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;;; run-coverage-file.el --- Undercover setup for per-file coverage runs -*- lexical-binding: t; -*-
;;; Commentary:
;; Loaded via `-l tests/run-coverage-file.el' by the Makefile's coverage
;; target before each test file runs. Ensures undercover is active and
;; configured to merge into the shared SimpleCov JSON report so coverage data
;; accumulates across all test-file invocations.
;;
;; Per-file isolation matches the project's `make test-unit' pattern:
;; each test file runs in its own Emacs process, so tests that work
;; under `make test' will also work under `make coverage'. See
;; docs/design/coverage.org for the rationale.
;;; Code:
(require 'package)
(setq package-user-dir (expand-file-name "elpa" user-emacs-directory))
(package-initialize)
(unless (require 'undercover nil t)
(message "")
(message "ERROR: undercover not installed.")
(message "Start Emacs interactively to install it via use-package,")
(message "or run: emacs --batch --eval \"(progn (package-refresh-contents) (package-install 'undercover))\"")
(message "")
(kill-emacs 1))
;; Force coverage collection even when not in CI. Must happen AFTER
;; `(require 'undercover)' because undercover.el's top-level
;; `(setq undercover-force-coverage (getenv "UNDERCOVER_FORCE"))'
;; would otherwise overwrite our value.
(setq undercover-force-coverage t)
(undercover "modules/*.el"
"gptel-tools/*.el"
(:report-format 'simplecov)
(:report-file ".coverage/simplecov.json")
(:merge-report t)
(:send-report nil))
;;; run-coverage-file.el ends here
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