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Merge pull request #78 from Maschmi/groupjoin
New feature: GroupJoin
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174
test/System.Linq.Dynamic.Core.Tests/QueryableTests.GroupJoin.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,174 @@ | ||
| using System.Collections.Generic; | ||
| using System.Linq.Dynamic.Core.Exceptions; | ||
| using System.Linq.Dynamic.Core.Tests.Helpers.Models; | ||
| using NFluent; | ||
| using Xunit; | ||
|
|
||
| namespace System.Linq.Dynamic.Core.Tests | ||
| { | ||
| public partial class QueryableTests | ||
| { | ||
| [Fact] | ||
| public void GroupJoin() | ||
| { | ||
| //Arrange | ||
| Person magnus = new Person { Name = "Hedlund, Magnus" }; | ||
| Person terry = new Person { Name = "Adams, Terry" }; | ||
| Person charlotte = new Person { Name = "Weiss, Charlotte" }; | ||
|
|
||
| Pet barley = new Pet { Name = "Barley", Owner = terry }; | ||
| Pet boots = new Pet { Name = "Boots", Owner = terry }; | ||
| Pet whiskers = new Pet { Name = "Whiskers", Owner = charlotte }; | ||
| Pet daisy = new Pet { Name = "Daisy", Owner = magnus }; | ||
|
|
||
| var people = new List<Person> { magnus, terry, charlotte }; | ||
| var petsList = new List<Pet> { barley, boots, whiskers, daisy }; | ||
|
|
||
| //Act | ||
| var realQuery = people.AsQueryable().GroupJoin( | ||
| petsList, | ||
| person => person, | ||
| pet => pet.Owner, | ||
| (person, pets) => new { OwnerName = person.Name, Pets = pets }); | ||
|
|
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| var dynamicQuery = people.AsQueryable().GroupJoin( | ||
| petsList, | ||
| "it", | ||
| "Owner", | ||
| "new(outer.Name as OwnerName, inner as Pets)"); | ||
|
|
||
| //Assert | ||
| var realResult = realQuery.ToArray(); | ||
|
|
||
| #if NETSTANDARD | ||
| var dynamicResult = dynamicQuery.ToDynamicArray<DynamicClass>(); | ||
|
|
||
| Assert.Equal(realResult.Length, dynamicResult.Length); | ||
| for (int i = 0; i < realResult.Length; i++) | ||
| { | ||
| Assert.Equal(realResult[i].OwnerName, dynamicResult[i].GetDynamicPropertyValue<string>("OwnerName")); | ||
| for (int j = 0; j < realResult[i].Pets.Count(); j++) | ||
| { | ||
| Assert.Equal(realResult[i].Pets.ElementAt(j).Name, dynamicResult[i].GetDynamicPropertyValue<IEnumerable<Pet>>("Pets").ElementAt(j).Name); | ||
| } | ||
| } | ||
| #else | ||
| var dynamicResult = dynamicQuery.ToDynamicArray(); | ||
|
|
||
| Assert.Equal(realResult.Length, dynamicResult.Length); | ||
| for (int i = 0; i < realResult.Length; i++) | ||
| { | ||
| Assert.Equal(realResult[i].OwnerName, ((dynamic) dynamicResult[i]).OwnerName); | ||
| for (int j = 0; j < realResult[i].Pets.Count(); j++) | ||
| { | ||
| Assert.Equal(realResult[i].Pets.ElementAt(j).Name, (((IEnumerable<Pet>)((dynamic)dynamicResult[i]).Pets)).ElementAt(j).Name); | ||
| } | ||
| } | ||
| #endif | ||
| } | ||
|
|
||
| [Fact] | ||
| public void GroupJoinOnNullableType_RightNullable() | ||
| { | ||
| //Arrange | ||
| Person magnus = new Person { Id = 1, Name = "Hedlund, Magnus" }; | ||
| Person terry = new Person { Id = 2, Name = "Adams, Terry" }; | ||
| Person charlotte = new Person { Id = 3, Name = "Weiss, Charlotte" }; | ||
|
|
||
| Pet barley = new Pet { Name = "Barley", NullableOwnerId = terry.Id }; | ||
| Pet boots = new Pet { Name = "Boots", NullableOwnerId = terry.Id }; | ||
| Pet whiskers = new Pet { Name = "Whiskers", NullableOwnerId = charlotte.Id }; | ||
| Pet daisy = new Pet { Name = "Daisy", NullableOwnerId = magnus.Id }; | ||
|
|
||
| var people = new List<Person> { magnus, terry, charlotte }; | ||
| var petsList = new List<Pet> { barley, boots, whiskers, daisy }; | ||
|
|
||
| //Act | ||
| var realQuery = people.AsQueryable().GroupJoin( | ||
| petsList, | ||
| person => person.Id, | ||
| pet => pet.NullableOwnerId, | ||
| (person, pets) => new { OwnerName = person.Name, Pets = pets }); | ||
|
|
||
| var dynamicQuery = people.AsQueryable().GroupJoin( | ||
| petsList, | ||
| "it.Id", | ||
| "NullableOwnerId", | ||
| "new(outer.Name as OwnerName, inner as Pets)"); | ||
|
|
||
| //Assert | ||
| var realResult = realQuery.ToArray(); | ||
| var dynamicResult = dynamicQuery.ToDynamicArray<DynamicClass>(); | ||
|
|
||
| Assert.Equal(realResult.Length, dynamicResult.Length); | ||
| for (int i = 0; i < realResult.Length; i++) | ||
| { | ||
| Assert.Equal(realResult[i].OwnerName, dynamicResult[i].GetDynamicPropertyValue<string>("OwnerName")); | ||
| for (int j = 0; j < realResult[i].Pets.Count(); j++) | ||
| { | ||
| Assert.Equal(realResult[i].Pets.ElementAt(j).Name, dynamicResult[i].GetDynamicPropertyValue<IEnumerable<Pet>>("Pets").ElementAt(j).Name); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| [Fact] | ||
| public void GroupJoinOnNullableType_LeftNullable() | ||
| { | ||
| //Arrange | ||
| Person magnus = new Person { NullableId = 1, Name = "Hedlund, Magnus" }; | ||
| Person terry = new Person { NullableId = 2, Name = "Adams, Terry" }; | ||
| Person charlotte = new Person { NullableId = 3, Name = "Weiss, Charlotte" }; | ||
|
|
||
| Pet barley = new Pet { Name = "Barley", OwnerId = terry.Id }; | ||
| Pet boots = new Pet { Name = "Boots", OwnerId = terry.Id }; | ||
| Pet whiskers = new Pet { Name = "Whiskers", OwnerId = charlotte.Id }; | ||
| Pet daisy = new Pet { Name = "Daisy", OwnerId = magnus.Id }; | ||
|
|
||
| var people = new List<Person> { magnus, terry, charlotte }; | ||
| var petsList = new List<Pet> { barley, boots, whiskers, daisy }; | ||
|
|
||
| //Act | ||
| var realQuery = people.AsQueryable().GroupJoin( | ||
| petsList, | ||
| person => person.NullableId, | ||
| pet => pet.OwnerId, | ||
| (person, pets) => new { OwnerName = person.Name, Pets = pets }); | ||
|
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||
| var dynamicQuery = people.AsQueryable().GroupJoin( | ||
| petsList, | ||
| "it.NullableId", | ||
| "OwnerId", | ||
| "new(outer.Name as OwnerName, inner as Pets)"); | ||
|
|
||
| //Assert | ||
| var realResult = realQuery.ToArray(); | ||
| var dynamicResult = dynamicQuery.ToDynamicArray<DynamicClass>(); | ||
|
|
||
| Assert.Equal(realResult.Length, dynamicResult.Length); | ||
| for (int i = 0; i < realResult.Length; i++) | ||
| { | ||
| Assert.Equal(realResult[i].OwnerName, dynamicResult[i].GetDynamicPropertyValue<string>("OwnerName")); | ||
| for (int j = 0; j < realResult[i].Pets.Count(); j++) | ||
| { | ||
| Assert.Equal(realResult[i].Pets.ElementAt(j).Name, dynamicResult[i].GetDynamicPropertyValue<IEnumerable<Pet>>("Pets").ElementAt(j).Name); | ||
| } | ||
| } | ||
| } | ||
|
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||
| [Fact] | ||
| public void GroupJoinOnNullableType_NotSameTypesThrowsException() | ||
| { | ||
| var person = new Person { Id = 1, Name = "Hedlund, Magnus" }; | ||
| var people = new List<Person> { person }; | ||
| var pets = new List<Pet> { new Pet { Name = "Daisy", OwnerId = person.Id } }; | ||
|
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| Check.ThatCode(() => | ||
| people.AsQueryable() | ||
| .GroupJoin( | ||
| pets, | ||
| "it.Id", | ||
| "Name", // This is wrong | ||
| "new(outer.Name as OwnerName, inner as Pets)")).Throws<ParseException>(); | ||
| } | ||
| } | ||
| } |