Vercel.AI.Testing

API reference

Test doubles for language models.

Classes

Type	Summary
MockEmbeddingModelV3	Embedding model v3 test double. Array-backed results are returned in order, starting at the first entry.
MockEmbeddingModelV4	Embedding model v4 test double. Array-backed results are returned in order, starting at the first entry.
MockEmbedOptions	Embedding values passed to a mock embedding model.
MockEmbedResult	Embedding result stored in a scripted list.
MockGenerateResult	Generate result stored in a scripted list.
MockLanguageModelCallOptions	Call options recorded by the mock language models.
MockLanguageModelV2	Language model v2 test double. Array-backed results are returned in order, starting at the first entry.
MockLanguageModelV3	Language model v3 test double. Array-backed results are returned in order, starting at the first entry.
MockLanguageModelV4	Language model v4 test double. Array-backed results are returned in order, starting at the first entry.
MockStreamChunk	One chunk of a mock language-model stream.
MockStreamResult	Stream result stored in a scripted list.
MockTextContent	Text content returned by a mock generate result.
TestLanguageModel	Language model that returns scripted generate and stream results.