tree-sitter/cli/src/tests/test_highlight_test.rs
2024-02-04 04:18:48 -05:00

59 lines
2.1 KiB
Rust

use super::helpers::fixtures::{get_highlight_config, get_language, test_loader};
use crate::query_testing::{parse_position_comments, Assertion};
use crate::test_highlight::get_highlight_positions;
use tree_sitter::{Parser, Point};
use tree_sitter_highlight::{Highlight, Highlighter};
#[test]
fn test_highlight_test_with_basic_test() {
let language = get_language("javascript");
let config = get_highlight_config(
"javascript",
Some("injections.scm"),
&[
"function".to_string(),
"variable".to_string(),
"keyword".to_string(),
],
);
let source = [
"// hi",
"var abc = function(d) {",
" // ^ function",
" // ^ keyword",
" return d + e;",
" // ^ variable",
" // ^ !variable",
"};",
]
.join("\n");
let assertions =
parse_position_comments(&mut Parser::new(), &language, source.as_bytes()).unwrap();
assert_eq!(
assertions,
&[
Assertion::new(1, 5, false, String::from("function")),
Assertion::new(1, 11, false, String::from("keyword")),
Assertion::new(4, 9, false, String::from("variable")),
Assertion::new(4, 11, true, String::from("variable")),
]
);
let mut highlighter = Highlighter::new();
let highlight_positions =
get_highlight_positions(test_loader(), &mut highlighter, &config, source.as_bytes())
.unwrap();
assert_eq!(
highlight_positions,
&[
(Point::new(1, 0), Point::new(1, 3), Highlight(2)), // "var"
(Point::new(1, 4), Point::new(1, 7), Highlight(0)), // "abc"
(Point::new(1, 10), Point::new(1, 18), Highlight(2)), // "function"
(Point::new(1, 19), Point::new(1, 20), Highlight(1)), // "d"
(Point::new(4, 2), Point::new(4, 8), Highlight(2)), // "return"
(Point::new(4, 9), Point::new(4, 10), Highlight(1)), // "d"
(Point::new(4, 13), Point::new(4, 14), Highlight(1)), // "e"
]
);
}