fix: should handle circular reference in error object correctly#728
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fix: should handle circular reference in error object correctly#728
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Pull request overview
This PR fixes a critical bug where error objects with circular references would cause serialization failures during test execution. The fix removes the problematic spread operator and JSON.stringify operations that couldn't handle circular references.
Key Changes
- Removed spread operator (
...error) that was copying all enumerable properties including circular references - Removed JSON.stringify logic for
actualandexpectedproperties that would throw on circular references - Explicitly set only the required
fullStackproperty instead of spreading the entire error object
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| packages/core/src/runtime/util.ts | Fixed error formatting to explicitly extract properties instead of spreading, preventing circular reference issues |
| e2e/test-api/fixtures/circularReference.test.ts | Added test fixture with circular reference between class instances to verify the fix |
| e2e/test-api/edgeCase.test.ts | Added E2E test case to ensure circular references in error objects are handled correctly |
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Summary
should handle circular reference in error object correctly.

before:
after:

Related Links
fix #726
Checklist