diff --git a/tests/GmRelay.Bot.Tests/Rendering/DiscordSessionBatchRendererTests.cs b/tests/GmRelay.Bot.Tests/Rendering/DiscordSessionBatchRendererTests.cs
new file mode 100644
index 0000000..febf077
--- /dev/null
+++ b/tests/GmRelay.Bot.Tests/Rendering/DiscordSessionBatchRendererTests.cs
@@ -0,0 +1,139 @@
+using GmRelay.DiscordBot.Rendering;
+using GmRelay.Shared.Domain;
+using GmRelay.Shared.Rendering;
+using NetCord;
+using NetCord.Rest;
+
+namespace GmRelay.Bot.Tests.Rendering;
+
+public sealed class DiscordSessionBatchRendererTests
+{
+    [Fact]
+    public void Render_ShouldProduceEmbedsAndButtonsForMultipleSessions()
+    {
+        var firstSessionId = Guid.NewGuid();
+        var secondSessionId = Guid.NewGuid();
+        var cancelledSessionId = Guid.NewGuid();
+
+        var sessions = new[]
+        {
+            new SessionBatchDto(secondSessionId, new DateTime(2026, 4, 27, 18, 0, 0, DateTimeKind.Utc), SessionStatus.Planned, 4, "https://example.com/game2"),
+            new SessionBatchDto(cancelledSessionId, new DateTime(2026, 4, 28, 18, 0, 0, DateTimeKind.Utc), SessionStatus.Cancelled, null, ""),
+            new SessionBatchDto(firstSessionId, new DateTime(2026, 4, 26, 18, 0, 0, DateTimeKind.Utc), SessionStatus.Planned, 2, "https://example.com/game1")
+        };
+        var participants = new[]
+        {
+            new ParticipantBatchDto(secondSessionId, "Alice", "alice", ParticipantRegistrationStatus.Active),
+            new ParticipantBatchDto(secondSessionId, "Charlie", null, ParticipantRegistrationStatus.Waitlisted),
+            new ParticipantBatchDto(cancelledSessionId, "Bob", null, ParticipantRegistrationStatus.Active)
+        };
+
+        var view = SessionBatchViewBuilder.Build("Campaign", sessions, participants);
+        var (embeds, actionRows) = DiscordSessionBatchRenderer.Render(view);
+
+        Assert.Equal(3, embeds.Count);
+        Assert.Equal(2, actionRows.Count); // cancelled skipped
+
+        // Embed titles contain game title and Moscow date
+        Assert.Contains(embeds, e => e.Title.Contains("Campaign") && e.Title.Contains("26"));
+        Assert.Contains(embeds, e => e.Title.Contains("Campaign") && e.Title.Contains("27"));
+        Assert.Contains(embeds, e => e.Title.Contains("Campaign") && e.Title.Contains("28"));
+
+        // Cancelled session embed description indicates cancellation
+        var cancelledEmbed = embeds.First(e => e.Description.Contains("отменена") || e.Description.Contains("Отменена"));
+        Assert.NotNull(cancelledEmbed);
+
+        // Active session embeds contain player names
+        Assert.Contains(embeds, e => e.Description != null && e.Description.Contains("Alice"));
+        Assert.Contains(embeds, e => e.Description != null && e.Description.Contains("Charlie"));
+
+        // Buttons for active sessions
+        var allButtons = actionRows.SelectMany(r => r).OfType<ButtonProperties>().ToList();
+        Assert.Contains(allButtons, b => b.CustomId == $"join_session:{firstSessionId}");
+        Assert.Contains(allButtons, b => b.CustomId == $"leave_session:{firstSessionId}");
+        Assert.Contains(allButtons, b => b.CustomId == $"join_session:{secondSessionId}");
+        Assert.Contains(allButtons, b => b.CustomId == $"leave_session:{secondSessionId}");
+    }
+
+    [Fact]
+    public void Render_ShouldSkipActionRowsForCancelledSessions()
+    {
+        var cancelledSessionId = Guid.NewGuid();
+        var sessions = new[] { new SessionBatchDto(cancelledSessionId, DateTime.UtcNow, SessionStatus.Cancelled, null, "") };
+        var participants = Array.Empty<ParticipantBatchDto>();
+
+        var view = SessionBatchViewBuilder.Build("Test", sessions, participants);
+        var (embeds, actionRows) = DiscordSessionBatchRenderer.Render(view);
+
+        Assert.Single(embeds);
+        Assert.Empty(actionRows);
+    }
+
+    [Fact]
+    public void Render_ShouldShowWaitlistButtonWhenFull()
+    {
+        var sessionId = Guid.NewGuid();
+        var sessions = new[] { new SessionBatchDto(sessionId, DateTime.UtcNow, SessionStatus.Planned, 1, "https://example.com/game") };
+        var participants = new[] { new ParticipantBatchDto(sessionId, "Alice", "alice", ParticipantRegistrationStatus.Active) };
+
+        var view = SessionBatchViewBuilder.Build("Test", sessions, participants);
+        var (_, actionRows) = DiscordSessionBatchRenderer.Render(view);
+        var buttons = actionRows.SelectMany(r => r).OfType<ButtonProperties>().ToList();
+        var joinButton = buttons.First(b => b.CustomId == $"join_session:{sessionId}");
+
+        Assert.Contains("ожидания", joinButton.Label);
+    }
+
+    [Fact]
+    public void Render_ShouldUseRedColorForCancelledSessions()
+    {
+        var sessionId = Guid.NewGuid();
+        var sessions = new[] { new SessionBatchDto(sessionId, DateTime.UtcNow, SessionStatus.Cancelled, null, "") };
+        var participants = Array.Empty<ParticipantBatchDto>();
+
+        var view = SessionBatchViewBuilder.Build("Test", sessions, participants);
+        var (embeds, _) = DiscordSessionBatchRenderer.Render(view);
+
+        Assert.Equal(0xED4245, embeds[0].Color!.Value.RawValue);
+    }
+
+    [Fact]
+    public void Render_ShouldUseGreenColorForOpenSessions()
+    {
+        var sessionId = Guid.NewGuid();
+        var sessions = new[] { new SessionBatchDto(sessionId, DateTime.UtcNow, SessionStatus.Planned, 4, "https://example.com/game") };
+        var participants = Array.Empty<ParticipantBatchDto>();
+
+        var view = SessionBatchViewBuilder.Build("Test", sessions, participants);
+        var (embeds, _) = DiscordSessionBatchRenderer.Render(view);
+
+        Assert.Equal(0x57F287, embeds[0].Color!.Value.RawValue);
+    }
+
+    [Fact]
+    public void Render_ShouldUseYellowColorForFullSessions()
+    {
+        var sessionId = Guid.NewGuid();
+        var sessions = new[] { new SessionBatchDto(sessionId, DateTime.UtcNow, SessionStatus.Planned, 1, "https://example.com/game") };
+        var participants = new[] { new ParticipantBatchDto(sessionId, "Alice", "alice", ParticipantRegistrationStatus.Active) };
+
+        var view = SessionBatchViewBuilder.Build("Test", sessions, participants);
+        var (embeds, _) = DiscordSessionBatchRenderer.Render(view);
+
+        Assert.Equal(0xFEE75C, embeds[0].Color!.Value.RawValue);
+    }
+
+    [Fact]
+    public void Render_ShouldHandleRescheduleStatus()
+    {
+        var sessionId = Guid.NewGuid();
+        var sessions = new[] { new SessionBatchDto(sessionId, DateTime.UtcNow, "Rescheduled", 4, "") };
+        var participants = Array.Empty<ParticipantBatchDto>();
+
+        var view = SessionBatchViewBuilder.Build("Test", sessions, participants);
+        var (embeds, actionRows) = DiscordSessionBatchRenderer.Render(view);
+
+        Assert.Single(embeds);
+        Assert.Single(actionRows); // not cancelled → actions present
+    }
+}