public void GeneratedMethods_WithOutParams_DoNotCauseDeadlocks()
{
var traceWriter = new TestTraceWriter(TraceLevel.Verbose);
ScriptHostConfiguration config = new ScriptHostConfiguration()
{
RootScriptPath = @"TestScripts\FunctionGeneration",
TraceWriter = traceWriter
};
using (var manager = new WebScriptHostManager(config))
{
Thread runLoopThread = new Thread(_ =>
{
manager.RunAndBlock(CancellationToken.None);
});
runLoopThread.IsBackground = true;
runLoopThread.Start();
while (!manager.IsRunning)
{
Thread.Sleep(100);
}
FunctionDescriptor function = manager.GetHttpFunctionOrNull(new Uri("http://localhost/api/httptrigger-csharp"));
var request = new HttpRequestMessage(HttpMethod.Get, "http://localhost/api/httptrigger-csharp");
SynchronizationContext currentContext = SynchronizationContext.Current;
var resetEvent = new ManualResetEventSlim();
try
{
var requestThread = new Thread(() =>
{
var context = new SingleThreadSynchronizationContext();
SynchronizationContext.SetSynchronizationContext(context);
manager.HandleRequestAsync(function, request, CancellationToken.None)
.ContinueWith(task => resetEvent.Set());
Thread.Sleep(500);
context.Run();
});
requestThread.IsBackground = true;
requestThread.Start();
bool threadSignaled = resetEvent.Wait(TimeSpan.FromSeconds(10));
requestThread.Abort();
Assert.True(threadSignaled, "Thread execution did not complete");
}
finally
{
SynchronizationContext.SetSynchronizationContext(currentContext);
manager.Stop();
}
}
}
public void Dispose()
{
if (_manager != null)
{
_manager.Stop();
_manager.Dispose();
}
_secretsDirectory.Dispose();
}
public async Task EmptyHost_StartsSuccessfully()
{
await _fixture.InitializationTask;
string functionTestDir = Path.Combine(_fixture.TestFunctionRoot, Guid.NewGuid().ToString());
Directory.CreateDirectory(functionTestDir);
// important for the repro that these directories no not exist
string logDir = Path.Combine(_fixture.TestLogsRoot, Guid.NewGuid().ToString());
string secretsDir = Path.Combine(_fixture.TestSecretsRoot, Guid.NewGuid().ToString());
JObject hostConfig = new JObject
{
{ "id", "123456" }
};
File.WriteAllText(Path.Combine(functionTestDir, ScriptConstants.HostMetadataFileName), hostConfig.ToString());
ScriptHostConfiguration config = new ScriptHostConfiguration
{
RootScriptPath = functionTestDir,
RootLogPath = logDir,
FileLoggingMode = FileLoggingMode.Always
};
string connectionString = AmbientConnectionStringProvider.Instance.GetConnectionString(ConnectionStringNames.Storage);
ISecretsRepository repository = new BlobStorageSecretsRepository(secretsDir, connectionString, "EmptyHost_StartsSuccessfully");
ISecretManager secretManager = new SecretManager(_settingsManager, repository, null);
WebHostSettings webHostSettings = new WebHostSettings();
webHostSettings.SecretsPath = _secretsDirectory.Path;
var mockEventManager = new Mock <IScriptEventManager>();
IWebJobsRouter router = _fixture.CreateRouter();
ScriptHostManager hostManager = new WebScriptHostManager(config, new TestSecretManagerFactory(secretManager), mockEventManager.Object, _settingsManager, webHostSettings, router, NullLoggerFactory.Instance);
Task runTask = Task.Run(() => hostManager.RunAndBlock());
await TestHelpers.Await(() => hostManager.State == ScriptHostState.Running, timeout : 10000);
hostManager.Stop();
Assert.Equal(ScriptHostState.Default, hostManager.State);
// give some time for the logs to be flushed fullly
await Task.Delay(FileWriter.LogFlushIntervalMs * 3);
string hostLogFilePath = Directory.EnumerateFiles(Path.Combine(logDir, "Host")).Single();
string hostLogs = File.ReadAllText(hostLogFilePath);
Assert.Contains("Generating 0 job function(s)", hostLogs);
Assert.Contains("No job functions found.", hostLogs);
Assert.Contains("Job host started", hostLogs);
Assert.Contains("Job host stopped", hostLogs);
}
public async Task MultipleHostRestarts()
{
string functionTestDir = Path.Combine(_fixture.TestFunctionRoot, Guid.NewGuid().ToString());
Directory.CreateDirectory(functionTestDir);
string logDir = Path.Combine(_fixture.TestLogsRoot, Guid.NewGuid().ToString());
string secretsDir = Path.Combine(_fixture.TestSecretsRoot, Guid.NewGuid().ToString());
ScriptHostConfiguration config = new ScriptHostConfiguration
{
RootLogPath = logDir,
RootScriptPath = functionTestDir,
FileLoggingMode = FileLoggingMode.Always,
};
ISecretsRepository repository = new FileSystemSecretsRepository(_secretsDirectory.Path);
SecretManager secretManager = new SecretManager(_settingsManager, repository, NullTraceWriter.Instance, null);
WebHostSettings webHostSettings = new WebHostSettings();
webHostSettings.SecretsPath = _secretsDirectory.Path;
var mockEventManager = new Mock <IScriptEventManager>();
var factoryMock = new Mock <IScriptHostFactory>();
int count = 0;
factoryMock.Setup(p => p.Create(It.IsAny <IScriptHostEnvironment>(), It.IsAny <IScriptEventManager>(), _settingsManager, config)).Callback(() =>
{
count++;
}).Throws(new Exception("Kaboom!"));
ScriptHostManager hostManager = new WebScriptHostManager(config, new TestSecretManagerFactory(secretManager), mockEventManager.Object,
_settingsManager, webHostSettings, factoryMock.Object);
Task runTask = Task.Run(() => hostManager.RunAndBlock());
await TestHelpers.Await(() =>
{
return(count > 3);
});
hostManager.Stop();
Assert.Equal(ScriptHostState.Default, hostManager.State);
// regression test: previously on multiple restarts we were recomposing
// the writer on each restart, resulting in a nested chain of writers
// increasing on each restart
Assert.Equal(typeof(SystemTraceWriter), config.TraceWriter.GetType());
}
internal async Task GeneratedMethods_WithOutParams_DoNotCauseDeadlocks(string fixture)
{
var traceWriter = new TestTraceWriter(TraceLevel.Verbose);
ScriptHostConfiguration config = new ScriptHostConfiguration()
{
RootScriptPath = @"TestScripts\FunctionGeneration",
TraceWriter = traceWriter
};
string secretsPath = Path.Combine(Path.GetTempPath(), @"FunctionTests\Secrets");
ISecretsRepository repository = new FileSystemSecretsRepository(secretsPath);
WebHostSettings webHostSettings = new WebHostSettings();
webHostSettings.SecretsPath = secretsPath;
var secretManager = new SecretManager(SettingsManager, repository, NullTraceWriter.Instance);
using (var manager = new WebScriptHostManager(config, new TestSecretManagerFactory(secretManager), SettingsManager, webHostSettings))
{
Thread runLoopThread = new Thread(_ =>
{
manager.RunAndBlock(CancellationToken.None);
});
runLoopThread.IsBackground = true;
runLoopThread.Start();
await TestHelpers.Await(() =>
{
return(manager.State == ScriptHostState.Running);
});
var request = new HttpRequestMessage(HttpMethod.Get, String.Format("http://localhost/api/httptrigger-{0}", fixture));
FunctionDescriptor function = manager.GetHttpFunctionOrNull(request);
SynchronizationContext currentContext = SynchronizationContext.Current;
var resetEvent = new ManualResetEventSlim();
try
{
var requestThread = new Thread(() =>
{
var context = new SingleThreadSynchronizationContext();
SynchronizationContext.SetSynchronizationContext(context);
manager.HandleRequestAsync(function, request, CancellationToken.None)
.ContinueWith(task => resetEvent.Set());
Thread.Sleep(500);
context.Run();
});
requestThread.IsBackground = true;
requestThread.Start();
bool threadSignaled = resetEvent.Wait(TimeSpan.FromSeconds(10));
requestThread.Abort();
Assert.True(threadSignaled, "Thread execution did not complete");
}
finally
{
SynchronizationContext.SetSynchronizationContext(currentContext);
manager.Stop();
}
}
}