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NewsLetterSubscriptionServiceTests.cs

using FluentAssertions;
using Nop.Core.Domain.Messages;
using Nop.Core.Events;
using Nop.Services.Events;
using Nop.Services.Messages;
using NUnit.Framework;

namespace Nop.Tests.Nop.Services.Tests.Messages;

[TestFixture]
public class NewsLetterSubscriptionServiceTests : ServiceTest
{
    private INewsLetterSubscriptionService _newsLetterSubscriptionService;

    [OneTimeSetUp]
    public void SetUp()
    {
        _newsLetterSubscriptionService = GetService();
    }

    /// 
    /// Verifies the active insert triggers subscribe event.
    /// 
    [Test]
    public async Task VerifyActiveInsertTriggersSubscribeEvent()
    {
        var subscription = new NewsLetterSubscription { Active = true, Email = "test@test.com" };
        await _newsLetterSubscriptionService.InsertNewsLetterSubscriptionAsync(subscription);

        var eventType = NewsLetterSubscriptionConsumer.LastEventType;

        await _newsLetterSubscriptionService.DeleteNewsLetterSubscriptionAsync(subscription);

        eventType.Should().Be(typeof(EmailSubscribedEvent));
    }

    /// 
    /// Verifies the delete triggers unsubscribe event.
    /// 
    [Test]
    public async Task VerifyDeleteTriggersUnsubscribeEvent()
    {
        var subscription = new NewsLetterSubscription { Active = true, Email = "test@test.com" };
        await _newsLetterSubscriptionService.InsertNewsLetterSubscriptionAsync(subscription);
        await _newsLetterSubscriptionService.DeleteNewsLetterSubscriptionAsync(subscription);

        NewsLetterSubscriptionConsumer.LastEventType.Should().Be(typeof(EmailUnsubscribedEvent));
    }

    /// 
    /// Verifies the insert event is fired.
    /// 
    [Test]
    public async Task VerifyInsertEventIsFired()
    {
        var subscription = new NewsLetterSubscription { Email = "test@test.com" };

        await _newsLetterSubscriptionService.InsertNewsLetterSubscriptionAsync(subscription);

        var eventType = NewsLetterSubscriptionConsumer.LastEventType;

        await _newsLetterSubscriptionService.DeleteNewsLetterSubscriptionAsync(subscription);

        eventType.Should().Be(typeof(EntityInsertedEvent));
    }

    [Test]
    public async Task CanCRUD()
    {
        var guid = Guid.NewGuid();

        var subscription = new NewsLetterSubscription
        {
            Active = true,
            Email = NopTestsDefaults.AdminEmail,
            NewsLetterSubscriptionGuid = guid
        };

        await _newsLetterSubscriptionService.InsertNewsLetterSubscriptionAsync(subscription);
        subscription.Id.Should().BeGreaterThan(0);
        subscription = await _newsLetterSubscriptionService.GetNewsLetterSubscriptionByIdAsync(subscription.Id);
        subscription.Active.Should().BeTrue();
        subscription.Active = false;
        await _newsLetterSubscriptionService.UpdateNewsLetterSubscriptionAsync(subscription);
        subscription = await _newsLetterSubscriptionService.GetNewsLetterSubscriptionByGuidAsync(guid);
        subscription.Active.Should().BeFalse();

        subscription =
            await _newsLetterSubscriptionService.GetNewsLetterSubscriptionByEmailAndStoreIdAsync(
                NopTestsDefaults.AdminEmail, 0);
        subscription.Should().NotBeNull();

        await _newsLetterSubscriptionService.DeleteNewsLetterSubscriptionAsync(subscription);
        subscription = await _newsLetterSubscriptionService.GetNewsLetterSubscriptionByGuidAsync(guid);
        subscription.Should().BeNull();
        subscription =
            await _newsLetterSubscriptionService.GetNewsLetterSubscriptionByEmailAndStoreIdAsync(
                NopTestsDefaults.AdminEmail, 1);
        subscription.Should().BeNull();
    }

    [Test]
    public async Task CanGetAllNewsLetterSubscriptions()
    {
        var guid = Guid.NewGuid();

        var subscription = new NewsLetterSubscription
        {
            Active = true,
            Email = NopTestsDefaults.AdminEmail,
            NewsLetterSubscriptionGuid = guid
        };
        await _newsLetterSubscriptionService.InsertNewsLetterSubscriptionAsync(subscription);

        var subscriptions = await _newsLetterSubscriptionService.GetAllNewsLetterSubscriptionsAsync();
        subscriptions.Count.Should().Be(1);
        subscriptions = await _newsLetterSubscriptionService.GetAllNewsLetterSubscriptionsAsync(NopTestsDefaults.AdminEmail);
        subscriptions.Count.Should().Be(1);
        subscriptions = await _newsLetterSubscriptionService.GetAllNewsLetterSubscriptionsAsync(isActive: true);
        subscriptions.Count.Should().Be(1);
        subscriptions = await _newsLetterSubscriptionService.GetAllNewsLetterSubscriptionsAsync(isActive: false);
        subscriptions.Count.Should().Be(0);

        subscriptions = await _newsLetterSubscriptionService.GetAllNewsLetterSubscriptionsAsync(customerRoleId: 1);
        subscriptions.Count.Should().Be(1);
        subscriptions = await _newsLetterSubscriptionService.GetAllNewsLetterSubscriptionsAsync(customerRoleId: 1, storeId: 1);
        subscriptions.Count.Should().Be(0);
        subscriptions = await _newsLetterSubscriptionService.GetAllNewsLetterSubscriptionsAsync(NopTestsDefaults.AdminEmail, customerRoleId: 4);
        subscriptions.Count.Should().Be(0);


        await _newsLetterSubscriptionService.DeleteNewsLetterSubscriptionAsync(subscription);
    }

    public class NewsLetterSubscriptionConsumer : IConsumer, IConsumer, IConsumer>
    {
        public static Type LastEventType { get; set; }

        public Task HandleEventAsync(EmailSubscribedEvent eventMessage)
        {
            LastEventType = typeof(EmailSubscribedEvent);

            return Task.CompletedTask;
        }

        public Task HandleEventAsync(EmailUnsubscribedEvent eventMessage)
        {
            LastEventType = typeof(EmailUnsubscribedEvent);

            return Task.CompletedTask;
        }

        public Task HandleEventAsync(EntityInsertedEvent eventMessage)
        {
            LastEventType = typeof(EntityInsertedEvent);

            return Task.CompletedTask;
        }
    }
}