public void Expressions6Chainer()
{
Expression <Func <User, List <User> > > lambda1 = u => u.Collaborators;
Expression <Func <User, User> > lambda2 = m => m.Manager;
var result = ExpressionChainer.Chain(lambda1, lambda2);
Expression <Func <User, IEnumerable <User> > > expected = u => u.Collaborators.Select(m => m.Manager);
Assert.True(new ExpressionEqualityComparer().Equals(expected, result));
}
public void Expressions5Chainer()
{
Expression <Func <User, List <Role> > > lambda1 = u => u.HabilitedRoles;
Expression <Func <Role, int> > lambda2 = m => m.Id;
var result = ExpressionChainer.Chain(lambda1, lambda2);
Expression <Func <User, IEnumerable <int> > > expected = u => u.HabilitedRoles.Select(m => m.Id);
Assert.True(new ExpressionEqualityComparer().Equals(expected, result));
}
public void Expressions4Chainer()
{
Expression <Func <User, User> > lambda1 = u => u.Manager;
Expression <Func <User, bool> > lambda2 = m => m.HabilitedRoles.Any(r => r.HasContextualLegalEntityAssociation);
var result = ExpressionChainer.Chain(lambda1, lambda2);
Expression <Func <User, bool> > expected = a => a.Manager.HabilitedRoles.Any(r => r.HasContextualLegalEntityAssociation);
Assert.True(new ExpressionEqualityComparer().Equals(expected, result));
}
public void Expressions3Chainer()
{
Expression <Func <Department, User> > lambda1 = u => u.Head;
Expression <Func <User, bool> > lambda2 = i => i.Id == 2;
var result = ExpressionChainer.Chain(lambda1, lambda2);
Expression <Func <Department, bool> > expected = a => a.Head.Id == 2;
Assert.True(new ExpressionEqualityComparer().Equals(expected, result));
}
public void Expressions2Chainer()
{
Expression <Func <User, int> > lambda1 = u => u.Id;
Expression <Func <int, bool> > lambda2 = i => i == 2;
var result = ExpressionChainer.Chain(lambda1, lambda2);
Expression <Func <User, bool> > expected = a => a.Id == 2;
Assert.True(new ExpressionEqualityComparer().Equals(expected, result));
}
public void Expressions8Chainer()
{
Expression <Func <Department, User> > lambda1 = d => d.EmployeeOfTheMonth[1];
Expression <Func <User, IEnumerable <User> > > lambda2 = u => u.Collaborators.Select(c => c);
var result = ExpressionChainer.Chain(lambda1, lambda2);
Expression <Func <Department, IEnumerable <User> > > expected = u => u.EmployeeOfTheMonth[1].Collaborators.Select(c => c);
Assert.True(new ExpressionEqualityComparer().Equals(expected, result));
}
public LambdaExpression ToLambdaExpression() => ExpressionChainer.Chain(Current?.ToLambdaExpression(), Next?.ToLambdaExpression());
