rust/crates/ra_ide_api/tests/test/main.rs
2019-01-27 15:19:41 +01:00

108 lines
2.6 KiB
Rust

use insta::assert_debug_snapshot_matches;
use ra_ide_api::{
mock_analysis::{single_file, single_file_with_position, MockAnalysis},
AnalysisChange, CrateGraph, FileId, Query,
};
use ra_syntax::TextRange;
#[test]
fn test_unresolved_module_diagnostic() {
let (analysis, file_id) = single_file("mod foo;");
let diagnostics = analysis.diagnostics(file_id).unwrap();
assert_debug_snapshot_matches!("unresolved_module_diagnostic", &diagnostics);
}
// FIXME: move this test to hir
#[test]
fn test_unresolved_module_diagnostic_no_diag_for_inline_mode() {
let (analysis, file_id) = single_file("mod foo {}");
let diagnostics = analysis.diagnostics(file_id).unwrap();
assert!(diagnostics.is_empty());
}
#[test]
fn test_resolve_crate_root() {
let mock = MockAnalysis::with_files(
"
//- /bar.rs
mod foo;
//- /foo.rs
// empty <|>
",
);
let root_file = mock.id_of("/bar.rs");
let mod_file = mock.id_of("/foo.rs");
let mut host = mock.analysis_host();
assert!(host.analysis().crate_for(mod_file).unwrap().is_empty());
let mut crate_graph = CrateGraph::default();
let crate_id = crate_graph.add_crate_root(root_file);
let mut change = AnalysisChange::new();
change.set_crate_graph(crate_graph);
host.apply_change(change);
assert_eq!(host.analysis().crate_for(mod_file).unwrap(), vec![crate_id]);
}
fn get_all_refs(text: &str) -> Vec<(FileId, TextRange)> {
let (analysis, position) = single_file_with_position(text);
analysis.find_all_refs(position).unwrap()
}
#[test]
fn test_find_all_refs_for_local() {
let code = r#"
fn main() {
let mut i = 1;
let j = 1;
i = i<|> + j;
{
i = 0;
}
i = 5;
}"#;
let refs = get_all_refs(code);
assert_eq!(refs.len(), 5);
}
#[test]
fn test_find_all_refs_for_param_inside() {
let code = r#"
fn foo(i : u32) -> u32 {
i<|>
}"#;
let refs = get_all_refs(code);
assert_eq!(refs.len(), 2);
}
#[test]
fn test_find_all_refs_for_fn_param() {
let code = r#"
fn foo(i<|> : u32) -> u32 {
i
}"#;
let refs = get_all_refs(code);
assert_eq!(refs.len(), 2);
}
#[test]
fn world_symbols_include_stuff_from_macros() {
let (analysis, _) = single_file(
"
salsa::query_group! {
pub trait HirDatabase: SyntaxDatabase {}
}
",
);
let mut symbols = analysis.symbol_search(Query::new("Hir".into())).unwrap();
let s = symbols.pop().unwrap();
assert_eq!(s.name(), "HirDatabase");
assert_eq!(s.full_range(), TextRange::from_to(33.into(), 44.into()));
}