Improved support for Nullable<T> and dynamic parameters (#96)

2019-12-03 15:38:27 +01:00
parent 1b99d61cf3
commit 1ca8f79a36
4 changed files with 83 additions and 3 deletions
--- a/test/Ben.Demystifier.Test/MethodTests.cs
+++ b/test/Ben.Demystifier.Test/MethodTests.cs
@@ -0,0 +1,65 @@
+namespace Ben.Demystifier.Test
+{
+    using System;
+    using System.Diagnostics;
+    using Xunit;
+
+    public class MethodTests
+    {
+        [Fact]
+        public void DemistifiesMethodWithNullableInt()
+        {
+            Exception dex = null;
+            try
+            {
+                MethodWithNullableInt(1);
+            }
+            catch (Exception e)
+            {
+                dex = e.Demystify();
+            }
+
+            // Assert
+            var stackTrace = dex.ToString();
+            stackTrace = LineEndingsHelper.RemoveLineEndings(stackTrace);
+            var trace = string.Join(string.Empty, stackTrace.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries));
+
+            var expected = string.Join(string.Empty, new[] {
+                "System.ArgumentException: Value does not fall within the expected range.",
+                "   at bool Ben.Demystifier.Test.MethodTests.MethodWithNullableInt(int? number)",
+                "   at void Ben.Demystifier.Test.MethodTests.DemistifiesMethodWithNullableInt()"});
+
+            Assert.Equal(expected, trace);
+        }
+        
+        [Fact]
+        public void DemistifiesMethodWithDynamic()
+        {
+            Exception dex = null;
+            try
+            {
+                MethodWithDynamic(1);
+            }
+            catch (Exception e)
+            {
+                dex = e.Demystify();
+            }
+
+            // Assert
+            var stackTrace = dex.ToString();
+            stackTrace = LineEndingsHelper.RemoveLineEndings(stackTrace);
+            var trace = string.Join(string.Empty, stackTrace.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries));
+
+            var expected = string.Join(string.Empty, new[] {
+                "System.ArgumentException: Value does not fall within the expected range.",
+                "   at bool Ben.Demystifier.Test.MethodTests.MethodWithDynamic(dynamic value)",
+                "   at void Ben.Demystifier.Test.MethodTests.DemistifiesMethodWithDynamic()"});
+
+            Assert.Equal(expected, trace);
+        }
+
+        private bool MethodWithNullableInt(int? number) => throw new ArgumentException();
+
+        private bool MethodWithDynamic(dynamic value) => throw new ArgumentException();
+    }
+}