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Add LSP benchmark mimicking the one on quick-lint-js (#13365)
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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license. | ||
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use deno_bench_util::bencher::benchmark_group; | ||
use deno_bench_util::bencher::benchmark_main; | ||
use deno_bench_util::bencher::Bencher; | ||
use deno_core::serde_json; | ||
use deno_core::serde_json::json; | ||
use deno_core::serde_json::Value; | ||
use test_util::lsp::LspClient; | ||
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// Intended to match the benchmark in quick-lint-js | ||
// https://github.com/quick-lint/quick-lint-js/blob/35207e6616267c6c81be63f47ce97ec2452d60df/benchmark/benchmark-lsp/lsp-benchmarks.cpp#L223-L268 | ||
fn incremental_change_wait(bench: &mut Bencher) { | ||
let deno_exe = test_util::deno_exe_path(); | ||
let mut client = LspClient::new(&deno_exe).unwrap(); | ||
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static FIXTURE_INIT_JSON: &[u8] = | ||
include_bytes!("testdata/initialize_params.json"); | ||
let params: Value = serde_json::from_slice(FIXTURE_INIT_JSON).unwrap(); | ||
let (_, maybe_err) = client | ||
.write_request::<_, _, Value>("initialize", params) | ||
.unwrap(); | ||
assert!(maybe_err.is_none()); | ||
client.write_notification("initialized", json!({})).unwrap(); | ||
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client | ||
.write_notification( | ||
"textDocument/didOpen", | ||
json!({ | ||
"textDocument": { | ||
"uri": "file:///testdata/express-router.js", | ||
"languageId": "javascript", | ||
"version": 0, | ||
"text": include_str!("testdata/express-router.js") | ||
} | ||
}), | ||
) | ||
.unwrap(); | ||
let (method, _maybe_diag): (String, Option<Value>) = | ||
client.read_notification().unwrap(); | ||
assert_eq!(method, "textDocument/publishDiagnostics"); | ||
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let mut document_version: u64 = 0; | ||
bench.iter(|| { | ||
let text = format!("m{:05}", document_version); | ||
client | ||
.write_notification( | ||
"textDocument/didChange", | ||
json!({ | ||
"textDocument": { | ||
"version": document_version, | ||
"uri":"file:///testdata/express-router.js" | ||
}, | ||
"contentChanges": [ | ||
{"text": text, "range":{"start":{"line":506,"character":39},"end":{"line":506,"character":45}}}, | ||
{"text": text, "range":{"start":{"line":507,"character":8},"end":{"line":507,"character":14}}}, | ||
{"text": text, "range":{"start":{"line":509,"character":10},"end":{"line":509,"character":16}}} | ||
] | ||
}) | ||
).unwrap(); | ||
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wait_for_deno_lint_diagnostic(document_version, &mut client); | ||
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document_version += 1; | ||
}) | ||
} | ||
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fn wait_for_deno_lint_diagnostic( | ||
document_version: u64, | ||
client: &mut LspClient, | ||
) { | ||
loop { | ||
let (method, maybe_diag): (String, Option<Value>) = | ||
client.read_notification().unwrap(); | ||
if method == "textDocument/publishDiagnostics" { | ||
let d = maybe_diag.unwrap(); | ||
let msg = d.as_object().unwrap(); | ||
let version = msg.get("version").unwrap().as_u64().unwrap(); | ||
if document_version == version { | ||
let diagnostics = msg.get("diagnostics").unwrap().as_array().unwrap(); | ||
let first = &diagnostics[0]; | ||
let source = first.get("source").unwrap().as_str().unwrap(); | ||
if source == "deno-lint" { | ||
return; | ||
} | ||
} | ||
} else { | ||
todo!() // handle_misc_message | ||
} | ||
} | ||
} | ||
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benchmark_group!(benches, incremental_change_wait); | ||
benchmark_main!(benches); |
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