public void ShouldWorkWithEnumerable()
{
var users = new[]
{
new User {
Login = "******", IsDeleted = false
},
new User {
Login = "******", IsDeleted = true
},
};
var andSpec = new UserAndSpec("admin");
users.Where(andSpec.IsSatisfiedBy).Single();
users.Where(andSpec).Single();
}
public void ShouldSupportComposition()
{
var activeAdmin = new User {
Login = "******", IsDeleted = false
};
var deletedAdmin = new User {
Login = "******", IsDeleted = true
};
var andSpec = new UserAndSpec("admin");
Assert.IsTrue(andSpec.IsSatisfiedBy(activeAdmin));
Assert.IsFalse(andSpec.IsSatisfiedBy(deletedAdmin));
var orSpec = new UserOrSpec("admin");
Assert.IsTrue(orSpec.IsSatisfiedBy(activeAdmin));
Assert.IsTrue(orSpec.IsSatisfiedBy(deletedAdmin));
}
public void ShouldWorkWithQueryable()
{
using (var context = CreateSqliteDbContext())
{
context.Users.AddRange(new[]
{
new User {
Login = "******", IsDeleted = false
},
new User {
Login = "******", IsDeleted = true
},
});
context.SaveChanges();
var andSpec = new UserAndSpec("admin");
context.Users.Where(andSpec.ToExpression()).Single();
context.Users.Where(andSpec).Single();
}
}
