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TypeInfoTests.cs
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TypeInfoTests.cs
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using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Collections.ObjectModel;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
using HotChocolate.Types;
using HotChocolate.Types.Descriptors;
using Xunit;
namespace HotChocolate.Internal
{
public class TypeInfoTests
{
private readonly ITypeInspector _typeInspector = new DefaultTypeInspector();
private readonly TypeCache _cache = new TypeCache();
[InlineData(typeof(string), "String")]
[InlineData(typeof(Task<string>), "String")]
[InlineData(typeof(List<string>), "[String]")]
[InlineData(typeof(Task<List<string>>), "[String]")]
[InlineData(typeof(Task<List<List<string>>>), "[[String]]")]
[InlineData(typeof(string[]), "[String]")]
[InlineData(typeof(Task<string[]>), "[String]")]
[InlineData(typeof(NativeType<string>), "String")]
[InlineData(typeof(NativeType<Task<string>>), "String")]
[InlineData(typeof(NativeType<List<string>>), "[String]")]
[InlineData(typeof(NativeType<Task<List<string>>>), "[String]")]
[InlineData(typeof(NativeType<string[]>), "[String]")]
[InlineData(typeof(NativeType<Task<string[]>>), "[String]")]
[InlineData(typeof(int), "String!")]
[InlineData(typeof(Task<int>), "String!")]
[InlineData(typeof(List<int>), "[String!]")]
[InlineData(typeof(Task<List<int>>), "[String!]")]
[InlineData(typeof(Task<List<List<int>>>), "[[String!]]")]
[InlineData(typeof(int[]), "[String!]")]
[InlineData(typeof(Task<int[]>), "[String!]")]
[InlineData(typeof(NativeType<int>), "String!")]
[InlineData(typeof(NativeType<Task<int>>), "String!")]
[InlineData(typeof(NativeType<List<int>>), "[String!]")]
[InlineData(typeof(NativeType<Task<List<int>>>), "[String!]")]
[InlineData(typeof(NativeType<int[]>), "[String!]")]
[InlineData(typeof(NativeType<Task<int[]>>), "[String!]")]
[InlineData(typeof(int?), "String")]
[InlineData(typeof(Task<int?>), "String")]
[InlineData(typeof(List<int?>), "[String]")]
[InlineData(typeof(Task<List<int?>>), "[String]")]
[InlineData(typeof(Task<List<List<int?>>>), "[[String]]")]
[InlineData(typeof(int?[]), "[String]")]
[InlineData(typeof(Task<int?[]>), "[String]")]
[InlineData(typeof(NativeType<int?>), "String")]
[InlineData(typeof(NativeType<Task<int?>>), "String")]
[InlineData(typeof(NativeType<List<int?>>), "[String]")]
[InlineData(typeof(NativeType<Task<List<int?>>>), "[String]")]
[InlineData(typeof(NativeType<int?[]>), "[String]")]
[InlineData(typeof(NativeType<Task<int?[]>>), "[String]")]
[InlineData(typeof(Optional<string[]>), "[String]")]
[InlineData(typeof(ValueTask<string[]>), "[String]")]
[InlineData(typeof(IAsyncEnumerable<string>), "[String]")]
[InlineData(typeof(IEnumerable<string>), "[String]")]
[InlineData(typeof(IQueryable<string>), "[String]")]
[InlineData(typeof(IExecutable<string>), "[String]")]
[InlineData(typeof(IExecutable<int>), "[String!]")]
[InlineData(typeof(IExecutable<int?>), "[String]")]
[Theory]
public void CreateTypeInfoFromRuntimeType(
Type clrType,
string expectedTypeName)
{
// arrange
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetType(clrType), _cache);
// assert
Assert.Equal(expectedTypeName, typeInfo.CreateType(new StringType()).Print());
}
[InlineData(typeof(CustomStringList), "[String]")]
[InlineData(typeof(List<string>), "[String]")]
[InlineData(typeof(Collection<string>), "[String]")]
[InlineData(typeof(ReadOnlyCollection<string>), "[String]")]
[InlineData(typeof(ImmutableList<string>), "[String]")]
[InlineData(typeof(ImmutableArray<string>), "[String]!")]
[InlineData(typeof(IList<string>), "[String]")]
[InlineData(typeof(ICollection<string>), "[String]")]
[InlineData(typeof(IEnumerable<string>), "[String]")]
[InlineData(typeof(IReadOnlyCollection<string>), "[String]")]
[InlineData(typeof(IReadOnlyList<string>), "[String]")]
[InlineData(typeof(IExecutable<string>), "[String]")]
[InlineData(typeof(string[]), "[String]")]
[Theory]
public void SupportedListTypes(Type clrType, string expectedTypeName)
{
// arrange
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetType(clrType), _cache);
// assert
Assert.Equal(expectedTypeName, typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NonNullListNonNullElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NonNullListNonNullElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String!]!", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NonNullListNullableElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NonNullListNullableElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String]!", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NullableListNullableElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NullableListNullableElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String]", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NullableListNonNullElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NullableListNonNullElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String!]", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NonNullQueryNonNullElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NonNullQueryNonNullElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String!]!", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NonNullQueryNullableElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NonNullQueryNullableElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String]!", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NullableQueryNullableElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NullableQueryNullableElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String]", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NullableQueryNonNullElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NullableQueryNonNullElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String!]", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NonNullCollectionNonNullElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NonNullCollectionNonNullElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String!]!", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NonNullCollectionNullableElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NonNullCollectionNullableElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String]!", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NullableCollectionNullableElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NullableCollectionNullableElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String]", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NullableCollectionNonNullElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NullableCollectionNonNullElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String!]", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NonNullArrayNonNullElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NonNullArrayNonNullElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String!]!", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NonNullArrayNullableElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NonNullArrayNullableElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String]!", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NullableArrayNullableElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NullableArrayNullableElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String]", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NullableArrayNonNullElement()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NullableArrayNonNullElement));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[String!]", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NestedList()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NestedList));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("[[String]]", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void OptionalNullableString()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.OptionalNullableString));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("String", typeInfo.CreateType(new StringType()).Print());
}
[Fact]
public void NullableOptionalNullableString()
{
// arrange
MethodInfo methodInfo =
typeof(Nullability).GetMethod(nameof(Nullability.NullableOptionalNullableString));
// act
var typeInfo = TypeInfo.Create(_typeInspector.GetReturnType(methodInfo!), _cache);
// assert
Assert.Equal("String", typeInfo.CreateType(new StringType()).Print());
}
[InlineData(typeof(NativeType<Task<string>>), typeof(string))]
[InlineData(typeof(NativeType<string>), typeof(string))]
[InlineData(typeof(Task<string>), typeof(string))]
[InlineData(typeof(ValueTask<string[]>), typeof(string[]))]
[InlineData(typeof(ValueTask<List<string>>), typeof(List<string>))]
[Theory]
public void Unwrap(Type type, Type expectedReducedType)
{
// arrange
// act
IExtendedType reducedType = TypeInfo.RuntimeType.Unwrap(
_typeInspector.GetReturnType(type));
// assert
Assert.Equal(expectedReducedType, reducedType.Type);
}
[InlineData(typeof(List<List<Foo>>), 3)]
[InlineData(typeof(List<List<string>>), 3)]
[Theory]
public void NestedListFromType(Type type, int components)
{
// arrange
// act
ITypeInfo typeInfo = _typeInspector.CreateTypeInfo(type);
// assert
Assert.Equal(components, typeInfo.Components.Count);
}
[Fact]
public void Create_TypeInfo_From_RewrittenType()
{
// arrange
IExtendedType extendedType = _typeInspector.GetType(typeof(List<string>), null, false);
// act
var success = TypeInfo.TryCreate(
extendedType,
_cache,
out TypeInfo typeInfo);
// assert
Assert.True(success);
Assert.Collection(typeInfo.Components.Select(t => t.Kind),
t => Assert.Equal(TypeComponentKind.List, t),
t => Assert.Equal(TypeComponentKind.NonNull, t),
t => Assert.Equal(TypeComponentKind.Named, t));
IType schemaType = typeInfo.CreateType(new StringType());
Assert.IsType<StringType>(
Assert.IsType<NonNullType>(
Assert.IsType<ListType>(schemaType).ElementType).Type);
}
[Fact]
public void Case5()
{
// arrange
Type nativeType =
typeof(NonNullType<ListType<NonNullType<ListType<NonNullType<StringType>>>>>);
// act
var success = TypeInfo.TryCreate(
_typeInspector.GetReturnType(nativeType),
_cache,
out TypeInfo typeInfo);
IType type = typeInfo!.CreateType(new StringType());
// assert
Assert.True(success);
Assert.Equal("[[String!]!]!", type.Print());
}
[Fact]
public void Case4()
{
// arrange
Type nativeType = typeof(NonNullType<ListType<NonNullType<StringType>>>);
// act
var success = TypeInfo.TryCreate(
_typeInspector.GetReturnType(nativeType),
_cache,
out TypeInfo typeInfo);
IType type = typeInfo!.CreateType(new StringType());
// assert
Assert.True(success);
Assert.IsType<NonNullType>(type);
type = ((NonNullType)type).Type as IOutputType;
Assert.IsType<ListType>(type);
type = ((ListType)type).ElementType as IOutputType;
Assert.IsType<NonNullType>(type);
type = ((NonNullType)type).Type as IOutputType;
Assert.IsType<StringType>(type);
}
[Fact]
public void Case3_1()
{
// arrange
Type nativeType = typeof(ListType<NonNullType<StringType>>);
// act
var success = TypeInfo.TryCreate(
_typeInspector.GetReturnType(nativeType),
_cache,
out TypeInfo typeInfo);
IType type = typeInfo!.CreateType(new StringType());
// assert
Assert.True(success);
Assert.IsType<ListType>(type);
type = ((ListType)type).ElementType as IOutputType;
Assert.IsType<NonNullType>(type);
type = ((NonNullType)type).Type as IOutputType;
Assert.IsType<StringType>(type);
}
[Fact]
public void Case3_2()
{
// arrange
Type nativeType = typeof(NonNullType<ListType<StringType>>);
// act
var success = TypeInfo.TryCreate(
_typeInspector.GetReturnType(nativeType),
_cache,
out TypeInfo typeInfo);
IType type = typeInfo!.CreateType(new StringType());
// assert
Assert.True(success);
Assert.IsType<NonNullType>(type);
type = ((NonNullType)type).Type as IOutputType;
Assert.IsType<ListType>(type);
type = ((ListType)type).ElementType as IOutputType;
Assert.IsType<StringType>(type);
}
[Fact]
public void Case2_1()
{
// arrange
Type nativeType = typeof(NonNullType<StringType>);
// act
var success = TypeInfo.TryCreate(
_typeInspector.GetReturnType(nativeType),
_cache,
out TypeInfo typeInfo);
IType type = typeInfo!.CreateType(new StringType());
// assert
Assert.True(success);
Assert.IsType<NonNullType>(type);
type = ((NonNullType)type).Type as IOutputType;
Assert.IsType<StringType>(type);
}
[Fact]
public void Case2_2()
{
// arrange
Type nativeType = typeof(ListType<StringType>);
// act
var success = TypeInfo.TryCreate(
_typeInspector.GetReturnType(nativeType),
_cache,
out TypeInfo typeInfo);
IType type = typeInfo!.CreateType(new StringType());
// assert
Assert.True(success);
Assert.IsType<ListType>(type);
type = ((ListType)type).ElementType as IOutputType;
Assert.IsType<StringType>(type);
}
[Fact]
public void Case1()
{
// arrange
Type nativeType = typeof(StringType);
// act
var success = TypeInfo.TryCreate(
_typeInspector.GetReturnType(nativeType),
_cache,
out TypeInfo typeInfo);
IType type = typeInfo!.CreateType(new StringType());
// assert
Assert.True(success);
Assert.IsType<StringType>(type);
}
private class CustomStringList
: CustomStringListBase
{
}
private class CustomStringListBase
: List<string>
{
}
#nullable enable
public class Nullability
{
public List<string> NonNullListNonNullElement() => default!;
public List<string?> NonNullListNullableElement() => default!;
public List<string?>? NullableListNullableElement() => default;
public List<string>? NullableListNonNullElement() => default;
public ICollection<string> NonNullCollectionNonNullElement() => default!;
public ICollection<string?> NonNullCollectionNullableElement() => default!;
public ICollection<string?>? NullableCollectionNullableElement() => default;
public ICollection<string>? NullableCollectionNonNullElement() => default;
public IExecutable<string> NonNullQueryNonNullElement() => default!;
public IExecutable<string?> NonNullQueryNullableElement() => default!;
public IExecutable<string?>? NullableQueryNullableElement() => default;
public IExecutable<string>? NullableQueryNonNullElement() => default;
public string[] NonNullArrayNonNullElement() => default!;
public string?[] NonNullArrayNullableElement() => default!;
public string?[]? NullableArrayNullableElement() => default;
public string[]? NullableArrayNonNullElement() => default;
public List<List<string?>?>? NestedList() => default;
public Optional<string?> OptionalNullableString() => default;
public Nullable<Optional<string?>> NullableOptionalNullableString() => default;
}
#nullable disable
public class Foo { }
}
}