// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using AzureMcp.Core.Services.Azure.ResourceGroup;
using AzureMcp.Core.Services.Azure.Tenant;
using AzureMcp.MySql.Services;
using Microsoft.Extensions.Logging;
using NSubstitute;
using NSubstitute.ExceptionExtensions;
using Xunit;
namespace AzureMcp.MySql.UnitTests.Services;
public class MySqlServiceTests
{
private readonly IResourceGroupService _resourceGroupService;
private readonly ITenantService _tenantService;
private readonly ILogger<MySqlService> _logger;
private readonly MySqlService _mysqlService;
public MySqlServiceTests()
{
_resourceGroupService = Substitute.For<IResourceGroupService>();
_tenantService = Substitute.For<ITenantService>();
_logger = Substitute.For<ILogger<MySqlService>>();
_mysqlService = new MySqlService(_resourceGroupService, _tenantService, _logger);
}
[Fact]
public void Constructor_WithNullResourceGroupService_ThrowsArgumentNullException()
{
Assert.Throws<ArgumentNullException>(() =>
new MySqlService(null!, _tenantService, _logger));
}
[Fact]
public void Constructor_WithValidDependencies_CreatesInstance()
{
var service = new MySqlService(_resourceGroupService, _tenantService, _logger);
Assert.NotNull(service);
}
[Fact]
public async Task ListServersAsync_WhenResourceGroupServiceThrows_RethrowsException()
{
var exception = new InvalidOperationException("Resource group not found");
_resourceGroupService.GetResourceGroupResource("sub123", "rg1").ThrowsAsync(exception);
var thrownException = await Assert.ThrowsAsync<InvalidOperationException>(() =>
_mysqlService.ListServersAsync("sub123", "rg1", "user1"));
Assert.Equal(exception, thrownException);
}
}
