public async Task MonitorEventsAsync_Succeeds()
{
var newTag = $"MonitorTests-{Guid.NewGuid().ToString().Substring(1, 10)}";
var progressJSONMessage = new Progress <JSONMessage>((m) =>
{
// Status could be 'Pulling from...'
Assert.NotNull(m);
_output.WriteLine($"MonitorEventsAsync_Succeeds: JSONMessage - {m.ID} - {m.Status} {m.From} - {m.Stream}");
});
var wasProgressCalled = false;
var progressMessage = new Progress <Message>((m) =>
{
_output.WriteLine($"MonitorEventsAsync_Succeeds: Message - {m.Action} - {m.Status} {m.From} - {m.Type}");
wasProgressCalled = true;
Assert.NotNull(m);
});
using var cts = CancellationTokenSource.CreateLinkedTokenSource(_cts.Token);
var task = _client.System.MonitorEventsAsync(
new ContainerEventsParameters(),
progressMessage,
cts.Token);
await _client.Images.CreateImageAsync(new ImagesCreateParameters { FromImage = $"{_repositoryName}:{_tag}" }, null, progressJSONMessage, _cts.Token);
await _client.Images.TagImageAsync($"{_repositoryName}:{_tag}", new ImageTagParameters { RepositoryName = _repositoryName, Tag = newTag }, _cts.Token);
await _client.Images.DeleteImageAsync(
name : $"{_repositoryName}:{newTag}",
new ImageDeleteParameters
{
Force = true
},
_cts.Token);
// Give it some time for output operation to complete before cancelling task
await Task.Delay(TimeSpan.FromSeconds(1));
cts.Cancel();
await Assert.ThrowsAsync <TaskCanceledException>(() => task).ConfigureAwait(false);
Assert.True(wasProgressCalled);
}
public async Task CreateImageAsync_TaskCancelled_ThowsTaskCanceledException()
{
using var cts = CancellationTokenSource.CreateLinkedTokenSource(_cts.Token);
var newTag = Guid.NewGuid().ToString();
var newRepositoryName = Guid.NewGuid().ToString();
await _dockerClient.Images.TagImageAsync(
$"{_repositoryName}:{_tag}",
new ImageTagParameters
{
RepositoryName = newRepositoryName,
Tag = newTag,
Force = true
},
cts.Token
);
var createImageTask = _dockerClient.Images.CreateImageAsync(
new ImagesCreateParameters
{
FromImage = $"{newRepositoryName}:{newTag}"
},
null,
new Progress <JSONMessage>((message) => _output.WriteLine(JsonConvert.SerializeObject(message))),
cts.Token);
TimeSpan delay = TimeSpan.FromMilliseconds(5);
cts.CancelAfter(delay);
await Assert.ThrowsAsync <TaskCanceledException>(() => createImageTask);
Assert.True(createImageTask.IsCanceled);
}
