max / shop

1.6 KB · 59 lines History Blame Raw

1	//! Helpers the inline test modules share.
2	//!
3	//! Compiled only for tests, and deliberately without a test module of its own:
4	//! the mutation selector picks a file by the test attribute in it, and test
5	//! helpers are not something to mutate. The modules that use these carry the
6	//! attribute instead.
7
8	use crate::{Grid, Identity};
9	use shop_vt::Parser;
10
11	/// Feed `bytes` through a fresh Parser into `grid`.
12	pub(crate) fn feed(grid: &mut Grid, bytes: &[u8]) {
13	let mut p = Parser::new();
14	p.advance(grid, bytes);
15	}
16
17	pub(crate) fn row_str(grid: &Grid, r: u16) -> String {
18	grid.row(r)
19	.iter()
20	.map(crate::Cell::c)
21	.collect::<String>()
22	.trim_end()
23	.to_string()
24	}
25
26	pub(crate) fn assert_cursor(grid: &Grid, row: u16, col: u16) {
27	let c = grid.cursor();
28	assert_eq!(
29	(c.row, c.col),
30	(row, col),
31	"cursor mismatch (wrap_next={})",
32	c.wrap_next
33	);
34	}
35
36	pub(crate) fn identified() -> Grid {
37	let mut g = Grid::new(80, 24);
38	g.set_identity(Identity {
39	name: "shop".into(),
40	version: "1.2.3".into(),
41	cell_px: (9, 20),
42	fg: [0xe6, 0xde, 0xd3],
43	bg: [0x25, 0x23, 0x1f],
44	});
45	g
46	}
47
48	pub(crate) fn reply_to(g: &mut Grid, bytes: &[u8]) -> String {
49	feed(g, bytes);
50	String::from_utf8(g.take_pending_replies()).unwrap()
51	}
52
53	/// Everything in scrollback, as text. The round-trip property is stated
54	/// over this rather than over rows, because the rows are exactly what a
55	/// rewrap is allowed to change.
56	pub(crate) fn history_text(g: &Grid) -> String {
57	g.text_range(0, g.history_len())
58	}
59