public void Execute_DeleteNonExistentFunction_ErrorReturned()
{
var fs = new FunctionStorage();
var command = new DeleteFromStorage("name");
const string expectedResult = "name не найдена";
Assert.AreEqual(expectedResult, command.Execute(fs));
}
public void Execute_DeleteExistingFunction_FunctionWillBeDeleted()
{
var fs = new FunctionStorage();
var command = new DeleteFromStorage("name");
fs.Add("name", new Cos());
var res = command.Execute(fs);
const string expectedResult = "Функция удалена";
Assert.AreEqual(expectedResult, res);
}