6340acd885
Wait for newlines, then render markdown on a line by line basis. Word wrap it for the current terminal size and then spit it out line by line into the UI. Also adds tests and fixes some UI regressions.
78 lines
2.1 KiB
Rust
78 lines
2.1 KiB
Rust
#![cfg(feature = "vt100-tests")]
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use ratatui::backend::TestBackend;
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use ratatui::layout::Rect;
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use ratatui::text::Line;
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fn term(viewport: Rect) -> codex_tui::custom_terminal::Terminal<TestBackend> {
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let backend = TestBackend::new(20, 6);
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let mut term = codex_tui::custom_terminal::Terminal::with_options(backend)
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.unwrap_or_else(|e| panic!("failed to construct terminal: {e}"));
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term.set_viewport_area(viewport);
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term
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}
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#[test]
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fn stream_commit_trickle_no_duplication() {
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// Viewport is the last row (height=1 at y=5)
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let area = Rect::new(0, 5, 20, 1);
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let mut t = term(area);
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// Step 1: commit first row
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let mut out1 = Vec::new();
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codex_tui::insert_history::insert_history_lines_to_writer(
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&mut t,
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&mut out1,
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vec![Line::from("one")],
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);
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// Step 2: later commit next row
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let mut out2 = Vec::new();
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codex_tui::insert_history::insert_history_lines_to_writer(
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&mut t,
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&mut out2,
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vec![Line::from("two")],
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);
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let combined = [out1, out2].concat();
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let s = String::from_utf8_lossy(&combined);
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assert_eq!(
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s.matches("one").count(),
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1,
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"history line duplicated: {s:?}"
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);
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assert_eq!(
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s.matches("two").count(),
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1,
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"history line duplicated: {s:?}"
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);
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assert!(
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!s.contains("three"),
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"live-only content leaked into history: {s:?}"
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);
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}
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#[test]
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fn live_ring_rows_not_inserted_into_history() {
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let area = Rect::new(0, 5, 20, 1);
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let mut t = term(area);
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// Commit two rows to history.
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let mut buf = Vec::new();
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codex_tui::insert_history::insert_history_lines_to_writer(
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&mut t,
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&mut buf,
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vec![Line::from("one"), Line::from("two")],
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);
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// The live ring might display tail+head rows like ["two", "three"],
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// but only committed rows should be present in the history ANSI stream.
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let s = String::from_utf8_lossy(&buf);
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assert!(s.contains("one"));
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assert!(s.contains("two"));
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assert!(
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!s.contains("three"),
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"uncommitted live-ring content should not be inserted into history: {s:?}"
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);
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}
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