public static async Task CollectAsync(DateTime testStartTime, CancellationToken token)
{
string prefix = $"{Context.Current.DeviceId}-{TestContext.CurrentContext.Test.NormalizedName()}";
IEnumerable <string> paths = await EdgeLogs.CollectAsync(testStartTime, prefix, token);
foreach (string path in paths)
{
TestContext.AddTestAttachment(path);
}
}
// Make an effort to collect logs, but swallow any exceptions to prevent tests/fixtures
// from failing if this function fails.
public static async Task CollectAsync(DateTime testStartTime, CancellationToken token)
{
try
{
string prefix = $"{Context.Current.DeviceId}-{TestContext.CurrentContext.Test.NormalizedName()}";
IEnumerable <string> paths = await EdgeLogs.CollectAsync(testStartTime, prefix, token);
foreach (string path in paths)
{
TestContext.AddTestAttachment(path);
}
}
catch (Exception e)
{
Log.Warning("Log collection failed for context " +
$"'{TestContext.CurrentContext.Test.Name}' with exception:\n{e.ToString()}");
}
}
public async Task TeardownAsync()
{
await Profiler.Run(
async() =>
{
this.cts.Dispose();
if (TestContext.CurrentContext.Result.Outcome != ResultState.Ignored)
{
using (var cts = new CancellationTokenSource(Context.Current.TeardownTimeout))
{
string prefix = $"{Context.Current.DeviceId}-{TestContext.CurrentContext.Test.NormalizedName()}";
IEnumerable <string> paths = await EdgeLogs.CollectAsync(this.testStartTime, prefix, cts.Token);
foreach (string path in paths)
{
TestContext.AddTestAttachment(path);
}
}
}
},
"Completed test teardown");
}
public async Task Setup()
{
await Profiler.Run(
async() =>
{
// Set up logging
LogEventLevel consoleLevel = Context.Current.Verbose
? LogEventLevel.Verbose
: LogEventLevel.Information;
var loggerConfig = new LoggerConfiguration()
.MinimumLevel.Verbose()
.WriteTo.NUnit(consoleLevel);
Context.Current.LogFile.ForEach(f => loggerConfig.WriteTo.File(f));
Log.Logger = loggerConfig.CreateLogger();
// Install IoT Edge
using (var cts = new CancellationTokenSource(Context.Current.SetupTimeout))
{
// NUnit's [Timeout] attribute isn't supported in .NET Standard
// and even if it were, it doesn't run the teardown method when
// a test times out. We need teardown to run, to remove the
// device registration from IoT Hub and stop the daemon. So
// we have our own timeout mechanism.
DateTime startTime = DateTime.Now;
CancellationToken token = cts.Token;
Assert.IsNull(this.device);
this.device = await EdgeDevice.GetOrCreateIdentityAsync(
Context.Current.DeviceId,
this.iotHub,
token);
await this.daemon.UninstallAsync(token);
await this.daemon.InstallAsync(
this.device.ConnectionString,
Context.Current.PackagePath,
Context.Current.Proxy,
token);
try
{
await this.daemon.WaitForStatusAsync(EdgeDaemonStatus.Running, token);
var agent = new EdgeAgent(this.device.Id, this.iotHub);
await agent.WaitForStatusAsync(EdgeModuleStatus.Running, token);
await agent.PingAsync(token);
}
// ReSharper disable once RedundantCatchClause
catch
{
throw;
}
finally
{
string prefix = $"{Context.Current.DeviceId}-{TestContext.CurrentContext.Test.NormalizedName()}";
IEnumerable <string> paths = await EdgeLogs.CollectAsync(startTime, prefix, token);
foreach (string path in paths)
{
TestContext.AddTestAttachment(path);
}
}
}
},
"Completed end-to-end test setup");
}
