ratatui/tests/gauge.rs
2019-01-13 14:35:51 +00:00

42 lines
1.8 KiB
Rust

use tui::backend::TestBackend;
use tui::buffer::Buffer;
use tui::layout::{Constraint, Direction, Layout};
use tui::widgets::{Block, Borders, Gauge, Widget};
use tui::Terminal;
#[test]
fn gauge_render() {
let backend = TestBackend::new(40, 10);
let mut terminal = Terminal::new(backend).unwrap();
terminal
.draw(|mut f| {
let chunks = Layout::default()
.direction(Direction::Vertical)
.margin(2)
.constraints([Constraint::Percentage(50), Constraint::Percentage(50)].as_ref())
.split(f.size());
Gauge::default()
.block(Block::default().title("Percentage").borders(Borders::ALL))
.percent(43)
.render(&mut f, chunks[0]);
Gauge::default()
.block(Block::default().title("Ratio").borders(Borders::ALL))
.ratio(0.2113139343131)
.render(&mut f, chunks[1]);
})
.unwrap();
let expected = Buffer::with_lines(vec![
" ",
" ",
" ┌Percentage────────────────────────┐ ",
" │ 43% │ ",
" └──────────────────────────────────┘ ",
" ┌Ratio─────────────────────────────┐ ",
" │ 21% │ ",
" └──────────────────────────────────┘ ",
" ",
" ",
]);
assert_eq!(&expected, terminal.backend().buffer());
}