added test to raise error
diff --git a/src/cryptography/x509/extensions.py b/src/cryptography/x509/extensions.py
index 09d7650..0adf9e2 100644
--- a/src/cryptography/x509/extensions.py
+++ b/src/cryptography/x509/extensions.py
@@ -86,7 +86,7 @@
return ext
raise ExtensionNotFound(
- "No {0} extension was found".format(extclass), extclass
+ "No {0} extension was found".format(extclass), extclass.oid
)
def __iter__(self):
diff --git a/tests/test_x509_ext.py b/tests/test_x509_ext.py
index 2d3339c..040347d 100644
--- a/tests/test_x509_ext.py
+++ b/tests/test_x509_ext.py
@@ -832,6 +832,22 @@
extensions = cert.extensions
assert len(extensions) == 0
+ def test_no_extensions_get_for_class(self, backend):
+ cert = _load_cert(
+ os.path.join(
+ "x509", "verisign_md2_root.pem"
+ ),
+ x509.load_pem_x509_certificate,
+ backend
+ )
+ ext = cert.extensions
+ assert len(ext) == 0
+ assert list(ext) == []
+ with pytest.raises(x509.ExtensionNotFound) as exc:
+ ext.get_extension_for_class(x509.BasicConstraints)
+
+ assert exc.value.oid == ExtensionOID.BASIC_CONSTRAINTS
+
def test_one_extension_get_for_class(self, backend):
cert = _load_cert(
os.path.join(