95 lines
3.3 KiB
C#
95 lines
3.3 KiB
C#
using ErrorOr;
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using Musify.Application.Shared;
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using Musify.Application.Tests.TestSupport;
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using Musify.Application.Users;
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using Musify.Application.Users.Responses;
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using Musify.Domain.Entities;
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using Xunit;
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namespace Musify.Application.Tests.Users;
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public sealed class GetUserFollowersQueryHandlerTests : HandlerTestBase
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{
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private GetUserFollowersQueryHandler CreateHandler() => new(Database);
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private async Task<ErrorOr<PaginatedResponse<UserSummaryResponse>>> Send(long? viewerId, long userId) =>
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await CreateHandler().Handle(new GetUserFollowersQuery(viewerId, userId, 1, 20), TestContext.Current.CancellationToken);
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[Fact]
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public async Task Handle_OwnProfile_ReturnsFollowers()
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{
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var user = TestEntities.User(1, "user");
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var follower = TestEntities.User(2, "follower");
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await SeedAsync(user, follower, new UserFollow { FollowerId = follower.Id, FollowedId = user.Id });
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var result = await Send(user.Id, user.Id);
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Assert.False(result.IsError);
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var item = Assert.Single(result.Value.Items);
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Assert.Equal(follower.Id, item.Id);
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Assert.False(item.IsFollowedByViewer);
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}
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[Fact]
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public async Task Handle_MutualFollow_ReturnsFollowersWithViewerFollowState()
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{
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var viewer = TestEntities.User(1, "viewer");
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var user = TestEntities.User(2, "user");
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var other = TestEntities.User(3, "other");
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await SeedAsync(
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viewer, user, other,
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new UserFollow { FollowerId = viewer.Id, FollowedId = user.Id },
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new UserFollow { FollowerId = user.Id, FollowedId = viewer.Id },
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new UserFollow { FollowerId = other.Id, FollowedId = user.Id },
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new UserFollow { FollowerId = viewer.Id, FollowedId = other.Id });
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var result = await Send(viewer.Id, user.Id);
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Assert.False(result.IsError);
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Assert.Equal(2, result.Value.TotalItemCount);
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Assert.All(result.Value.Items, item => Assert.Equal(item.Id == other.Id, item.IsFollowedByViewer));
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}
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[Fact]
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public async Task Handle_ViewerFollowsButNotFollowedBack_ReturnsForbidden()
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{
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var viewer = TestEntities.User(1, "viewer");
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var user = TestEntities.User(2, "user");
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await SeedAsync(viewer, user, new UserFollow { FollowerId = viewer.Id, FollowedId = user.Id });
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var result = await Send(viewer.Id, user.Id);
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Assert.Equal(ErrorType.Forbidden, result.FirstError.Type);
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}
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[Fact]
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public async Task Handle_FollowedByUserButNotFollowingBack_ReturnsForbidden()
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{
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var viewer = TestEntities.User(1, "viewer");
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var user = TestEntities.User(2, "user");
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await SeedAsync(viewer, user, new UserFollow { FollowerId = user.Id, FollowedId = viewer.Id });
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var result = await Send(viewer.Id, user.Id);
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Assert.Equal(ErrorType.Forbidden, result.FirstError.Type);
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}
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[Fact]
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public async Task Handle_Anonymous_ReturnsForbidden()
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{
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await SeedAsync(TestEntities.User(1, "user"));
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var result = await Send(null, 1);
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Assert.Equal(ErrorType.Forbidden, result.FirstError.Type);
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}
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[Fact]
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public async Task Handle_UserMissing_ReturnsNotFound()
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{
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var result = await Send(1, 404);
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Assert.Equal(ErrorType.NotFound, result.FirstError.Type);
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}
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}
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