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use std::{mem::size_of, ptr};
// Reuse the generated C API; this test observer needs only terminal parsing and formatting.
#[allow(
dead_code,
non_camel_case_types,
non_snake_case,
non_upper_case_globals
)]
#[path = "../../src/ghostty/bindings.rs"]
mod ffi;
struct Screen {
terminal: ffi::GhosttyTerminal,
formatter: ffi::GhosttyFormatter,
}
impl Drop for Screen {
fn drop(&mut self) {
unsafe {
ffi::ghostty_formatter_free(self.formatter);
ffi::ghostty_terminal_free(self.terminal);
}
}
}
pub fn text(output: &[u8], cols: u16, rows: u16) -> String {
let mut screen = Screen {
terminal: ptr::null_mut(),
formatter: ptr::null_mut(),
};
let options = ffi::GhosttyFormatterTerminalOptions {
size: size_of::<ffi::GhosttyFormatterTerminalOptions>(),
emit: ffi::GhosttyFormatterFormat_GHOSTTY_FORMATTER_FORMAT_PLAIN,
trim: true,
extra: ffi::GhosttyFormatterTerminalExtra {
size: size_of::<ffi::GhosttyFormatterTerminalExtra>(),
screen: ffi::GhosttyFormatterScreenExtra {
size: size_of::<ffi::GhosttyFormatterScreenExtra>(),
..Default::default()
},
..Default::default()
},
..Default::default()
};
unsafe {
assert_eq!(
ffi::ghostty_terminal_new(ptr::null(), &mut screen.terminal, cols, rows),
ffi::GhosttyResult_GHOSTTY_SUCCESS
);
ffi::ghostty_terminal_vt_write(screen.terminal, output.as_ptr(), output.len());
assert_eq!(
ffi::ghostty_formatter_terminal_new(
ptr::null(),
&mut screen.formatter,
screen.terminal,
options,
),
ffi::GhosttyResult_GHOSTTY_SUCCESS
);
let mut len = 0;
let result =
ffi::ghostty_formatter_format_buf(screen.formatter, ptr::null_mut(), 0, &mut len);
assert!(matches!(
result,
ffi::GhosttyResult_GHOSTTY_SUCCESS | ffi::GhosttyResult_GHOSTTY_OUT_OF_SPACE
));
let mut bytes = vec![0; len];
assert_eq!(
ffi::ghostty_formatter_format_buf(
screen.formatter,
bytes.as_mut_ptr(),
bytes.len(),
&mut len
),
ffi::GhosttyResult_GHOSTTY_SUCCESS
);
String::from_utf8_lossy(&bytes[..len]).into_owned()
}
}
#[test]
fn screen_text_reconstructs_partial_redraws() {
let output = b"REMOTE_SURVIVED\x1b[1;8HSTILL_SELECTED";
assert!(!output
.windows(b"REMOTE_STILL_SELECTED".len())
.any(|part| part == b"REMOTE_STILL_SELECTED"));
assert!(text(output, 80, 24).contains("REMOTE_STILL_SELECTED"));
}
|
