// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Collections.ObjectModel;
using Microsoft.AspNetCore.Http;
 
namespace Microsoft.AspNetCore.Mvc.ModelBinding.Binders;
 
public class FormFileModelBinderProviderTest
{
    [Theory]
    [InlineData(typeof(object))]
    [InlineData(typeof(IFormCollection))]
    [InlineData(typeof(TestClass))]
    [InlineData(typeof(IList<int>))]
    public void Create_ForUnsupportedTypes_ReturnsNull(Type modelType)
    {
        // Arrange
        var provider = new FormFileModelBinderProvider();
        var context = new TestModelBinderProviderContext(modelType);
 
        // Act
        var result = provider.GetBinder(context);
 
        // Assert
        Assert.Null(result);
    }
 
    [Theory]
    [InlineData(typeof(IFormFile))]
    [InlineData(typeof(IFormFile[]))]
    [InlineData(typeof(IFormFileCollection))]
    [InlineData(typeof(IEnumerable<IFormFile>))]
    [InlineData(typeof(Collection<IFormFile>))]
    public void Create_ForSupportedTypes_ReturnsBinder(Type modelType)
    {
        // Arrange
        var provider = new FormFileModelBinderProvider();
        var context = new TestModelBinderProviderContext(modelType);
 
        // Act
        var result = provider.GetBinder(context);
 
        // Assert
        Assert.IsType<FormFileModelBinder>(result);
    }
 
    private class TestClass
    {
    }
}