static void Main()
{
var mobiles = new List <Mobile> {
new Mobile(BrandName.Samsung, Type.Smart, 700),
new Mobile(BrandName.Apple, Type.Smart),
new Mobile(BrandName.Htc, Type.Basic),
new Mobile(BrandName.Samsung, Type.Basic)
};
ISpecification <Mobile> samsungExpSpec =
new ExpressionSpecification <Mobile>(o => o.BrandName == BrandName.Samsung);
ISpecification <Mobile> htcExpSpec =
new ExpressionSpecification <Mobile>(o => o.BrandName == BrandName.Htc);
ISpecification <Mobile> SamsungHtcExpSpec = samsungExpSpec.Or(htcExpSpec);
ISpecification <Mobile> NoSamsungExpSpec =
new ExpressionSpecification <Mobile>(o => o.BrandName != BrandName.Samsung);
var samsungMobiles = mobiles.FindAll(samsungExpSpec.IsSatisfiedBy);
var htcMobiles = mobiles.FindAll(htcExpSpec.IsSatisfiedBy);
var samsungHtcMobiles = mobiles.FindAll(SamsungHtcExpSpec.IsSatisfiedBy);
var noSamsungMobiles = mobiles.FindAll(NoSamsungExpSpec.IsSatisfiedBy);
//samsungHtcMobiles.ForEach(o => Console.WriteLine(o.ToString()));
//samsungMobiles.ForEach(o => Console.WriteLine(o.ToString()));
//htcMobiles.ForEach(o => Console.WriteLine(o.ToString()));
noSamsungMobiles.ForEach(o => Console.WriteLine(o.ToString()));
}
public void OrTestCase3()
{
var left = new ExpressionSpecification<String>( x => false );
var target = left.Or( x => false );
var actual = target.IsSatisfiedBy( String.Empty );
Assert.IsFalse( actual );
}
public void OrTestCase4()
{
var left = new ExpressionSpecification<String>( x => true );
var target = left.Or( x => true );
var actual = target.IsSatisfiedByWithMessages( String.Empty );
Assert.AreEqual( 0, actual.Count() );
}
public void MoreThan10_Or_LessThan5()
{
ISpecification <int> moreThan10 = ExpressionSpecification.For <int>(i => i > 10);
ISpecification <int> lessThan5 = new ExpressionSpecification <int>(i => i < 5);
ISpecification <int> subject = lessThan5.Or(moreThan10);
Assert.That(subject, Must.Not.Be.SatisfiedBy(7));
Assert.That(subject, Must.Be.SatisfiedBy(3).And(13));
}
public void OrTest8()
{
var left = new ExpressionSpecification <String>(x => true, "msgLeft");
var target = left.Or(x => true, "msgRight");
var actual = target.IsSatisfiedByWithMessages(String.Empty);
Assert.Equal(0, actual.Count());
}
public void OrTestCase10()
{
var left = new ExpressionSpecification<String>( x => false, "msgLeft" );
var target = left.Or( x => true, "msgRight" );
var actual = target.IsSatisfiedByWithMessages( String.Empty )
.ToList();
Assert.AreEqual( 0, actual.Count() );
}
public void OrTest4()
{
var left = new ExpressionSpecification <String>(x => true);
var target = left.Or(x => true);
var actual = target.IsSatisfiedByWithMessages(String.Empty);
Assert.Empty(actual);
}
public void OrTestNullCheck1()
{
var left = new ExpressionSpecification <String>(x => true);
Func <String, Boolean> expression = null;
// ReSharper disable once AssignNullToNotNullAttribute
Action test = () => left.Or(expression);
test.ShouldThrow <ArgumentNullException>();
}
public void OrTest3()
{
var left = new ExpressionSpecification <String>(x => false);
var target = left.Or(x => false);
var actual = target.IsSatisfiedBy(String.Empty);
Assert.False(actual);
}
public void OrTest3()
{
var target = new ExpressionSpecification <String>(x => false);
var other = new ExpressionSpecification <String>(x => false);
var actual = target.Or(other);
var result = actual.IsSatisfiedBy(String.Empty);
Assert.False(result);
}
public void OrTest5()
{
var left = new ExpressionSpecification <String>(x => true);
var target = left.Or(x => false);
var actual = target.IsSatisfiedByWithMessages(String.Empty)
.ToList();
Assert.Equal(0, actual.Count);
}
public void OrTest10()
{
var left = new ExpressionSpecification <String>(x => false, "msgLeft");
var target = left.Or(x => true, "msgRight");
var actual = target.IsSatisfiedByWithMessages(String.Empty)
.ToList();
Assert.Empty(actual);
}
public void OrTestNullCheck()
{
var target = new ExpressionSpecification <String>(x => false);
ExpressionSpecification <String> other = null;
// ReSharper disable once AssignNullToNotNullAttribute
Action test = () => target.Or(other);
test.ShouldThrow <ArgumentNullException>();
}
public void Test_And_Specification()
{
ISpecification<int> rule1 = new ExpressionSpecification<int>(x => x == 1, "rule1 failed");
ISpecification<int> rule2 = new ExpressionSpecification<int>(x => x == 2, "rule2 failed");
ISpecification<int> rule3 = new ExpressionSpecification<int>(x => x == 3, "rule3 failed");
ISpecification<int> rule4 = rule1.Or(rule2).Or(rule3);
var result = rule4.ValidateWithMessages(4);
Assert.IsTrue(result.Count > 0);
}
public void Test_And_Specification()
{
ISpecification <int> rule1 = new ExpressionSpecification <int>(x => x == 1, "rule1 failed");
ISpecification <int> rule2 = new ExpressionSpecification <int>(x => x == 2, "rule2 failed");
ISpecification <int> rule3 = new ExpressionSpecification <int>(x => x == 3, "rule3 failed");
ISpecification <int> rule4 = rule1.Or(rule2).Or(rule3);
var result = rule4.ValidateWithMessages(4);
Assert.IsTrue(result.Count > 0);
}
public void OrTest11()
{
var left = new ExpressionSpecification <String>(x => false, "msgLeft");
var target = left.Or(x => false, "msgRight");
var actual = target.IsSatisfiedByWithMessages(String.Empty)
.ToList();
Assert.Equal(2, actual.Count);
Assert.Equal(1, actual.Count(x => x == "msgLeft"));
Assert.Equal(1, actual.Count(x => x == "msgRight"));
}
public static ExpressionSpecification <Product> GetProductsById([Annotations.NotNull] params long[] idCollection)
{
var temp = new ExpressionSpecification <Product>(p => p.Id == idCollection[0]);
for (int i = 1; i < idCollection.Length; i++)
{
temp = new ExpressionSpecification <Product>(temp
.Or(new ExpressionSpecification <Product>(p => p.Id == idCollection[i]))
.IsSatisfiedBy());
}
return(temp);
}
public static void Main()
{
var someBookstore = new Bookstore("Shakespeare and Company");
var witchesAbroad = new Book("Witches abroad", Genre.Fantasy, 301);
someBookstore.Add(witchesAbroad);
var hatFullOfSky = new Book("Hat full of sky", Genre.Fantasy, 310);
someBookstore.Add(hatFullOfSky);
var gameOfThrones = new Book("Game of thrones", Genre.Fantasy, 900);
someBookstore.Add(gameOfThrones);
var deathOnTheNile = new Book("Death on the Nile", Genre.Crime, 400);
someBookstore.Add(deathOnTheNile);
var historyOfTheBalkans = new Book("History of the Balkans", Genre.History, 1120);
someBookstore.Add(historyOfTheBalkans);
Console.WriteLine(someBookstore);
var ruleOnlyFantasy = new ExpressionSpecification<Book>(b => b.Genre == Genre.Fantasy);
var ruleLargeBooks = new ExpressionSpecification<Book>(b => b.Pages > 1000);
var rulePagesBelow500 = new ExpressionSpecification<Book>(b => b.Pages < 500);
var ruleFantasyOrLargeBooks = ruleOnlyFantasy.Or(ruleLargeBooks);
var allBooks = someBookstore.All();
var largeBooks = allBooks.FindAll(b => ruleLargeBooks.IsSatisfiedBy(b));
Console.WriteLine("Large books:");
foreach (var book in largeBooks)
{
Console.WriteLine(book);
}
Console.WriteLine();
var fantasyAndLargeBooks = allBooks.FindAll(b => ruleFantasyOrLargeBooks.IsSatisfiedBy(b));
Console.WriteLine("Fantasy and large books:");
foreach (var book in fantasyAndLargeBooks)
{
Console.WriteLine(book);
}
Console.WriteLine();
}
static void Main(string[] args)
{
try
{
PersonDataMapper personDataMapper = new PersonDataMapper(ConfigurationManager.ConnectionStrings["connectionStringSchool"].ConnectionString);
/*
* personDataMapper.Insert(new Person
* {
* LastName = "Munguia",
* FirstName = "Isack",
* HireDate = DateTime.Now,
* EnrollmentDate = DateTime.Now,
* Discriminator = "Instructor"
* });
*/
List <DataMapper.Models.Person> personas = personDataMapper.GetFiltered("AND FirstName = 'Isack'", "LastName", 10, 1).ToList();
//List<Person> personasConApellidoPerez = personDataMapper.GetFiltered("LastName = 'Perez'", "", int.MaxValue, 1).ToList();
//personas.ForEach(Console.WriteLine);
//ISpecification<DataMapper.Models.Person> personasQueSeLlamanIsack = new ExpressionSpecification<DataMapper.Models.Person>(persona => persona.FirstName == "Isack");
//ISpecification<DataMapper.Models.Person> personasConApellidoSuarez = new ExpressionSpecification<DataMapper.Models.Person>(persona => persona.LastName == "Suarez");
//ISpecification<DataMapper.Models.Person> personasQueNoSonEstudiantes = new ExpressionSpecification<DataMapper.Models.Person>(persona => persona.Discriminator != "Student");
//ISpecification<DataMapper.Models.Person> todasLasEspecificaciones = personasQueSeLlamanIsack.Or(personasConApellidoSuarez).Or(personasQueNoSonEstudiantes);
//personas.FindAll(()=>personasQueSeLlamanIsack.IsSatisfiedBy).ForEach(Console.WriteLine);
//var dataFiltrada = personas.FindAll(persona => todasLasEspecificaciones.IsSatisfiedBy());
//personas.FindAll(persona => new PropertyEqualsSpecification<DataMapper.Models.Person>("Discriminator", "Student").IsSatisfiedBy(persona)).ForEach(Console.WriteLine);
var p1 = new Person {
LastName = "Munguia",
FirstName = "Isack",
HireDate = DateTime.Now,
EnrollmentDate = DateTime.Now,
Discriminator = "Instructor"
};
var p2 = new Person
{
LastName = "Herrera",
FirstName = "Gysela",
HireDate = null,
EnrollmentDate = DateTime.Now,
Discriminator = "Instructor"
};
ISpecification <Person> specification0 = new PersonDiscriminatorSpecification("Instructor");
ISpecification <Person> specification1 = new PersonFirstNameSpecification("Isack");
ISpecification <Person> specification2 = new ExpressionSpecification <Person>(p => p.FirstName.FirstOrDefault().Equals('A'));
ISpecification <Person> specification3 = new ExpressionSpecification <Person>(p => p.LastName.FirstOrDefault().Equals('A'));
var todasLasEspecificaciones = specification3.Or(specification2);
List <Person> persons = new List <Person>();
using (new ContextCreation())
{
var repository = PersonRepository.Instance;
//var itemToCreate = repository.Create(pp);
//var itemToDelete = repository.Delete(specification1);
//var itemToDelete = repository.Delete(p2);
//repository.SaveChanges();
persons = repository.Filter(todasLasEspecificaciones).ToList();
//var updateResult = repository.Update(p2);
}
Console.WriteLine($"{nameof(persons)}: {persons.Count}");
persons.ToList().ForEach(Console.WriteLine);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
Console.ReadKey();
}
}
public void OrTestCase7()
{
var left = new ExpressionSpecification<String>( x => false );
var target = left.Or( x => false );
var actual = target.IsSatisfiedByWithMessages( String.Empty )
.ToList();
Assert.AreEqual( 2, actual.Count() );
Assert.IsNull( actual[0] );
Assert.IsNull( actual[1] );
}
static void Main(string[] args)
{
// Person list
var people = new List <Person> {
new Person(Guid.NewGuid(), "Douglas 1", new Email("*****@*****.**"), new Category(2, "Partner")),
new Person(Guid.NewGuid(), "Douglas 2", new Email("*****@*****.**"), new Category(1, "Customer")),
new Person(Guid.NewGuid(), "Douglas 3", new Email("*****@*****.**"), new Category(2, "Partner")),
new Person(Guid.NewGuid(), "Douglas 4", new Email("douglas4_gmail.com"), new Category(1, "Customer")),
new Person(Guid.NewGuid(), "Douglas 5", new Email("*****@*****.**"), new Category(1, "Customer")),
new Person(Guid.NewGuid(), "Douglas 6", new Email("*****@*****.**"), new Category(1, "Customer")),
new Person(Guid.NewGuid(), "Douglas 7", new Email("*****@*****.**"), null)
};
Console.WriteLine(":: ALL PEOPLE ::");
foreach (var item in people)
{
Console.WriteLine(item.PersonId + " | " + item.Name + " | " + item?.Email?.Address + " | " + item.Category?.Description);
}
// Specifications usages
Console.WriteLine("");
Console.WriteLine(":: CUSTOMER ::");
ISpecification <Person> personCustomersSpecification = new PersonCustomerSpecification <Person>();
var customer = people.FindAll(x => personCustomersSpecification.IsSatisfiedBy(x));
foreach (var item in customer)
{
Console.WriteLine(item.PersonId + " | " + item.Name + " | " + item.Email.Address + " | " + item.Category?.Description);
}
Console.WriteLine("");
Console.WriteLine(":: PARTNER ::");
ISpecification <Person> partnerSpecification = new ExpressionSpecification <Person>(x => x.Category?.CategoryId == 2);
var partners = people.FindAll(x => partnerSpecification.IsSatisfiedBy(x));
foreach (var item in partners)
{
Console.WriteLine(item.PersonId + " | " + item.Name + " | " + item.Email.Address + " | " + item.Category?.Description);
}
Console.WriteLine("");
Console.WriteLine(":: WITHOUT CATEGORY ::");
ISpecification <Person> nullSpecification = new ExpressionSpecification <Person>(x => x.Category == null);
var nullCategory = people.FindAll(x => nullSpecification.IsSatisfiedBy(x));
foreach (var item in nullCategory)
{
Console.WriteLine(item.PersonId + " | " + item.Name + " | " + item.Email.Address + " | " + item.Category?.Description);
}
Console.WriteLine("");
Console.WriteLine(":: WITH AND WITHOUT CATEGORY ::");
ISpecification <Person> customersSpecification = new ExpressionSpecification <Person>(x => x.Category?.CategoryId == 1);
var allWithCategorySpecification = customersSpecification.Or(partnerSpecification);
var includeNull = allWithCategorySpecification.Or(nullSpecification);
var allAndNullCategory = people.FindAll(x => includeNull.IsSatisfiedBy(x));
foreach (var item in allAndNullCategory)
{
Console.WriteLine(item.PersonId + " | " + item.Name + " | " + item.Email.Address + " | " + item.Category?.Description);
}
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("");
Console.WriteLine(":: ALL VALID ::");
ISpecification <Person> validSpecification = new PersonValidSpecification <Person>();
var validPeople = people.Where(x => validSpecification.IsSatisfiedBy(x));
foreach (var item in validPeople)
{
Console.WriteLine(item.PersonId + " | " + item.Name + " | " + item.Email.Address + " | " + item.Category?.Description);
}
Console.ForegroundColor = ConsoleColor.Magenta;
Console.WriteLine("");
Console.WriteLine(":: VALID CUSTOMERS ::");
var validCustomers = people.Where(x => validSpecification.IsSatisfiedBy(x) && customersSpecification.IsSatisfiedBy(x));
foreach (var item in validCustomers)
{
Console.WriteLine(item.PersonId + " | " + item.Name + " | " + item.Email.Address + " | " + item.Category?.Description);
}
Console.ForegroundColor = ConsoleColor.White;
Console.WriteLine("");
Console.WriteLine(":: VALID PARTNERS ::");
var validPartners = people.Where(x => validSpecification.IsSatisfiedBy(x) && partnerSpecification.IsSatisfiedBy(x));
foreach (var item in validPartners)
{
Console.WriteLine(item.PersonId + " | " + item.Name + " | " + item.Email.Address + " | " + item.Category?.Description);
}
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("");
Console.WriteLine(":: INVALID ::");
var invalidPeople = people.Where(x => !validSpecification.IsSatisfiedBy(x));
foreach (var item in invalidPeople)
{
Console.WriteLine(item.PersonId + " | " + item.Name + " | " + item.Email.Address + " | " + item.Category?.Description);
}
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("");
Console.WriteLine(":: ISVALID ::");
var isvalidPeople = people.Where(x => x.IsValid());
foreach (var item in isvalidPeople)
{
Console.WriteLine(item.PersonId + " | " + item.Name + " | " + item.Email.Address + " | " + item.Category?.Description);
}
Console.ReadKey();
}
public void OrTestCase3()
{
var target = new ExpressionSpecification<String>( x => false );
var other = new ExpressionSpecification<String>( x => false );
var actual = target.Or( other );
var result = actual.IsSatisfiedBy( String.Empty );
Assert.IsFalse( result );
}
public void OrTestCaseNullCheck()
{
var target = new ExpressionSpecification<String>( x => false );
ExpressionSpecification<String> other = null;
Action test = () => target.Or( other );
test.ShouldThrow<ArgumentNullException>();
}
public void OrTestCaseNullCheck1()
{
var left = new ExpressionSpecification<String>( x => true );
Func<String, Boolean> expression = null;
Action test = () => left.Or( expression );
test.ShouldThrow<ArgumentNullException>();
}