public void capture_standard_output()
{
//Arrange
var asFound = Console.Out;
try
{
var current_level = new nutility.InputInstanceReplLevel("UC-2", new cli1.RootInput());
var tree = new nutility.Tree <string, nutility.InputReplLevel> {
Value = current_level
};
var input_lines = new[] { "-f1 -n=-132" };
var reader = new StringReader(Common.asTextContent(input_lines));
var writer = new StringWriter();
Console.SetOut(writer);
var repl = new nutility.REPL {
Reader = reader, Writer = writer
};
//Act
repl.Loop(tree);
//Assert
Assert.IsTrue($"{writer}".Contains("N: -132"));
}
finally
{
Console.SetOut(asFound);
}
}
private void @new(string key, nutility.Tree <string, InputReplLevel> tree)
{
if (reserved.ContainsKey(key) || key.StartsWith("?"))
{
Writer.WriteLine($"For clarity, please choose another id because '{key}' is reserved.");
}
else if (tree.ContainsKey(key))
{
Writer.WriteLine($"{key} already identifies an existing input class or input instance.");
}
else
{
InputClassReplLevel current_class = tree.Value as InputClassReplLevel;
if (current_class == null)
{
Writer.WriteLine($"A new input instance is currently supported only on input class levels.");
}
else
{
var new_instance = Activator.CreateInstance(current_class.InputClass);
var new_level = new nutility.InputInstanceReplLevel(key, new_instance);
tree[new_level.ID] = new nutility.Tree <string, nutility.InputReplLevel> {
Value = new_level, Parent = tree
};
Writer.WriteLine($"\t{key} ({current_class.InputClass.FullName})");
}
}
}
public void capture_TextWriter()
{
//Arrange
var input_lines = new[] { "x1 -f1 -n=43" };
var reader = new StringReader(Common.asTextContent(input_lines));
var repl = new nutility.REPL {
Reader = reader
};
var level_writer = new StringWriter();
var current_level = new nutility.InputInstanceReplLevel("x1", new InputY(level_writer));
var tree = new nutility.Tree <string, nutility.InputReplLevel> {
Value = current_level
};
//Act
repl.Loop(tree);
//Assert
Assert.AreEqual("N: 43\r\n", $"{level_writer}");
}