Function test_empty_file

atomic-repository/tests/state_based_diff_test.rs:369–409

()

/// This test verifies that attempting to record an empty file fails as expected.
#[test]
fn test_empty_file() {
    let (repo, _temp, repo_path) = create_test_repo();

    // Create an empty file and add it to tracking
    let file_path = repo_path.join("empty.txt");
    fs::write(&file_path, "").expect("Failed to write empty file");
    repo.add("empty.txt", Default::default())
        .expect("Failed to add empty file");

    // With the default options (record_empty_files: true), recording an
    // empty file should succeed — the change captures the file's existence
    // even though it has no content bytes.
    let header = ChangeHeader::builder()
        .message("Add empty file")
        .author(Author::new("Test", Some("test@example.com")))
        .build();

    let result = repo.record(header, RecordOptions::default());
    assert!(
        result.is_ok(),
        "Recording empty file should succeed with record_empty_files=true (default)"
    );

    // With record_empty_files explicitly disabled, recording an empty file
    // should fail with NothingToRecord because there are no content changes.
    let file_path2 = repo_path.join("empty2.txt");
    fs::write(&file_path2, "").expect("Failed to write empty file");
    repo.add("empty2.txt", Default::default())
        .expect("Failed to add empty file");

    let header2 = ChangeHeader::builder()
        .message("Add another empty file")
        .author(Author::new("Test", Some("test@example.com")))
        .build();

    let result2 = repo.record(header2, RecordOptions::default().record_empty_files(false));
    assert!(
        result2.is_err(),
        "Recording empty file should fail with record_empty_files=false"
    );
}

#[test]
fn test_binary_content() {