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vitest-evals

SimpleHarnessResult

SimpleHarnessResult<TOutput> = OutputField<TOutput> & object

Lightweight result shape normalized by createHarness(...).

Type Declaration

Section titled “Type Declaration”

artifacts?

Section titled “artifacts?”

optional artifacts?: Record<string, unknown>

Raw artifact values to normalize and merge into the run.

errors?

Section titled “errors?”

optional errors?: unknown[]

Raw errors to normalize into the run.

messages?

Section titled “messages?”

optional messages?: NormalizedMessage[]

Pre-normalized transcript messages. When omitted, a default user/assistant transcript is created.

metadata?

Section titled “metadata?”

optional metadata?: Record<string, unknown>

Raw session metadata to normalize into the session.

timings?

Section titled “timings?”

optional timings?: TimingSummary

Timing summary to attach to the run.

toolCalls?

Section titled “toolCalls?”

optional toolCalls?: SimpleToolCallRecord[]

Lightweight tool-call records to normalize into the session.

usage?

Section titled “usage?”

optional usage?: UsageSummary

Usage summary to attach to the run.

Type Parameters

Section titled “Type Parameters”

TOutput

Section titled “TOutput”

TOutput extends JsonValue | undefined = JsonValue | undefined

Example

Section titled “Example”
const result: SimpleHarnessResult<{ status: "approved" }> = {
  output: { status: "approved" },
  toolCalls: [{ name: "lookupInvoice", arguments: { invoiceId: "inv_123" } }],
  usage: { totalTokens: 260 },
};