Improve ExceptionInfo.__repr__

3 files changed, 17 insertions, 3 deletions

diff --git a/doc/5934.feature.rst b/doc/5934.feature.rst
new file mode 100644
index 000000000..17c0b1737
--- /dev/null
+++ b/doc/5934.feature.rst
@@ -0,0 +1 @@
+``repr`` of ``ExceptionInfo`` objects has been improved to honor the ``__repr__`` method of the underlying exception.
diff --git a/src/_pytest/_code/code.py b/src/_pytest/_code/code.py
index 534bfe2a8..1d26d94ab 100644
--- a/src/_pytest/_code/code.py
+++ b/src/_pytest/_code/code.py
@@ -507,7 +507,9 @@ class ExceptionInfo(Generic[_E]):
     def __repr__(self) -> str:
         if self._excinfo is None:
             return "<ExceptionInfo for raises contextmanager>"
-        return "<ExceptionInfo %s tblen=%d>" % (self.typename, len(self.traceback))
+        return "<{} {} tblen={}>".format(
+            self.__class__.__name__, saferepr(self._excinfo[1]), len(self.traceback)
+        )
 
     def exconly(self, tryshort: bool = False) -> str:
         """ return the exception as a string
diff --git a/testing/code/test_excinfo.py b/testing/code/test_excinfo.py
index e2f06a0a2..3f205b131 100644
--- a/testing/code/test_excinfo.py
+++ b/testing/code/test_excinfo.py
@@ -316,8 +316,19 @@ def test_excinfo_exconly():
 
 def test_excinfo_repr_str():
     excinfo = pytest.raises(ValueError, h)
-    assert repr(excinfo) == "<ExceptionInfo ValueError tblen=4>"
-    assert str(excinfo) == "<ExceptionInfo ValueError tblen=4>"
+    assert repr(excinfo) == "<ExceptionInfo ValueError() tblen=4>"
+    assert str(excinfo) == "<ExceptionInfo ValueError() tblen=4>"
+
+    class CustomException(Exception):
+        def __repr__(self):
+            return "custom_repr"
+
+    def raises():
+        raise CustomException()
+
+    excinfo = pytest.raises(CustomException, raises)
+    assert repr(excinfo) == "<ExceptionInfo custom_repr tblen=2>"
+    assert str(excinfo) == "<ExceptionInfo custom_repr tblen=2>"
 
 
 def test_excinfo_for_later():