public void Name_IsValid_WhenShorterThan18Characters()
{
var name = "abcdefghi";
var runner = new Runner(name, "1/2");
var error = runner.Error;
error.Should().BeEmpty($"because {name} is less than 18 characters long");
}
public void Odds_IsInvalid_WhenContainsLetters()
{
var odds = "a/2";
var runner = new Runner("abcde", odds);
var error = runner.Error;
error.Should().NotBeEmpty($"becuase {odds} contains a letter");
}
public void Name_IsInvalid_WhenLongerThan18Characters()
{
var name = "abcdefghijklmnopqrstuvwxyz";
var runner = new Runner(name, "1/2");
var error = runner.Error;
error.Should().NotBeEmpty($"because {name} is longer than 18 characters");
}
public void Name_IsValid_When18CharactersLong()
{
var name = "abcdefghijklmnopqr";
var runner = new Runner(name, "1/2");
var error = runner.Error;
error.Should().BeEmpty($"because {name} is 18 characters long");
}
public void Name_IsInvalid_WhenEmpty()
{
var name = String.Empty;
var runner = new Runner(name, "1/2");
var error = runner.Error;
error.Should().NotBeEmpty($"because {name} is empty");
}
public void GetMargin_CalculatesMarginCorrectly()
{
var runner = new Runner("Name", "1/2");
Decimal expectedMargin = 100 / (1m / 2m + 1);
Decimal margin = runner.GetMargin();
margin.Should().Be(expectedMargin);
}
public void Odds_IsInvalid_WhenContainsRealAtStart()
{
var odds = "1.5/2";
var runner = new Runner("abcde", odds);
var error = runner.Error;
error.Should().NotBeEmpty($"because {odds} contains a real number");
}
public void Odds_IsValid_WhenInCorrectFormat()
{
var odds = "1/2";
var runner = new Runner("abcde", odds);
var error = runner.Error;
error.Should().BeEmpty($"becuase {odds} is a valid odds string");
}
public void Odds_IsInvalid_WhenDoesNotContainForwardSlash()
{
var odds = "12";
var runner = new Runner("abcde", odds);
var error = runner.Error;
error.Should().NotBeEmpty($"because {odds} does not contain a forward slash");
}
/// <summary>
/// Adds a new <see cref="Runner"/> to <see cref="Runners"/>.
/// </summary>
public void AddRunner()
{
if (!_canAddRunner) return;
Runner runner = new Runner(String.Format(Language.DefaultRunnerName, Runners.Count + 1), Language.DefaultRunnerOdds);
runner.PropertyChanged += Runner_PropertyChanged;
Runners.Add(runner);
ReCalculateRaceMargin();
_canAddRunner = Runners.Count < _maxRunnerCount;
OnPropertyChanged(nameof(CanAddRunner));
}