// 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 Microsoft.Extensions.AmbientMetadata;
using Microsoft.Extensions.Configuration;
using Xunit;
 
namespace Microsoft.Gen.BuildMetadata.Test;
 
public class BuildMetadataConfigBuilderExtensionsTests
{
    [Fact]
    public void GivenNullBuilder_ThrowsArgumentNullException()
    {
        // Arrange
        IConfigurationBuilder? builder = null;
 
        // Act and Assert
        Assert.Throws<ArgumentNullException>(() => builder!.AddBuildMetadata());
    }
 
    [Fact]
    public void GivenNullSectionName_ThrowsArgumentNullException()
    {
        // Arrange
        ConfigurationBuilder builder = new();
 
        // Act and Assert
        Assert.Throws<ArgumentNullException>(() => builder.AddBuildMetadata(sectionName: null!));
    }
 
    [Theory]
    [InlineData("")]
    [InlineData(" ")]
    public void GivenWhitespaceSectionName_ThrowsArgumentException(string sectionName)
    {
        // Arrange
        ConfigurationBuilder builder = new();
 
        // Act and Assert
        Assert.Throws<ArgumentException>(() => builder.AddBuildMetadata(sectionName: sectionName));
    }
 
}