public void Should_run_successfully_if_data_does_not_exist()
{
using (var consoleOutCatcher = new StringWriter())
{
Console.SetOut(consoleOutCatcher);
TrainsConsole.Main(new string[] {});
Assert.That(consoleOutCatcher.ToString(), Is.StringStarting("Test Input"));
Assert.That(consoleOutCatcher.ToString(), Is.Not.StringContaining("An error occurred:"));
}
}
public void Should_output_error_messages_and_not_throw_exceptions_if_data_does_not_exist()
{
using (var consoleOutCatcher = new StringWriter())
{
Console.SetOut(consoleOutCatcher);
Assert.DoesNotThrow(() => TrainsConsole.Main(new[] { "no-data.txt" }));
const string expectedErrorMessage = "An error occurred: System.IO.FileNotFoundException - Routing data file could not be found";
Assert.That(consoleOutCatcher.ToString(), Is.StringStarting(expectedErrorMessage));
}
}
