73 lines
2.8 KiB
C#
73 lines
2.8 KiB
C#
using BuildFlow.Platform.Application.Users.DTOs;
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using BuildFlow.Platform.Application.Users.Queries;
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using IM.Application.Chat.Handlers;
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using IM.Application.Chat.Queries;
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using IM.Domain.Common;
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using IM.Domain.Enums;
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using IM.Infrastructure.Persistence;
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using MediatR;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.DependencyInjection;
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using Moq;
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using Xunit;
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namespace BuildFlow.IM.Tests.Chat;
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/// <summary>
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/// GetConversationsQueryHandler 的会话列表断言：未读数展示必须优先使用 Redis 热数据。
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/// </summary>
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public class GetConversationsQueryHandlerTests
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{
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private static readonly Guid UserId = Guid.Parse("22222222-2222-2222-2222-222222222222");
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private static readonly Guid OtherUserId = Guid.Parse("33333333-3333-3333-3333-333333333333");
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private static readonly Guid ConversationId = Guid.Parse("11111111-1111-1111-1111-111111111111");
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[Fact]
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public async Task Uses_redis_unread_in_conversation_list_when_pg_cold_backup_is_zero()
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{
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await using var db = BuildInMemoryDb();
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db.Conversations.Add(ImTestData.BuildConversation(
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ConversationId,
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ConversationTypeEnum.Private,
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(UserId, 0),
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(OtherUserId, 0)));
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await db.SaveChangesAsync();
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var mediator = new Mock<IMediator>();
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mediator
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.Setup(m => m.Send(
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It.Is<GetUserSummariesQuery>(q => q.UserIds.SequenceEqual(new[] { OtherUserId })),
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It.IsAny<CancellationToken>()))
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.ReturnsAsync(new Dictionary<Guid, UserSummaryDto>
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{
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[OtherUserId] = new(OtherUserId, "Bob", null)
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});
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var unreadCounter = new Mock<IUnreadCounter>();
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unreadCounter
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.Setup(c => c.GetByUserAsync(
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UserId,
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It.Is<IEnumerable<Guid>>(ids => ids.SequenceEqual(new[] { ConversationId })),
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It.IsAny<CancellationToken>()))
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.ReturnsAsync(new Dictionary<Guid, int> { [ConversationId] = 2 });
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var handler = new GetConversationsQueryHandler(db, mediator.Object, unreadCounter.Object);
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var result = await handler.Handle(new GetConversationsQuery(UserId), CancellationToken.None);
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var conversation = Assert.Single(result);
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Assert.Equal(2, conversation.UnreadCount);
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Assert.Equal("Bob", conversation.OtherUserName);
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mediator.Verify(m => m.Send(
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It.Is<GetUserSummariesQuery>(q => q.UserIds.SequenceEqual(new[] { OtherUserId })),
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It.IsAny<CancellationToken>()), Times.Once);
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}
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private static ImDbContext BuildInMemoryDb()
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{
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var services = new ServiceCollection();
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services.AddDbContext<ImDbContext>(o => o.UseInMemoryDatabase($"im-conversation-{Guid.NewGuid()}"));
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return services.BuildServiceProvider().GetRequiredService<ImDbContext>();
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}
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}
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