test: add tests

src/Altinn.Authorization.ProblemDetails/src/ProblemDetails.Abstractions/ProblemInstanceException.cs

@@ -1,23 +1,23 @@
 namespace Altinn.Authorization.ProblemDetails;
 
 /// <summary>
-/// An exception that represents a <see cref="ProblemInstance"/>.
+/// An exception that represents a <see cref="Problem"/>.
 /// </summary>
 public class ProblemInstanceException
     : InvalidOperationException
 {
     /// <summary>
     /// Initializes a new instance of the <see cref="ProblemInstanceException"/> class.
     /// </summary>
-    /// <param name="problemInstance">The <see cref="ProblemInstance"/>.</param>
+    /// <param name="problemInstance">The <see cref="Problem"/>.</param>
     public ProblemInstanceException(ProblemInstance problemInstance)
         : base(problemInstance.Detail)
     {
-        ProblemInstance = problemInstance;
+        Problem = problemInstance;
     }
 
     /// <summary>
-    /// Gets the <see cref="ProblemInstance"/>.
+    /// Gets the <see cref="Problem"/>.
     /// </summary>
-    public ProblemInstance ProblemInstance { get; }
+    public ProblemInstance Problem { get; }
 }

src/Altinn.Authorization.ProblemDetails/test/ProblemDetails.Tests/ResultTests.cs

@@ -93,4 +93,20 @@ static Result<int> TrySomething(bool fail)
             return 42;
         }
     }
+
+    [Fact]
+    public void EnsureSuccess_ThrowsIfProblem()
+    {
+        Result<int> result = StdProblemDescriptors.ValidationError;
+        Action action = () => result.EnsureSuccess();
+        action.Should().Throw<ProblemInstanceException>()
+            .Which.Problem.ErrorCode.Should().Be(StdProblemDescriptors.ErrorCodes.ValidationError);
+    }
+
+    [Fact]
+    public void EnsureSuccess_DoesNotThrowIfSuccess()
+    {
+        Result<int> result = 42;
+        result.EnsureSuccess();
+    }
 }