public async Task ReplayMethodHappyPath2()
{
Func <IReceiverMessage, Task> capturedCallback = null;
Action <DateTime, DateTime?, Func <IReceiverMessage, Task>, string, string, bool, AutoOffsetReset> mockReplayEngineCallback =
(start, end, callback, topic, bootstrapServers, enableAutoOffsetStore, autoOffsetReset) =>
{
capturedCallback = callback;
};
var mockReplayEngine = new Mock <IReplayEngine>();
mockReplayEngine.Setup(m => m.Replay(It.IsAny <DateTime>(), It.IsAny <DateTime?>(), It.IsAny <Func <IReceiverMessage, Task> >(),
It.IsAny <string>(), It.IsAny <string>(), It.IsAny <bool>(), It.IsAny <AutoOffsetReset>()))
.Returns(Task.CompletedTask)
.Callback(mockReplayEngineCallback);
var mockMessageHandler = new Mock <IMessageHandler>();
mockMessageHandler.Setup(m => m.OnMessageReceivedAsync(It.IsAny <IReceiver>(), It.IsAny <IReceiverMessage>()))
.Returns(Task.CompletedTask);
var receiver =
new KafkaReceiver("name", "one_topic", "groupId", "servers", true, AutoOffsetReset.Earliest, mockReplayEngine.Object);
receiver.MessageHandler = mockMessageHandler.Object;
var expectedStart = new DateTime(2020, 9, 3, 20, 22, 58, DateTimeKind.Local).ToUniversalTime();
var expectedEnd = new DateTime(2020, 9, 3, 20, 23, 19, DateTimeKind.Local).ToUniversalTime();
await receiver.Replay(expectedStart, expectedEnd, null);
mockReplayEngine.Verify(m =>
m.Replay(expectedStart, expectedEnd, It.IsAny <Func <IReceiverMessage, Task> >(), "one_topic", "servers", true, AutoOffsetReset.Earliest),
Times.Once());
capturedCallback.Should().NotBeNull();
var message = new FakeReceiverMessage("Hello, world!");
await capturedCallback(message);
mockMessageHandler.Verify(m => m.OnMessageReceivedAsync(receiver, message), Times.Once());
}
public async Task ReplayMethodHappyPath1()
{
var mockReplayEngine = new Mock <IReplayEngine>();
mockReplayEngine.Setup(m => m.Replay(It.IsAny <DateTime>(), It.IsAny <DateTime?>(), It.IsAny <Func <IReceiverMessage, Task> >(),
It.IsAny <string>(), It.IsAny <string>(), It.IsAny <bool>(), It.IsAny <AutoOffsetReset>()))
.Returns(Task.CompletedTask);
var receiver =
new KafkaReceiver("name", "one_topic", "groupId", "servers", true, AutoOffsetReset.Earliest, mockReplayEngine.Object);
var start = new DateTime(2020, 9, 3, 20, 22, 58, DateTimeKind.Local).ToUniversalTime();
var end = new DateTime(2020, 9, 3, 20, 23, 19, DateTimeKind.Local).ToUniversalTime();
Func <IReceiverMessage, Task> callback = message => Task.CompletedTask;
await receiver.Replay(start, end, callback);
mockReplayEngine.Verify(m =>
m.Replay(start, end, callback, "one_topic", "servers", true, AutoOffsetReset.Earliest),
Times.Once());
}
public async Task ReplayMethodSadPath()
{
var mockReplayEngine = new Mock <IReplayEngine>();
mockReplayEngine.Setup(m => m.Replay(It.IsAny <DateTime>(), It.IsAny <DateTime?>(), It.IsAny <Func <IReceiverMessage, Task> >(),
It.IsAny <string>(), It.IsAny <string>(), It.IsAny <bool>(), It.IsAny <AutoOffsetReset>()))
.Returns(Task.CompletedTask);
var receiver =
new KafkaReceiver("name", "one_topic", "groupId", "servers", true, AutoOffsetReset.Earliest, mockReplayEngine.Object);
var start = new DateTime(2020, 9, 3, 20, 22, 58, DateTimeKind.Local).ToUniversalTime();
var end = new DateTime(2020, 9, 3, 20, 23, 19, DateTimeKind.Local).ToUniversalTime();
Func <Task> act = async() => await receiver.Replay(start, end, null);
(await act.Should().ThrowExactlyAsync <InvalidOperationException>())
.WithMessage("Replay cannot be called with a null 'callback' parameter before the receiver has been started.");
mockReplayEngine.Verify(m =>
m.Replay(It.IsAny <DateTime>(), It.IsAny <DateTime?>(), It.IsAny <Func <IReceiverMessage, Task> >(),
It.IsAny <string>(), It.IsAny <string>(), It.IsAny <bool>(), It.IsAny <AutoOffsetReset>()),
Times.Never());
}