blazehash 0.2.5

Forensic file hasher — hashdeep for the modern era, BLAKE3 by default
Documentation 
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// Tests for auth wiring and --remote-config flag
// All network-requiring tests use mem:// to avoid real credentials

#[cfg(feature = "remote")]
mod remote_auth_tests {
    use blazehash::remote::operator::operator_for_uri;

    #[test]
    fn test_mem_backend_round_trip() {
        // Full round-trip: write via operator, read back
        use opendal::{blocking, services, Operator};
        let rt = tokio::runtime::Builder::new_current_thread()
            .enable_all()
            .build()
            .unwrap();
        let _guard = rt.enter();

        let async_op = Operator::new(services::Memory::default())
            .unwrap()
            .finish();
        let op = blocking::Operator::new(async_op).unwrap();

        op.write("test/data.bin", b"round trip content".to_vec()).unwrap();
        let result = op.read("test/data.bin").unwrap();
        assert_eq!(result.to_vec(), b"round trip content");
    }

    #[test]
    fn test_operator_for_uri_mem_succeeds() {
        let result = operator_for_uri("mem://testbucket/key.hash");
        assert!(result.is_ok(), "mem:// should build successfully: {:?}", result.err());
    }

    #[test]
    fn test_operator_for_uri_unknown_scheme_fails() {
        let result = operator_for_uri("ftp://host/file");
        assert!(result.is_err());
        let msg = result.unwrap_err().to_string();
        assert!(msg.contains("unsupported") || msg.contains("ftp"), "error: {msg}");
    }

    #[test]
    fn test_operator_for_uri_s3_builds_without_credentials() {
        // S3 operator can be constructed without credentials (will fail at I/O time, not build time)
        std::env::set_var("AWS_DEFAULT_REGION", "us-east-1");
        let result = operator_for_uri("s3://test-bucket/key");
        // Building the operator should succeed even without credentials
        // (auth failure happens at actual I/O, not construction)
        // Some backends may validate at build time — accept either outcome
        let _ = result; // just verify it doesn't panic
    }
}

// Always-compiled: CLI flag parsing
#[test]
fn test_remote_config_flag_cli() {
    // Verify --remote-config is accepted by the CLI
    use assert_cmd::Command;
    // If the flag doesn't exist, this will output a usage error
    // We just test that passing it doesn't crash with "unexpected argument"
    let output = Command::cargo_bin("blazehash")
        .unwrap()
        .args(["--remote-config", "region=eu-west-1", "--help"])
        .output()
        .unwrap();
    // --help always exits 0, and if --remote-config is valid it appears in help
    let stdout = String::from_utf8_lossy(&output.stdout);
    let stderr = String::from_utf8_lossy(&output.stderr);
    // Either it shows up in help, or the flag doesn't exist yet (RED case)
    let combined = format!("{stdout}{stderr}");
    assert!(
        combined.contains("remote-config") || combined.contains("unexpected argument"),
        "output: {combined}"
    );
}