public async Task LineHandlerAndWriteLine()
{
var prompt = cmd.Build();
var outWriter = new StringWriter();
Console.SetOut(outWriter);
var inStream = new MemoryStream();
await inStream.WriteLineAsync("test");
await inStream.WriteLineAsync("exit");
Console.SetIn(inStream.GetReader());
const string line = "testline";
await prompt.SetLineHandler(async (k) =>
{
cmd.WriteLine(line);
await Task.CompletedTask;
}).Run();
var p = await prompt.PopulatePrompt();
Assert.AreEqual(p + line + "\r\n" + p + p + p, outWriter.CleanOutput());
}
public async Task Defaults()
{
var defaults = cmd.Build();
var outWriter = new StringWriter();
Console.SetOut(outWriter);
Console.SetIn(await InputCommand("exit"));
await defaults.SetLineHandler(async (k) => await Task.CompletedTask)
.Run();
Assert.AreEqual(await defaults.PopulatePrompt(), outWriter.CleanOutput());
}
public async Task QuitLine()
{
var prompt = cmd.Build();
var outWriter = new StringWriter();
Console.SetOut(outWriter);
Console.SetIn(await InputCommand("quit"));
await prompt.SetLineHandler(async (k) => await Task.CompletedTask)
.SetQuitLine("quit")
.Run();
Assert.AreEqual(await prompt.PopulatePrompt(), outWriter.CleanOutput());
}
public async Task CustomPrompt()
{
var prompt = cmd.Build();
var outWriter = new StringWriter();
Console.SetOut(outWriter);
Console.SetIn(await InputCommand("exit"));
var newPrompt = "hello > ";
await prompt.SetLineHandler(async (k) => await Task.CompletedTask)
.SetPopulatePromptAction(async() => await Task.FromResult(newPrompt))
.Run();
Assert.AreEqual(newPrompt, outWriter.CleanOutput());
}
public async Task OnStartup()
{
var prompt = cmd.Build();
var outWriter = new StringWriter();
Console.SetOut(outWriter);
Console.SetIn(await InputCommand("exit"));
prompt.SetLineHandler(async(k) => await Task.CompletedTask);
var didRun = false;
await prompt.SetOnStartupAction(async() =>
{
didRun = true;
await Task.CompletedTask;
}).Run();
Assert.AreEqual(await prompt.PopulatePrompt(), outWriter.CleanOutput());
Assert.IsTrue(didRun);
}
public async Task LineHandlerUnhandledException()
{
var prompt = cmd.Build();
var outWriter = new StringWriter();
Console.SetOut(outWriter);
var inStream = new MemoryStream();
await inStream.WriteLineAsync("test");
await inStream.WriteLineAsync("exit");
Console.SetIn(inStream.GetReader());
const string exceptionMessage = "test exception";
await prompt.SetLineHandler((_) => throw new Exception(exceptionMessage))
.Run();
var p = await prompt.PopulatePrompt();
Assert.AreEqual(p + "Unhandled Exception: Useful.Tests - " + exceptionMessage + "\r\n" + p + p + p, outWriter.CleanOutput());
}
