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-rw-r--r--modules/transcription-config.el24
-rw-r--r--tests/test-transcription-process-environment.el94
2 files changed, 109 insertions, 9 deletions
diff --git a/modules/transcription-config.el b/modules/transcription-config.el
index 2adbaa4d..69111a11 100644
--- a/modules/transcription-config.el
+++ b/modules/transcription-config.el
@@ -118,6 +118,20 @@ Returns the password string, or nil if no matching entry exists."
(funcall secret)
secret)))
+(defun cj/--build-process-environment (backend)
+ "Return `process-environment' augmented with BACKEND's API-key env var.
+If BACKEND needs no API key (no :auth-host in its descriptor), return
+`process-environment' unchanged. Signals `user-error' if BACKEND requires
+a key but none is found in authinfo.gpg."
+ (let* ((desc (cj/--backend-plist backend))
+ (auth-host (plist-get desc :auth-host))
+ (env-var (plist-get desc :env-var)))
+ (if (and auth-host env-var)
+ (if-let ((api-key (cj/--auth-source-password auth-host)))
+ (cons (format "%s=%s" env-var api-key) process-environment)
+ (user-error "API key not found in authinfo.gpg for host %s" auth-host))
+ process-environment)))
+
;; ---------------------------- Process Management -----------------------------
(defun cj/--notify (title message &optional urgency)
@@ -158,15 +172,7 @@ Returns the process object."
(format "Script: %s\n\n" script)))
;; Start process with environment
- (let* ((process-environment
- (let* ((desc (cj/--backend-plist cj/transcribe-backend))
- (auth-host (plist-get desc :auth-host))
- (env-var (plist-get desc :env-var)))
- (if (and auth-host env-var)
- (if-let ((api-key (cj/--auth-source-password auth-host)))
- (cons (format "%s=%s" env-var api-key) process-environment)
- (user-error "API key not found in authinfo.gpg for host %s" auth-host))
- process-environment)))
+ (let* ((process-environment (cj/--build-process-environment cj/transcribe-backend))
(process (make-process
:name process-name
:buffer (get-buffer-create buffer-name)
diff --git a/tests/test-transcription-process-environment.el b/tests/test-transcription-process-environment.el
new file mode 100644
index 00000000..95f26e13
--- /dev/null
+++ b/tests/test-transcription-process-environment.el
@@ -0,0 +1,94 @@
+;;; test-transcription-process-environment.el --- Tests for env-var assembly -*- lexical-binding: t; -*-
+
+;;; Commentary:
+;; Tests for `cj/--build-process-environment', which returns a
+;; `process-environment'-compatible list augmented with the API-key env
+;; var for the active backend (or unchanged for local backends).
+
+;;; Code:
+
+(require 'ert)
+(require 'cl-lib)
+
+(defvar cj/custom-keymap (make-sparse-keymap))
+
+(unless (fboundp 'notifications-notify)
+ (defun notifications-notify (&rest _args) nil))
+
+(require 'transcription-config)
+
+(defmacro test-env-with-api-key (key-value &rest body)
+ "Run BODY with `cj/--auth-source-password' returning KEY-VALUE."
+ (declare (indent 1))
+ `(cl-letf (((symbol-function 'cj/--auth-source-password)
+ (lambda (&rest _) ,key-value)))
+ ,@body))
+
+;;; Normal Cases
+
+(ert-deftest test-build-env-normal-openai-prepends-key-var ()
+ "openai-api backend prepends OPENAI_API_KEY=<key>."
+ (test-env-with-api-key "sk-abc"
+ (let ((process-environment '("PATH=/usr/bin")))
+ (let ((result (cj/--build-process-environment 'openai-api)))
+ (should (equal "OPENAI_API_KEY=sk-abc" (car result)))
+ (should (member "PATH=/usr/bin" result))))))
+
+(ert-deftest test-build-env-normal-assemblyai-prepends-key-var ()
+ "assemblyai backend prepends ASSEMBLYAI_API_KEY=<key>."
+ (test-env-with-api-key "aai-xyz"
+ (let ((process-environment '("PATH=/usr/bin")))
+ (let ((result (cj/--build-process-environment 'assemblyai)))
+ (should (equal "ASSEMBLYAI_API_KEY=aai-xyz" (car result)))
+ (should (member "PATH=/usr/bin" result))))))
+
+(ert-deftest test-build-env-normal-local-whisper-unchanged ()
+ "local-whisper has no API key; environment is returned unchanged."
+ (let ((process-environment '("PATH=/usr/bin" "HOME=/tmp")))
+ (let ((result (cj/--build-process-environment 'local-whisper)))
+ (should (equal '("PATH=/usr/bin" "HOME=/tmp") result)))))
+
+(ert-deftest test-build-env-normal-preserves-parent-environment ()
+ "Every entry in the parent `process-environment' remains present."
+ (test-env-with-api-key "k"
+ (let ((process-environment '("A=1" "B=2" "C=3")))
+ (let ((result (cj/--build-process-environment 'openai-api)))
+ (should (member "A=1" result))
+ (should (member "B=2" result))
+ (should (member "C=3" result))))))
+
+;;; Boundary Cases
+
+(ert-deftest test-build-env-boundary-empty-parent-env ()
+ "Empty parent `process-environment' yields a list with just the API-key var."
+ (test-env-with-api-key "k"
+ (let ((process-environment '()))
+ (let ((result (cj/--build-process-environment 'openai-api)))
+ (should (equal '("OPENAI_API_KEY=k") result))))))
+
+(ert-deftest test-build-env-boundary-does-not-mutate-input ()
+ "Parent `process-environment' is not destructively modified."
+ (test-env-with-api-key "k"
+ (let* ((parent '("PATH=/usr/bin"))
+ (process-environment parent))
+ (cj/--build-process-environment 'openai-api)
+ (should (equal '("PATH=/usr/bin") parent)))))
+
+;;; Error Cases
+
+(ert-deftest test-build-env-error-openai-missing-key ()
+ "openai-api with no key configured signals user-error."
+ (test-env-with-api-key nil
+ (should-error (cj/--build-process-environment 'openai-api) :type 'user-error)))
+
+(ert-deftest test-build-env-error-assemblyai-missing-key ()
+ "assemblyai with no key configured signals user-error."
+ (test-env-with-api-key nil
+ (should-error (cj/--build-process-environment 'assemblyai) :type 'user-error)))
+
+(ert-deftest test-build-env-error-unknown-backend ()
+ "Unknown backend bubbles up user-error from cj/--backend-plist."
+ (should-error (cj/--build-process-environment 'nonexistent) :type 'user-error))
+
+(provide 'test-transcription-process-environment)
+;;; test-transcription-process-environment.el ends here