From a83c557855502cee5e81a80a2c185d149099eb66 Mon Sep 17 00:00:00 2001
From: Jason Carver <ut96caarrs@snkmail.com>
Date: Tue, 27 Feb 2018 11:55:43 -0800
Subject: [PATCH] xfail backends that can't handle pending raw txns

---
 eth_tester/utils/backend_testing.py | 3 +++
 pytest.ini                          | 1 +
 2 files changed, 4 insertions(+)

diff --git a/eth_tester/utils/backend_testing.py b/eth_tester/utils/backend_testing.py
index b595931f..c04812ef 100644
--- a/eth_tester/utils/backend_testing.py
+++ b/eth_tester/utils/backend_testing.py
@@ -264,6 +264,9 @@ def test_mine_multiple_blocks(self, eth_tester):
     #
     @pytest.mark.parametrize('is_pending', [True, False])
     def test_send_raw_transaction_valid_raw_transaction(self, eth_tester, is_pending):
+        if is_pending and not hasattr(eth_tester.backend, 'send_signed_transaction'):
+            pytest.xfail("backend does not support presigned pending transactions")
+
         # send funds to our sender
         raw_privkey = b'\x11' * 32
         test_key = keys.PrivateKey(raw_privkey)
diff --git a/pytest.ini b/pytest.ini
index 849629ca..8547a192 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -1,3 +1,4 @@
 [pytest]
 addopts= -v --showlocals
 python_paths= .
+xfail_strict=True