supabase / supabase-swift / 25375459036

Pull #988

github

test(storage): add API-level tests for download() and downloadData()

DownloadSessionDelegateTests verified individual delegate callbacks
but no test exercised the full StorageFileAPI → DownloadSessionDelegate
→ StorageDownloadTask wiring. The new suite covers:

- download() delivers a file on disk with the expected contents
- download() yields a .completed event with a valid URL
- download() on network failure yields .failed(.networkError)
- download() on network failure throws from .value
- downloadData() returns the file contents as Data

MockingURLProtocol is propagated to the download URLSession by
StorageClient.init, so Mocker intercepts download tasks too.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

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