adding knex to integration test

integration-tests/esbuild/basic-test.js

@@ -11,6 +11,7 @@ const tracer = require('../../').init() // dd-trace
 const assert = require('assert')
 const express = require('express')
 const http = require('http')
+require('knex') // has dead code paths for multiple instrumented packages
 
 const app = express()
 const PORT = 31415

integration-tests/esbuild/build.js

@@ -9,7 +9,18 @@ esbuild.build({
   outfile: 'out.js',
   plugins: [ddPlugin],
   platform: 'node',
-  target: ['node16']
+  target: ['node16'],
+  external: [
+    // dead code paths introduced by knex
+    'pg',
+    'mysql2',
+    'better-sqlite3',
+    'sqlite3',
+    'mysql',
+    'oracledb',
+    'pg-query-stream',
+    'tedious'
+  ]
 }).catch((err) => {
   console.error(err) // eslint-disable-line no-console
   process.exit(1)

integration-tests/esbuild/package.json

@@ -19,6 +19,7 @@
   "license": "ISC",
   "dependencies": {
     "esbuild": "0.16.12",
-    "express": "^4.16.2"
+    "express": "^4.16.2",
+    "knex": "^2.4.2"
   }
 }

package.json

@@ -120,6 +120,7 @@
     "graphql": "0.13.2",
     "int64-buffer": "^0.1.9",
     "jszip": "^3.5.0",
+    "knex": "^2.4.2",
     "mkdirp": "^0.5.1",
     "mocha": "8",
     "msgpack-lite": "^0.1.26",