116 lines
3.2 KiB
Rust
116 lines
3.2 KiB
Rust
use std::{
|
|
fmt::Write,
|
|
path::{Component, PathBuf},
|
|
};
|
|
|
|
use test_utils::{collect_tests, dir_tests, project_dir, read_text};
|
|
|
|
use crate::{fuzz, SourceFile};
|
|
|
|
#[test]
|
|
fn lexer_tests() {
|
|
dir_tests(&test_data_dir(), &["lexer"], |text, _| {
|
|
let tokens = crate::tokenize(text);
|
|
dump_tokens(&tokens, text)
|
|
})
|
|
}
|
|
|
|
#[test]
|
|
fn parse_smoke_test() {
|
|
let code = r##"
|
|
fn main() {
|
|
println!("Hello, world!")
|
|
}
|
|
"##;
|
|
|
|
let parse = SourceFile::parse(code);
|
|
assert!(parse.ok().is_ok());
|
|
}
|
|
|
|
#[test]
|
|
fn parser_tests() {
|
|
dir_tests(&test_data_dir(), &["parser/inline/ok", "parser/ok"], |text, path| {
|
|
let parse = SourceFile::parse(text);
|
|
let errors = parse.errors();
|
|
assert_eq!(
|
|
errors,
|
|
&[] as &[crate::SyntaxError],
|
|
"There should be no errors in the file {:?}",
|
|
path.display(),
|
|
);
|
|
parse.debug_dump()
|
|
});
|
|
dir_tests(&test_data_dir(), &["parser/err", "parser/inline/err"], |text, path| {
|
|
let parse = SourceFile::parse(text);
|
|
let errors = parse.errors();
|
|
assert!(!errors.is_empty(), "There should be errors in the file {:?}", path.display());
|
|
parse.debug_dump()
|
|
});
|
|
}
|
|
|
|
#[test]
|
|
fn parser_fuzz_tests() {
|
|
for (_, text) in collect_tests(&test_data_dir(), &["parser/fuzz-failures"]) {
|
|
fuzz::check_parser(&text)
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn reparse_fuzz_tests() {
|
|
for (_, text) in collect_tests(&test_data_dir(), &["reparse/fuzz-failures"]) {
|
|
let check = fuzz::CheckReparse::from_data(text.as_bytes()).unwrap();
|
|
println!("{:?}", check);
|
|
check.run();
|
|
}
|
|
}
|
|
|
|
/// Test that Rust-analyzer can parse and validate the rust-analyzer
|
|
/// FIXME: Use this as a benchmark
|
|
#[test]
|
|
fn self_hosting_parsing() {
|
|
use std::ffi::OsStr;
|
|
let dir = project_dir().join("crates");
|
|
let mut count = 0;
|
|
for entry in walkdir::WalkDir::new(dir)
|
|
.into_iter()
|
|
.filter_entry(|entry| {
|
|
!entry.path().components().any(|component| {
|
|
// Get all files which are not in the crates/ra_syntax/tests/data folder
|
|
component == Component::Normal(OsStr::new("test_data"))
|
|
})
|
|
})
|
|
.map(|e| e.unwrap())
|
|
.filter(|entry| {
|
|
// Get all `.rs ` files
|
|
!entry.path().is_dir() && (entry.path().extension() == Some(OsStr::new("rs")))
|
|
})
|
|
{
|
|
count += 1;
|
|
let text = read_text(entry.path());
|
|
if let Err(errors) = SourceFile::parse(&text).ok() {
|
|
panic!("Parsing errors:\n{:?}\n{}\n", errors, entry.path().display());
|
|
}
|
|
}
|
|
assert!(
|
|
count > 30,
|
|
"self_hosting_parsing found too few files - is it running in the right directory?"
|
|
)
|
|
}
|
|
|
|
fn test_data_dir() -> PathBuf {
|
|
project_dir().join("crates/ra_syntax/test_data")
|
|
}
|
|
|
|
fn dump_tokens(tokens: &[crate::Token], text: &str) -> String {
|
|
let mut acc = String::new();
|
|
let mut offset = 0;
|
|
for token in tokens {
|
|
let len: u32 = token.len.into();
|
|
let len = len as usize;
|
|
let token_text = &text[offset..offset + len];
|
|
offset += len;
|
|
write!(acc, "{:?} {} {:?}\n", token.kind, token.len, token_text).unwrap()
|
|
}
|
|
acc
|
|
}
|