From 0dd1c8bf14d25521d7a0af1bb637fa0699dca57f Mon Sep 17 00:00:00 2001
From: Bruno Oliveira <nicoddemus@gmail.com>
Date: Mon, 11 Jul 2016 20:44:46 -0300
Subject: [PATCH] Add test to ensure capsys and capfd error out when using
 "getfixturevalue" inside a test

---
 testing/test_capture.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/testing/test_capture.py b/testing/test_capture.py
index 2e69cfc85..c197c85e7 100644
--- a/testing/test_capture.py
+++ b/testing/test_capture.py
@@ -421,6 +421,25 @@ class TestCaptureFixture:
             "*capsys*capfd*same*time*",
             "*2 error*"])
 
+    def test_capturing_getfixturevalue(self, testdir):
+        """Test that asking for "capfd" and "capsys" using request.getfixturevalue
+        in the same test is an error.
+        """
+        testdir.makepyfile("""
+            def test_one(capsys, request):
+                request.getfixturevalue("capfd")
+            def test_two(capfd, request):
+                request.getfixturevalue("capsys")
+        """)
+        result = testdir.runpytest()
+        result.stdout.fnmatch_lines([
+            "*test_one*",
+            "*capsys*capfd*same*time*",
+            "*test_two*",
+            "*capsys*capfd*same*time*",
+            "*2 failed in*",
+        ])
+
     @pytest.mark.parametrize("method", ["sys", "fd"])
     def test_capture_is_represented_on_failure_issue128(self, testdir, method):
         p = testdir.makepyfile("""