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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
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;
// 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-L268fn incremental_change_wait(bench: &mut Bencher) {  let deno_exe = test_util::deno_exe_path();  let mut client = LspClient::new(&deno_exe, false).unwrap();
  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();
  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 (id, method, _): (u64, String, Option<Value>) =    client.read_request().unwrap();  assert_eq!(method, "workspace/configuration");  client    .write_response(      id,      json!({        "enable": true      }),    )    .unwrap();
  let (method, _maybe_diag): (String, Option<Value>) =    client.read_notification().unwrap();  assert_eq!(method, "textDocument/publishDiagnostics");
  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();
     wait_for_deno_lint_diagnostic(document_version, &mut client);
    document_version += 1;  })}
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();        for diagnostic in diagnostics {          let source = diagnostic.get("source").unwrap().as_str().unwrap();          if source == "deno-lint" {            return;          }        }      }    } else {      todo!() // handle_misc_message    }  }}
benchmark_group!(benches, incremental_change_wait);benchmark_main!(benches);