SandboxIntegrationTests

Whether the sandbox supports sync methods.

Whether the sandbox supports async methods.

Provide the sandbox backend under test.

Resets the shared test directory before yielding.

Yield a clean sandbox backend and tear it down after the class.

Write a new file and verify it can be read back via command execution.

Write a file and verify read() returns expected contents.

Edit a file and assert exactly one occurrence was replaced.

Create files and verify ls_info() lists them.

Create files and verify glob_info() returns expected matches.

Verify grep_raw() performs literal matching on special characters.

Upload one file and verify its contents on the sandbox.

Upload then download a file and verify bytes match.

Upload then download and verify bytes survive a roundtrip.

Uploading multiple files should preserve input order in responses.

Downloading multiple files should preserve input order in responses.

Upload and download binary bytes (0..255) without corruption.

Downloading a missing file should return error="file_not_found".

Downloading a directory should fail with a reasonable error code.

Downloading a chmod 000 file should fail with a reasonable error code.

Downloading a relative path should fail with error="invalid_path".

Uploading into a missing parent dir should error or roundtrip.

Some sandboxes auto-create parent directories; others return an error.

Uploading to a relative path should fail with error="invalid_path".