Files
llmx/codex-rs/tui/tests/suite/vt100_live_commit.rs
Jeremy Rose 578ff09e17 prefer ratatui Stylized for constructing lines/spans (#3068)
no functional change, just simplifying ratatui styling and adding
guidance in AGENTS.md for future.
2025-09-02 23:19:54 +00:00

96 lines
3.1 KiB
Rust

#![cfg(feature = "vt100-tests")]
use ratatui::backend::TestBackend;
use ratatui::layout::Rect;
use ratatui::text::Line;
#[test]
fn live_001_commit_on_overflow() {
let backend = TestBackend::new(20, 6);
let mut term = match codex_tui::custom_terminal::Terminal::with_options(backend) {
Ok(t) => t,
Err(e) => panic!("failed to construct terminal: {e}"),
};
let area = Rect::new(0, 5, 20, 1);
term.set_viewport_area(area);
// Build 5 explicit rows at width 20.
let mut rb = codex_tui::live_wrap::RowBuilder::new(20);
rb.push_fragment("one\n");
rb.push_fragment("two\n");
rb.push_fragment("three\n");
rb.push_fragment("four\n");
rb.push_fragment("five\n");
// Keep the last 3 in the live ring; commit the first 2.
let commit_rows = rb.drain_commit_ready(3);
let lines: Vec<Line<'static>> = commit_rows.into_iter().map(|r| r.text.into()).collect();
let mut buf: Vec<u8> = Vec::new();
codex_tui::insert_history::insert_history_lines_to_writer(&mut term, &mut buf, lines);
let mut parser = vt100::Parser::new(6, 20, 0);
parser.process(&buf);
let screen = parser.screen();
// The words "one" and "two" should appear above the viewport.
let mut joined = String::new();
for row in 0..6 {
for col in 0..20 {
if let Some(cell) = screen.cell(row, col) {
if let Some(ch) = cell.contents().chars().next() {
joined.push(ch);
} else {
joined.push(' ');
}
}
}
joined.push('\n');
}
assert!(
joined.contains("one"),
"expected committed 'one' to be visible\n{joined}"
);
assert!(
joined.contains("two"),
"expected committed 'two' to be visible\n{joined}"
);
// The last three (three,four,five) remain in the live ring, not committed here.
}
#[test]
fn live_002_pre_scroll_and_commit() {
let backend = TestBackend::new(20, 6);
let mut term = match codex_tui::custom_terminal::Terminal::with_options(backend) {
Ok(t) => t,
Err(e) => panic!("failed to construct terminal: {e}"),
};
// Viewport not at bottom: y=3
let area = Rect::new(0, 3, 20, 1);
term.set_viewport_area(area);
let mut rb = codex_tui::live_wrap::RowBuilder::new(20);
rb.push_fragment("alpha\n");
rb.push_fragment("beta\n");
rb.push_fragment("gamma\n");
rb.push_fragment("delta\n");
// Keep 3, commit 1.
let commit_rows = rb.drain_commit_ready(3);
let lines: Vec<Line<'static>> = commit_rows.into_iter().map(|r| r.text.into()).collect();
let mut buf: Vec<u8> = Vec::new();
codex_tui::insert_history::insert_history_lines_to_writer(&mut term, &mut buf, lines);
let s = String::from_utf8_lossy(&buf);
// Expect a SetScrollRegion to [area.top()+1 .. screen_height] and a cursor move to top of that region.
assert!(
s.contains("\u{1b}[4;6r"),
"expected pre-scroll region 4..6, got: {s:?}"
);
assert!(
s.contains("\u{1b}[4;1H"),
"expected cursor CUP 4;1H, got: {s:?}"
);
}