In progress

colaflow-api/tests/Modules/Identity/ColaFlow.Modules.Identity.Domain.Tests/ValueObjects/TenantSlugTests.cs

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+using ColaFlow.Modules.Identity.Domain.Aggregates.Tenants;
+using FluentAssertions;
+using Xunit;
+
+namespace ColaFlow.Modules.Identity.Domain.Tests.ValueObjects;
+
+public sealed class TenantSlugTests
+{
+    [Theory]
+    [InlineData("acme")]
+    [InlineData("beta-corp")]
+    [InlineData("test-123")]
+    [InlineData("abc")]
+    public void Create_ShouldSucceed_ForValidSlug(string slug)
+    {
+        // Act
+        var tenantSlug = TenantSlug.Create(slug);
+
+        // Assert
+        tenantSlug.Value.Should().Be(slug);
+    }
+
+    [Theory]
+    [InlineData("")]
+    [InlineData(" ")]
+    [InlineData("ab")] // Too short
+    [InlineData("www")] // Reserved
+    [InlineData("api")] // Reserved
+    [InlineData("admin")] // Reserved
+    [InlineData("acme_corp")] // Underscore
+    [InlineData("acme corp")] // Space
+    [InlineData("-acme")] // Starts with hyphen
+    [InlineData("acme-")] // Ends with hyphen
+    [InlineData("acme--corp")] // Double hyphen
+    public void Create_ShouldThrow_ForInvalidSlug(string slug)
+    {
+        // Act & Assert
+        var act = () => TenantSlug.Create(slug);
+        act.Should().Throw<ArgumentException>();
+    }
+
+    [Fact]
+    public void Create_ShouldConvertToLowerCase()
+    {
+        // Act
+        var tenantSlug = TenantSlug.Create("AcmeCorp");
+
+        // Assert
+        tenantSlug.Value.Should().Be("acmecorp");
+    }
+
+    [Fact]
+    public void Create_ShouldTrimWhitespace()
+    {
+        // Act
+        var tenantSlug = TenantSlug.Create("  acme  ");
+
+        // Assert
+        tenantSlug.Value.Should().Be("acme");
+    }
+
+    [Fact]
+    public void Create_ShouldThrow_ForTooLongSlug()
+    {
+        // Arrange
+        var longSlug = new string('a', 51);
+
+        // Act & Assert
+        var act = () => TenantSlug.Create(longSlug);
+        act.Should().Throw<ArgumentException>()
+            .WithMessage("*cannot exceed 50 characters*");
+    }
+}