abp/framework/test/Volo.Abp.Settings.Tests/Volo/Abp/Settings/SettingProvider_Tests.cs

using System.Threading.Tasks;
using Shouldly;
using Xunit;

namespace Volo.Abp.Settings
{
    public class SettingProvider_Tests : AbpIntegratedTest<AbpSettingsTestModule>
    {
        private readonly ISettingProvider _settingProvider;

        public SettingProvider_Tests()
        {
            _settingProvider = GetRequiredService<ISettingProvider>();
        }

        protected override void SetAbpApplicationCreationOptions(AbpApplicationCreationOptions options)
        {
            options.UseAutofac();
        }

        [Fact]
        public async Task Should_Get_Null_If_No_Value_Provided_And_No_Default_Value()
        {
            (await _settingProvider.GetOrNullAsync(TestSettingNames.TestSettingWithoutDefaultValue))
                .ShouldBeNull();
        }

        [Fact]
        public async Task Should_Get_Default_Value_If_No_Value_Provided_And_There_Is_A_Default_Value()
        {
            (await _settingProvider.GetOrNullAsync(TestSettingNames.TestSettingWithDefaultValue))
                .ShouldBe("default-value");
        }
    }
}