Struct StringOutput 

pub struct StringOutput { /* private fields */ }

In-memory Output implementation for use in tests.

All output is appended to an internal String. Call StringOutput::log to retrieve the full captured output and assert on it.

use jt_consoleutils::output::{Output, StringOutput};

let mut out = StringOutput::new();
out.writeln("hello");
assert_eq!(out.log(), "hello\n");

Implementations

impl StringOutput

pub fn new() -> Self

Create a new, empty StringOutput.

pub fn log(&self) -> &str

Return the full captured output as a string slice.

Trait Implementations

impl Default for StringOutput

fn default() -> Self

Returns the “default value” for a type.

impl Output for StringOutput

fn writeln(&mut self, line: &str)

Write line followed by a newline. Suppressed in quiet mode.

fn write(&mut self, text: &str)

Write text without a trailing newline. Suppressed in quiet mode.

fn verbose(&mut self, f: Box<dyn FnOnce() -> String>)

Emit a lazily-evaluated message, only in verbose mode.

fn shell_command(&mut self, cmd: &str)

Echo a shell command about to be run (verbose mode only).

fn shell_line(&mut self, line: &str)

Echo a single line of output from a running shell command.

fn step_result( &mut self, label: &str, success: bool, elapsed_ms: u128, _viewport: &[String], )

Render the result of a completed step: a tick/cross, label, elapsed time, and (on failure) the last few lines of output from the viewport.

fn dry_run_shell(&mut self, cmd: &str)

Dry-run: announce a shell command that would be executed.

fn dry_run_write(&mut self, path: &str)

Dry-run: announce a file that would be written.

fn dry_run_delete(&mut self, path: &str)

Dry-run: announce a file or directory that would be deleted.

fn log(&mut self, mode: OutputMode, msg: &str)

Log a message in verbose mode without any extra ceremony.

fn log_exec(&mut self, mode: OutputMode, cmd: &Command)

Log a command about to be executed (verbose mode).