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QueryableTests.Any.cs
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using System.Collections.Generic;
using System.Linq.Dynamic.Core.Tests.Helpers.Models;
using FluentAssertions;
using Xunit;
namespace System.Linq.Dynamic.Core.Tests;
public partial class QueryableTests
{
[Fact]
public void Any()
{
//Arrange
IQueryable testListFull = User.GenerateSampleModels(100).AsQueryable();
IQueryable testListOne = User.GenerateSampleModels(1).AsQueryable();
IQueryable testListNone = User.GenerateSampleModels(0).AsQueryable();
//Act
var resultFull = testListFull.Any();
var resultOne = testListOne.Any();
var resultNone = testListNone.Any();
//Assert
Assert.True(resultFull);
Assert.True(resultOne);
Assert.False(resultNone);
}
[Fact]
public void Any_Predicate()
{
//Arrange
var queryable = User.GenerateSampleModels(100).AsQueryable();
//Act
bool expected = queryable.Any(u => u.Income > 50);
bool result = queryable.Any("Income > 50");
//Assert
Assert.Equal(expected, result);
}
[Fact]
public void Any_Predicate_WithArgs()
{
const int value = 50;
//Arrange
var queryable = User.GenerateSampleModels(100).AsQueryable();
//Act
bool expected = queryable.Any(u => u.Income > value);
bool result = queryable.Any("Income > @0", value);
//Assert
Assert.Equal(expected, result);
}
[Fact]
public void Any_Dynamic_Select()
{
// Arrange
IQueryable<User> queryable = User.GenerateSampleModels(1).AsQueryable();
// Act
var expected = queryable.Select(x => x.Roles.Any()).ToArray();
var result = queryable.Select("Roles.Any()").ToDynamicArray<bool>();
// Assert
Assert.Equal(expected, result);
}
[Fact]
public void Any_Dynamic_Where()
{
const string search = "e";
// Arrange
var testList = User.GenerateSampleModels(10);
var queryable = testList.AsQueryable();
// Act
var expected = queryable.Where(u => u.Roles.Any(r => r.Name.Contains(search))).ToArray();
var result = queryable.Where("Roles.Any(Name.Contains(@0))", search).ToArray();
Assert.Equal(expected, result);
}
// https://dynamiclinq.codeplex.com/discussions/654313
[Fact]
public void Any_Dynamic_Where_Nested()
{
const string search = "a";
// Arrange
var testList = User.GenerateSampleModels(10);
var queryable = testList.AsQueryable();
// Act
var expected = queryable.Where(u => u.Roles.Any(r => r.Permissions.Any(p => p.Name.Contains(search)))).ToArray();
var result = queryable.Where("Roles.Any(Permissions.Any(Name.Contains(@0)))", search).ToArray();
Assert.Equal(expected, result);
}
// http://stackoverflow.com/questions/30846189/nested-any-in-is-not-working-in-dynamic-linq
[Fact]
public void Any_Dynamic_Where_Nested2()
{
// arrange
var list = new List<A>
{
new A {Bs = new List<B> {new B {A = new A(), Cs = new List<C> {new C {B = new B()}}}}}
};
var queryable = list.AsQueryable();
// act : 1
var result1 = queryable.Where("(Name = \"\") && (Bs.Any(Cs.Any()))").ToList();
var expected1 = queryable.Where(a => a.Name == "" && a.Bs.Any(b => b.Cs.Any()));
Assert.Equal(expected1, result1);
// act : 2
var result2 = queryable.Where("(Bs.Any(Cs.Any())) && (Name = \"\")").ToList();
var expected2 = queryable.Where(a => a.Bs.Any(b => b.Cs.Any() && a.Name == ""));
Assert.Equal(expected2, result2);
}
// #540
[Fact]
public void Any_SubList()
{
var organizations = new List<Organization>
{
new()
{
Code = "OrganizationA",
Sites = new List<Site>
{
new()
{
Code = "SiteNorth1"
},
new()
{
Code = "SiteNorth2"
}
}
},
new()
{
Code = "OrganizationB",
Sites = new List<Site>
{
new()
{
Code = "SiteNorth3"
},
new()
{
Code = "SiteNorth4"
}
}
},
new()
{
Code = "OrganizationC",
Sites = new List<Site>
{
new()
{
Code = "SiteNorth1"
},
new()
{
Code = "SiteNorth5"
}
}
}
}.AsQueryable();
var siteFilters = new List<string> { "SiteNorth1", "SiteNorth5" };
// Working by accessing from organizations with predicate params for an equal expression
var test2 = organizations.Where("Sites.Any(Code = @0)", siteFilters.First()).ToDynamicArray();
test2.Should().HaveCount(2);
// Working by accessing from organizations with classic LINQ
var test3 = organizations.Where(_ => _.Sites.Any(_ => siteFilters.Contains(_.Code))).ToDynamicArray();
test3.Should().HaveCount(2);
// Working by accessing from organizations with string predicate
var test5 = organizations.Where("Sites.Any(Code in (\"SiteNorth1\", \"SiteNorth5\"))").ToDynamicArray();
test5.Should().HaveCount(2);
// Not working : error : System.Linq.Dynamic.Core.Exceptions.ParseException: '')' or ',' expected'
var test6 = organizations.Where("Sites.Any(Code in @0)", siteFilters).ToDynamicArray();
test6.Should().HaveCount(2);
}
public class Organization
{
public string Code { get; set; }
public ICollection<Site> Sites { get; set; }
}
public class Site
{
public string Code { get; set; }
}
class A
{
public string Name { get; set; }
public IList<B> Bs
{
get { return bs; }
set { bs = value; }
}
private IList<B> bs = new List<B>(0);
}
class B
{
public A A { get; set; }
public IList<C> Cs
{
get { return cs; }
set { cs = value; }
}
private IList<C> cs = new List<C>(0);
}
class C
{
public B B { get; set; }
}
}