rust/crates/ra_analysis/tests/test/main.rs
2019-01-03 21:29:17 +03:00

567 lines
12 KiB
Rust

mod runnables;
mod type_of;
use ra_syntax::TextRange;
use test_utils::{assert_eq_dbg, assert_eq_text};
use ra_analysis::{
mock_analysis::{analysis_and_position, single_file, single_file_with_position, MockAnalysis},
AnalysisChange, CrateGraph, FileId, FnSignatureInfo, Query
};
fn get_signature(text: &str) -> (FnSignatureInfo, Option<usize>) {
let (analysis, position) = single_file_with_position(text);
analysis.resolve_callable(position).unwrap().unwrap()
}
#[test]
fn approximate_resolve_works_in_items() {
let (analysis, pos) = analysis_and_position(
"
//- /lib.rs
struct Foo;
enum E { X(Foo<|>) }
",
);
let symbols = analysis.approximately_resolve_symbol(pos).unwrap().unwrap();
assert_eq_dbg(
r#"ReferenceResolution {
reference_range: [23; 26),
resolves_to: [NavigationTarget { file_id: FileId(1), name: "Foo", kind: STRUCT_DEF, range: [0; 11), ptr: Some(LocalSyntaxPtr { range: [0; 11), kind: STRUCT_DEF }) }]
}"#,
&symbols,
);
}
#[test]
fn test_resolve_module() {
let (analysis, pos) = analysis_and_position(
"
//- /lib.rs
mod <|>foo;
//- /foo.rs
// empty
",
);
let symbols = analysis.approximately_resolve_symbol(pos).unwrap().unwrap();
assert_eq_dbg(
r#"ReferenceResolution {
reference_range: [4; 7),
resolves_to: [NavigationTarget { file_id: FileId(2), name: "foo", kind: MODULE, range: [0; 0), ptr: None }]
}"#,
&symbols,
);
let (analysis, pos) = analysis_and_position(
"
//- /lib.rs
mod <|>foo;
//- /foo/mod.rs
// empty
",
);
let symbols = analysis.approximately_resolve_symbol(pos).unwrap().unwrap();
assert_eq_dbg(
r#"ReferenceResolution {
reference_range: [4; 7),
resolves_to: [NavigationTarget { file_id: FileId(2), name: "foo", kind: MODULE, range: [0; 0), ptr: None }]
}"#,
&symbols,
);
}
#[test]
fn test_unresolved_module_diagnostic() {
let (analysis, file_id) = single_file("mod foo;");
let diagnostics = analysis.diagnostics(file_id).unwrap();
assert_eq_dbg(
r#"[Diagnostic {
message: "unresolved module",
range: [4; 7),
fix: Some(SourceChange {
label: "create module",
source_file_edits: [],
file_system_edits: [CreateFile { source_root: SourceRootId(0), path: "foo.rs" }],
cursor_position: None }),
severity: Error }]"#,
&diagnostics,
);
}
#[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_eq_dbg(r#"[]"#, &diagnostics);
}
#[test]
fn test_resolve_parent_module() {
let (analysis, pos) = analysis_and_position(
"
//- /lib.rs
mod foo;
//- /foo.rs
<|>// empty
",
);
let symbols = analysis.parent_module(pos).unwrap();
assert_eq_dbg(
r#"[NavigationTarget { file_id: FileId(1), name: "foo", kind: MODULE, range: [4; 7), ptr: None }]"#,
&symbols,
);
}
#[test]
fn test_resolve_parent_module_for_inline() {
let (analysis, pos) = analysis_and_position(
"
//- /lib.rs
mod foo {
mod bar {
mod baz { <|> }
}
}
",
);
let symbols = analysis.parent_module(pos).unwrap();
assert_eq_dbg(
r#"[NavigationTarget { file_id: FileId(1), name: "bar", kind: MODULE, range: [18; 21), ptr: None }]"#,
&symbols,
);
}
#[test]
fn test_resolve_crate_root() {
let mock = MockAnalysis::with_files(
"
//- /lib.rs
mod foo;
//- /foo.rs
// emtpy <|>
",
);
let root_file = mock.id_of("/lib.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]);
}
#[test]
fn test_fn_signature_two_args_first() {
let (desc, param) = get_signature(
r#"fn foo(x: u32, y: u32) -> u32 {x + y}
fn bar() { foo(<|>3, ); }"#,
);
assert_eq!(desc.name, "foo".to_string());
assert_eq!(desc.params, vec!("x".to_string(), "y".to_string()));
assert_eq!(desc.ret_type, Some("-> u32".into()));
assert_eq!(param, Some(0));
}
#[test]
fn test_fn_signature_two_args_second() {
let (desc, param) = get_signature(
r#"fn foo(x: u32, y: u32) -> u32 {x + y}
fn bar() { foo(3, <|>); }"#,
);
assert_eq!(desc.name, "foo".to_string());
assert_eq!(desc.params, vec!("x".to_string(), "y".to_string()));
assert_eq!(desc.ret_type, Some("-> u32".into()));
assert_eq!(param, Some(1));
}
#[test]
fn test_fn_signature_for_impl() {
let (desc, param) = get_signature(
r#"struct F; impl F { pub fn new() { F{}} }
fn bar() {let _ : F = F::new(<|>);}"#,
);
assert_eq!(desc.name, "new".to_string());
assert_eq!(desc.params, Vec::<String>::new());
assert_eq!(desc.ret_type, None);
assert_eq!(param, None);
}
#[test]
fn test_fn_signature_for_method_self() {
let (desc, param) = get_signature(
r#"struct F;
impl F {
pub fn new() -> F{
F{}
}
pub fn do_it(&self) {}
}
fn bar() {
let f : F = F::new();
f.do_it(<|>);
}"#,
);
assert_eq!(desc.name, "do_it".to_string());
assert_eq!(desc.params, vec!["&self".to_string()]);
assert_eq!(desc.ret_type, None);
assert_eq!(param, None);
}
#[test]
fn test_fn_signature_for_method_with_arg() {
let (desc, param) = get_signature(
r#"struct F;
impl F {
pub fn new() -> F{
F{}
}
pub fn do_it(&self, x: i32) {}
}
fn bar() {
let f : F = F::new();
f.do_it(<|>);
}"#,
);
assert_eq!(desc.name, "do_it".to_string());
assert_eq!(desc.params, vec!["&self".to_string(), "x".to_string()]);
assert_eq!(desc.ret_type, None);
assert_eq!(param, Some(1));
}
#[test]
fn test_fn_signature_with_docs_simple() {
let (desc, param) = get_signature(
r#"
// test
fn foo(j: u32) -> u32 {
j
}
fn bar() {
let _ = foo(<|>);
}
"#,
);
assert_eq!(desc.name, "foo".to_string());
assert_eq!(desc.params, vec!["j".to_string()]);
assert_eq!(desc.ret_type, Some("-> u32".to_string()));
assert_eq!(param, Some(0));
assert_eq!(desc.label, "fn foo(j: u32) -> u32".to_string());
assert_eq!(desc.doc, Some("test".into()));
}
#[test]
fn test_fn_signature_with_docs() {
let (desc, param) = get_signature(
r#"
/// Adds one to the number given.
///
/// # Examples
///
/// ```
/// let five = 5;
///
/// assert_eq!(6, my_crate::add_one(5));
/// ```
pub fn add_one(x: i32) -> i32 {
x + 1
}
pub fn do() {
add_one(<|>
}"#,
);
assert_eq!(desc.name, "add_one".to_string());
assert_eq!(desc.params, vec!["x".to_string()]);
assert_eq!(desc.ret_type, Some("-> i32".to_string()));
assert_eq!(param, Some(0));
assert_eq!(desc.label, "pub fn add_one(x: i32) -> i32".to_string());
assert_eq!(
desc.doc,
Some(
r#"Adds one to the number given.
# Examples
```rust
let five = 5;
assert_eq!(6, my_crate::add_one(5));
```"#
.into()
)
);
}
#[test]
fn test_fn_signature_with_docs_impl() {
let (desc, param) = get_signature(
r#"
struct addr;
impl addr {
/// Adds one to the number given.
///
/// # Examples
///
/// ```
/// let five = 5;
///
/// assert_eq!(6, my_crate::add_one(5));
/// ```
pub fn add_one(x: i32) -> i32 {
x + 1
}
}
pub fn do_it() {
addr {};
addr::add_one(<|>);
}"#,
);
assert_eq!(desc.name, "add_one".to_string());
assert_eq!(desc.params, vec!["x".to_string()]);
assert_eq!(desc.ret_type, Some("-> i32".to_string()));
assert_eq!(param, Some(0));
assert_eq!(desc.label, "pub fn add_one(x: i32) -> i32".to_string());
assert_eq!(
desc.doc,
Some(
r#"Adds one to the number given.
# Examples
```rust
let five = 5;
assert_eq!(6, my_crate::add_one(5));
```"#
.into()
)
);
}
#[test]
fn test_fn_signature_with_docs_from_actix() {
let (desc, param) = get_signature(
r#"
pub trait WriteHandler<E>
where
Self: Actor,
Self::Context: ActorContext,
{
/// Method is called when writer emits error.
///
/// If this method returns `ErrorAction::Continue` writer processing
/// continues otherwise stream processing stops.
fn error(&mut self, err: E, ctx: &mut Self::Context) -> Running {
Running::Stop
}
/// Method is called when writer finishes.
///
/// By default this method stops actor's `Context`.
fn finished(&mut self, ctx: &mut Self::Context) {
ctx.stop()
}
}
pub fn foo() {
WriteHandler r;
r.finished(<|>);
}
"#,
);
assert_eq!(desc.name, "finished".to_string());
assert_eq!(
desc.params,
vec!["&mut self".to_string(), "ctx".to_string()]
);
assert_eq!(desc.ret_type, None);
assert_eq!(param, Some(1));
assert_eq!(
desc.doc,
Some(
r#"Method is called when writer finishes.
By default this method stops actor's `Context`."#
.into()
)
);
}
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 test_rename_for_local() {
test_rename(
r#"
fn main() {
let mut i = 1;
let j = 1;
i = i<|> + j;
{
i = 0;
}
i = 5;
}"#,
"k",
r#"
fn main() {
let mut k = 1;
let j = 1;
k = k + j;
{
k = 0;
}
k = 5;
}"#,
);
}
#[test]
fn test_rename_for_param_inside() {
test_rename(
r#"
fn foo(i : u32) -> u32 {
i<|>
}"#,
"j",
r#"
fn foo(j : u32) -> u32 {
j
}"#,
);
}
#[test]
fn test_rename_refs_for_fn_param() {
test_rename(
r#"
fn foo(i<|> : u32) -> u32 {
i
}"#,
"new_name",
r#"
fn foo(new_name : u32) -> u32 {
new_name
}"#,
);
}
#[test]
fn test_rename_for_mut_param() {
test_rename(
r#"
fn foo(mut i<|> : u32) -> u32 {
i
}"#,
"new_name",
r#"
fn foo(mut new_name : u32) -> u32 {
new_name
}"#,
);
}
fn test_rename(text: &str, new_name: &str, expected: &str) {
let (analysis, position) = single_file_with_position(text);
let edits = analysis.rename(position, new_name).unwrap();
let mut text_edit_bulder = ra_text_edit::TextEditBuilder::default();
let mut file_id: Option<FileId> = None;
for edit in edits {
file_id = Some(edit.file_id);
for atom in edit.edit.as_atoms() {
text_edit_bulder.replace(atom.delete, atom.insert.clone());
}
}
let result = text_edit_bulder
.finish()
.apply(&*analysis.file_text(file_id.unwrap()));
assert_eq_text!(expected, &*result);
}
#[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.range(), TextRange::from_to(33.into(), 44.into()));
}