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#[cfg(not(feature = "in-rust-tree"))]
mod sourcegen;
use expect_test::Expect;
use ide_db::{
assists::AssistResolveStrategy,
base_db::{fixture::WithFixture, SourceDatabaseExt},
RootDatabase,
};
use stdx::trim_indent;
use test_utils::{assert_eq_text, extract_annotations};
use crate::{DiagnosticsConfig, ExprFillDefaultMode, Severity};
/// Takes a multi-file input fixture with annotated cursor positions,
/// and checks that:
/// * a diagnostic is produced
/// * the first diagnostic fix trigger range touches the input cursor position
/// * that the contents of the file containing the cursor match `after` after the diagnostic fix is applied
#[track_caller]
pub(crate) fn check_fix(ra_fixture_before: &str, ra_fixture_after: &str) {
check_nth_fix(0, ra_fixture_before, ra_fixture_after);
}
/// Takes a multi-file input fixture with annotated cursor positions,
/// and checks that:
/// * a diagnostic is produced
/// * every diagnostic fixes trigger range touches the input cursor position
/// * that the contents of the file containing the cursor match `after` after each diagnostic fix is applied
pub(crate) fn check_fixes(ra_fixture_before: &str, ra_fixtures_after: Vec<&str>) {
for (i, ra_fixture_after) in ra_fixtures_after.iter().enumerate() {
check_nth_fix(i, ra_fixture_before, ra_fixture_after)
}
}
#[track_caller]
fn check_nth_fix(nth: usize, ra_fixture_before: &str, ra_fixture_after: &str) {
let after = trim_indent(ra_fixture_after);
let (db, file_position) = RootDatabase::with_position(ra_fixture_before);
let mut conf = DiagnosticsConfig::default();
conf.expr_fill_default = ExprFillDefaultMode::Default;
let diagnostic =
super::diagnostics(&db, &conf, &AssistResolveStrategy::All, file_position.file_id)
.pop()
.expect("no diagnostics");
let fix = &diagnostic.fixes.expect("diagnostic misses fixes")[nth];
let actual = {
let source_change = fix.source_change.as_ref().unwrap();
let file_id = *source_change.source_file_edits.keys().next().unwrap();
let mut actual = db.file_text(file_id).to_string();
for edit in source_change.source_file_edits.values() {
edit.apply(&mut actual);
}
actual
};
assert!(
fix.target.contains_inclusive(file_position.offset),
"diagnostic fix range {:?} does not touch cursor position {:?}",
fix.target,
file_position.offset
);
assert_eq_text!(&after, &actual);
}
/// Checks that there's a diagnostic *without* fix at `$0`.
pub(crate) fn check_no_fix(ra_fixture: &str) {
let (db, file_position) = RootDatabase::with_position(ra_fixture);
let diagnostic = super::diagnostics(
&db,
&DiagnosticsConfig::default(),
&AssistResolveStrategy::All,
file_position.file_id,
)
.pop()
.unwrap();
assert!(diagnostic.fixes.is_none(), "got a fix when none was expected: {:?}", diagnostic);
}
pub(crate) fn check_expect(ra_fixture: &str, expect: Expect) {
let (db, file_id) = RootDatabase::with_single_file(ra_fixture);
let diagnostics = super::diagnostics(
&db,
&DiagnosticsConfig::default(),
&AssistResolveStrategy::All,
file_id,
);
expect.assert_debug_eq(&diagnostics)
}
#[track_caller]
pub(crate) fn check_diagnostics(ra_fixture: &str) {
let mut config = DiagnosticsConfig::default();
config.disabled.insert("inactive-code".to_string());
check_diagnostics_with_config(config, ra_fixture)
}
#[track_caller]
pub(crate) fn check_diagnostics_with_config(config: DiagnosticsConfig, ra_fixture: &str) {
let (db, files) = RootDatabase::with_many_files(ra_fixture);
for file_id in files {
let diagnostics = super::diagnostics(&db, &config, &AssistResolveStrategy::All, file_id);
let expected = extract_annotations(&*db.file_text(file_id));
let mut actual = diagnostics
.into_iter()
.map(|d| {
let mut annotation = String::new();
if let Some(fixes) = &d.fixes {
assert!(!fixes.is_empty());
annotation.push_str("💡 ")
}
annotation.push_str(match d.severity {
Severity::Error => "error",
Severity::WeakWarning => "weak",
});
annotation.push_str(": ");
annotation.push_str(&d.message);
(d.range, annotation)
})
.collect::<Vec<_>>();
actual.sort_by_key(|(range, _)| range.start());
assert_eq!(expected, actual);
}
}
#[test]
fn test_disabled_diagnostics() {
let mut config = DiagnosticsConfig::default();
config.disabled.insert("unresolved-module".into());
let (db, file_id) = RootDatabase::with_single_file(r#"mod foo;"#);
let diagnostics = super::diagnostics(&db, &config, &AssistResolveStrategy::All, file_id);
assert!(diagnostics.is_empty());
let diagnostics = super::diagnostics(
&db,
&DiagnosticsConfig::default(),
&AssistResolveStrategy::All,
file_id,
);
assert!(!diagnostics.is_empty());
}
|
