ConversionNotifications.build attaches one action, wired to
WorkManager.createCancelPendingIntent(id). Until now
createCancelPendingIntent had no references anywhere outside its own
declaration -- no JVM test, no instrumented test.
That is worth more than an ordinary uncovered line. A conversion runs in a
foreground service and the user is invited to leave the app; once they do,
this action is the only way to stop it. If the PendingIntent carries the
wrong id the button does nothing, the notification stays, and the job runs
to completion, with no error, no log and no screen to look at.
The obvious version of this test reads NotificationManager's active
notifications for id 1001 and taps what it finds. Rejected: the
instrumented suite grants no runtime permissions, so POST_NOTIFICATIONS is
denied throughout, and whether a suppressed foreground-service notification
is returned there is a platform detail that varies. The test would be
asserting something about notification visibility rather than about
cancellation. The PendingIntent is the subject and where it is read from is
incidental, so this builds the notification for a real live work id and
fires its action -- a real dispatch reaching real WorkManager, the same way
on every API level.
The job carries an initial delay so it stays ENQUEUED. A conversion of the
3 s fixture finishes in well under a second on an emulator, so racing a
cancel against a running job would be flaky in the direction that fails,
and cancelWorkById acts on ENQUEUED identically. What is under test is
whether firing the action reaches WorkManager with the right id.
Verified both ways on a local API 34 emulator: 61 tests, 0 failures, 3
skipped as written; and building the PendingIntent from a random UUID
instead of the request's id fails the new test and nothing else.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
JMR-devandClaude Opus 5
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