Documentation
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Overview ¶
Package exportoverlay holds the higher-level integration tests for the ExportJob and ConvertJob overlay-embedding wiring (E9-S8).
The per-format adapter packages (io/arrow, io/parquet, io/excel, io/ndjson, io/csv) carry unit tests for their Writer.SetOverlays / Reader.ReadOverlays surface directly. This package sits one level up: it constructs full ExportJob / ConvertJob values with a Response-side Overlays slate, runs them through ExportJob.Run / ConvertJob.Run, and verifies the on-disk artefact round-trips via the matching per-format Reader.
The package is test-only (every .go file ends in _test.go); it lives in its own directory rather than the root io/ package because the root cannot import the format subpackages (import cycle — every format subpackage already imports io/ for the Writer interface definitions).
Source Files