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": {
  81                 "cargoArgs": ["test"],
  82                 "executableArgs": ["foo", "--nocapture"],
  83               },
  84               "kind": "cargo",
  85               "label": "test foo",
  86               "location": {
  87                 "targetRange": {
  88                   "end": { "character": 1, "line": 2 },
  89                   "start": { "character": 0, "line": 0 }
  90                 },
  91                 "targetSelectionRange": {
  92                   "end": { "character": 6, "line": 1 },
  93                   "start": { "character": 3, "line": 1 }
  94                 },
  95                 "targetUri": "file:///[..]/lib.rs"
  96               }
  97             },
  98             {
  99               "args": {
 100                 "cargoArgs": ["check", "--workspace"],
 101                 "executableArgs": [],
 102               },
 103               "kind": "cargo",
 104               "label": "cargo check --workspace"
 105             }
 106         ]),
 107     );
 108 }
 109
 110 #[test]
 111 fn test_runnables_project() {
 112     if skip_slow_tests() {
 113         return;
 114     }
 115
 116     let code = r#"
 117 //- foo/Cargo.toml
 118 [package]
 119 name = "foo"
 120 version = "0.0.0"
 121
 122 //- foo/src/lib.rs
 123 pub fn foo() {}
 124
 125 //- foo/tests/spam.rs
 126 #[test]
 127 fn test_eggs() {}
 128
 129 //- bar/Cargo.toml
 130 [package]
 131 name = "bar"
 132 version = "0.0.0"
 133
 134 //- bar/src/main.rs
 135 fn main() {}
 136 "#;
 137
 138     let server = Project::with_fixture(code).root("foo").root("bar").server();
 139
 140     server.wait_until_workspace_is_loaded();
 141     server.request::<Runnables>(
 142         RunnablesParams { text_document: server.doc_id("foo/tests/spam.rs"), position: None },
 143         json!([
 144           {
 145             "args": {
 146               "cargoArgs": ["test", "--package", "foo", "--test", "spam"],
 147               "executableArgs": ["test_eggs", "--exact", "--nocapture"],
 148               "workspaceRoot": server.path().join("foo")
 149             },
 150             "kind": "cargo",
 151             "label": "test test_eggs",
 152             "location": {
 153               "targetRange": {
 154                 "end": { "character": 17, "line": 1 },
 155                 "start": { "character": 0, "line": 0 }
 156               },
 157               "targetSelectionRange": {
 158                 "end": { "character": 12, "line": 1 },
 159                 "start": { "character": 3, "line": 1 }
 160               },
 161               "targetUri": "file:///[..]/tests/spam.rs"
 162             }
 163           },
 164           {
 165             "args": {
 166               "cargoArgs": ["check", "--package", "foo"],
 167               "executableArgs": [],
 168               "workspaceRoot": server.path().join("foo")
 169             },
 170             "kind": "cargo",
 171             "label": "cargo check -p foo"
 172           },
 173           {
 174             "args": {
 175               "cargoArgs": ["test", "--package", "foo"],
 176               "executableArgs": [],
 177               "workspaceRoot": server.path().join("foo")
 178             },
 179             "kind": "cargo",
 180             "label": "cargo test -p foo"
 181           }
 182         ]),
 183     );
 184 }
 185
 186 #[test]
 187 fn test_format_document() {
 188     if skip_slow_tests() {
 189         return;
 190     }
 191
 192     let server = project(
 193         r#"
 194 //- Cargo.toml
 195 [package]
 196 name = "foo"
 197 version = "0.0.0"
 198
 199 //- src/lib.rs
 200 mod bar;
 201
 202 fn main() {
 203 }
 204
 205 pub use std::collections::HashMap;
 206 "#,
 207     );
 208     server.wait_until_workspace_is_loaded();
 209
 210     server.request::<Formatting>(
 211         DocumentFormattingParams {
 212             text_document: server.doc_id("src/lib.rs"),
 213             options: FormattingOptions {
 214                 tab_size: 4,
 215                 insert_spaces: false,
 216                 insert_final_newline: None,
 217                 trim_final_newlines: None,
 218                 trim_trailing_whitespace: None,
 219                 properties: HashMap::new(),
 220             },
 221             work_done_progress_params: WorkDoneProgressParams::default(),
 222         },
 223         json!([
 224             {
 225                 "newText": r#"mod bar;
 226
 227 fn main() {}
 228
 229 pub use std::collections::HashMap;
 230 "#,
 231                 "range": {
 232                     "end": {
 233                         "character": 0,
 234                         "line": 7
 235                     },
 236                     "start": {
 237                         "character": 0,
 238                         "line": 0
 239                     }
 240                 }
 241             }
 242         ]),
 243     );
 244 }
 245
 246 #[test]
 247 fn test_format_document_2018() {
 248     if skip_slow_tests() {
 249         return;
 250     }
 251
 252     let server = project(
 253         r#"
 254 //- Cargo.toml
 255 [package]
 256 name = "foo"
 257 version = "0.0.0"
 258 edition = "2018"
 259
 260 //- src/lib.rs
 261 mod bar;
 262
 263 async fn test() {
 264 }
 265
 266 fn main() {
 267 }
 268
 269 pub use std::collections::HashMap;
 270 "#,
 271     );
 272     server.wait_until_workspace_is_loaded();
 273
 274     server.request::<Formatting>(
 275         DocumentFormattingParams {
 276             text_document: server.doc_id("src/lib.rs"),
 277             options: FormattingOptions {
 278                 tab_size: 4,
 279                 insert_spaces: false,
 280                 properties: HashMap::new(),
 281                 insert_final_newline: None,
 282                 trim_final_newlines: None,
 283                 trim_trailing_whitespace: None,
 284             },
 285             work_done_progress_params: WorkDoneProgressParams::default(),
 286         },
 287         json!([
 288             {
 289                 "newText": r#"mod bar;
 290
 291 async fn test() {}
 292
 293 fn main() {}
 294
 295 pub use std::collections::HashMap;
 296 "#,
 297                 "range": {
 298                     "end": {
 299                         "character": 0,
 300                         "line": 10
 301                     },
 302                     "start": {
 303                         "character": 0,
 304                         "line": 0
 305                     }
 306                 }
 307             }
 308         ]),
 309     );
 310 }
 311
 312 #[test]
 313 fn test_missing_module_code_action() {
 314     if skip_slow_tests() {
 315         return;
 316     }
 317
 318     let server = project(
 319         r#"
 320 //- Cargo.toml
 321 [package]
 322 name = "foo"
 323 version = "0.0.0"
 324
 325 //- src/lib.rs
 326 mod bar;
 327
 328 fn main() {}
 329 "#,
 330     );
 331     server.wait_until_workspace_is_loaded();
 332     let empty_context = || CodeActionContext { diagnostics: Vec::new(), only: None };
 333     server.request::<CodeActionRequest>(
 334         CodeActionParams {
 335             text_document: server.doc_id("src/lib.rs"),
 336             range: Range::new(Position::new(0, 4), Position::new(0, 7)),
 337             context: empty_context(),
 338             partial_result_params: PartialResultParams::default(),
 339             work_done_progress_params: WorkDoneProgressParams::default(),
 340         },
 341         json!([{
 342             "edit": {
 343               "documentChanges": [
 344                 {
 345                   "kind": "create",
 346                   "uri": "file:///[..]/src/bar.rs"
 347                 }
 348               ]
 349             },
 350             "title": "Create module"
 351         }]),
 352     );
 353
 354     server.request::<CodeActionRequest>(
 355         CodeActionParams {
 356             text_document: server.doc_id("src/lib.rs"),
 357             range: Range::new(Position::new(2, 4), Position::new(2, 7)),
 358             context: empty_context(),
 359             partial_result_params: PartialResultParams::default(),
 360             work_done_progress_params: WorkDoneProgressParams::default(),
 361         },
 362         json!([]),
 363     );
 364 }
 365
 366 #[test]
 367 fn test_missing_module_code_action_in_json_project() {
 368     if skip_slow_tests() {
 369         return;
 370     }
 371
 372     let tmp_dir = TempDir::new().unwrap();
 373
 374     let path = tmp_dir.path();
 375
 376     let project = json!({
 377         "roots": [path],
 378         "crates": [ {
 379             "root_module": path.join("src/lib.rs"),
 380             "deps": [],
 381             "edition": "2015",
 382             "atom_cfgs": [],
 383             "key_value_cfgs": {}
 384         } ]
 385     });
 386
 387     let code = format!(
 388         r#"
 389 //- rust-project.json
 390 {PROJECT}
 391
 392 //- src/lib.rs
 393 mod bar;
 394
 395 fn main() {{}}
 396 "#,
 397         PROJECT = project.to_string(),
 398     );
 399
 400     let server = Project::with_fixture(&code).tmp_dir(tmp_dir).server();
 401
 402     server.wait_until_workspace_is_loaded();
 403     let empty_context = || CodeActionContext { diagnostics: Vec::new(), only: None };
 404     server.request::<CodeActionRequest>(
 405         CodeActionParams {
 406             text_document: server.doc_id("src/lib.rs"),
 407             range: Range::new(Position::new(0, 4), Position::new(0, 7)),
 408             context: empty_context(),
 409             partial_result_params: PartialResultParams::default(),
 410             work_done_progress_params: WorkDoneProgressParams::default(),
 411         },
 412         json!([{
 413             "edit": {
 414               "documentChanges": [
 415                 {
 416                   "kind": "create",
 417                   "uri": "file://[..]/src/bar.rs"
 418                 }
 419               ]
 420             },
 421             "title": "Create module"
 422         }]),
 423     );
 424
 425     server.request::<CodeActionRequest>(
 426         CodeActionParams {
 427             text_document: server.doc_id("src/lib.rs"),
 428             range: Range::new(Position::new(2, 4), Position::new(2, 7)),
 429             context: empty_context(),
 430             partial_result_params: PartialResultParams::default(),
 431             work_done_progress_params: WorkDoneProgressParams::default(),
 432         },
 433         json!([]),
 434     );
 435 }
 436
 437 #[test]
 438 fn diagnostics_dont_block_typing() {
 439     if skip_slow_tests() {
 440         return;
 441     }
 442
 443     let librs: String = (0..10).map(|i| format!("mod m{};", i)).collect();
 444     let libs: String = (0..10).map(|i| format!("//- src/m{}.rs\nfn foo() {{}}\n\n", i)).collect();
 445     let server = Project::with_fixture(&format!(
 446         r#"
 447 //- Cargo.toml
 448 [package]
 449 name = "foo"
 450 version = "0.0.0"
 451
 452 //- src/lib.rs
 453 {}
 454
 455 {}
 456
 457 fn main() {{}}
 458 "#,
 459         librs, libs
 460     ))
 461     .with_sysroot(true)
 462     .server();
 463
 464     server.wait_until_workspace_is_loaded();
 465     for i in 0..10 {
 466         server.notification::<DidOpenTextDocument>(DidOpenTextDocumentParams {
 467             text_document: TextDocumentItem {
 468                 uri: server.doc_id(&format!("src/m{}.rs", i)).uri,
 469                 language_id: "rust".to_string(),
 470                 version: 0,
 471                 text: "/// Docs\nfn foo() {}".to_string(),
 472             },
 473         });
 474     }
 475     let start = std::time::Instant::now();
 476     server.request::<OnEnter>(
 477         TextDocumentPositionParams {
 478             text_document: server.doc_id("src/m0.rs"),
 479             position: Position { line: 0, character: 5 },
 480         },
 481         json!([{
 482             "insertTextFormat": 2,
 483             "newText": "\n/// $0",
 484             "range": {
 485             "end": { "character": 5, "line": 0 },
 486             "start": { "character": 5, "line": 0 }
 487             }
 488         }]),
 489     );
 490     let elapsed = start.elapsed();
 491     assert!(elapsed.as_millis() < 2000, "typing enter took {:?}", elapsed);
 492 }
 493
 494 #[test]
 495 fn preserves_dos_line_endings() {
 496     if skip_slow_tests() {
 497         return;
 498     }
 499
 500     let server = Project::with_fixture(
 501         &"
 502 //- Cargo.toml
 503 [package]
 504 name = \"foo\"
 505 version = \"0.0.0\"
 506
 507 //- src/main.rs
 508 /// Some Docs\r\nfn main() {}
 509 ",
 510     )
 511     .server();
 512
 513     server.request::<OnEnter>(
 514         TextDocumentPositionParams {
 515             text_document: server.doc_id("src/main.rs"),
 516             position: Position { line: 0, character: 8 },
 517         },
 518         json!([{
 519             "insertTextFormat": 2,
 520             "newText": "\r\n/// $0",
 521             "range": {
 522             "end": { "line": 0, "character": 8 },
 523             "start": { "line": 0, "character": 8 }
 524             }
 525         }]),
 526     );
 527 }
 528
 529 #[test]
 530 fn out_dirs_check() {
 531     if skip_slow_tests() {
 532         return;
 533     }
 534
 535     let server = Project::with_fixture(
 536         r###"
 537 //- Cargo.toml
 538 [package]
 539 name = "foo"
 540 version = "0.0.0"
 541
 542 //- build.rs
 543 use std::{env, fs, path::Path};
 544
 545 fn main() {
 546     let out_dir = env::var_os("OUT_DIR").unwrap();
 547     let dest_path = Path::new(&out_dir).join("hello.rs");
 548     fs::write(
 549         &dest_path,
 550         r#"pub fn message() -> &'static str { "Hello, World!" }"#,
 551     )
 552     .unwrap();
 553     println!("cargo:rustc-cfg=atom_cfg");
 554     println!("cargo:rustc-cfg=featlike=\"set\"");
 555     println!("cargo:rerun-if-changed=build.rs");
 556 }
 557 //- src/main.rs
 558 include!(concat!(env!("OUT_DIR"), "/hello.rs"));
 559
 560 #[cfg(atom_cfg)]
 561 struct A;
 562 #[cfg(bad_atom_cfg)]
 563 struct A;
 564 #[cfg(featlike = "set")]
 565 struct B;
 566 #[cfg(featlike = "not_set")]
 567 struct B;
 568
 569 fn main() {
 570     let va = A;
 571     let vb = B;
 572     message();
 573 }
 574
 575 fn main() { message(); }
 576 "###,
 577     )
 578     .with_config(|config| {
 579         config.cargo.load_out_dirs_from_check = true;
 580     })
 581     .server();
 582     server.wait_until_workspace_is_loaded();
 583     let res = server.send_request::<GotoDefinition>(GotoDefinitionParams {
 584         text_document_position_params: TextDocumentPositionParams::new(
 585             server.doc_id("src/main.rs"),
 586             Position::new(14, 8),
 587         ),
 588         work_done_progress_params: Default::default(),
 589         partial_result_params: Default::default(),
 590     });
 591     assert!(format!("{}", res).contains("hello.rs"));
 592     server.request::<GotoTypeDefinition>(
 593         GotoDefinitionParams {
 594             text_document_position_params: TextDocumentPositionParams::new(
 595                 server.doc_id("src/main.rs"),
 596                 Position::new(12, 9),
 597             ),
 598             work_done_progress_params: Default::default(),
 599             partial_result_params: Default::default(),
 600         },
 601         json!([{
 602             "originSelectionRange": {
 603                 "end": {
 604                     "character": 10,
 605                     "line": 12
 606                 },
 607                 "start": {
 608                     "character": 8,
 609                     "line": 12
 610                 }
 611             },
 612             "targetRange": {
 613                 "end": {
 614                     "character": 9,
 615                     "line": 3
 616                 },
 617                 "start": {
 618                     "character": 0,
 619                     "line": 2
 620                 }
 621             },
 622             "targetSelectionRange": {
 623                 "end": {
 624                     "character": 8,
 625                     "line": 3
 626                 },
 627                 "start": {
 628                     "character": 7,
 629                     "line": 3
 630                 }
 631             },
 632             "targetUri": "file:///[..]src/main.rs"
 633         }]),
 634     );
 635     server.request::<GotoTypeDefinition>(
 636         GotoDefinitionParams {
 637             text_document_position_params: TextDocumentPositionParams::new(
 638                 server.doc_id("src/main.rs"),
 639                 Position::new(13, 9),
 640             ),
 641             work_done_progress_params: Default::default(),
 642             partial_result_params: Default::default(),
 643         },
 644         json!([{
 645             "originSelectionRange": {
 646                 "end": {
 647                     "character": 10,
 648                     "line": 13
 649                 },
 650                 "start": {
 651                     "character": 8,
 652                     "line":13
 653                 }
 654             },
 655             "targetRange": {
 656                 "end": {
 657                     "character": 9,
 658                     "line": 7
 659                 },
 660                 "start": {
 661                     "character": 0,
 662                     "line":6
 663                 }
 664             },
 665             "targetSelectionRange": {
 666                 "end": {
 667                     "character": 8,
 668                     "line": 7
 669                 },
 670                 "start": {
 671                     "character": 7,
 672                     "line": 7
 673                 }
 674             },
 675             "targetUri": "file:///[..]src/main.rs"
 676         }]),
 677     );
 678 }
 679
 680 #[test]
 681 fn resolve_proc_macro() {
 682     if skip_slow_tests() {
 683         return;
 684     }
 685     let server = Project::with_fixture(
 686         r###"
 687 //- foo/Cargo.toml
 688 [package]
 689 name = "foo"
 690 version = "0.0.0"
 691 edition = "2018"
 692 [dependencies]
 693 bar = {path = "../bar"}
 694
 695 //- foo/src/main.rs
 696 use bar::Bar;
 697 trait Bar {
 698   fn bar();
 699 }
 700 #[derive(Bar)]
 701 struct Foo {}
 702 fn main() {
 703   Foo::bar();
 704 }
 705
 706 //- bar/Cargo.toml
 707 [package]
 708 name = "bar"
 709 version = "0.0.0"
 710 edition = "2018"
 711
 712 [lib]
 713 proc-macro = true
 714
 715 //- bar/src/lib.rs
 716 extern crate proc_macro;
 717 use proc_macro::{Delimiter, Group, Ident, Span, TokenStream, TokenTree};
 718 macro_rules! t {
 719     ($n:literal) => {
 720         TokenTree::from(Ident::new($n, Span::call_site()))
 721     };
 722     ({}) => {
 723         TokenTree::from(Group::new(Delimiter::Brace, TokenStream::new()))
 724     };
 725     (()) => {
 726         TokenTree::from(Group::new(Delimiter::Parenthesis, TokenStream::new()))
 727     };
 728 }
 729 #[proc_macro_derive(Bar)]
 730 pub fn foo(_input: TokenStream) -> TokenStream {
 731     // We hard code the output here for preventing to use any deps
 732     let mut res = TokenStream::new();
 733
 734     // impl Bar for Foo { fn bar() {} }
 735     let mut tokens = vec![t!("impl"), t!("Bar"), t!("for"), t!("Foo")];
 736     let mut fn_stream = TokenStream::new();
 737     fn_stream.extend(vec![t!("fn"), t!("bar"), t!(()), t!({})]);
 738     tokens.push(Group::new(Delimiter::Brace, fn_stream).into());
 739     res.extend(tokens);
 740     res
 741 }
 742
 743 "###,
 744     )
 745     .with_config(|config| {
 746         let macro_srv_path = PathBuf::from(env!("CARGO_BIN_EXE_rust-analyzer"));
 747
 748         config.cargo.load_out_dirs_from_check = true;
 749         config.proc_macro_srv = Some((macro_srv_path, vec!["proc-macro".into()]));
 750     })
 751     .root("foo")
 752     .root("bar")
 753     .server();
 754     server.wait_until_workspace_is_loaded();
 755     let res = server.send_request::<HoverRequest>(HoverParams {
 756         text_document_position_params: TextDocumentPositionParams::new(
 757             server.doc_id("foo/src/main.rs"),
 758             Position::new(7, 9),
 759         ),
 760         work_done_progress_params: Default::default(),
 761     });
 762
 763     let value = res.get("contents").unwrap().get("value").unwrap().to_string();
 764     assert_eq!(value, r#""```rust\nfoo::Bar\n```\n\n```rust\nfn bar()\n```""#)
 765 }