private async Task <bool> InitializeInstanceAsync()
{
InstanceAdminClient instanceAdminClient = await InstanceAdminClient.CreateAsync();
InstanceName instanceName = InstanceName.FromProjectInstance(ProjectId, InstanceId);
try
{
Instance response = await instanceAdminClient.GetInstanceAsync(instanceName);
return(true);
}
catch (RpcException ex) when(ex.Status.StatusCode == StatusCode.NotFound)
{
CreateInstanceSample createInstanceSample = new CreateInstanceSample();
await SafeCreateInstanceAsync(() => Task.FromResult(createInstanceSample.CreateInstance(ProjectId, InstanceId)));
return(false);
}
}
public void TestCreateInstance()
{
CreateInstanceSample createInstanceSample = new CreateInstanceSample();
RpcException exception;
int attempt = 0;
while (true)
{
// Instance already exists since it was created in the test setup so it should throw an exception.
exception = Assert.Throws <RpcException>(() => createInstanceSample.CreateInstance(_spannerFixture.ProjectId, _spannerFixture.InstanceId));
attempt++;
// Retry the test if we get a temporary Unavailable error.
if (StatusCode.Unavailable == exception.StatusCode && attempt < MaxAttempts)
{
var delay = ExtractRetryDelay(exception);
Thread.Sleep(delay.Milliseconds);
continue;
}
break;
}
Assert.Equal(StatusCode.AlreadyExists, exception.StatusCode);
}
