Extend Test Cases

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What is Extend?

Extend adds more test cases to a dataset that Galtea generated. It re-runs the same generator that created the dataset and appends the new cases to it. The test cases it already has are kept. This is the right way to grow a generated dataset — for example an onboarding dataset that started with only a few cases. The new cases are produced the same way the original ones were, so they stay consistent with the dataset’s purpose.

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Extend vs. Data Augmentation

Both add more cases to a dataset, but they work differently:

• Extend re-runs the dataset’s original generator (for Behavior, Security & Safety, or Accuracy). It is available only for datasets Galtea generated.
• Data Augmentation creates new cases by learning from the dataset’s existing cases. It works on any dataset that has cases, including ones you uploaded.

In the dashboard you will see one button or the other, depending on the dataset: Extend Test Cases for a generated dataset, Augment Test Cases for a dataset that cannot be extended (for example one you uploaded from a file).

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When Extend is available

A dataset can be extended when Galtea generated it and it still has the input its generator needs:

• Behavior datasets need a scenario style (strategy).
• Security & Safety datasets need at least one threat (variant).
• Accuracy datasets need the ground-truth document they were generated from.

Uploaded datasets cannot be extended, because there is no generator behind them — use Data Augmentation for those.

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How to Use Extend

You can extend a generated dataset directly from the Galtea dashboard:

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