Added tests

2026-05-29 13:49:44 +02:00
parent 10124f0184
commit af2cf03fb4
29 changed files with 2212 additions and 6 deletions
@@ -0,0 +1,135 @@
+using FluentAssertions;
+using Musify.Application.PlayLists.Handlers;
+using Musify.Application.PlayLists.Queries;
+using Musify.Application.Tests.Infrastructure;
+using Musify.Application.Tracks.Handlers;
+using Musify.Application.Tracks.Queries;
+using Musify.Application.Users.Handlers;
+using Musify.Application.Users.Queries;
+using Musify.Domain.Entities;
+using Xunit;
+
+namespace Musify.Application.Tests.Handlers;
+
+public sealed class ListQueryHandlerTests
+{
+    [Fact]
+    public async Task GetTracks_paginates_across_all_users()
+    {
+        await using var ctx = new SqliteTestContext();
+        for (var i = 0; i < 15; i++)
+        {
+            var track = TestData.Track(title: $"Track {i:D2}");
+            ctx.Database.Tracks.Add(track);
+            ctx.Database.UserHasTracks.Add(new UserHasTrack { UserId = Guid.NewGuid(), TrackId = track.Id });
+        }
+        await ctx.Database.SaveChangesAsync(CancellationToken.None);
+
+        var sut = new GetTracksQueryHandler(ctx.Database);
+        var result = await sut.Handle(new GetTracksQuery(PageNumber: 2, PageSize: 10), CancellationToken.None);
+
+        result.IsSuccess.Should().BeTrue();
+        result.Value.TotalItemCount.Should().Be(15);
+        result.Value.PageNumber.Should().Be(2);
+        result.Value.Items.Should().HaveCount(5);
+        result.Value.HasPreviousPage.Should().BeTrue();
+        result.Value.HasNextPage.Should().BeFalse();
+    }
+
+    [Fact]
+    public async Task GetTracks_normalizes_invalid_paging_to_defaults()
+    {
+        await using var ctx = new SqliteTestContext();
+        var track = TestData.Track();
+        ctx.Database.Tracks.Add(track);
+        ctx.Database.UserHasTracks.Add(new UserHasTrack { UserId = Guid.NewGuid(), TrackId = track.Id });
+        await ctx.Database.SaveChangesAsync(CancellationToken.None);
+
+        var sut = new GetTracksQueryHandler(ctx.Database);
+        var result = await sut.Handle(new GetTracksQuery(PageNumber: 0, PageSize: -3), CancellationToken.None);
+
+        result.Value.PageNumber.Should().Be(1);
+        result.Value.PageSize.Should().Be(10);
+        result.Value.TotalItemCount.Should().Be(1);
+    }
+
+    [Fact]
+    public async Task GetPlayLists_returns_all_playlists_paginated()
+    {
+        await using var ctx = new SqliteTestContext();
+        for (var i = 0; i < 3; i++)
+            ctx.Database.PlayLists.Add(TestData.PlayList(Guid.NewGuid(), name: $"PL {i}"));
+        await ctx.Database.SaveChangesAsync(CancellationToken.None);
+
+        var sut = new GetPlayListsQueryHandler(ctx.Database);
+        var result = await sut.Handle(new GetPlayListsQuery(), CancellationToken.None);
+
+        result.IsSuccess.Should().BeTrue();
+        result.Value.TotalItemCount.Should().Be(3);
+        result.Value.Items.Should().HaveCount(3);
+    }
+
+    [Fact]
+    public async Task GetPlayListsByUserId_filters_by_user_and_name()
+    {
+        await using var ctx = new SqliteTestContext();
+        var userId = Guid.NewGuid();
+        ctx.Database.PlayLists.Add(TestData.PlayList(userId, name: "Summer Mix"));
+        ctx.Database.PlayLists.Add(TestData.PlayList(userId, name: "Winter Mix"));
+        ctx.Database.PlayLists.Add(TestData.PlayList(Guid.NewGuid(), name: "Summer Other"));
+        await ctx.Database.SaveChangesAsync(CancellationToken.None);
+
+        var sut = new GetPlayListsByUserIdQueryHandler(ctx.Database);
+
+        var all = await sut.Handle(new GetPlayListsByUserIdQuery(userId), CancellationToken.None);
+        all.Value.TotalItemCount.Should().Be(2);
+
+        var filtered = await sut.Handle(new GetPlayListsByUserIdQuery(userId, Name: "summer"), CancellationToken.None);
+        filtered.Value.TotalItemCount.Should().Be(1);
+        filtered.Value.Items.Single().Name.Should().Be("Summer Mix");
+    }
+
+    [Fact]
+    public async Task GetPlayListsByUserId_returns_empty_for_unknown_user()
+    {
+        await using var ctx = new SqliteTestContext();
+        var sut = new GetPlayListsByUserIdQueryHandler(ctx.Database);
+
+        var result = await sut.Handle(new GetPlayListsByUserIdQuery(Guid.NewGuid()), CancellationToken.None);
+
+        result.IsSuccess.Should().BeTrue();
+        result.Value.TotalItemCount.Should().Be(0);
+    }
+
+    [Fact]
+    public async Task GetUsers_filters_by_username_search_case_insensitively()
+    {
+        await using var ctx = new SqliteTestContext();
+        ctx.Database.Users.Add(TestData.User(name: "Alice"));
+        ctx.Database.Users.Add(TestData.User(name: "Bob"));
+        ctx.Database.Users.Add(TestData.User(name: "Alicia"));
+        await ctx.Database.SaveChangesAsync(CancellationToken.None);
+
+        var sut = new GetUsersQueryHandler(ctx.Database);
+        var result = await sut.Handle(new GetUsersQuery(1, 10, UsernameSearch: "ali"), CancellationToken.None);
+
+        result.IsSuccess.Should().BeTrue();
+        result.Value.TotalItemCount.Should().Be(2);
+        result.Value.Items.Select(u => u.Name).Should().BeEquivalentTo("Alice", "Alicia");
+    }
+
+    [Fact]
+    public async Task GetUsers_normalizes_invalid_paging_to_defaults()
+    {
+        await using var ctx = new SqliteTestContext();
+        ctx.Database.Users.Add(TestData.User(name: "Solo"));
+        await ctx.Database.SaveChangesAsync(CancellationToken.None);
+
+        var sut = new GetUsersQueryHandler(ctx.Database);
+        var result = await sut.Handle(new GetUsersQuery(0, -1), CancellationToken.None);
+
+        result.Value.PageNumber.Should().Be(1);
+        result.Value.PageSize.Should().Be(10);
+        result.Value.TotalItemCount.Should().Be(1);
+    }
+}