T1308327 - DataGrid - Cell value is not restored after canceling changes in cell editing mode if repaintChangesOnly is enabled#32290
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dmirgaev merged 6 commits intoDevExpress:26_1from Feb 2, 2026
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Pull request overview
This PR adds a comprehensive integration test to verify the fix for T1308327, which addresses an issue where DataGrid cell values were not properly restored after canceling changes in cell editing mode when repaintChangesOnly is enabled. The test ensures that validation states are correctly reset along with the cell values.
Changes:
- Added new integration test for validating cell value restoration after cancel with validation errors
- Extended test model infrastructure to support interaction with revert buttons and cell editors
- Verified the fix works for multiple consecutive cell edits and cancellations
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| packages/devextreme/js/__internal/grids/grid_core/validating/tests/validating.integration.test.ts | New integration test file verifying cell value restoration when canceling edits with validation errors in repaintChangesOnly mode |
| packages/devextreme/js/__internal/grids/grid_core/tests/mock/model/grid_core.ts | Added getRevertButton() helper method to enable test interaction with validation revert buttons |
| packages/devextreme/js/__internal/grids/grid_core/tests/mock/model/cell/data_cell.ts | Added getEditor() helper method to retrieve and interact with cell editors in tests |
…he revert button get access to initial values via _getOldData()
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…ges in cell editing mode if repaintChangesOnly is enabled (DevExpress#32290) Co-authored-by: Danil Mirgaev <danil.mirgaev@devexpress.com>
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…ges in cell editing mode if repaintChangesOnly is enabled (DevExpress#32290)
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