crates/rust-analyzer/tests/heavy_tests/main.rs

   1 mod support;
   2
   3 use std::{collections::HashMap, path::PathBuf, time::Instant};
   4
   5 use lsp_types::{
   6     notification::DidOpenTextDocument,
   7     request::{
   8         CodeActionRequest, Completion, Formatting, GotoDefinition, GotoTypeDefinition, HoverRequest,
   9     },
  10     CodeActionContext, CodeActionParams, CompletionParams, DidOpenTextDocumentParams,
  11     DocumentFormattingParams, FormattingOptions, GotoDefinitionParams, HoverParams,
  12     PartialResultParams, Position, Range, TextDocumentItem, TextDocumentPositionParams,
  13     WorkDoneProgressParams,
  14 };
  15 use rust_analyzer::lsp_ext::{OnEnter, Runnables, RunnablesParams};
  16 use serde_json::json;
  17 use tempfile::TempDir;
  18 use test_utils::skip_slow_tests;
  19
  20 use crate::support::{project, Project};
  21
  22 const PROFILE: &str = "";
  23 // const PROFILE: &'static str = "*@3>100";
  24
  25 #[test]
  26 fn completes_items_from_standard_library() {
  27     if skip_slow_tests() {
  28         return;
  29     }
  30
  31     let project_start = Instant::now();
  32     let server = Project::with_fixture(
  33         r#"
  34 //- Cargo.toml
  35 [package]
  36 name = "foo"
  37 version = "0.0.0"
  38
  39 //- src/lib.rs
  40 use std::collections::Spam;
  41 "#,
  42     )
  43     .with_sysroot(true)
  44     .server();
  45     server.wait_until_workspace_is_loaded();
  46     eprintln!("loading took    {:?}", project_start.elapsed());
  47     let completion_start = Instant::now();
  48     let res = server.send_request::<Completion>(CompletionParams {
  49         text_document_position: TextDocumentPositionParams::new(
  50             server.doc_id("src/lib.rs"),
  51             Position::new(0, 23),
  52         ),
  53         context: None,
  54         partial_result_params: PartialResultParams::default(),
  55         work_done_progress_params: WorkDoneProgressParams::default(),
  56     });
  57     assert!(format!("{}", res).contains("HashMap"));
  58     eprintln!("completion took {:?}", completion_start.elapsed());
  59 }
  60
  61 #[test]
  62 fn test_runnables_no_project() {
  63     if skip_slow_tests() {
  64         return;
  65     }
  66
  67     let server = project(
  68         r"
  69 //- lib.rs
  70 #[test]
  71 fn foo() {
  72 }
  73 ",
  74     );
  75     server.wait_until_workspace_is_loaded();
  76     server.request::<Runnables>(
  77         RunnablesParams { text_document: server.doc_id("lib.rs"), position: None },
  78         json!([
  79           {
  80             "args": [ "test" ],
  81             "extraArgs": [ "foo", "--nocapture" ],
  82             "kind": "cargo",
  83             "env": { "RUST_BACKTRACE": "short" },
  84             "cwd": null,
  85             "label": "test foo",
  86             "range": {
  87               "end": { "character": 1, "line": 2 },
  88               "start": { "character": 0, "line": 0 }
  89             }
  90           },
  91           {
  92             "args": ["check", "--workspace"],
  93             "extraArgs": [],
  94             "kind": "cargo",
  95             "env": {},
  96             "cwd": null,
  97             "label": "cargo check --workspace",
  98             "range": {
  99               "end": { "character": 0, "line": 0 },
 100               "start": { "character": 0, "line": 0 }
 101             }
 102           }
 103         ]),
 104     );
 105 }
 106
 107 #[test]
 108 fn test_runnables_project() {
 109     if skip_slow_tests() {
 110         return;
 111     }
 112
 113     let code = r#"
 114 //- foo/Cargo.toml
 115 [package]
 116 name = "foo"
 117 version = "0.0.0"
 118
 119 //- foo/src/lib.rs
 120 pub fn foo() {}
 121
 122 //- foo/tests/spam.rs
 123 #[test]
 124 fn test_eggs() {}
 125
 126 //- bar/Cargo.toml
 127 [package]
 128 name = "bar"
 129 version = "0.0.0"
 130
 131 //- bar/src/main.rs
 132 fn main() {}
 133 "#;
 134
 135     let server = Project::with_fixture(code).root("foo").root("bar").server();
 136
 137     server.wait_until_workspace_is_loaded();
 138     server.request::<Runnables>(
 139         RunnablesParams { text_document: server.doc_id("foo/tests/spam.rs"), position: None },
 140         json!([
 141             {
 142               "args": [ "test", "--package", "foo", "--test", "spam" ],
 143               "extraArgs": [ "test_eggs", "--exact", "--nocapture" ],
 144               "kind": "cargo",
 145               "env": { "RUST_BACKTRACE": "short" },
 146               "label": "test test_eggs",
 147               "range": {
 148                 "end": { "character": 17, "line": 1 },
 149                 "start": { "character": 0, "line": 0 }
 150               },
 151               "cwd": server.path().join("foo")
 152             },
 153             {
 154               "args": [ "check", "--package", "foo" ],
 155               "extraArgs": [],
 156               "kind": "cargo",
 157               "env": {},
 158               "label": "cargo check -p foo",
 159               "range": {
 160                 "end": { "character": 0, "line": 0 },
 161                 "start": { "character": 0, "line": 0 }
 162               },
 163               "cwd": server.path().join("foo")
 164             },
 165             {
 166               "args": [ "test", "--package", "foo" ],
 167               "extraArgs": [],
 168               "kind": "cargo",
 169               "env": {},
 170               "label": "cargo test -p foo",
 171               "range": {
 172                 "end": { "character": 0, "line": 0 },
 173                 "start": { "character": 0, "line": 0 }
 174               },
 175               "cwd": server.path().join("foo")
 176             }
 177         ]),
 178     );
 179 }
 180
 181 #[test]
 182 fn test_format_document() {
 183     if skip_slow_tests() {
 184         return;
 185     }
 186
 187     let server = project(
 188         r#"
 189 //- Cargo.toml
 190 [package]
 191 name = "foo"
 192 version = "0.0.0"
 193
 194 //- src/lib.rs
 195 mod bar;
 196
 197 fn main() {
 198 }
 199
 200 pub use std::collections::HashMap;
 201 "#,
 202     );
 203     server.wait_until_workspace_is_loaded();
 204
 205     server.request::<Formatting>(
 206         DocumentFormattingParams {
 207             text_document: server.doc_id("src/lib.rs"),
 208             options: FormattingOptions {
 209                 tab_size: 4,
 210                 insert_spaces: false,
 211                 insert_final_newline: None,
 212                 trim_final_newlines: None,
 213                 trim_trailing_whitespace: None,
 214                 properties: HashMap::new(),
 215             },
 216             work_done_progress_params: WorkDoneProgressParams::default(),
 217         },
 218         json!([
 219             {
 220                 "newText": r#"mod bar;
 221
 222 fn main() {}
 223
 224 pub use std::collections::HashMap;
 225 "#,
 226                 "range": {
 227                     "end": {
 228                         "character": 0,
 229                         "line": 7
 230                     },
 231                     "start": {
 232                         "character": 0,
 233                         "line": 0
 234                     }
 235                 }
 236             }
 237         ]),
 238     );
 239 }
 240
 241 #[test]
 242 fn test_format_document_2018() {
 243     if skip_slow_tests() {
 244         return;
 245     }
 246
 247     let server = project(
 248         r#"
 249 //- Cargo.toml
 250 [package]
 251 name = "foo"
 252 version = "0.0.0"
 253 edition = "2018"
 254
 255 //- src/lib.rs
 256 mod bar;
 257
 258 async fn test() {
 259 }
 260
 261 fn main() {
 262 }
 263
 264 pub use std::collections::HashMap;
 265 "#,
 266     );
 267     server.wait_until_workspace_is_loaded();
 268
 269     server.request::<Formatting>(
 270         DocumentFormattingParams {
 271             text_document: server.doc_id("src/lib.rs"),
 272             options: FormattingOptions {
 273                 tab_size: 4,
 274                 insert_spaces: false,
 275                 properties: HashMap::new(),
 276                 insert_final_newline: None,
 277                 trim_final_newlines: None,
 278                 trim_trailing_whitespace: None,
 279             },
 280             work_done_progress_params: WorkDoneProgressParams::default(),
 281         },
 282         json!([
 283             {
 284                 "newText": r#"mod bar;
 285
 286 async fn test() {}
 287
 288 fn main() {}
 289
 290 pub use std::collections::HashMap;
 291 "#,
 292                 "range": {
 293                     "end": {
 294                         "character": 0,
 295                         "line": 10
 296                     },
 297                     "start": {
 298                         "character": 0,
 299                         "line": 0
 300                     }
 301                 }
 302             }
 303         ]),
 304     );
 305 }
 306
 307 #[test]
 308 fn test_missing_module_code_action() {
 309     if skip_slow_tests() {
 310         return;
 311     }
 312
 313     let server = project(
 314         r#"
 315 //- Cargo.toml
 316 [package]
 317 name = "foo"
 318 version = "0.0.0"
 319
 320 //- src/lib.rs
 321 mod bar;
 322
 323 fn main() {}
 324 "#,
 325     );
 326     server.wait_until_workspace_is_loaded();
 327     let empty_context = || CodeActionContext { diagnostics: Vec::new(), only: None };
 328     server.request::<CodeActionRequest>(
 329         CodeActionParams {
 330             text_document: server.doc_id("src/lib.rs"),
 331             range: Range::new(Position::new(0, 4), Position::new(0, 7)),
 332             context: empty_context(),
 333             partial_result_params: PartialResultParams::default(),
 334             work_done_progress_params: WorkDoneProgressParams::default(),
 335         },
 336         json!([{
 337             "edit": {
 338               "documentChanges": [
 339                 {
 340                   "kind": "create",
 341                   "uri": "file:///[..]/src/bar.rs"
 342                 }
 343               ]
 344             },
 345             "title": "Create module"
 346         }]),
 347     );
 348
 349     server.request::<CodeActionRequest>(
 350         CodeActionParams {
 351             text_document: server.doc_id("src/lib.rs"),
 352             range: Range::new(Position::new(2, 4), Position::new(2, 7)),
 353             context: empty_context(),
 354             partial_result_params: PartialResultParams::default(),
 355             work_done_progress_params: WorkDoneProgressParams::default(),
 356         },
 357         json!([]),
 358     );
 359 }
 360
 361 #[test]
 362 fn test_missing_module_code_action_in_json_project() {
 363     if skip_slow_tests() {
 364         return;
 365     }
 366
 367     let tmp_dir = TempDir::new().unwrap();
 368
 369     let path = tmp_dir.path();
 370
 371     let project = json!({
 372         "roots": [path],
 373         "crates": [ {
 374             "root_module": path.join("src/lib.rs"),
 375             "deps": [],
 376             "edition": "2015",
 377             "atom_cfgs": [],
 378             "key_value_cfgs": {}
 379         } ]
 380     });
 381
 382     let code = format!(
 383         r#"
 384 //- rust-project.json
 385 {PROJECT}
 386
 387 //- src/lib.rs
 388 mod bar;
 389
 390 fn main() {{}}
 391 "#,
 392         PROJECT = project.to_string(),
 393     );
 394
 395     let server = Project::with_fixture(&code).tmp_dir(tmp_dir).server();
 396
 397     server.wait_until_workspace_is_loaded();
 398     let empty_context = || CodeActionContext { diagnostics: Vec::new(), only: None };
 399     server.request::<CodeActionRequest>(
 400         CodeActionParams {
 401             text_document: server.doc_id("src/lib.rs"),
 402             range: Range::new(Position::new(0, 4), Position::new(0, 7)),
 403             context: empty_context(),
 404             partial_result_params: PartialResultParams::default(),
 405             work_done_progress_params: WorkDoneProgressParams::default(),
 406         },
 407         json!([{
 408             "edit": {
 409               "documentChanges": [
 410                 {
 411                   "kind": "create",
 412                   "uri": "file://[..]/src/bar.rs"
 413                 }
 414               ]
 415             },
 416             "title": "Create module"
 417         }]),
 418     );
 419
 420     server.request::<CodeActionRequest>(
 421         CodeActionParams {
 422             text_document: server.doc_id("src/lib.rs"),
 423             range: Range::new(Position::new(2, 4), Position::new(2, 7)),
 424             context: empty_context(),
 425             partial_result_params: PartialResultParams::default(),
 426             work_done_progress_params: WorkDoneProgressParams::default(),
 427         },
 428         json!([]),
 429     );
 430 }
 431
 432 #[test]
 433 fn diagnostics_dont_block_typing() {
 434     if skip_slow_tests() {
 435         return;
 436     }
 437
 438     let librs: String = (0..10).map(|i| format!("mod m{};", i)).collect();
 439     let libs: String = (0..10).map(|i| format!("//- src/m{}.rs\nfn foo() {{}}\n\n", i)).collect();
 440     let server = Project::with_fixture(&format!(
 441         r#"
 442 //- Cargo.toml
 443 [package]
 444 name = "foo"
 445 version = "0.0.0"
 446
 447 //- src/lib.rs
 448 {}
 449
 450 {}
 451
 452 fn main() {{}}
 453 "#,
 454         librs, libs
 455     ))
 456     .with_sysroot(true)
 457     .server();
 458
 459     server.wait_until_workspace_is_loaded();
 460     for i in 0..10 {
 461         server.notification::<DidOpenTextDocument>(DidOpenTextDocumentParams {
 462             text_document: TextDocumentItem {
 463                 uri: server.doc_id(&format!("src/m{}.rs", i)).uri,
 464                 language_id: "rust".to_string(),
 465                 version: 0,
 466                 text: "/// Docs\nfn foo() {}".to_string(),
 467             },
 468         });
 469     }
 470     let start = std::time::Instant::now();
 471     server.request::<OnEnter>(
 472         TextDocumentPositionParams {
 473             text_document: server.doc_id("src/m0.rs"),
 474             position: Position { line: 0, character: 5 },
 475         },
 476         json!([{
 477             "insertTextFormat": 2,
 478             "newText": "\n/// $0",
 479             "range": {
 480             "end": { "character": 5, "line": 0 },
 481             "start": { "character": 5, "line": 0 }
 482             }
 483         }]),
 484     );
 485     let elapsed = start.elapsed();
 486     assert!(elapsed.as_millis() < 2000, "typing enter took {:?}", elapsed);
 487 }
 488
 489 #[test]
 490 fn preserves_dos_line_endings() {
 491     if skip_slow_tests() {
 492         return;
 493     }
 494
 495     let server = Project::with_fixture(
 496         &"
 497 //- Cargo.toml
 498 [package]
 499 name = \"foo\"
 500 version = \"0.0.0\"
 501
 502 //- src/main.rs
 503 /// Some Docs\r\nfn main() {}
 504 ",
 505     )
 506     .server();
 507
 508     server.request::<OnEnter>(
 509         TextDocumentPositionParams {
 510             text_document: server.doc_id("src/main.rs"),
 511             position: Position { line: 0, character: 8 },
 512         },
 513         json!([{
 514             "insertTextFormat": 2,
 515             "newText": "\r\n/// $0",
 516             "range": {
 517             "end": { "line": 0, "character": 8 },
 518             "start": { "line": 0, "character": 8 }
 519             }
 520         }]),
 521     );
 522 }
 523
 524 #[test]
 525 fn out_dirs_check() {
 526     if skip_slow_tests() {
 527         return;
 528     }
 529
 530     let server = Project::with_fixture(
 531         r###"
 532 //- Cargo.toml
 533 [package]
 534 name = "foo"
 535 version = "0.0.0"
 536
 537 //- build.rs
 538 use std::{env, fs, path::Path};
 539
 540 fn main() {
 541     let out_dir = env::var_os("OUT_DIR").unwrap();
 542     let dest_path = Path::new(&out_dir).join("hello.rs");
 543     fs::write(
 544         &dest_path,
 545         r#"pub fn message() -> &'static str { "Hello, World!" }"#,
 546     )
 547     .unwrap();
 548     println!("cargo:rustc-cfg=atom_cfg");
 549     println!("cargo:rustc-cfg=featlike=\"set\"");
 550     println!("cargo:rerun-if-changed=build.rs");
 551 }
 552 //- src/main.rs
 553 include!(concat!(env!("OUT_DIR"), "/hello.rs"));
 554
 555 #[cfg(atom_cfg)]
 556 struct A;
 557 #[cfg(bad_atom_cfg)]
 558 struct A;
 559 #[cfg(featlike = "set")]
 560 struct B;
 561 #[cfg(featlike = "not_set")]
 562 struct B;
 563
 564 fn main() {
 565     let va = A;
 566     let vb = B;
 567     message();
 568 }
 569
 570 fn main() { message(); }
 571 "###,
 572     )
 573     .with_config(|config| {
 574         config.cargo.load_out_dirs_from_check = true;
 575     })
 576     .server();
 577     server.wait_until_workspace_is_loaded();
 578     let res = server.send_request::<GotoDefinition>(GotoDefinitionParams {
 579         text_document_position_params: TextDocumentPositionParams::new(
 580             server.doc_id("src/main.rs"),
 581             Position::new(14, 8),
 582         ),
 583         work_done_progress_params: Default::default(),
 584         partial_result_params: Default::default(),
 585     });
 586     assert!(format!("{}", res).contains("hello.rs"));
 587     server.request::<GotoTypeDefinition>(
 588         GotoDefinitionParams {
 589             text_document_position_params: TextDocumentPositionParams::new(
 590                 server.doc_id("src/main.rs"),
 591                 Position::new(12, 9),
 592             ),
 593             work_done_progress_params: Default::default(),
 594             partial_result_params: Default::default(),
 595         },
 596         json!([{
 597             "originSelectionRange": {
 598                 "end": {
 599                     "character": 10,
 600                     "line": 12
 601                 },
 602                 "start": {
 603                     "character": 8,
 604                     "line": 12
 605                 }
 606             },
 607             "targetRange": {
 608                 "end": {
 609                     "character": 9,
 610                     "line": 3
 611                 },
 612                 "start": {
 613                     "character": 0,
 614                     "line": 2
 615                 }
 616             },
 617             "targetSelectionRange": {
 618                 "end": {
 619                     "character": 8,
 620                     "line": 3
 621                 },
 622                 "start": {
 623                     "character": 7,
 624                     "line": 3
 625                 }
 626             },
 627             "targetUri": "file:///[..]src/main.rs"
 628         }]),
 629     );
 630     server.request::<GotoTypeDefinition>(
 631         GotoDefinitionParams {
 632             text_document_position_params: TextDocumentPositionParams::new(
 633                 server.doc_id("src/main.rs"),
 634                 Position::new(13, 9),
 635             ),
 636             work_done_progress_params: Default::default(),
 637             partial_result_params: Default::default(),
 638         },
 639         json!([{
 640             "originSelectionRange": {
 641                 "end": {
 642                     "character": 10,
 643                     "line": 13
 644                 },
 645                 "start": {
 646                     "character": 8,
 647                     "line":13
 648                 }
 649             },
 650             "targetRange": {
 651                 "end": {
 652                     "character": 9,
 653                     "line": 7
 654                 },
 655                 "start": {
 656                     "character": 0,
 657                     "line":6
 658                 }
 659             },
 660             "targetSelectionRange": {
 661                 "end": {
 662                     "character": 8,
 663                     "line": 7
 664                 },
 665                 "start": {
 666                     "character": 7,
 667                     "line": 7
 668                 }
 669             },
 670             "targetUri": "file:///[..]src/main.rs"
 671         }]),
 672     );
 673 }
 674
 675 #[test]
 676 fn resolve_proc_macro() {
 677     if skip_slow_tests() {
 678         return;
 679     }
 680     let server = Project::with_fixture(
 681         r###"
 682 //- foo/Cargo.toml
 683 [package]
 684 name = "foo"
 685 version = "0.0.0"
 686 edition = "2018"
 687 [dependencies]
 688 bar = {path = "../bar"}
 689
 690 //- foo/src/main.rs
 691 use bar::Bar;
 692 trait Bar {
 693   fn bar();
 694 }
 695 #[derive(Bar)]
 696 struct Foo {}
 697 fn main() {
 698   Foo::bar();
 699 }
 700
 701 //- bar/Cargo.toml
 702 [package]
 703 name = "bar"
 704 version = "0.0.0"
 705 edition = "2018"
 706
 707 [lib]
 708 proc-macro = true
 709
 710 //- bar/src/lib.rs
 711 extern crate proc_macro;
 712 use proc_macro::{Delimiter, Group, Ident, Span, TokenStream, TokenTree};
 713 macro_rules! t {
 714     ($n:literal) => {
 715         TokenTree::from(Ident::new($n, Span::call_site()))
 716     };
 717     ({}) => {
 718         TokenTree::from(Group::new(Delimiter::Brace, TokenStream::new()))
 719     };
 720     (()) => {
 721         TokenTree::from(Group::new(Delimiter::Parenthesis, TokenStream::new()))
 722     };
 723 }
 724 #[proc_macro_derive(Bar)]
 725 pub fn foo(_input: TokenStream) -> TokenStream {
 726     // We hard code the output here for preventing to use any deps
 727     let mut res = TokenStream::new();
 728
 729     // impl Bar for Foo { fn bar() {} }
 730     let mut tokens = vec![t!("impl"), t!("Bar"), t!("for"), t!("Foo")];
 731     let mut fn_stream = TokenStream::new();
 732     fn_stream.extend(vec![t!("fn"), t!("bar"), t!(()), t!({})]);
 733     tokens.push(Group::new(Delimiter::Brace, fn_stream).into());
 734     res.extend(tokens);
 735     res
 736 }
 737
 738 "###,
 739     )
 740     .with_config(|config| {
 741         let macro_srv_path = PathBuf::from(env!("CARGO_BIN_EXE_rust-analyzer"));
 742
 743         config.cargo.load_out_dirs_from_check = true;
 744         config.proc_macro_srv = Some((macro_srv_path, vec!["proc-macro".into()]));
 745     })
 746     .root("foo")
 747     .root("bar")
 748     .server();
 749     server.wait_until_workspace_is_loaded();
 750     let res = server.send_request::<HoverRequest>(HoverParams {
 751         text_document_position_params: TextDocumentPositionParams::new(
 752             server.doc_id("foo/src/main.rs"),
 753             Position::new(7, 9),
 754         ),
 755         work_done_progress_params: Default::default(),
 756     });
 757
 758     let value = res.get("contents").unwrap().get("value").unwrap().to_string();
 759     assert_eq!(value, r#""```rust\nfoo::Bar\n```\n\n```rust\nfn bar()\n```""#)
 760 }