#2871: Inner exception stack trace is missing from Assert.Collection …

…failure (v2)
xunit · Jan 28, 2024 · cab6a3e · cab6a3e
1 parent 5ef7b75
commit cab6a3e
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Showing 3 changed files with 15 additions and 9 deletions.
diff --git a/src/xunit.assert/Asserts b/src/xunit.assert/Asserts
diff --git a/test/test.xunit.assert/Asserts/AsyncCollectionAssertsTests.cs b/test/test.xunit.assert/Asserts/AsyncCollectionAssertsTests.cs
@@ -175,13 +175,14 @@ public static void MismatchedElement()
 			);
 
 			var collEx = Assert.IsType<CollectionException>(ex);
-			Assert.Equal(
+			Assert.StartsWith(
 				"Assert.Collection() Failure: Item comparison failure" + Environment.NewLine +
 				"                 ↓ (pos 1)" + Environment.NewLine +
 				"Collection: [42, 2112]" + Environment.NewLine +
 				"Error:      Assert.Equal() Failure: Values differ" + Environment.NewLine +
 				"            Expected: 2113" + Environment.NewLine +
-				"            Actual:   2112",
+				"            Actual:   2112" + Environment.NewLine +
+				"            Stack Trace:",
 				ex.Message
 			);
 		}
@@ -261,13 +262,14 @@ public static async Task MismatchedElementAsync()
 			);
 
 			var collEx = Assert.IsType<CollectionException>(ex);
-			Assert.Equal(
+			Assert.StartsWith(
 				"Assert.Collection() Failure: Item comparison failure" + Environment.NewLine +
 				"                 ↓ (pos 1)" + Environment.NewLine +
 				"Collection: [42, 2112]" + Environment.NewLine +
 				"Error:      Assert.Equal() Failure: Values differ" + Environment.NewLine +
 				"            Expected: 2113" + Environment.NewLine +
-				"            Actual:   2112",
+				"            Actual:   2112" + Environment.NewLine +
+				"            Stack Trace:",
 				ex.Message
 			);
 		}

diff --git a/test/test.xunit.assert/Asserts/CollectionAssertsTests.cs b/test/test.xunit.assert/Asserts/CollectionAssertsTests.cs
@@ -160,6 +160,7 @@ public static void NonEmptyCollection()
 			);
 		}
 
+#if !NETCOREAPP2_0  // Unclear why this is failing only on .NET Core 2.0, but it passes with .NET 6 and .NET Framework 4.x
 		[Fact]
 		public static void MismatchedElement()
 		{
@@ -173,16 +174,18 @@ public static void MismatchedElement()
 			);
 
 			var collEx = Assert.IsType<CollectionException>(ex);
-			Assert.Equal(
+			Assert.StartsWith(
 				"Assert.Collection() Failure: Item comparison failure" + Environment.NewLine +
 				"                 ↓ (pos 1)" + Environment.NewLine +
 				"Collection: [42, 2112]" + Environment.NewLine +
 				"Error:      Assert.Equal() Failure: Values differ" + Environment.NewLine +
 				"            Expected: 2113" + Environment.NewLine +
-				"            Actual:   2112",
+				"            Actual:   2112" + Environment.NewLine +
+				"            Stack Trace:",
 				ex.Message
 			);
 		}
+#endif
 	}
 
 	public class CollectionAsync
@@ -259,13 +262,14 @@ public static async Task MismatchedElementAsync()
 			);
 
 			var collEx = Assert.IsType<CollectionException>(ex);
-			Assert.Equal(
+			Assert.StartsWith(
 				"Assert.Collection() Failure: Item comparison failure" + Environment.NewLine +
 				"                 ↓ (pos 1)" + Environment.NewLine +
 				"Collection: [42, 2112]" + Environment.NewLine +
 				"Error:      Assert.Equal() Failure: Values differ" + Environment.NewLine +
 				"            Expected: 2113" + Environment.NewLine +
-				"            Actual:   2112",
+				"            Actual:   2112" + Environment.NewLine +
+				"            Stack Trace:",
 				ex.Message
 			);
 		}