text stringlengths 0 59.1k |
|---|
} |
``` |
### Using Extra Metadata |
The `extra` field provides context without affecting scoring: |
```typescript |
{ |
input: "Summarize this article", |
expected: "Key points of the article...", |
extra: { |
articleLength: 500, |
domain: "technology", |
tags: ["ai", "machine-learning"], |
sourceUrl: "https://example.com/article", |
testPriority: "high" |
} |
} |
``` |
## Dataset Registration |
Register datasets for reuse across experiments: |
```typescript |
// register-datasets.ts |
import { registerExperimentDataset } from "@voltagent/evals"; |
import mathDatasetJson from "./.voltagent/datasets/math-problems.json"; |
import qaDatasetJson from "./data/qa-pairs.json"; |
// Register a JSON dataset |
registerExperimentDataset({ |
name: "math-problems", |
items: mathDatasetJson.data, |
}); |
// Register another JSON dataset |
registerExperimentDataset({ |
name: "qa-pairs", |
items: qaDatasetJson.data, |
}); |
// Register with VoltOps integration |
registerExperimentDataset({ |
name: "production-qa", |
descriptor: { |
id: "dataset_abc123", |
versionId: "version_xyz789", |
}, |
}); |
// Register with async data loader |
registerExperimentDataset({ |
name: "dynamic-dataset", |
resolver: async ({ limit, signal }) => { |
// Load data from API, database, etc. |
const response = await fetch("https://api.example.com/test-data", { signal }); |
const data = await response.json(); |
return { |
items: limit ? data.items.slice(0, limit) : data.items, |
total: data.total, |
}; |
}, |
}); |
``` |
## Advanced Dataset Features |
### Async Dataset Resolvers |
Load datasets dynamically with resolver functions: |
```typescript |
registerExperimentDataset({ |
name: "api-dataset", |
resolver: async ({ limit, signal }) => { |
// Parameters: |
// - limit: Maximum items requested |
// - signal: AbortSignal for cancellation |
const items = await loadFromDatabase(limit); |
return { |
items, // Array or AsyncIterable of items |
total: await getTotalCount(), // Optional total hint |
dataset: { |
// Optional metadata |
id: "db-dataset-1", |
name: "Database Dataset", |
metadata: { source: "postgres" }, |
}, |
}; |
}, |
}); |
``` |
<|endoftext|> |
# source: VoltAgent__voltagent/website/evaluation-docs/cli-reference.md type: docs |
--- |
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