src/developer/ffx/lib/logging/src/test.rs

// Copyright 2025 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

use std::io::{Result, Write};

#[derive(Default, Debug)]
pub struct TestWriter {
    _p: (),
}

impl TestWriter {
    /// Returns a new `TestWriter` with the default configuration.
    pub fn new() -> Self {
        Self::default()
    }
}

impl Write for TestWriter {
    fn write(&mut self, buf: &[u8]) -> Result<usize> {
        let out_str = String::from_utf8_lossy(buf);
        print!("{}", out_str);
        Ok(buf.len())
    }

    fn flush(&mut self) -> Result<()> {
        Ok(())
    }
}