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Daniil Kornilov
Daniil Kornilov

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A Backup File Is Not a Restore Test

Your application exports a backup file. You can see it in Downloads, but have you tried using it to recover the data?

A file can be present and still be incomplete, outdated or incompatible with the version you need. A small restore test gives you a more useful answer than checking for the file alone.

Try one record

Imagine a local project planner that exports JSON. Add a clearly named test task, export the data and confirm the file was created. In a separate test copy or isolated environment, import the file and check that the task and its details are present.

Some imports replace the current project. Read the warning and use a safe test environment; do not overwrite your working data. If the export contains private information, handle the copy with the same care as the original.

Then record what you checked: the application version, the file used and the result. If the import fails or a field is missing, investigate before relying on that export for recovery.

Check again after changes

One successful test covers the file and version you tested. Repeat it after changes to the export format, import process or important data fields. For a service, use a suitable isolated test environment and check a real user flow after recovery.

What is the first thing you check after restoring a backup?

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