tester 0.5.1

A fork of Rust’s `test` crate that doesn’t require unstable language features.
Documentation 
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// Copyright 2012-2017 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

use super::*;

mod pretty;
mod json;
mod terse;

pub(crate) use self::pretty::PrettyFormatter;
pub(crate) use self::json::JsonFormatter;
pub(crate) use self::terse::TerseFormatter;

pub(crate) trait OutputFormatter {
    fn write_run_start(&mut self, test_count: usize) -> io::Result<()>;
    fn write_test_start(&mut self, desc: &TestDesc) -> io::Result<()>;
    fn write_timeout(&mut self, desc: &TestDesc) -> io::Result<()>;
    fn write_result(
        &mut self,
        desc: &TestDesc,
        result: &TestResult,
        stdout: &[u8],
    ) -> io::Result<()>;
    fn write_run_finish(&mut self, state: &ConsoleTestState) -> io::Result<bool>;
}