hrynco-common/HrynCo.Common.Tests/BaseConfigurationCheckTests.cs

namespace HrynCo.Common.Tests;

using System.ComponentModel.DataAnnotations;
using HrynCo.Common.HealthChecks;
using FluentAssertions;
using Microsoft.Extensions.Diagnostics.HealthChecks;
using Xunit;

public sealed class BaseConfigurationCheckTests
{
    [Fact]
    public async Task CheckConfigurationAsync_ShouldReturnHealthyWhenOptionsAreValid()
    {
        var check = new FakeConfigurationCheck(new SampleOptions
        {
            Code = "ok"
        }, "Sample");

        HealthCheckResult result = await check.CheckConfigurationAsync(default);

        result.Status.Should().Be(HealthStatus.Healthy);
        result.Description.Should().Be("Sample configuration is valid.");
    }

    [Fact]
    public async Task CheckConfigurationAsync_ShouldReturnUnhealthyWhenOptionsAreInvalid()
    {
        var check = new FakeConfigurationCheck(new SampleOptions(), "Sample");

        HealthCheckResult result = await check.CheckConfigurationAsync(default);

        result.Status.Should().Be(HealthStatus.Unhealthy);
        result.Description.Should().Contain("Sample configuration invalid:");
        result.Description.Should().Contain("The Code field is required.");
    }

    private sealed class FakeConfigurationCheck : BaseConfigurationCheck<SampleOptions>
    {
        public FakeConfigurationCheck(SampleOptions options, string name)
            : base(options, name)
        {
        }
    }

    private sealed class SampleOptions
    {
        [Required]
        public string? Code { get; set; }
    }
}