93 lines
3.3 KiB
C#
93 lines
3.3 KiB
C#
using MessageService.Domain.Entities;
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using MessageService.Domain.Enums;
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using MessageService.Infrastructure;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Infrastructure;
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using Microsoft.EntityFrameworkCore.Migrations;
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using Xunit;
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namespace MessageService.Tests;
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public sealed class ConversationModelTests
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{
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[Fact]
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public void Conversation_read_state_and_unread_count_are_consistent()
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{
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var conversation = new Conversation(
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Guid.NewGuid(), Guid.NewGuid(), string.Empty, "target", null, 0, ChatType.PRIVATE, string.Empty);
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conversation.IncrementUnread();
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conversation.IncrementUnread();
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conversation.MarkAsRead(12);
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Assert.Equal(0, conversation.UnreadCount);
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Assert.Equal(12, conversation.LastReadSequenceId);
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}
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[Fact]
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public void Marking_conversation_read_does_not_change_last_message_activity()
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{
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var conversation = new Conversation(
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Guid.NewGuid(), Guid.NewGuid(), string.Empty, "target", null, 1, ChatType.PRIVATE, "old");
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var messageTime = new DateTimeOffset(2026, 9, 13, 8, 30, 0, TimeSpan.Zero);
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conversation.UpdateLastMessage("new", messageTime);
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conversation.MarkAsRead(42);
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Assert.Equal(messageTime, conversation.LastMessageTime);
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Assert.Equal(42, conversation.LastReadSequenceId);
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Assert.Equal(0, conversation.UnreadCount);
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}
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[Fact]
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public void Active_conversation_key_is_generated_and_unique()
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{
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using var db = CreateContext();
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var entity = db.Model.FindEntityType(typeof(Conversation));
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var property = entity!.FindProperty("ActiveConversationKey");
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var index = entity.GetIndexes().Single(item => item.Properties.Contains(property!));
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Assert.NotNull(property!.GetComputedColumnSql());
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Assert.True(index.IsUnique);
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}
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[Fact]
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public void Migration_script_contains_deduplication_and_active_unique_index()
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{
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using var db = CreateContext();
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var migrator = db.Database.GetService<IMigrator>();
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var script = migrator.GenerateScript(
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"20260909000100_ApiAlignmentFixes",
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"20260911000100_ConversationUniqueness");
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Assert.Contains("conversation_dedup", script);
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Assert.Contains("UX_conversations_ActiveConversationKey", script);
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Assert.Contains("ROW_NUMBER() OVER", script);
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}
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[Fact]
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public void Activity_migration_backfills_latest_message_time_and_adds_search_index()
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{
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using var db = CreateContext();
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var migrator = db.Database.GetService<IMigrator>();
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var script = migrator.GenerateScript(
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"20260911000100_ConversationUniqueness",
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"20260913000100_ConversationActivityAndMessageSearch");
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Assert.Contains("LastMessageTime", script);
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Assert.Contains("MAX(`message`.`CreationTime`)", script);
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Assert.Contains("IX_messages_StreamKey_MsgType_State_SequenceId", script);
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}
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private static MessageDbContext CreateContext()
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{
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const string connectionString = "Server=localhost;Database=im_message_tests;User=test;Password=test";
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var options = new DbContextOptionsBuilder<MessageDbContext>()
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.UseMySql(connectionString, new MySqlServerVersion(new Version(8, 0, 36)))
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.Options;
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return new MessageDbContext(options, null!);
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}
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}
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