public void OneOutParameterExpressionTest()
{
var ruleReturningAFixedValue = new ExpressionFuncRule <int>(() => int.MaxValue);
var compileResult = ruleReturningAFixedValue.Compile();
compileResult.Should().BeTrue();
_testOutputHelper.WriteLine($"{nameof(ruleReturningAFixedValue)}:{Environment.NewLine}" +
$"{ruleReturningAFixedValue.ExpressionDebugView()}");
var executeResult = ruleReturningAFixedValue.Execute();
executeResult.Should().BeOfType(typeof(int)).And.Be(int.MaxValue);
}
public void OneInOneOutParameterExpressionTest()
{
// g => IIF(((g == null) OrElse (g.Players == null)), 0, g.Players.Count)
var ruleReturningCountOfPlayers = new ExpressionFuncRule <Game, int>(
g => (g == null || g.Players == null) ? 0 : g.Players.Count);
var compileResult = ruleReturningCountOfPlayers.Compile();
compileResult.Should().BeTrue();
_testOutputHelper.WriteLine($"{nameof(ruleReturningCountOfPlayers)}:{Environment.NewLine}" +
$"{ruleReturningCountOfPlayers.ExpressionDebugView()}");
var executeResult = ruleReturningCountOfPlayers.Execute(_game1);
executeResult.Should().BeOfType(typeof(int)).And.Be(_game1.Players.Count);
}
public void TwoInOneOutParameterExpressionTest()
{
var ruleReturningTotalCountOfPlayers = new ExpressionFuncRule <Game, Game, int>((g1, g2) =>
((g1 == null || g1.Players == null) ? 0 : g1.Players.Count) +
((g2 == null || g2.Players == null) ? 0 : g2.Players.Count)
);
var compileResult = ruleReturningTotalCountOfPlayers.Compile();
compileResult.Should().BeTrue();
_testOutputHelper.WriteLine($"{nameof(ruleReturningTotalCountOfPlayers)}:{Environment.NewLine}" +
$"{ruleReturningTotalCountOfPlayers.ExpressionDebugView()}");
var executeResult = ruleReturningTotalCountOfPlayers.Execute(_game1, _game2);
executeResult.Should().BeOfType(typeof(int)).And.Be(_game1.Players.Count + _game2.Players.Count);
}
public void TwoInOneOutParameterExpressionTest2()
{
var ruleFindCountriesNotInOther = new ExpressionFuncRule <Game, Game, IEnumerable <Player> >((g1, g2) =>
g1.Players.Except(g2.Players, new PlayerCountryEqualityComparer())
);
var compileResult = ruleFindCountriesNotInOther.Compile();
_testOutputHelper.WriteLine($"{nameof(ruleFindCountriesNotInOther)}:{Environment.NewLine}" +
$"{ruleFindCountriesNotInOther.ExpressionDebugView()}");
compileResult.Should().BeTrue();
var executeResult = ruleFindCountriesNotInOther.Execute(_game1, _game2).ToList();
executeResult.Should().BeOfType(typeof(List <Player>));
_testOutputHelper.WriteLine(".............g1.except(g2)....");
executeResult.ForEach(p => _testOutputHelper.WriteLine($"country: {p.Country.CountryCode}"));
executeResult = ruleFindCountriesNotInOther.Execute(_game2, _game1).ToList();
_testOutputHelper.WriteLine(".............g2.except(g1)....");
executeResult.ForEach(p => _testOutputHelper.WriteLine($"country: {p.Country.CountryCode}"));
}
