[VSC-6] Add didChange benchmark

src/server/bench/benchmark.ts

@@ -0,0 +1,85 @@
+import { readFileSync } from 'node:fs';
+import { DocumentSymbol, Hover } from 'vscode-languageserver/node';
+import { URI } from 'vscode-uri';
+import { createBenchmark, Setup, wait } from './helpers';
+import { join } from 'node:path';
+
+createBenchmark('didChange', async (setup: Setup) => {
+    const file = join(
+        setup.rootUri.fsPath,
+        'src',
+        'game_launcher_backend',
+        'launchpad',
+        'swap.mo',
+    );
+    const fileUri = URI.file(file);
+    const document = {
+        uri: `${fileUri}`,
+        version: 1,
+        text: readFileSync(file, 'utf-8'),
+    };
+
+    await setup.sendNotification('textDocument/didOpen', {
+        textDocument: {
+            ...document,
+            languageId: 'motoko',
+        },
+    });
+
+    await setup.sendNotification('workspace/didChangeConfiguration', {
+        settings: {
+            motoko: {
+                dfx: 'dfx',
+                legacyLanguageServer: true,
+                maxNumberOfProblems: 100,
+                hideWarningRegex: '',
+                trace: {
+                    server: 'verbose',
+                },
+                debugHover: false,
+                canister: '',
+                formatter: 'prettier',
+            },
+        },
+    });
+
+    await setup.benchmark<DocumentSymbol>('textDocument/documentSymbol', {
+        textDocument: { uri: document.uri },
+    });
+
+    await setup.benchmark<Hover>('textDocument/hover', {
+        textDocument: { uri: document.uri },
+        position: { line: 14, character: 15 },
+    });
+
+    await wait(3);
+
+    await setup.benchmark<Hover>('textDocument/hover', {
+        textDocument: { uri: document.uri },
+        position: { line: 14, character: 15 },
+    });
+
+    document.version++;
+    await setup.sendNotification(
+        'textDocument/didChange',
+        {
+            textDocument: {
+                uri: document.uri,
+                version: document.version,
+            },
+            contentChanges: [
+                {
+                    text: document.text,
+                },
+            ],
+        },
+        100,
+    );
+
+    await wait(0.5);
+
+    await setup.benchmark<Hover>('textDocument/hover', {
+        textDocument: { uri: document.uri },
+        position: { line: 64, character: 14 },
+    });
+});