// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System;
using Xunit;
 
namespace Microsoft.Extensions.AI;
 
public class HostedFileContentTests
{
    [Fact]
    public void Constructor_InvalidInput_Throws()
    {
        Assert.Throws<ArgumentNullException>(() => new HostedFileContent(null!));
        Assert.Throws<ArgumentException>(() => new HostedFileContent(string.Empty));
        Assert.Throws<ArgumentException>(() => new HostedFileContent(" "));
    }
 
    [Fact]
    public void Constructor_String_PropsDefault()
    {
        string fileId = "id123";
        HostedFileContent c = new(fileId);
        Assert.Null(c.RawRepresentation);
        Assert.Null(c.AdditionalProperties);
        Assert.Equal(fileId, c.FileId);
    }
 
    [Fact]
    public void Constructor_PropsRoundtrip()
    {
        HostedFileContent c = new("id123");
        Assert.Equal("id123", c.FileId);
 
        c.FileId = "id456";
        Assert.Equal("id456", c.FileId);
 
        Assert.Throws<ArgumentNullException>(() => c.FileId = null!);
        Assert.Throws<ArgumentException>(() => c.FileId = string.Empty);
        Assert.Throws<ArgumentException>(() => c.FileId = " ");
 
        Assert.Null(c.RawRepresentation);
        object raw = new();
        c.RawRepresentation = raw;
        Assert.Same(raw, c.RawRepresentation);
 
        Assert.Null(c.AdditionalProperties);
        AdditionalPropertiesDictionary props = new() { { "key", "value" } };
        c.AdditionalProperties = props;
        Assert.Same(props, c.AdditionalProperties);
    }
}