use ra_syntax::TextRange; use test_utils::assert_eq_dbg; use ra_analysis::{ mock_analysis::{analysis_and_position, single_file, single_file_with_position, MockAnalysis}, AnalysisChange, CrateGraph, FileId, FnSignatureInfo, }; fn get_signature(text: &str) -> (FnSignatureInfo, Option) { 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: [(FileId(1), FileSymbol { name: "Foo", node_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: [(FileId(2), FileSymbol { name: "foo", node_range: [0; 0), kind: MODULE })] }"#, &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: [(FileId(2), FileSymbol { name: "foo", node_range: [0; 0), kind: MODULE })] }"#, &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 }) }]"#, &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#"[(FileId(1), FileSymbol { name: "foo", node_range: [4; 7), kind: MODULE })]"#, &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#"[(FileId(1), FileSymbol { name: "bar", node_range: [18; 21), kind: MODULE })]"#, &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::::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 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_complete_crate_path() { let (analysis, position) = analysis_and_position( " //- /lib.rs mod foo; struct Spam; //- /foo.rs use crate::Sp<|> ", ); let completions = analysis.completions(position).unwrap().unwrap(); assert_eq_dbg( r#"[CompletionItem { label: "Spam", lookup: None, snippet: None }, CompletionItem { label: "foo", lookup: None, snippet: None }]"#, &completions, ); } #[test] fn test_complete_crate_path_with_braces() { let (analysis, position) = analysis_and_position( " //- /lib.rs mod foo; struct Spam; //- /foo.rs use crate::{Sp<|>}; ", ); let completions = analysis.completions(position).unwrap().unwrap(); assert_eq_dbg( r#"[CompletionItem { label: "Spam", lookup: None, snippet: None }, CompletionItem { label: "foo", lookup: None, snippet: None }]"#, &completions, ); } #[test] fn test_complete_crate_path_in_nested_tree() { let (analysis, position) = analysis_and_position( " //- /lib.rs mod foo; pub mod bar { pub mod baz { pub struct Spam; } } //- /foo.rs use crate::{bar::{baz::Sp<|>}}; ", ); let completions = analysis.completions(position).unwrap().unwrap(); assert_eq_dbg( r#"[CompletionItem { label: "Spam", lookup: None, snippet: None }]"#, &completions, ); }