Add more validation tests

test/MissionControl.Server.Tests/Endpoints/Missions/CreateMissionTests.cs

@@ -28,15 +28,50 @@ public class CreateMissionTests
     }
 
     [Theory]
+    [InlineData(null)]
     [InlineData("")]
     [InlineData(" ")]
-    public void Rejects_a_blank_mission_name(string name)
+    public void Rejects_a_blank_or_null_mission_name(string? name)
     {
         var validator = new CreateMissionRequestValidator();
 
+        var result = validator.Validate(new CreateMissionRequest { Name = name! });
+
+        result.IsValid.ShouldBeFalse();
+        result.Errors.ShouldContain(e => e.PropertyName == nameof(CreateMissionRequest.Name));
+    }
+
+    [Theory]
+    [InlineData(101)]
+    [InlineData(567)]
+    [InlineData(1000)]
+    [InlineData(10000)]
+    public void Rejects_a_too_long_mission_name(int length)
+    {
+        var validator = new CreateMissionRequestValidator();
+
+        var name = new string('a', length);
+
         var result = validator.Validate(new CreateMissionRequest { Name = name });
 
         result.IsValid.ShouldBeFalse();
         result.Errors.ShouldContain(e => e.PropertyName == nameof(CreateMissionRequest.Name));
     }
+
+    [Theory]
+    [InlineData(501)]
+    [InlineData(567)]
+    [InlineData(1000)]
+    [InlineData(10000)]
+    public void Rejects_a_too_long_mission_description(int length)
+    {
+        var validator = new CreateMissionRequestValidator();
+
+        var description = new string('a', length);
+
+        var result = validator.Validate(new CreateMissionRequest { Name = "name", Description = description});
+
+        result.IsValid.ShouldBeFalse();
+        result.Errors.ShouldContain(e => e.PropertyName == nameof(CreateMissionRequest.Description));
+    }
 }