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|
use base_db::fixture::WithFixture;
use base_db::FileId;
use base_db::SourceDatabaseExt;
use hir_expand::db::AstDatabase;
use rustc_hash::FxHashMap;
use syntax::TextRange;
use syntax::TextSize;
use crate::test_db::TestDB;
fn check_diagnostics(ra_fixture: &str) {
let db: TestDB = TestDB::with_files(ra_fixture);
let annotations = db.extract_annotations();
assert!(!annotations.is_empty());
let mut actual: FxHashMap<FileId, Vec<(TextRange, String)>> = FxHashMap::default();
db.diagnostics(|d| {
let src = d.display_source();
let root = db.parse_or_expand(src.file_id).unwrap();
// FIXME: macros...
let file_id = src.file_id.original_file(&db);
let range = src.value.to_node(&root).text_range();
let message = d.message().to_owned();
actual.entry(file_id).or_default().push((range, message));
});
for (file_id, diags) in actual.iter_mut() {
diags.sort_by_key(|it| it.0.start());
let text = db.file_text(*file_id);
// For multiline spans, place them on line start
for (range, content) in diags {
if text[*range].contains('\n') {
*range = TextRange::new(range.start(), range.start() + TextSize::from(1));
*content = format!("... {}", content);
}
}
}
assert_eq!(annotations, actual);
}
#[test]
fn unresolved_import() {
check_diagnostics(
r"
use does_exist;
use does_not_exist;
//^^^^^^^^^^^^^^ unresolved import
mod does_exist {}
",
);
}
#[test]
fn unresolved_import_in_use_tree() {
// Only the relevant part of a nested `use` item should be highlighted.
check_diagnostics(
r"
use does_exist::{Exists, DoesntExist};
//^^^^^^^^^^^ unresolved import
use {does_not_exist::*, does_exist};
//^^^^^^^^^^^^^^^^^ unresolved import
use does_not_exist::{
a,
//^ unresolved import
b,
//^ unresolved import
c,
//^ unresolved import
};
mod does_exist {
pub struct Exists;
}
",
);
}
#[test]
fn unresolved_extern_crate() {
check_diagnostics(
r"
//- /main.rs crate:main deps:core
extern crate core;
extern crate doesnotexist;
//^^^^^^^^^^^^^^^^^^^^^^^^^^ unresolved extern crate
//- /lib.rs crate:core
",
);
}
#[test]
fn dedup_unresolved_import_from_unresolved_crate() {
check_diagnostics(
r"
//- /main.rs crate:main
mod a {
extern crate doesnotexist;
//^^^^^^^^^^^^^^^^^^^^^^^^^^ unresolved extern crate
// Should not error, since we already errored for the missing crate.
use doesnotexist::{self, bla, *};
use crate::doesnotexist;
//^^^^^^^^^^^^^^^^^^^ unresolved import
}
mod m {
use super::doesnotexist;
//^^^^^^^^^^^^^^^^^^^ unresolved import
}
",
);
}
#[test]
fn unresolved_module() {
check_diagnostics(
r"
//- /lib.rs
mod foo;
mod bar;
//^^^^^^^^ unresolved module
mod baz {}
//- /foo.rs
",
);
}
#[test]
fn inactive_item() {
// Additional tests in `cfg` crate. This only tests disabled cfgs.
check_diagnostics(
r#"
//- /lib.rs
#[cfg(no)] pub fn f() {}
//^^^^^^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: no is disabled
#[cfg(no)] #[cfg(no2)] mod m;
//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: no and no2 are disabled
#[cfg(all(not(a), b))] enum E {}
//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: b is disabled
#[cfg(feature = "std")] use std;
//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: feature = "std" is disabled
"#,
);
}
|
