll(
- 'td[aria-labelledby]',
+ 'tbody td[aria-labelledby]',
);
+
+ // First assertion: Table must render data cells (catch empty table
regression)
+ expect(allCells.length).toBeGreaterThan(0);
+
+ // Second assertion: ALL data cells must have aria-labelledby (no
unlabeled cells)
+ expect(cellsWithLabels.length).toBe(allCells.length);
+
+ // Third assertion: ALL aria-labelledby values should be valid
cellsWithLabels.forEach(cell => {
const labelledBy = cell.getAttribute('aria-labelledby');
- if (labelledBy) {
- // Check that the ID doesn't contain spaces (would be interpreted
as multiple IDs)
- expect(labelledBy).not.toMatch(/\s/);
- // Check that the ID doesn't contain special characters
- expect(labelledBy).not.toMatch(/[%#△]/);
- // Verify the referenced header actually exists
- const referencedHeader = container.querySelector(
- `#${CSS.escape(labelledBy)}`,
- );
- expect(referencedHeader).toBeTruthy();
- }
+ expect(labelledBy).not.toBeNull();
+ expect(labelledBy).toEqual(expect.stringMatching(/\S/));
+ const labelledByValue = labelledBy as string;
+ // Check that the ID doesn't contain spaces (would be interpreted as
multiple IDs)
+ expect(labelledByValue).not.toMatch(/\s/);
+ // Check that the ID doesn't contain special characters
+ expect(labelledByValue).not.toMatch(/[%#△]/);
+ // Verify the referenced header actually exists
+ const referencedHeader = container.querySelector(
+ `#${CSS.escape(labelledByValue)}`,
+ );
+ expect(referencedHeader).toBeTruthy();
});
Review Comment:
fixed
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