Add more tests

ChatBot.Tests/Telegram/Commands/ReplyInfoTests.cs

@@ -0,0 +1,441 @@
+using ChatBot.Services.Telegram.Commands;
+using FluentAssertions;
+using Xunit;
+
+namespace ChatBot.Tests.Telegram.Commands;
+
+public class ReplyInfoTests
+{
+    [Fact]
+    public void ReplyInfo_ShouldHaveCorrectProperties()
+    {
+        // Arrange & Act
+        var replyInfo = new ReplyInfo
+        {
+            MessageId = 123,
+            UserId = 456L,
+            Username = "testuser",
+        };
+
+        // Assert
+        replyInfo.MessageId.Should().Be(123);
+        replyInfo.UserId.Should().Be(456L);
+        replyInfo.Username.Should().Be("testuser");
+    }
+
+    [Fact]
+    public void ReplyInfo_ShouldAllowNullUsername()
+    {
+        // Arrange & Act
+        var replyInfo = new ReplyInfo
+        {
+            MessageId = 123,
+            UserId = 456L,
+            Username = null,
+        };
+
+        // Assert
+        replyInfo.MessageId.Should().Be(123);
+        replyInfo.UserId.Should().Be(456L);
+        replyInfo.Username.Should().BeNull();
+    }
+
+    [Fact]
+    public void ReplyInfo_ShouldAllowEmptyUsername()
+    {
+        // Arrange & Act
+        var replyInfo = new ReplyInfo
+        {
+            MessageId = 123,
+            UserId = 456L,
+            Username = string.Empty,
+        };
+
+        // Assert
+        replyInfo.MessageId.Should().Be(123);
+        replyInfo.UserId.Should().Be(456L);
+        replyInfo.Username.Should().BeEmpty();
+    }
+
+    [Fact]
+    public void Create_ShouldReturnReplyInfo_WhenValidParameters()
+    {
+        // Arrange
+        var messageId = 123;
+        var userId = 456L;
+        var username = "testuser";
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().NotBeNull();
+        result!.MessageId.Should().Be(messageId);
+        result.UserId.Should().Be(userId);
+        result.Username.Should().Be(username);
+    }
+
+    [Fact]
+    public void Create_ShouldReturnReplyInfo_WhenUsernameIsNull()
+    {
+        // Arrange
+        var messageId = 123;
+        var userId = 456L;
+        string? username = null;
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().NotBeNull();
+        result!.MessageId.Should().Be(messageId);
+        result.UserId.Should().Be(userId);
+        result.Username.Should().BeNull();
+    }
+
+    [Fact]
+    public void Create_ShouldReturnReplyInfo_WhenUsernameIsEmpty()
+    {
+        // Arrange
+        var messageId = 123;
+        var userId = 456L;
+        var username = string.Empty;
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().NotBeNull();
+        result!.MessageId.Should().Be(messageId);
+        result.UserId.Should().Be(userId);
+        result.Username.Should().BeEmpty();
+    }
+
+    [Fact]
+    public void Create_ShouldReturnNull_WhenMessageIdIsNull()
+    {
+        // Arrange
+        int? messageId = null;
+        var userId = 456L;
+        var username = "testuser";
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().BeNull();
+    }
+
+    [Fact]
+    public void Create_ShouldReturnNull_WhenUserIdIsNull()
+    {
+        // Arrange
+        var messageId = 123;
+        long? userId = null;
+        var username = "testuser";
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().BeNull();
+    }
+
+    [Fact]
+    public void Create_ShouldReturnNull_WhenBothMessageIdAndUserIdAreNull()
+    {
+        // Arrange
+        int? messageId = null;
+        long? userId = null;
+        var username = "testuser";
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().BeNull();
+    }
+
+    [Fact]
+    public void Create_ShouldReturnNull_WhenMessageIdIsZero()
+    {
+        // Arrange
+        var messageId = 0;
+        var userId = 456L;
+        var username = "testuser";
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().NotBeNull(); // 0 is a valid message ID
+        result!.MessageId.Should().Be(0);
+        result.UserId.Should().Be(userId);
+        result.Username.Should().Be(username);
+    }
+
+    [Fact]
+    public void Create_ShouldReturnNull_WhenUserIdIsZero()
+    {
+        // Arrange
+        var messageId = 123;
+        var userId = 0L;
+        var username = "testuser";
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().NotBeNull(); // 0 is a valid user ID
+        result!.MessageId.Should().Be(messageId);
+        result.UserId.Should().Be(0L);
+        result.Username.Should().Be(username);
+    }
+
+    [Fact]
+    public void Create_ShouldReturnNull_WhenMessageIdIsNegative()
+    {
+        // Arrange
+        var messageId = -1;
+        var userId = 456L;
+        var username = "testuser";
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().NotBeNull(); // Negative values are still valid
+        result!.MessageId.Should().Be(-1);
+        result.UserId.Should().Be(userId);
+        result.Username.Should().Be(username);
+    }
+
+    [Fact]
+    public void Create_ShouldReturnNull_WhenUserIdIsNegative()
+    {
+        // Arrange
+        var messageId = 123;
+        var userId = -1L;
+        var username = "testuser";
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().NotBeNull(); // Negative values are still valid
+        result!.MessageId.Should().Be(messageId);
+        result.UserId.Should().Be(-1L);
+        result.Username.Should().Be(username);
+    }
+
+    [Fact]
+    public void Create_ShouldHandleVeryLongUsername()
+    {
+        // Arrange
+        var messageId = 123;
+        var userId = 456L;
+        var username = new string('a', 1000); // Very long username
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().NotBeNull();
+        result!.MessageId.Should().Be(messageId);
+        result.UserId.Should().Be(userId);
+        result.Username.Should().Be(username);
+        result.Username.Should().HaveLength(1000);
+    }
+
+    [Fact]
+    public void Create_ShouldHandleUsernameWithSpecialCharacters()
+    {
+        // Arrange
+        var messageId = 123;
+        var userId = 456L;
+        var username = "user@domain.com!@#$%^&*()_+-=[]{}|;':\",./<>?";
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().NotBeNull();
+        result!.MessageId.Should().Be(messageId);
+        result.UserId.Should().Be(userId);
+        result.Username.Should().Be(username);
+    }
+
+    [Fact]
+    public void Create_ShouldHandleUsernameWithUnicodeCharacters()
+    {
+        // Arrange
+        var messageId = 123;
+        var userId = 456L;
+        var username = "пользователь_用户_ユーザー_مستخدم";
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().NotBeNull();
+        result!.MessageId.Should().Be(messageId);
+        result.UserId.Should().Be(userId);
+        result.Username.Should().Be(username);
+    }
+
+    [Fact]
+    public void Create_ShouldHandleUsernameWithWhitespace()
+    {
+        // Arrange
+        var messageId = 123;
+        var userId = 456L;
+        var username = "  user with spaces  ";
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().NotBeNull();
+        result!.MessageId.Should().Be(messageId);
+        result.UserId.Should().Be(userId);
+        result.Username.Should().Be(username); // Username is preserved as-is
+    }
+
+    [Fact]
+    public void Create_ShouldHandleUsernameWithNewlines()
+    {
+        // Arrange
+        var messageId = 123;
+        var userId = 456L;
+        var username = "user\nwith\nnewlines";
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().NotBeNull();
+        result!.MessageId.Should().Be(messageId);
+        result.UserId.Should().Be(userId);
+        result.Username.Should().Be(username);
+    }
+
+    [Fact]
+    public void Create_ShouldHandleUsernameWithTabs()
+    {
+        // Arrange
+        var messageId = 123;
+        var userId = 456L;
+        var username = "user\twith\ttabs";
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().NotBeNull();
+        result!.MessageId.Should().Be(messageId);
+        result.UserId.Should().Be(userId);
+        result.Username.Should().Be(username);
+    }
+
+    [Theory]
+    [InlineData(0)]
+    [InlineData(1)]
+    [InlineData(100)]
+    [InlineData(int.MaxValue)]
+    [InlineData(int.MinValue)]
+    public void Create_ShouldHandleVariousMessageIds(int messageId)
+    {
+        // Arrange
+        var userId = 456L;
+        var username = "testuser";
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().NotBeNull();
+        result!.MessageId.Should().Be(messageId);
+        result.UserId.Should().Be(userId);
+        result.Username.Should().Be(username);
+    }
+
+    [Theory]
+    [InlineData(0L)]
+    [InlineData(1L)]
+    [InlineData(100L)]
+    [InlineData(long.MaxValue)]
+    [InlineData(long.MinValue)]
+    public void Create_ShouldHandleVariousUserIds(long userId)
+    {
+        // Arrange
+        var messageId = 123;
+        var username = "testuser";
+
+        // Act
+        var result = ReplyInfo.Create(messageId, userId, username);
+
+        // Assert
+        result.Should().NotBeNull();
+        result!.MessageId.Should().Be(messageId);
+        result.UserId.Should().Be(userId);
+        result.Username.Should().Be(username);
+    }
+
+    [Fact]
+    public void ReplyInfo_ShouldBeMutable()
+    {
+        // Arrange
+        var replyInfo = new ReplyInfo
+        {
+            MessageId = 123,
+            UserId = 456L,
+            Username = "testuser",
+        };
+
+        // Act
+        replyInfo.MessageId = 789;
+        replyInfo.UserId = 101112L;
+        replyInfo.Username = "newuser";
+
+        // Assert
+        replyInfo.MessageId.Should().Be(789);
+        replyInfo.UserId.Should().Be(101112L);
+        replyInfo.Username.Should().Be("newuser");
+    }
+
+    [Fact]
+    public void ReplyInfo_ShouldAllowSettingUsernameToNull()
+    {
+        // Arrange
+        var replyInfo = new ReplyInfo
+        {
+            MessageId = 123,
+            UserId = 456L,
+            Username = "testuser",
+        };
+
+        // Act
+        replyInfo.Username = null;
+
+        // Assert
+        replyInfo.Username.Should().BeNull();
+    }
+
+    [Fact]
+    public void ReplyInfo_ShouldAllowSettingUsernameToEmpty()
+    {
+        // Arrange
+        var replyInfo = new ReplyInfo
+        {
+            MessageId = 123,
+            UserId = 456L,
+            Username = "testuser",
+        };
+
+        // Act
+        replyInfo.Username = string.Empty;
+
+        // Assert
+        replyInfo.Username.Should().BeEmpty();
+    }
+}