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extern crate libeditor;
extern crate itertools;
use std::fmt;
use itertools::Itertools;
use libeditor::{File, highlight, runnables, extend_selection, TextRange, file_symbols};
#[test]
fn test_extend_selection() {
let file = file(r#"fn foo() {
1 + 1
}
"#);
let range = TextRange::offset_len(18.into(), 0.into());
let range = extend_selection(&file, range).unwrap();
assert_eq!(range, TextRange::from_to(17.into(), 18.into()));
let range = extend_selection(&file, range).unwrap();
assert_eq!(range, TextRange::from_to(15.into(), 20.into()));
}
#[test]
fn test_highlighting() {
let file = file(r#"
// comment
fn main() {}
println!("Hello, {}!", 92);
"#);
let hls = highlight(&file);
dbg_eq(
&hls,
r#"[HighlightedRange { range: [1; 11), tag: "comment" },
HighlightedRange { range: [12; 14), tag: "keyword" },
HighlightedRange { range: [15; 19), tag: "function" },
HighlightedRange { range: [29; 36), tag: "text" },
HighlightedRange { range: [38; 50), tag: "string" },
HighlightedRange { range: [52; 54), tag: "literal" }]"#
);
}
#[test]
fn test_runnables() {
let file = file(r#"
fn main() {}
#[test]
fn test_foo() {}
#[test]
#[ignore]
fn test_foo() {}
"#);
let runnables = runnables(&file);
dbg_eq(
&runnables,
r#"[Runnable { range: [1; 13), kind: Bin },
Runnable { range: [15; 39), kind: Test { name: "test_foo" } },
Runnable { range: [41; 75), kind: Test { name: "test_foo" } }]"#,
)
}
#[test]
fn symbols() {
let file = file(r#"
struct Foo {
x: i32
}
mod m {
fn bar() {}
}
enum E { X, Y(i32) }
"#);
let symbols = file_symbols(&file);
dbg_eq(
&symbols,
r#"[FileSymbol { parent: None, name: "Foo", name_range: [8; 11), node_range: [1; 26), kind: STRUCT },
FileSymbol { parent: None, name: "m", name_range: [32; 33), node_range: [28; 53), kind: MODULE },
FileSymbol { parent: Some(1), name: "bar", name_range: [43; 46), node_range: [40; 51), kind: FUNCTION },
FileSymbol { parent: None, name: "E", name_range: [60; 61), node_range: [55; 75), kind: ENUM }]"#,
)
}
fn file(text: &str) -> File {
File::parse(text)
}
fn dbg_eq(actual: &impl fmt::Debug, expected: &str) {
let actual = format!("{:?}", actual);
let expected = expected.lines().map(|l| l.trim()).join(" ");
assert_eq!(actual, expected);
}
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