ratatui/tests/widgets_canvas.rs
EdJoPaTo f97e07c08a
feat(frame): replace Frame::size() with Frame::area() (#1293)
Area is the more correct term for the result of this method.
The Frame::size() method is marked as deprecated and will be
removed around Ratatui version 0.30 or later.

Fixes: https://github.com/ratatui-org/ratatui/pull/1254#issuecomment-2268061409
2024-08-05 20:15:14 -07:00

42 lines
1.2 KiB
Rust

use ratatui::{
backend::TestBackend,
buffer::Buffer,
style::{Color, Style},
text::Span,
widgets::canvas::Canvas,
Terminal,
};
#[test]
fn widgets_canvas_draw_labels() {
let backend = TestBackend::new(5, 5);
let mut terminal = Terminal::new(backend).unwrap();
terminal
.draw(|f| {
let label = String::from("test");
let canvas = Canvas::default()
.background_color(Color::Yellow)
.x_bounds([0.0, 5.0])
.y_bounds([0.0, 5.0])
.paint(|ctx| {
ctx.print(
0.0,
0.0,
Span::styled(label.clone(), Style::default().fg(Color::Blue)),
);
});
f.render_widget(canvas, f.area());
})
.unwrap();
let mut expected = Buffer::with_lines(["", "", "", "", "test "]);
for row in 0..5 {
for col in 0..5 {
expected.get_mut(col, row).set_bg(Color::Yellow);
}
}
for col in 0..4 {
expected.get_mut(col, 4).set_fg(Color::Blue);
}
terminal.backend().assert_buffer(&expected);
}