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|
use std::fs;
use test_utils::{assert_eq_text, project_dir, read_text};
use crate::{
mock_analysis::{single_file, MockAnalysis},
FileRange, TextRange,
};
#[test]
fn test_highlighting() {
let (analysis, file_id) = single_file(
r#"
#[derive(Clone, Debug)]
struct Foo {
pub x: i32,
pub y: i32,
}
static mut STATIC_MUT: i32 = 0;
fn foo<'a, T>() -> T {
foo::<'a, i32>()
}
macro_rules! def_fn {
($($tt:tt)*) => {$($tt)*}
}
def_fn! {
fn bar() -> u32 {
100
}
}
// comment
fn main() {
println!("Hello, {}!", 92);
let mut vec = Vec::new();
if true {
let x = 92;
vec.push(Foo { x, y: 1 });
}
unsafe {
vec.set_len(0);
STATIC_MUT = 1;
}
for e in vec {
// Do nothing
}
let mut x = 42;
let y = &mut x;
let z = &y;
y;
}
enum Option<T> {
Some(T),
None,
}
use Option::*;
impl<T> Option<T> {
fn and<U>(self, other: Option<U>) -> Option<(T, U)> {
match other {
None => unimplemented!(),
Nope => Nope,
}
}
}
"#
.trim(),
);
let dst_file = project_dir().join("crates/ra_ide/src/snapshots/highlighting.html");
let actual_html = &analysis.highlight_as_html(file_id, false).unwrap();
let expected_html = &read_text(&dst_file);
fs::write(dst_file, &actual_html).unwrap();
assert_eq_text!(expected_html, actual_html);
}
#[test]
fn test_rainbow_highlighting() {
let (analysis, file_id) = single_file(
r#"
fn main() {
let hello = "hello";
let x = hello.to_string();
let y = hello.to_string();
let x = "other color please!";
let y = x.to_string();
}
fn bar() {
let mut hello = "hello";
}
"#
.trim(),
);
let dst_file = project_dir().join("crates/ra_ide/src/snapshots/rainbow_highlighting.html");
let actual_html = &analysis.highlight_as_html(file_id, true).unwrap();
let expected_html = &read_text(&dst_file);
fs::write(dst_file, &actual_html).unwrap();
assert_eq_text!(expected_html, actual_html);
}
#[test]
fn accidentally_quadratic() {
let file = project_dir().join("crates/ra_syntax/test_data/accidentally_quadratic");
let src = fs::read_to_string(file).unwrap();
let mut mock = MockAnalysis::new();
let file_id = mock.add_file("/main.rs", &src);
let host = mock.analysis_host();
// let t = std::time::Instant::now();
let _ = host.analysis().highlight(file_id).unwrap();
// eprintln!("elapsed: {:?}", t.elapsed());
}
#[test]
fn test_ranges() {
let (analysis, file_id) = single_file(
r#"
#[derive(Clone, Debug)]
struct Foo {
pub x: i32,
pub y: i32,
}"#,
);
// The "x"
let highlights = &analysis
.highlight_range(FileRange { file_id, range: TextRange::at(82.into(), 1.into()) })
.unwrap();
assert_eq!(&highlights[0].highlight.to_string(), "field.declaration");
}
#[test]
fn test_flattening() {
let (analysis, file_id) = single_file(
r##"
fn fixture(ra_fixture: &str) {}
fn main() {
fixture(r#"
trait Foo {
fn foo() {
println!("2 + 2 = {}", 4);
}
}"#
);
}"##
.trim(),
);
let dst_file = project_dir().join("crates/ra_ide/src/snapshots/highlight_injection.html");
let actual_html = &analysis.highlight_as_html(file_id, false).unwrap();
let expected_html = &read_text(&dst_file);
fs::write(dst_file, &actual_html).unwrap();
assert_eq_text!(expected_html, actual_html);
}
#[test]
fn ranges_sorted() {
let (analysis, file_id) = single_file(
r#"
#[foo(bar = "bar")]
macro_rules! test {}
}"#
.trim(),
);
let _ = analysis.highlight(file_id).unwrap();
}
#[test]
fn test_string_highlighting() {
// The format string detection is based on macro-expansion,
// thus, we have to copy the macro definition from `std`
let (analysis, file_id) = single_file(
r#"
macro_rules! println {
($($arg:tt)*) => ({
$crate::io::_print($crate::format_args_nl!($($arg)*));
})
}
#[rustc_builtin_macro]
macro_rules! format_args_nl {
($fmt:expr) => {{ /* compiler built-in */ }};
($fmt:expr, $($args:tt)*) => {{ /* compiler built-in */ }};
}
fn main() {
// from https://doc.rust-lang.org/std/fmt/index.html
println!("Hello"); // => "Hello"
println!("Hello, {}!", "world"); // => "Hello, world!"
println!("The number is {}", 1); // => "The number is 1"
println!("{:?}", (3, 4)); // => "(3, 4)"
println!("{value}", value=4); // => "4"
println!("{} {}", 1, 2); // => "1 2"
println!("{:04}", 42); // => "0042" with leading zerosV
println!("{1} {} {0} {}", 1, 2); // => "2 1 1 2"
println!("{argument}", argument = "test"); // => "test"
println!("{name} {}", 1, name = 2); // => "2 1"
println!("{a} {c} {b}", a="a", b='b', c=3); // => "a 3 b"
println!("Hello {:5}!", "x");
println!("Hello {:1$}!", "x", 5);
println!("Hello {1:0$}!", 5, "x");
println!("Hello {:width$}!", "x", width = 5);
println!("Hello {:<5}!", "x");
println!("Hello {:-<5}!", "x");
println!("Hello {:^5}!", "x");
println!("Hello {:>5}!", "x");
println!("Hello {:+}!", 5);
println!("{:#x}!", 27);
println!("Hello {:05}!", 5);
println!("Hello {:05}!", -5);
println!("{:#010x}!", 27);
println!("Hello {0} is {1:.5}", "x", 0.01);
println!("Hello {1} is {2:.0$}", 5, "x", 0.01);
println!("Hello {0} is {2:.1$}", "x", 5, 0.01);
println!("Hello {} is {:.*}", "x", 5, 0.01);
println!("Hello {} is {2:.*}", "x", 5, 0.01);
println!("Hello {} is {number:.prec$}", "x", prec = 5, number = 0.01);
println!("{}, `{name:.*}` has 3 fractional digits", "Hello", 3, name=1234.56);
println!("{}, `{name:.*}` has 3 characters", "Hello", 3, name="1234.56");
println!("{}, `{name:>8.*}` has 3 right-aligned characters", "Hello", 3, name="1234.56");
println!("Hello {{}}");
println!("{{ Hello");
println!(r"Hello, {}!", "world");
println!("{\x41}", A = 92);
println!("{ничоси}", ничоси = 92);
}"#
.trim(),
);
let dst_file = project_dir().join("crates/ra_ide/src/snapshots/highlight_strings.html");
let actual_html = &analysis.highlight_as_html(file_id, false).unwrap();
let expected_html = &read_text(&dst_file);
fs::write(dst_file, &actual_html).unwrap();
assert_eq_text!(expected_html, actual_html);
}
|