public void GivenOneMessageIsInvalid_WhenSendMultipleMessages_MustSendAtLeastTheValidMessages()
{
_testee.MonitorEvents();
// PLC sends valid handshake
_tagListener
.Setup(t => t.ReadTagSynchronously(It.IsAny <Tag>()))
.Callback <Tag>(tag => { tag.Value = DataStateEnum.DataChannelFree; });
int writeCalls = 0;
_tagController
.Setup(t => t.WriteTag(It.IsAny <Tag>(), It.IsAny <object>()))
.Callback(() => writeCalls++);
Action act = () =>
{
var udt = new ValidDataUdtTest();
var invalidUdt = new InvalidDataUdtTest();
_testee.AddAsyncWriteTask(_tag, udt);
_testee.AddAsyncWriteTask(_tag, invalidUdt);
_testee.AddAsyncWriteTask(_tag, udt);
_testee.WaitWriteComplete();
};
act.ShouldNotThrow("DataChannelManager must never throw an exception, but only error events");
_testee.ShouldRaise("CommunicationProblemOccured");
writeCalls.Should().Be(2, "2 messages are valid and 1 is invalid (should be skipped)");
}
public void WhenWriteWrongDataUdtToChannel_MustThrowException()
{
_testee.MonitorEvents();
Action act = () =>
{
var udt = new InvalidDataUdtTest();
_testee.AddAsyncWriteTask(_tag, udt);
_testee.WaitWriteComplete();
};
act.ShouldNotThrow("DataChannelManager must never throw an exception, but only error events");
_testee.ShouldRaise("CommunicationProblemOccured");
}
