From 2072395eb4143ef7e38aeb6da164ead2fec81b6e Mon Sep 17 00:00:00 2001
From: dariomesic <dario.mesic.zg@gmail.com>
Date: Wed, 29 Oct 2025 23:50:24 +0100
Subject: [PATCH 1/2] Style: Use type.__name__ in raises error messages for
 consistency

---
 changelog/13862.improvement.rst | 1 +
 src/_pytest/raises.py           | 9 +++++----
 testing/python/raises.py        | 6 +++---
 testing/python/raises_group.py  | 4 ++--
 4 files changed, 11 insertions(+), 9 deletions(-)
 create mode 100644 changelog/13862.improvement.rst

diff --git a/changelog/13862.improvement.rst b/changelog/13862.improvement.rst
new file mode 100644
index 00000000000..6a89cbc323b
--- /dev/null
+++ b/changelog/13862.improvement.rst
@@ -0,0 +1 @@
+Improved the readability of "DID NOT RAISE" error messages by using the exception type's name instead of its `repr`.
diff --git a/src/_pytest/raises.py b/src/_pytest/raises.py
index ad56a8c14d2..f6b90d97b61 100644
--- a/src/_pytest/raises.py
+++ b/src/_pytest/raises.py
@@ -704,10 +704,11 @@ def __exit__(
         if exc_type is None:
             if not self.expected_exceptions:
                 fail("DID NOT RAISE any exception")
-            if len(self.expected_exceptions) > 1:
-                fail(f"DID NOT RAISE any of {self.expected_exceptions!r}")
-
-            fail(f"DID NOT RAISE {self.expected_exceptions[0]!r}")
+            if len(self.expected_exceptions) == 1:
+                fail(f"DID NOT RAISE {self.expected_exceptions[0].__name__}")
+            else:
+                names = ", ".join(f"{x.__name__}" for x in self.expected_exceptions)
+                fail(f"DID NOT RAISE any of ({names})")
 
         assert self.excinfo is not None, (
             "Internal error - should have been constructed in __enter__"
diff --git a/testing/python/raises.py b/testing/python/raises.py
index 0bf02a8063f..3db9f160320 100644
--- a/testing/python/raises.py
+++ b/testing/python/raises.py
@@ -194,7 +194,7 @@ def test_no_raise_message(self) -> None:
         try:
             pytest.raises(ValueError, int, "0")
         except pytest.fail.Exception as e:
-            assert e.msg == f"DID NOT RAISE {ValueError!r}"
+            assert e.msg == f"DID NOT RAISE ValueError"
         else:
             assert False, "Expected pytest.raises.Exception"
 
@@ -202,7 +202,7 @@ def test_no_raise_message(self) -> None:
             with pytest.raises(ValueError):
                 pass
         except pytest.fail.Exception as e:
-            assert e.msg == f"DID NOT RAISE {ValueError!r}"
+            assert e.msg == f"DID NOT RAISE ValueError"
         else:
             assert False, "Expected pytest.raises.Exception"
 
@@ -333,7 +333,7 @@ class ClassLooksIterableException(Exception, metaclass=Meta):
 
         with pytest.raises(
             Failed,
-            match=r"DID NOT RAISE <class 'raises(\..*)*ClassLooksIterableException'>",
+            match=r"DID NOT RAISE ClassLooksIterableException",
         ):
             pytest.raises(ClassLooksIterableException, lambda: None)
 
diff --git a/testing/python/raises_group.py b/testing/python/raises_group.py
index 0247b118c58..aa9ca6d3d85 100644
--- a/testing/python/raises_group.py
+++ b/testing/python/raises_group.py
@@ -1099,7 +1099,7 @@ def test_raisesexc() -> None:
 
     # FIXME: leaving this one formatted differently for now to not change
     # tests in python/raises.py
-    with pytest.raises(Failed, match=wrap_escape("DID NOT RAISE <class 'ValueError'>")):
+    with pytest.raises(Failed, match=wrap_escape("DID NOT RAISE ValueError")):
         with RaisesExc(ValueError):
             ...
 
@@ -1111,7 +1111,7 @@ def test_raisesexc() -> None:
         # FIXME: do we want repr(type) or type.__name__ ?
         Failed,
         match=wrap_escape(
-            "DID NOT RAISE any of (<class 'ValueError'>, <class 'TypeError'>)"
+            "DID NOT RAISE any of (ValueError, TypeError)"
         ),
     ):
         with RaisesExc((ValueError, TypeError)):

From c1bcde5fc16a58d76b35ef8e927e081ec6696a0c Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Thu, 30 Oct 2025 14:20:41 +0000
Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 testing/python/raises.py       | 4 ++--
 testing/python/raises_group.py | 4 +---
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/testing/python/raises.py b/testing/python/raises.py
index 3db9f160320..203bc8e74ba 100644
--- a/testing/python/raises.py
+++ b/testing/python/raises.py
@@ -194,7 +194,7 @@ def test_no_raise_message(self) -> None:
         try:
             pytest.raises(ValueError, int, "0")
         except pytest.fail.Exception as e:
-            assert e.msg == f"DID NOT RAISE ValueError"
+            assert e.msg == "DID NOT RAISE ValueError"
         else:
             assert False, "Expected pytest.raises.Exception"
 
@@ -202,7 +202,7 @@ def test_no_raise_message(self) -> None:
             with pytest.raises(ValueError):
                 pass
         except pytest.fail.Exception as e:
-            assert e.msg == f"DID NOT RAISE ValueError"
+            assert e.msg == "DID NOT RAISE ValueError"
         else:
             assert False, "Expected pytest.raises.Exception"
 
diff --git a/testing/python/raises_group.py b/testing/python/raises_group.py
index aa9ca6d3d85..25eb5ae0a49 100644
--- a/testing/python/raises_group.py
+++ b/testing/python/raises_group.py
@@ -1110,9 +1110,7 @@ def test_raisesexc() -> None:
     with pytest.raises(
         # FIXME: do we want repr(type) or type.__name__ ?
         Failed,
-        match=wrap_escape(
-            "DID NOT RAISE any of (ValueError, TypeError)"
-        ),
+        match=wrap_escape("DID NOT RAISE any of (ValueError, TypeError)"),
     ):
         with RaisesExc((ValueError, TypeError)):
             ...