Test AuthFailure

3 files changed, 21 insertions, 0 deletions

diff --git a/paramiko/__init__.py b/paramiko/__init__.py
index aa1463e7..476062ef 100644
--- a/paramiko/__init__.py
+++ b/paramiko/__init__.py
@@ -33,6 +33,7 @@ from paramiko.client import (
 )
 from paramiko.auth_handler import AuthHandler
 from paramiko.auth_strategy import (
+    AuthFailure,
     AuthStrategy,
     AuthResult,
     AuthSource,
diff --git a/tests/auth.py b/tests/auth.py
index bd81578a..4ede3240 100644
--- a/tests/auth.py
+++ b/tests/auth.py
@@ -11,6 +11,7 @@ from pytest import raises
 from paramiko import (
     AgentKey,
     AuthenticationException,
+    AuthFailure,
     AuthResult,
     AuthSource,
     AuthStrategy,
@@ -492,5 +493,23 @@ class AuthResult_:
             assert str(result) == "NoneAuth() -> success"
 
 
+class AuthFailure_:
+    def is_an_AuthenticationException(self):
+        assert isinstance(AuthFailure(None), AuthenticationException)
+
+    def init_requires_result(self):
+        with raises(TypeError):
+            AuthFailure()
+        result = AuthResult(None)
+        fail = AuthFailure(result=result)
+        assert fail.result is result
+
+    def str_is_newline_plus_result_str(self):
+        result = AuthResult(None)
+        result.append(SourceResult(NoneAuth("foo"), Exception("onoz")))
+        fail = AuthFailure(result)
+        assert str(fail) == "\nNoneAuth() -> onoz"
+
+
 class AuthStrategy_:
     pass
diff --git a/tests/test_util.py b/tests/test_util.py
index 060e6249..a2a8224e 100644
--- a/tests/test_util.py
+++ b/tests/test_util.py
@@ -49,6 +49,7 @@ class UtilTest(unittest.TestCase):
             "Agent",
             "AgentKey",
             "AuthenticationException",
+            "AuthFailure",
             "AuthHandler",
             "AuthResult",
             "AuthSource",