Update Node.js Worker Version to 3.8.1 (#9473)

[Release Notes](https://github.com/Azure/azure-functions-nodejs-worker/releases/tag/v3.8.1)

And fix flaky Node.js tests

Author: ejizba

release_notes.md

@@ -6,3 +6,4 @@
 - Increase timeout for http proxying requests [#9433](https://github.com/Azure/azure-functions-host/pull/9433)
 - Improve host.json sanitization
 - Increased maximum HTTP request content size to 210000000 Bytes (~200MB)
+- Update Node.js Worker Version to [3.8.1](https://github.com/Azure/azure-functions-nodejs-worker/releases/tag/v3.8.1)

src/WebJobs.Script/WebJobs.Script.csproj

@@ -58,7 +58,7 @@
     <!-- Workers -->
     <PackageReference Include="Microsoft.Azure.AppService.Proxy.Client" Version="2.2.20220831.41" />
     <PackageReference Include="Microsoft.Azure.Functions.JavaWorker" Version="2.12.1" />
-    <PackageReference Include="Microsoft.Azure.Functions.NodeJsWorker" Version="3.8.0" />
+    <PackageReference Include="Microsoft.Azure.Functions.NodeJsWorker" Version="3.8.1" />
     <PackageReference Include="Microsoft.Azure.Functions.PowerShellWorker.PS7.0" Version="4.0.2850" />
     <PackageReference Include="Microsoft.Azure.Functions.PowerShellWorker.PS7.2" Version="4.0.2890" />
     <PackageReference Include="Microsoft.Azure.Functions.PowerShellWorker.PS7.4" Version="4.0.2802" />

test/WebJobs.Script.Tests.Integration/TestScripts/Node/index.js

@@ -0,0 +1,9 @@
+const func = require('@azure/functions-core');
+
+func.registerHook('postInvocation', async () => {
+    // Add slight delay to ensure logs show up before the invocation finishes
+    // See these issues for more info:
+    // https://github.com/Azure/azure-functions-host/issues/9238
+    // https://github.com/Azure/azure-functions-host/issues/8222
+    await new Promise((resolve) => setTimeout(resolve, 100));
+});

test/WebJobs.Script.Tests.Integration/TestScripts/Node/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "nodeapp",
+  "version": "1.0.0",
+  "description": "",
+  "scripts": {
+    "start": "func start",
+    "test": "echo \"No tests yet...\""
+  },
+  "dependencies": {},
+  "devDependencies": {},
+  "main": "index.js"
+}

test/WebJobs.Script.Tests.Integration/WebHostEndToEnd/NodeEndToEndTests.cs

@@ -205,24 +205,19 @@ await TestHelpers.Await(() =>
 
             // verify log levels in traces
             LogMessage[] traces = Fixture.Host.GetScriptHostLogMessages(userCategory).Where(t => t.FormattedMessage != null && t.FormattedMessage.Contains("loglevel")).ToArray();
-            Assert.Equal(LogLevel.Information, traces[0].Level);
-            Assert.Equal("loglevel default", traces[0].FormattedMessage);
-            Assert.Equal(LogLevel.Information, traces[1].Level);
-            Assert.Equal("loglevel info", traces[1].FormattedMessage);
-            Assert.Equal(LogLevel.Trace, traces[2].Level);
-            Assert.Equal("loglevel verbose", traces[2].FormattedMessage);
-            Assert.Equal(LogLevel.Warning, traces[3].Level);
-            Assert.Equal("loglevel warn", traces[3].FormattedMessage);
-            Assert.Equal(LogLevel.Error, traces[4].Level);
-            Assert.Equal("loglevel error", traces[4].FormattedMessage);
+            Assert.True(traces.Any(t => t.Level == LogLevel.Information && t.FormattedMessage == "loglevel default" ));
+            Assert.True(traces.Any(t => t.Level == LogLevel.Information && t.FormattedMessage == "loglevel info" ));
+            Assert.True(traces.Any(t => t.Level == LogLevel.Trace && t.FormattedMessage == "loglevel verbose" ));
+            Assert.True(traces.Any(t => t.Level == LogLevel.Warning && t.FormattedMessage == "loglevel warn" ));
+            Assert.True(traces.Any(t => t.Level == LogLevel.Error && t.FormattedMessage == "loglevel error" ));
 
             // verify most of the logs look correct
-            Assert.EndsWith("Mathew Charles", userLogs[1]);
-            Assert.EndsWith("null", userLogs[2]);
-            Assert.EndsWith("1234", userLogs[3]);
-            Assert.EndsWith("true", userLogs[4]);
-            Assert.EndsWith("loglevel default", userLogs[5]);
-            Assert.EndsWith("loglevel info", userLogs[6]);
+            Assert.True(userLogs.Contains("Mathew Charles"));
+            Assert.True(userLogs.Contains("null"));
+            Assert.True(userLogs.Contains("1234"));
+            Assert.True(userLogs.Contains("true"));
+            Assert.True(userLogs.Contains("loglevel default"));
+            Assert.True(userLogs.Contains("loglevel info"));
 
             // verify the console log
             Assert.Equal("console log", consoleLog);

test/WebJobs.Script.Tests.Integration/WebJobs.Script.Tests.Integration.csproj

@@ -42,7 +42,7 @@
     <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="6.0.0" />
     <PackageReference Include="Microsoft.Azure.DocumentDB.Core" Version="2.11.2" />
     <PackageReference Include="Microsoft.Azure.EventHubs" Version="2.1.0" />
-    <PackageReference Include="Microsoft.Azure.Functions.NodeJsWorker" Version="3.8.0" />
+    <PackageReference Include="Microsoft.Azure.Functions.NodeJsWorker" Version="3.8.1" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.Storage" Version="4.0.5-11874" />
     <PackageReference Include="Microsoft.Azure.Functions.JavaWorker" Version="2.12.1" />
     <PackageReference Include="Microsoft.Azure.Mobile.Client" Version="4.0.2" />