public async Task ZipPackageFailure_DetectedOnSpecialization()
{
_settings.Add(EnvironmentSettingNames.AzureWebsiteInstanceId, Guid.NewGuid().ToString());
var environment = new TestEnvironment(_settings);
var webHostBuilder = await CreateWebHostBuilderAsync("Windows", environment);
IWebHost host = webHostBuilder.Build();
await host.StartAsync();
Assert.True(environment.IsPlaceholderModeEnabled());
Assert.False(environment.IsContainerReady());
// after the placeholder host is fully initialized but before we specialize
// write the invalid zip marker file
string markerFilePath = Path.Combine(_expectedScriptPath, ScriptConstants.RunFromPackageFailedFileName);
File.WriteAllText(markerFilePath, "test");
// now specialize the host
environment.SetEnvironmentVariable(EnvironmentSettingNames.AzureWebsiteRunFromPackage, "1");
environment.SetEnvironmentVariable(RpcWorkerConstants.FunctionWorkerRuntimeSettingName, "dotnet");
environment.SetEnvironmentVariable(EnvironmentSettingNames.AzureWebsitePlaceholderMode, "0");
environment.SetEnvironmentVariable(EnvironmentSettingNames.AzureWebsiteContainerReady, "1");
Assert.False(environment.IsPlaceholderModeEnabled());
Assert.True(environment.IsContainerReady());
// wait for shutdown to be triggered
var applicationLifetime = host.Services.GetServices <IApplicationLifetime>().Single();
await TestHelpers.RunWithTimeoutAsync(() => applicationLifetime.ApplicationStopping.WaitHandle.WaitOneAsync(), TimeSpan.FromSeconds(30));
// ensure the host was specialized and the expected error was logged
string[] logLines = _loggerProvider.GetAllLogMessages().Where(p => p.FormattedMessage != null).Select(p => p.FormattedMessage).ToArray();
Assert.True(logLines.Contains("Starting host specialization"));
Assert.True(logLines.Contains($"Shutting down host due to presence of {markerFilePath}"));
await host.StopAsync();
host.Dispose();
}
