MessagesLoaderTests

2026-07-21 11:44:56 +00:00 · 2025-07-21 13:42:41 +07:00
parent 50d53d1ea4
commit 58e7716ded
2 changed files with 168 additions and 10 deletions
@@ -0,0 +1,168 @@
+using Govor.Application.Interfaces;
+using Govor.Application.Services.Messages;
+using Govor.Core.Models;
+using Govor.Core.Models.Messages;
+using Govor.Core.Repositories.Groups;
+using Govor.Core.Repositories.PrivateChats;
+using Govor.Data;
+using Microsoft.EntityFrameworkCore;
+using Moq;
+
+namespace Govor.Application.Tests.Services.Messages;
+
+[TestFixture]
+public class MessagesLoaderTests
+{
+    private IMessagesLoader _loader;
+    private Mock<IPrivateChatsRepository> _privateChatsRepoMock;
+    private Mock<IGroupsRepository> _groupsRepoMock;
+    private GovorDbContext _dbContext;
+
+    private Guid _currentUserId = Guid.NewGuid();
+    private Guid _otherUserId = Guid.NewGuid();
+    private Guid _groupChatId = Guid.NewGuid();
+
+    [SetUp]
+    public void Setup()
+    {
+        _privateChatsRepoMock = new Mock<IPrivateChatsRepository>();
+        _groupsRepoMock = new Mock<IGroupsRepository>();
+
+        var options = new DbContextOptionsBuilder<GovorDbContext>()
+            .UseInMemoryDatabase(databaseName: Guid.NewGuid().ToString())
+            .Options;
+        _dbContext = new GovorDbContext(options);
+
+        _loader = new MessagesLoader(_groupsRepoMock.Object, _privateChatsRepoMock.Object, _dbContext);
+    }
+    
+    // Tests for LoadLastMessagesInUserChat action 
+    [Test]
+    public async Task LoadLastMessagesInUserChat_ReturnsMessages_WhenChatExists()
+    {
+        // Arrange
+        var chatId = Guid.NewGuid();
+
+        _privateChatsRepoMock.Setup(r => r.Exist(_currentUserId, _otherUserId)).Returns(true);
+        _privateChatsRepoMock.Setup(r => r.GetByMembersAsync(_currentUserId, _otherUserId))
+            .ReturnsAsync(new PrivateChat() { Id = chatId });
+
+        var messages = new List<Message>
+        {
+            new() { Id = Guid.NewGuid(), RecipientId = chatId, RecipientType = RecipientType.User }
+        };
+
+        await _dbContext.Messages.AddRangeAsync(messages);
+        await _dbContext.SaveChangesAsync();
+
+        // Act
+        var result = await _loader.LoadLastMessagesInUserChat(_currentUserId, _otherUserId, null);
+
+        // Assert
+        Assert.That(result, Has.Count.EqualTo(1));
+    }
+
+    [Test]
+    public async Task LoadLastMessagesInUserChat_ReturnsEmpty_WhenNoMessages()
+    {
+        // Arrange 
+        _privateChatsRepoMock.Setup(r => r.Exist(_currentUserId, _otherUserId)).Returns(true);
+        _privateChatsRepoMock.Setup(r => r.GetByMembersAsync(_currentUserId, _otherUserId))
+            .ReturnsAsync(new PrivateChat { Id = Guid.NewGuid() });
+        // Act
+        var result = await _loader.LoadLastMessagesInUserChat(_currentUserId, _otherUserId, null);
+
+        // Assert 
+        Assert.That(result, Is.Empty);
+    }
+
+    [Test]
+    public void LoadLastMessagesInUserChat_Throws_WhenUserIdIsEmpty()
+    {
+        // Act & Assert 
+        var ex = Assert.ThrowsAsync<ArgumentException>(async () =>
+            await _loader.LoadLastMessagesInUserChat(Guid.Empty, _currentUserId, null));
+
+        Assert.That(ex.Message, Does.Contain("User id cannot be empty"));
+    }
+
+    [Test]
+    public void LoadLastMessagesInUserChat_Throws_WhenChatNotExists()
+    {
+        // Arrange 
+        _privateChatsRepoMock.Setup(r => r.Exist(It.IsAny<Guid>(), It.IsAny<Guid>())).Returns(false);
+
+        // Act & Assert 
+        var ex = Assert.ThrowsAsync<InvalidOperationException>(async () =>
+            await _loader.LoadLastMessagesInUserChat(_currentUserId, _otherUserId, null));
+
+        Assert.That(ex.Message, Is.EqualTo("Private chat not found"));
+    }
+    
+    // Tests for LoadLastMessagesInChatGroup action 
+    [Test]
+    public async Task LoadLastMessagesInChatGroup_ReturnsMessages_WhenUserIsMember()
+    {
+        // Arrange 
+        _groupsRepoMock.Setup(g => g.IsUserMemberOfGroupAsync(_currentUserId, _groupChatId))
+            .ReturnsAsync(true);
+
+        var messages = new List<Message>
+        {
+            new() { Id = Guid.NewGuid(), RecipientId = _groupChatId, RecipientType = RecipientType.Group }
+        };
+
+        await _dbContext.Messages.AddRangeAsync(messages);
+        await _dbContext.SaveChangesAsync();
+        
+        // Act
+        var result = await _loader.LoadLastMessagesInChatGroup(_groupChatId, _currentUserId, null);
+
+        // Assert 
+        Assert.That(result, Has.Count.EqualTo(1));
+    }
+
+    [Test]
+    public void LoadLastMessagesInChatGroup_Throws_WhenChatIdEmpty()
+    {
+        // Act & Assert  
+        var ex = Assert.ThrowsAsync<ArgumentException>(async () =>
+            await _loader.LoadLastMessagesInChatGroup(Guid.Empty, _currentUserId, null));
+        
+        Assert.That(ex.Message, Does.Contain("Chat id cannot be empty"));
+    }
+
+    [Test]
+    public void LoadLastMessagesInChatGroup_Throws_WhenUserNotInGroup()
+    {
+        // Arrange 
+        _groupsRepoMock.Setup(g => g.IsUserMemberOfGroupAsync(_currentUserId, _groupChatId))
+            .ReturnsAsync(false);
+        
+        // Act & Assert 
+        var ex = Assert.ThrowsAsync<UnauthorizedAccessException>(async () =>
+            await _loader.LoadLastMessagesInChatGroup(_groupChatId, _currentUserId, null));
+
+        Assert.That(ex.Message, Is.EqualTo("You are not in a group."));
+    }
+
+    [Test]
+    public async Task LoadLastMessagesInChatGroup_ReturnsEmpty_WhenNoMessages()
+    {
+        // Arrange 
+        _groupsRepoMock.Setup(g => g.IsUserMemberOfGroupAsync(_currentUserId, _groupChatId))
+            .ReturnsAsync(true);
+        
+        // Act 
+        var result = await _loader.LoadLastMessagesInChatGroup(_groupChatId, _currentUserId, null);
+
+        // Assert 
+        Assert.That(result, Is.Empty);
+    }
+    
+    [TearDown]
+    public void TearDown()
+    {
+        _dbContext.Dispose();
+    }
+}