add tests

ChatBot.Tests/Models/DatabaseSettingsTests.cs

@@ -0,0 +1,452 @@
+using ChatBot.Models.Configuration;
+using FluentAssertions;
+
+namespace ChatBot.Tests.Models;
+
+public class DatabaseSettingsTests
+{
+    [Fact]
+    public void Constructor_ShouldInitializePropertiesWithDefaultValues()
+    {
+        // Arrange & Act
+        var settings = new DatabaseSettings();
+
+        // Assert
+        settings.ConnectionString.Should().Be(string.Empty);
+        settings.EnableSensitiveDataLogging.Should().BeFalse();
+        settings.CommandTimeout.Should().Be(30);
+    }
+
+    [Fact]
+    public void ConnectionString_ShouldBeSettable()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var expectedConnectionString =
+            "Server=localhost;Database=testdb;User Id=user;Password=testpass;";
+
+        // Act
+        settings.ConnectionString = expectedConnectionString;
+
+        // Assert
+        settings.ConnectionString.Should().Be(expectedConnectionString);
+    }
+
+    [Fact]
+    public void EnableSensitiveDataLogging_ShouldBeSettable()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+
+        // Act
+        settings.EnableSensitiveDataLogging = true;
+
+        // Assert
+        settings.EnableSensitiveDataLogging.Should().BeTrue();
+    }
+
+    [Fact]
+    public void CommandTimeout_ShouldBeSettable()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var expectedTimeout = 60;
+
+        // Act
+        settings.CommandTimeout = expectedTimeout;
+
+        // Assert
+        settings.CommandTimeout.Should().Be(expectedTimeout);
+    }
+
+    [Theory]
+    [InlineData("")]
+    [InlineData("Server=localhost;Database=testdb;")]
+    [InlineData("Server=localhost;Port=5432;Database=chatbot;User Id=admin;Password=testpass;")]
+    [InlineData(
+        "Host=localhost;Port=5432;Database=chatbot;Username=admin;Password=testpass;Pooling=true;MinPoolSize=0;MaxPoolSize=100;"
+    )]
+    [InlineData("Data Source=localhost;Initial Catalog=chatbot;Integrated Security=true;")]
+    [InlineData(
+        "Server=localhost;Database=chatbot;Trusted_Connection=true;MultipleActiveResultSets=true;"
+    )]
+    public void ConnectionString_ShouldAcceptVariousFormats(string connectionString)
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+
+        // Act
+        settings.ConnectionString = connectionString;
+
+        // Assert
+        settings.ConnectionString.Should().Be(connectionString);
+    }
+
+    [Theory]
+    [InlineData(true)]
+    [InlineData(false)]
+    public void EnableSensitiveDataLogging_ShouldAcceptBooleanValues(bool enabled)
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+
+        // Act
+        settings.EnableSensitiveDataLogging = enabled;
+
+        // Assert
+        settings.EnableSensitiveDataLogging.Should().Be(enabled);
+    }
+
+    [Theory]
+    [InlineData(0)]
+    [InlineData(1)]
+    [InlineData(30)]
+    [InlineData(60)]
+    [InlineData(300)]
+    [InlineData(int.MaxValue)]
+    public void CommandTimeout_ShouldAcceptVariousValues(int timeout)
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+
+        // Act
+        settings.CommandTimeout = timeout;
+
+        // Assert
+        settings.CommandTimeout.Should().Be(timeout);
+    }
+
+    [Fact]
+    public void AllProperties_ShouldBeMutable()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+
+        // Act
+        settings.ConnectionString = "Server=test;Database=testdb;";
+        settings.EnableSensitiveDataLogging = true;
+        settings.CommandTimeout = 120;
+
+        // Assert
+        settings.ConnectionString.Should().Be("Server=test;Database=testdb;");
+        settings.EnableSensitiveDataLogging.Should().BeTrue();
+        settings.CommandTimeout.Should().Be(120);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportEmptyConnectionString()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+
+        // Act
+        settings.ConnectionString = "";
+
+        // Assert
+        settings.ConnectionString.Should().Be("");
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportNullConnectionString()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+
+        // Act
+        settings.ConnectionString = null!;
+
+        // Assert
+        settings.ConnectionString.Should().BeNull();
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportVeryLongConnectionString()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var longConnectionString = new string('A', 1000);
+
+        // Act
+        settings.ConnectionString = longConnectionString;
+
+        // Assert
+        settings.ConnectionString.Should().Be(longConnectionString);
+        settings.ConnectionString.Length.Should().Be(1000);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportPostgreSQLConnectionString()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var postgresConnectionString =
+            "Host=localhost;Port=5432;Database=chatbot;Username=admin;Password=testpass;Pooling=true;MinPoolSize=0;MaxPoolSize=100;Connection Lifetime=0;";
+
+        // Act
+        settings.ConnectionString = postgresConnectionString;
+
+        // Assert
+        settings.ConnectionString.Should().Be(postgresConnectionString);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportSQLServerConnectionString()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var sqlServerConnectionString =
+            "Server=localhost;Database=chatbot;User Id=admin;Password=testpass;TrustServerCertificate=true;";
+
+        // Act
+        settings.ConnectionString = sqlServerConnectionString;
+
+        // Assert
+        settings.ConnectionString.Should().Be(sqlServerConnectionString);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportSQLiteConnectionString()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var sqliteConnectionString = "Data Source=chatbot.db;Cache=Shared;";
+
+        // Act
+        settings.ConnectionString = sqliteConnectionString;
+
+        // Assert
+        settings.ConnectionString.Should().Be(sqliteConnectionString);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportMySQLConnectionString()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var mysqlConnectionString =
+            "Server=localhost;Port=3306;Database=chatbot;Uid=admin;Pwd=testpass;";
+
+        // Act
+        settings.ConnectionString = mysqlConnectionString;
+
+        // Assert
+        settings.ConnectionString.Should().Be(mysqlConnectionString);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportConnectionStringWithSpecialCharacters()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var connectionStringWithSpecialChars =
+            "Server=localhost;Database=test-db;User Id=user@domain.com;Password=testpass123!;";
+
+        // Act
+        settings.ConnectionString = connectionStringWithSpecialChars;
+
+        // Assert
+        settings.ConnectionString.Should().Be(connectionStringWithSpecialChars);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportConnectionStringWithUnicode()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var connectionStringWithUnicode =
+            "Server=localhost;Database=тестовая_база;User Id=пользователь;Password=testpass;";
+
+        // Act
+        settings.ConnectionString = connectionStringWithUnicode;
+
+        // Assert
+        settings.ConnectionString.Should().Be(connectionStringWithUnicode);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportZeroCommandTimeout()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+
+        // Act
+        settings.CommandTimeout = 0;
+
+        // Assert
+        settings.CommandTimeout.Should().Be(0);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportNegativeCommandTimeout()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+
+        // Act
+        settings.CommandTimeout = -1;
+
+        // Assert
+        settings.CommandTimeout.Should().Be(-1);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportMaxIntCommandTimeout()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+
+        // Act
+        settings.CommandTimeout = int.MaxValue;
+
+        // Assert
+        settings.CommandTimeout.Should().Be(int.MaxValue);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportMinIntCommandTimeout()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+
+        // Act
+        settings.CommandTimeout = int.MinValue;
+
+        // Assert
+        settings.CommandTimeout.Should().Be(int.MinValue);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportDevelopmentMode()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+
+        // Act
+        settings.EnableSensitiveDataLogging = true;
+        settings.ConnectionString = "Server=localhost;Database=chatbot_dev;";
+
+        // Assert
+        settings.EnableSensitiveDataLogging.Should().BeTrue();
+        settings.ConnectionString.Should().Be("Server=localhost;Database=chatbot_dev;");
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportProductionMode()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+
+        // Act
+        settings.EnableSensitiveDataLogging = false;
+        settings.ConnectionString = "Server=prod-server;Database=chatbot_prod;";
+
+        // Assert
+        settings.EnableSensitiveDataLogging.Should().BeFalse();
+        settings.ConnectionString.Should().Be("Server=prod-server;Database=chatbot_prod;");
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportConnectionStringWithMultipleParameters()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var complexConnectionString =
+            "Server=localhost;Port=5432;Database=chatbot;Username=admin;Password=testpass;Pooling=true;MinPoolSize=5;MaxPoolSize=100;Connection Lifetime=300;Command Timeout=60;";
+
+        // Act
+        settings.ConnectionString = complexConnectionString;
+
+        // Assert
+        settings.ConnectionString.Should().Be(complexConnectionString);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportConnectionStringWithSpaces()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var connectionStringWithSpaces =
+            "Server = localhost ; Database = chatbot ; User Id = admin ; Password = testpass ;";
+
+        // Act
+        settings.ConnectionString = connectionStringWithSpaces;
+
+        // Assert
+        settings.ConnectionString.Should().Be(connectionStringWithSpaces);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportConnectionStringWithQuotes()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var connectionStringWithQuotes =
+            "Server=\"localhost\";Database=\"chatbot\";User Id=\"admin\";Password=\"testpass\";";
+
+        // Act
+        settings.ConnectionString = connectionStringWithQuotes;
+
+        // Assert
+        settings.ConnectionString.Should().Be(connectionStringWithQuotes);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportConnectionStringWithSemicolons()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var connectionStringWithSemicolons =
+            "Server=localhost;;Database=chatbot;;User Id=admin;;Password=testpass;;";
+
+        // Act
+        settings.ConnectionString = connectionStringWithSemicolons;
+
+        // Assert
+        settings.ConnectionString.Should().Be(connectionStringWithSemicolons);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportConnectionStringWithEquals()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var connectionStringWithEquals =
+            "Server=localhost;Database=chatbot;User Id=admin;Password=testpass=123;";
+
+        // Act
+        settings.ConnectionString = connectionStringWithEquals;
+
+        // Assert
+        settings.ConnectionString.Should().Be(connectionStringWithEquals);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportConnectionStringWithNewlines()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var connectionStringWithNewlines =
+            "Server=localhost;\nDatabase=chatbot;\nUser Id=admin;\nPassword=testpass;";
+
+        // Act
+        settings.ConnectionString = connectionStringWithNewlines;
+
+        // Assert
+        settings.ConnectionString.Should().Be(connectionStringWithNewlines);
+    }
+
+    [Fact]
+    public void Settings_ShouldSupportConnectionStringWithTabs()
+    {
+        // Arrange
+        var settings = new DatabaseSettings();
+        var connectionStringWithTabs =
+            "Server=localhost;\tDatabase=chatbot;\tUser Id=admin;\tPassword=testpass;";
+
+        // Act
+        settings.ConnectionString = connectionStringWithTabs;
+
+        // Assert
+        settings.ConnectionString.Should().Be(connectionStringWithTabs);
+    }
+}