1 files changed, 58 insertions, 0 deletions
diff --git a/tests/test-transcription-duration.el b/tests/test-transcription-duration.el
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+++ b/tests/test-transcription-duration.el
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+;;; test-transcription-duration.el --- Tests for duration calculation -*- lexical-binding: t; -*-
+
+;;; Commentary:
+;; Tests for cj/--transcription-duration function
+;; Categories: Normal cases, Boundary cases
+
+;;; Code:
+
+(require 'ert)
+(require 'transcription-config)
+
+;; ----------------------------- Normal Cases ----------------------------------
+
+(ert-deftest test-cj/--transcription-duration-zero-seconds ()
+  "Test duration calculation for current time (should be 00:00)."
+  (let ((now (current-time)))
+    (should (string= (cj/--transcription-duration now) "00:00"))))
+
+(ert-deftest test-cj/--transcription-duration-30-seconds ()
+  "Test duration calculation for 30 seconds ago."
+  (let ((start-time (time-subtract (current-time) (seconds-to-time 30))))
+    (should (string= (cj/--transcription-duration start-time) "00:30"))))
+
+(ert-deftest test-cj/--transcription-duration-1-minute ()
+  "Test duration calculation for 1 minute ago."
+  (let ((start-time (time-subtract (current-time) (seconds-to-time 60))))
+    (should (string= (cj/--transcription-duration start-time) "01:00"))))
+
+(ert-deftest test-cj/--transcription-duration-2-minutes-30-seconds ()
+  "Test duration calculation for 2:30 ago."
+  (let ((start-time (time-subtract (current-time) (seconds-to-time 150))))
+    (should (string= (cj/--transcription-duration start-time) "02:30"))))
+
+(ert-deftest test-cj/--transcription-duration-10-minutes ()
+  "Test duration calculation for 10 minutes ago."
+  (let ((start-time (time-subtract (current-time) (seconds-to-time 600))))
+    (should (string= (cj/--transcription-duration start-time) "10:00"))))
+
+;; ----------------------------- Boundary Cases --------------------------------
+
+(ert-deftest test-cj/--transcription-duration-59-seconds ()
+  "Test duration just before 1 minute."
+  (let ((start-time (time-subtract (current-time) (seconds-to-time 59))))
+    (should (string= (cj/--transcription-duration start-time) "00:59"))))
+
+(ert-deftest test-cj/--transcription-duration-1-hour ()
+  "Test duration for 1 hour (60 minutes)."
+  (let ((start-time (time-subtract (current-time) (seconds-to-time 3600))))
+    (should (string= (cj/--transcription-duration start-time) "60:00"))))
+
+(ert-deftest test-cj/--transcription-duration-format ()
+  "Test that duration is always in MM:SS format with zero-padding."
+  (let ((start-time (time-subtract (current-time) (seconds-to-time 65))))
+    (let ((result (cj/--transcription-duration start-time)))
+      (should (string-match-p "^[0-9][0-9]:[0-9][0-9]$" result)))))
+
+(provide 'test-transcription-duration)
+;;; test-transcription-duration.el ends here