public void Can_execute_nested_Normal_command_from_Normal_parent_on_same_thread()
{
int nestedCommandThreadId = -1;
int parentCommandThreadId = -1;
var nestedCommandExecuted = false;
var nestedCommand = new TestCommand(commandHandler, "nested", CommandExecutionMode.Normal, () =>
{
nestedCommandThreadId = Thread.CurrentThread.ManagedThreadId;
nestedCommandExecuted = true;
});
commandHandler.RegisterCommand(nestedCommand.Command);
var parentCommand = new TestCommand(commandHandler, "cmd1", CommandExecutionMode.Normal, () =>
{
parentCommandThreadId = Thread.CurrentThread.ManagedThreadId;
commandHandler.InvokeSyntax(",nested");
});
commandHandler.RegisterCommand(parentCommand.Command);
commandHandler.InvokeSyntax(",cmd1");
parentCommand.WaitForInitialization();
nestedCommand.WaitForAdditionalAction();
nestedCommandExecuted.Should().BeTrue();
commandHandler.RunningCommands.Select(c => c.Name).Should().Contain("cmd1");
commandHandler.RunningCommands.Select(c => c.Name).Should().NotContain("nested");
nestedCommandThreadId.Should().NotBe(-1);
parentCommandThreadId.Should().NotBe(-1);
nestedCommandThreadId.Should().Be(parentCommandThreadId);
nestedCommand.Finish();
parentCommand.Finish();
}
public void Can_list_Normal_commands_executing_Normal_nested_command_multipletimes()
{
var nestedCommand = new TestCommand(commandHandler, "nested", CommandExecutionMode.Normal, () => { });
commandHandler.RegisterCommand(nestedCommand.Command);
var command = new TestCommand(commandHandler, "cmd1", () => commandHandler.InvokeSyntax(",nested"));
commandHandler.RegisterCommand(command.Command);
for (int i = 0; i < 100; i++)
{
nestedCommand.Reset();
command.Reset();
commandHandler.InvokeSyntax(",cmd1");
nestedCommand.WaitForAdditionalAction();
commandHandler.RunningCommands.Select(x => x.Name).Should().Contain("cmd1");
commandHandler.RunningCommands.Select(x => x.Name).Should().NotContain("nested");
nestedCommand.Finish();
command.Finish();
command.WaitForFinished();
commandHandler.RunningCommands.Should().BeEmpty();
}
}
public void Can_terminate_all_running_commands_multiple_times()
{
var command1 = new TestCommand(commandHandler, "cmd1", () => DoSomeCancellableAction());
commandHandler.RegisterCommand(command1.Command);
var command2 = new TestCommand(commandHandler, "cmd2", () => DoSomeCancellableAction());
commandHandler.RegisterCommand(command2.Command);
for (var i = 0; i < 10; i++)
{
command1.Reset();
command2.Reset();
commandHandler.InvokeSyntax(",cmd1");
command1.WaitForInitialization();
commandHandler.InvokeSyntax(",cmd2");
command2.WaitForInitialization();
commandHandler.RunningCommands.Should().NotBeEmpty();
commandHandler.BeginTerminate();
command1.Finish();
command1.WaitForFinished().Should().BeTrue();
command2.Finish();
command2.WaitForFinished().Should().BeTrue();
commandHandler.RunningCommands.Should().BeEmpty();
}
}
public void Exception_thrown_from_nested_command_propagates_to_parent_command()
{
bool nestedCommandExecuted = false;
var nestedCommand = new TestCommand(commandHandler, "nested", CommandExecutionMode.Normal, () =>
{
nestedCommandExecuted = true;
throw new InvalidOperationException();
});
commandHandler.RegisterCommand(nestedCommand.Command);
bool exceptionThrownFromNestedCommand = false;
var parentCommand = new TestCommand(commandHandler, "parent", () =>
{
try
{
commandHandler.InvokeSyntax(",nested");
}
catch (InvalidOperationException)
{
exceptionThrownFromNestedCommand = true;
}
});
commandHandler.RegisterCommand(parentCommand.Command);
nestedCommand.Finish();
parentCommand.Finish();
commandHandler.InvokeSyntax(",parent");
parentCommand.WaitForFinished();
nestedCommandExecuted.Should().BeTrue();
exceptionThrownFromNestedCommand.Should().BeTrue();
}
public void Can_execute_nested_command_When_AlwaysParallel()
{
var nestedCommandExecuted = false;
var nestedCommand = new TestCommand(commandHandler, "nested", CommandExecutionMode.AlwaysParallel, () => nestedCommandExecuted = true);
commandHandler.RegisterCommand(nestedCommand.Command);
var command = new TestCommand(commandHandler, "cmd1", () => commandHandler.InvokeSyntax(",nested"));
commandHandler.RegisterCommand(command.Command);
nestedCommand.Reset();
command.Reset();
commandHandler.InvokeSyntax(",cmd1");
command.WaitForInitialization();
nestedCommand.WaitForInitialization();
nestedCommand.WaitForAdditionalAction();
nestedCommandExecuted.Should().BeTrue();
commandHandler.RunningCommands.Select(c => c.Name).Should().Contain("cmd1");
commandHandler.RunningCommands.Select(c => c.Name).Should().Contain("nested");
nestedCommand.Finish();
command.Finish();
nestedCommand.WaitForFinished();
command.WaitForFinished();
}
public void Can_execute_Direct_command_on_caller_thread()
{
int commandThread = -1;
var command = new TestCommand(commandHandler, "cmd1", CommandExecutionMode.Direct, () => commandThread = Thread.CurrentThread.ManagedThreadId);
commandHandler.RegisterCommand(command.Command);
command.Finish();
commandHandler.InvokeSyntax(",cmd1");
command.WaitForAdditionalAction();
commandThread.Should().Be(Thread.CurrentThread.ManagedThreadId);
}
public void Can_terminate_only_specific_running_command()
{
var command = new TestCommand(commandHandler, "cmd", () => DoSomeCancellableAction());
commandHandler.RegisterCommand(command.Command);
commandHandler.InvokeSyntax(",cmd");
command.WaitForInitialization();
commandHandler.Terminate("non_existing_command");
command.Finish();
command.WaitForFinished(TimeSpan.FromMilliseconds(50)).Should().BeFalse();
}
public void Can_tell_whether_a_command_is_running()
{
var command1 = new TestCommand("cmd1");
commandHandler.RegisterCommand(command1.Command);
commandHandler.InvokeSyntax(",cmd1");
command1.WaitForInitialization();
commandHandler.IsCommandRunning("cmd1").Should().BeTrue("cmd1 command is running");
commandHandler.IsCommandRunning("cmd2").Should().BeFalse("cmd2 command is not running");
command1.Finish();
}
public void Cannot_execute_same_commands_in_parallel()
{
int executionCount = 0;
var command = new TestCommand(commandHandler, "cmd1", () => executionCount++);
commandHandler.RegisterCommand(command.Command);
commandHandler.InvokeSyntax(",cmd1");
commandHandler.InvokeSyntax(",cmd1");
command.Finish();
command.WaitForFinished();
executionCount.Should().Be(1);
}
public void Can_terminate_Normal_command_with_custom_CancellationTokenSource()
{
var command = new TestCommand(commandHandler, "cmd1", CommandExecutionMode.Normal, () => { DoSomeCancellableAction(); });
commandHandler.RegisterCommand(command.Command);
CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
commandHandler.InvokeSyntax(",cmd1", null, cancellationTokenSource);
cancellationTokenSource.Cancel();
command.Finish();
command.WaitForFinished().Should().BeTrue();
commandHandler.RunningCommands.Should().BeEmpty();
}
public void Can_terminate_Direct_command_with_custom_CancellationTokenSource()
{
var command = new TestCommand(commandHandler, "cmd1", CommandExecutionMode.Direct, () => { DoSomeCancellableAction(); });
commandHandler.RegisterCommand(command.Command);
CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
// ReSharper disable once MethodSupportsCancellation
Task.Run(() => commandHandler.InvokeSyntax(",cmd1", null, cancellationTokenSource));
command.Finish();
cancellationTokenSource.Cancel();
command.WaitForFinished().Should().BeTrue();
commandHandler.RunningCommands.Should().BeEmpty();
}
public void Can_call_Terminate_for_Direct_command_without_custom_CancellationTokenSource()
{
var command = new TestCommand(commandHandler, "cmd1", CommandExecutionMode.Direct, () => { });
commandHandler.RegisterCommand(command.Command);
// ReSharper disable once MethodSupportsCancellation
Task.Run(() => commandHandler.InvokeSyntax(",cmd1"));
command.WaitForAdditionalAction();
commandHandler.BeginTerminate();
commandHandler.CommandNames.Should().Contain("cmd1", "Direct command without custom cancellation token cannot be terminated, to support special commands like ,terminate.");
command.Finish();
}
public void Can_remove_finished_command_from_list()
{
var finishedCommand = new TestCommand(commandHandler, "finished_cmd", () => { });
commandHandler.RegisterCommand(finishedCommand.Command);
commandHandler.InvokeSyntax(",finished_cmd");
finishedCommand.Finish();
finishedCommand.WaitForFinished();
var runningCommand = new TestCommand("running_cmd");
commandHandler.RegisterCommand(runningCommand.Command);
commandHandler.InvokeSyntax(",running_cmd");
runningCommand.WaitForInitialization();
commandHandler.RunningCommands.Select(c => c.Name).Should().NotContain("finished_cmd");
commandHandler.RunningCommands.Select(c => c.Name).Should().Contain("running_cmd");
}
public void TerminateAll_terminates_normal_commands()
{
var command = new TestCommand(commandHandler, "normalcmd", CommandExecutionMode.Normal, () =>
{
DoSomeCancellableAction();
});
commandHandler.RegisterCommand(command.Command);
commandHandler.InvokeSyntax(",normalcmd");
command.WaitForInitialization();
command.Finish();
commandHandler.TerminateAll();
command.WaitForFinished(TimeSpan.FromMilliseconds(100)).Should()
.BeTrue("normal command should not run after non-specific terminate all");
commandHandler.RunningCommands.Select(x => x.Name).Should().NotContain("normalcmd");
}
public void Can_list_running_commands()
{
var command1 = new TestCommand("cmd1");
var command2 = new TestCommand("cmd2");
commandHandler.RegisterCommand(command1.Command);
commandHandler.RegisterCommand(command2.Command);
commandHandler.InvokeSyntax(",cmd1");
commandHandler.InvokeSyntax(",cmd2");
command1.WaitForInitialization();
command2.WaitForInitialization();
commandHandler.RunningCommands.Select(c => c.Name).Should().Contain("cmd1", "cmd2");
command1.Finish();
command2.Finish();
}
public void Specific_Terminate_terminates_background_command()
{
var command = new TestCommand(commandHandler, "backgroundcmd", CommandExecutionMode.Background, () =>
{
DoSomeCancellableAction();
});
commandHandler.RegisterCommand(command.Command);
commandHandler.InvokeSyntax(",backgroundcmd");
command.WaitForInitialization();
command.Finish();
commandHandler.Terminate("backgroundcmd");
command.WaitForFinished(TimeSpan.FromMilliseconds(100)).Should()
.BeTrue("background command didn't finish");
commandHandler.RunningCommands.Select(x => x.Name).Should().NotContain("backgroundcmd");
}
public void Non_specific_Terminate_does_not_terminate_background_commands()
{
var command = new TestCommand(commandHandler, "backgroundcmd", CommandExecutionMode.Background, () =>
{
DoSomeCancellableAction();
});
commandHandler.RegisterCommand(command.Command);
commandHandler.InvokeSyntax(",backgroundcmd");
command.WaitForInitialization();
command.Finish();
commandHandler.BeginTerminate();
command.WaitForFinished(TimeSpan.FromMilliseconds(100)).Should()
.BeFalse("background command should still run after non-specific terminate");
commandHandler.RunningCommands.Select(x => x.Name).Should().Contain("backgroundcmd");
}
public void Can_terminate_parent_command_executing_Normal_nested_command()
{
var nestedCommand = new TestCommand(commandHandler, "nested", CommandExecutionMode.Normal, () => DoSomeCancellableAction());
commandHandler.RegisterCommand(nestedCommand.Command);
var parentCommand = new TestCommand(commandHandler, "parent", () => commandHandler.InvokeSyntax(",nested"));
commandHandler.RegisterCommand(parentCommand.Command);
commandHandler.InvokeSyntax(",parent");
parentCommand.WaitForInitialization();
commandHandler.Terminate("parent");
nestedCommand.Finish();
parentCommand.Finish();
parentCommand.WaitForFinished().Should().BeTrue();
commandHandler.RunningCommands.Should().BeEmpty();
}
public void Can_execute_nested_Normal_command_from_Direct_parent()
{
var nestedCommandExecuted = false;
var nestedCommand = new TestCommand(commandHandler, "nested", CommandExecutionMode.Normal,
() =>
{
nestedCommandExecuted = true;
commandHandler.RunningCommands.Select(c => c.Name).Should().Contain("parent");
commandHandler.RunningCommands.Select(c => c.Name).Should().NotContain("nested");
});
commandHandler.RegisterCommand(nestedCommand.Command);
var parentCommand = new TestCommand(commandHandler, "parent", CommandExecutionMode.Direct,
() => commandHandler.InvokeSyntax(",nested"));
commandHandler.RegisterCommand(parentCommand.Command);
nestedCommand.Finish();
parentCommand.Finish();
commandHandler.InvokeSyntax(",parent");
nestedCommandExecuted.Should().BeTrue();
}