rust/crates/rust-analyzer/tests/heavy_tests/main.rs
2020-05-19 20:29:18 +02:00

791 lines
20 KiB
Rust

mod support;
use std::{collections::HashMap, path::PathBuf, time::Instant};
use lsp_types::{
notification::DidOpenTextDocument,
request::{
CodeActionRequest, Completion, Formatting, GotoDefinition, GotoTypeDefinition, HoverRequest,
},
CodeActionContext, CodeActionParams, CompletionParams, DidOpenTextDocumentParams,
DocumentFormattingParams, FormattingOptions, GotoDefinitionParams, HoverParams,
PartialResultParams, Position, Range, TextDocumentItem, TextDocumentPositionParams,
WorkDoneProgressParams,
};
use rust_analyzer::lsp_ext::{OnEnter, Runnables, RunnablesParams};
use serde_json::json;
use tempfile::TempDir;
use test_utils::skip_slow_tests;
use crate::support::{project, Project};
const PROFILE: &str = "";
// const PROFILE: &'static str = "*@3>100";
#[test]
fn completes_items_from_standard_library() {
if skip_slow_tests() {
return;
}
let project_start = Instant::now();
let server = Project::with_fixture(
r#"
//- Cargo.toml
[package]
name = "foo"
version = "0.0.0"
//- src/lib.rs
use std::collections::Spam;
"#,
)
.with_sysroot(true)
.server();
server.wait_until_workspace_is_loaded();
eprintln!("loading took {:?}", project_start.elapsed());
let completion_start = Instant::now();
let res = server.send_request::<Completion>(CompletionParams {
text_document_position: TextDocumentPositionParams::new(
server.doc_id("src/lib.rs"),
Position::new(0, 23),
),
context: None,
partial_result_params: PartialResultParams::default(),
work_done_progress_params: WorkDoneProgressParams::default(),
});
assert!(format!("{}", res).contains("HashMap"));
eprintln!("completion took {:?}", completion_start.elapsed());
}
#[test]
fn test_runnables_no_project() {
if skip_slow_tests() {
return;
}
let server = project(
r"
//- lib.rs
#[test]
fn foo() {
}
",
);
server.wait_until_workspace_is_loaded();
server.request::<Runnables>(
RunnablesParams { text_document: server.doc_id("lib.rs"), position: None },
json!([
{
"args": [ "test" ],
"extraArgs": [ "foo", "--nocapture" ],
"bin": "cargo",
"env": { "RUST_BACKTRACE": "short" },
"cwd": null,
"label": "test foo",
"range": {
"end": { "character": 1, "line": 2 },
"start": { "character": 0, "line": 0 }
}
},
{
"args": ["check", "--workspace"],
"extraArgs": [],
"bin": "cargo",
"env": {},
"cwd": null,
"label": "cargo check --workspace",
"range": {
"end": { "character": 0, "line": 0 },
"start": { "character": 0, "line": 0 }
}
}
]),
);
}
#[test]
fn test_runnables_project() {
if skip_slow_tests() {
return;
}
let code = r#"
//- foo/Cargo.toml
[package]
name = "foo"
version = "0.0.0"
//- foo/src/lib.rs
pub fn foo() {}
//- foo/tests/spam.rs
#[test]
fn test_eggs() {}
//- bar/Cargo.toml
[package]
name = "bar"
version = "0.0.0"
//- bar/src/main.rs
fn main() {}
"#;
let server = Project::with_fixture(code).root("foo").root("bar").server();
server.wait_until_workspace_is_loaded();
server.request::<Runnables>(
RunnablesParams { text_document: server.doc_id("foo/tests/spam.rs"), position: None },
json!([
{
"args": [ "test", "--package", "foo", "--test", "spam" ],
"extraArgs": [ "test_eggs", "--exact", "--nocapture" ],
"bin": "cargo",
"env": { "RUST_BACKTRACE": "short" },
"label": "test test_eggs",
"range": {
"end": { "character": 17, "line": 1 },
"start": { "character": 0, "line": 0 }
},
"cwd": server.path().join("foo")
},
{
"args": [ "check", "--package", "foo" ],
"extraArgs": [],
"bin": "cargo",
"env": {},
"label": "cargo check -p foo",
"range": {
"end": { "character": 0, "line": 0 },
"start": { "character": 0, "line": 0 }
},
"cwd": server.path().join("foo")
},
{
"args": [ "test", "--package", "foo" ],
"extraArgs": [],
"bin": "cargo",
"env": {},
"label": "cargo test -p foo",
"range": {
"end": { "character": 0, "line": 0 },
"start": { "character": 0, "line": 0 }
},
"cwd": server.path().join("foo")
}
]),
);
}
#[test]
fn test_format_document() {
if skip_slow_tests() {
return;
}
let server = project(
r#"
//- Cargo.toml
[package]
name = "foo"
version = "0.0.0"
//- src/lib.rs
mod bar;
fn main() {
}
pub use std::collections::HashMap;
"#,
);
server.wait_until_workspace_is_loaded();
server.request::<Formatting>(
DocumentFormattingParams {
text_document: server.doc_id("src/lib.rs"),
options: FormattingOptions {
tab_size: 4,
insert_spaces: false,
insert_final_newline: None,
trim_final_newlines: None,
trim_trailing_whitespace: None,
properties: HashMap::new(),
},
work_done_progress_params: WorkDoneProgressParams::default(),
},
json!([
{
"newText": r#"mod bar;
fn main() {}
pub use std::collections::HashMap;
"#,
"range": {
"end": {
"character": 0,
"line": 7
},
"start": {
"character": 0,
"line": 0
}
}
}
]),
);
}
#[test]
fn test_format_document_2018() {
if skip_slow_tests() {
return;
}
let server = project(
r#"
//- Cargo.toml
[package]
name = "foo"
version = "0.0.0"
edition = "2018"
//- src/lib.rs
mod bar;
async fn test() {
}
fn main() {
}
pub use std::collections::HashMap;
"#,
);
server.wait_until_workspace_is_loaded();
server.request::<Formatting>(
DocumentFormattingParams {
text_document: server.doc_id("src/lib.rs"),
options: FormattingOptions {
tab_size: 4,
insert_spaces: false,
properties: HashMap::new(),
insert_final_newline: None,
trim_final_newlines: None,
trim_trailing_whitespace: None,
},
work_done_progress_params: WorkDoneProgressParams::default(),
},
json!([
{
"newText": r#"mod bar;
async fn test() {}
fn main() {}
pub use std::collections::HashMap;
"#,
"range": {
"end": {
"character": 0,
"line": 10
},
"start": {
"character": 0,
"line": 0
}
}
}
]),
);
}
#[test]
fn test_missing_module_code_action() {
if skip_slow_tests() {
return;
}
let server = project(
r#"
//- Cargo.toml
[package]
name = "foo"
version = "0.0.0"
//- src/lib.rs
mod bar;
fn main() {}
"#,
);
server.wait_until_workspace_is_loaded();
let empty_context = || CodeActionContext { diagnostics: Vec::new(), only: None };
server.request::<CodeActionRequest>(
CodeActionParams {
text_document: server.doc_id("src/lib.rs"),
range: Range::new(Position::new(0, 4), Position::new(0, 7)),
context: empty_context(),
partial_result_params: PartialResultParams::default(),
work_done_progress_params: WorkDoneProgressParams::default(),
},
json!([{
"edit": {
"documentChanges": [
{
"kind": "create",
"uri": "file:///[..]/src/bar.rs"
}
]
},
"title": "Create module"
}]),
);
server.request::<CodeActionRequest>(
CodeActionParams {
text_document: server.doc_id("src/lib.rs"),
range: Range::new(Position::new(2, 4), Position::new(2, 7)),
context: empty_context(),
partial_result_params: PartialResultParams::default(),
work_done_progress_params: WorkDoneProgressParams::default(),
},
json!([]),
);
}
#[test]
fn test_missing_module_code_action_in_json_project() {
if skip_slow_tests() {
return;
}
let tmp_dir = TempDir::new().unwrap();
let path = tmp_dir.path();
let project = json!({
"roots": [path],
"crates": [ {
"root_module": path.join("src/lib.rs"),
"deps": [],
"edition": "2015",
"atom_cfgs": [],
"key_value_cfgs": {}
} ]
});
let code = format!(
r#"
//- rust-project.json
{PROJECT}
//- src/lib.rs
mod bar;
fn main() {{}}
"#,
PROJECT = project.to_string(),
);
let server = Project::with_fixture(&code).tmp_dir(tmp_dir).server();
server.wait_until_workspace_is_loaded();
let empty_context = || CodeActionContext { diagnostics: Vec::new(), only: None };
server.request::<CodeActionRequest>(
CodeActionParams {
text_document: server.doc_id("src/lib.rs"),
range: Range::new(Position::new(0, 4), Position::new(0, 7)),
context: empty_context(),
partial_result_params: PartialResultParams::default(),
work_done_progress_params: WorkDoneProgressParams::default(),
},
json!([{
"edit": {
"documentChanges": [
{
"kind": "create",
"uri": "file://[..]/src/bar.rs"
}
]
},
"title": "Create module"
}]),
);
server.request::<CodeActionRequest>(
CodeActionParams {
text_document: server.doc_id("src/lib.rs"),
range: Range::new(Position::new(2, 4), Position::new(2, 7)),
context: empty_context(),
partial_result_params: PartialResultParams::default(),
work_done_progress_params: WorkDoneProgressParams::default(),
},
json!([]),
);
}
#[test]
fn diagnostics_dont_block_typing() {
if skip_slow_tests() {
return;
}
let librs: String = (0..10).map(|i| format!("mod m{};", i)).collect();
let libs: String = (0..10).map(|i| format!("//- src/m{}.rs\nfn foo() {{}}\n\n", i)).collect();
let server = Project::with_fixture(&format!(
r#"
//- Cargo.toml
[package]
name = "foo"
version = "0.0.0"
//- src/lib.rs
{}
{}
fn main() {{}}
"#,
librs, libs
))
.with_sysroot(true)
.server();
server.wait_until_workspace_is_loaded();
for i in 0..10 {
server.notification::<DidOpenTextDocument>(DidOpenTextDocumentParams {
text_document: TextDocumentItem {
uri: server.doc_id(&format!("src/m{}.rs", i)).uri,
language_id: "rust".to_string(),
version: 0,
text: "/// Docs\nfn foo() {}".to_string(),
},
});
}
let start = std::time::Instant::now();
server.request::<OnEnter>(
TextDocumentPositionParams {
text_document: server.doc_id("src/m0.rs"),
position: Position { line: 0, character: 5 },
},
json!({
"cursorPosition": {
"position": { "character": 4, "line": 1 },
"textDocument": { "uri": "file:///[..]src/m0.rs" }
},
"label": "On enter",
"workspaceEdit": {
"documentChanges": [
{
"edits": [
{
"newText": "\n/// ",
"range": {
"end": { "character": 5, "line": 0 },
"start": { "character": 5, "line": 0 }
}
}
],
"textDocument": { "uri": "file:///[..]src/m0.rs", "version": null }
}
]
}
}),
);
let elapsed = start.elapsed();
assert!(elapsed.as_millis() < 2000, "typing enter took {:?}", elapsed);
}
#[test]
fn preserves_dos_line_endings() {
if skip_slow_tests() {
return;
}
let server = Project::with_fixture(
&"
//- Cargo.toml
[package]
name = \"foo\"
version = \"0.0.0\"
//- src/main.rs
/// Some Docs\r\nfn main() {}
",
)
.server();
server.request::<OnEnter>(
TextDocumentPositionParams {
text_document: server.doc_id("src/main.rs"),
position: Position { line: 0, character: 8 },
},
json!({
"cursorPosition": {
"position": { "line": 1, "character": 4 },
"textDocument": { "uri": "file:///[..]src/main.rs" }
},
"label": "On enter",
"workspaceEdit": {
"documentChanges": [
{
"edits": [
{
"newText": "\r\n/// ",
"range": {
"end": { "line": 0, "character": 8 },
"start": { "line": 0, "character": 8 }
}
}
],
"textDocument": { "uri": "file:///[..]src/main.rs", "version": null }
}
]
}
}),
);
}
#[test]
fn out_dirs_check() {
if skip_slow_tests() {
return;
}
let server = Project::with_fixture(
r###"
//- Cargo.toml
[package]
name = "foo"
version = "0.0.0"
//- build.rs
use std::{env, fs, path::Path};
fn main() {
let out_dir = env::var_os("OUT_DIR").unwrap();
let dest_path = Path::new(&out_dir).join("hello.rs");
fs::write(
&dest_path,
r#"pub fn message() -> &'static str { "Hello, World!" }"#,
)
.unwrap();
println!("cargo:rustc-cfg=atom_cfg");
println!("cargo:rustc-cfg=featlike=\"set\"");
println!("cargo:rerun-if-changed=build.rs");
}
//- src/main.rs
include!(concat!(env!("OUT_DIR"), "/hello.rs"));
#[cfg(atom_cfg)]
struct A;
#[cfg(bad_atom_cfg)]
struct A;
#[cfg(featlike = "set")]
struct B;
#[cfg(featlike = "not_set")]
struct B;
fn main() {
let va = A;
let vb = B;
message();
}
fn main() { message(); }
"###,
)
.with_config(|config| {
config.cargo.load_out_dirs_from_check = true;
})
.server();
server.wait_until_workspace_is_loaded();
let res = server.send_request::<GotoDefinition>(GotoDefinitionParams {
text_document_position_params: TextDocumentPositionParams::new(
server.doc_id("src/main.rs"),
Position::new(14, 8),
),
work_done_progress_params: Default::default(),
partial_result_params: Default::default(),
});
assert!(format!("{}", res).contains("hello.rs"));
server.request::<GotoTypeDefinition>(
GotoDefinitionParams {
text_document_position_params: TextDocumentPositionParams::new(
server.doc_id("src/main.rs"),
Position::new(12, 9),
),
work_done_progress_params: Default::default(),
partial_result_params: Default::default(),
},
json!([{
"originSelectionRange": {
"end": {
"character": 10,
"line": 12
},
"start": {
"character": 8,
"line": 12
}
},
"targetRange": {
"end": {
"character": 9,
"line": 3
},
"start": {
"character": 0,
"line": 2
}
},
"targetSelectionRange": {
"end": {
"character": 8,
"line": 3
},
"start": {
"character": 7,
"line": 3
}
},
"targetUri": "file:///[..]src/main.rs"
}]),
);
server.request::<GotoTypeDefinition>(
GotoDefinitionParams {
text_document_position_params: TextDocumentPositionParams::new(
server.doc_id("src/main.rs"),
Position::new(13, 9),
),
work_done_progress_params: Default::default(),
partial_result_params: Default::default(),
},
json!([{
"originSelectionRange": {
"end": {
"character": 10,
"line": 13
},
"start": {
"character": 8,
"line":13
}
},
"targetRange": {
"end": {
"character": 9,
"line": 7
},
"start": {
"character": 0,
"line":6
}
},
"targetSelectionRange": {
"end": {
"character": 8,
"line": 7
},
"start": {
"character": 7,
"line": 7
}
},
"targetUri": "file:///[..]src/main.rs"
}]),
);
}
#[test]
fn resolve_proc_macro() {
if skip_slow_tests() {
return;
}
let server = Project::with_fixture(
r###"
//- foo/Cargo.toml
[package]
name = "foo"
version = "0.0.0"
edition = "2018"
[dependencies]
bar = {path = "../bar"}
//- foo/src/main.rs
use bar::Bar;
trait Bar {
fn bar();
}
#[derive(Bar)]
struct Foo {}
fn main() {
Foo::bar();
}
//- bar/Cargo.toml
[package]
name = "bar"
version = "0.0.0"
edition = "2018"
[lib]
proc-macro = true
//- bar/src/lib.rs
extern crate proc_macro;
use proc_macro::{Delimiter, Group, Ident, Span, TokenStream, TokenTree};
macro_rules! t {
($n:literal) => {
TokenTree::from(Ident::new($n, Span::call_site()))
};
({}) => {
TokenTree::from(Group::new(Delimiter::Brace, TokenStream::new()))
};
(()) => {
TokenTree::from(Group::new(Delimiter::Parenthesis, TokenStream::new()))
};
}
#[proc_macro_derive(Bar)]
pub fn foo(_input: TokenStream) -> TokenStream {
// We hard code the output here for preventing to use any deps
let mut res = TokenStream::new();
// impl Bar for Foo { fn bar() {} }
let mut tokens = vec![t!("impl"), t!("Bar"), t!("for"), t!("Foo")];
let mut fn_stream = TokenStream::new();
fn_stream.extend(vec![t!("fn"), t!("bar"), t!(()), t!({})]);
tokens.push(Group::new(Delimiter::Brace, fn_stream).into());
res.extend(tokens);
res
}
"###,
)
.with_config(|config| {
let macro_srv_path = PathBuf::from(env!("CARGO_BIN_EXE_rust-analyzer"));
config.cargo.load_out_dirs_from_check = true;
config.proc_macro_srv = Some((macro_srv_path, vec!["proc-macro".into()]));
})
.root("foo")
.root("bar")
.server();
server.wait_until_workspace_is_loaded();
let res = server.send_request::<HoverRequest>(HoverParams {
text_document_position_params: TextDocumentPositionParams::new(
server.doc_id("foo/src/main.rs"),
Position::new(7, 9),
),
work_done_progress_params: Default::default(),
});
let value = res.get("contents").unwrap().get("value").unwrap().to_string();
assert_eq!(value, r#""```rust\nfoo::Bar\nfn bar()\n```""#)
}