test: extract common function for reuse

Signed-off-by: Mike Fiedler <miketheman@gmail.com>

tests/common.py

@@ -0,0 +1,16 @@
+"""
+Common test functions.
+"""
+
+
+def assert_socket_blocked(result, passed=0, skipped=0, failed=1):
+    """
+    Uses built in methods to test for common failure scenarios.
+    Usually we only test for a single failure,
+    but sometimes we want to test for multiple conditions,
+    so we can pass in the expected counts.
+    """
+    result.assert_outcomes(passed=passed, skipped=skipped, failed=failed)
+    result.stdout.fnmatch_lines(
+        "*Socket*Blocked*Error: A test tried to use socket.socket.*"
+    )

tests/test_async.py

@@ -1,5 +1,5 @@
 from conftest import unix_sockets_only
-from test_socket import assert_socket_blocked
+from tests.common import assert_socket_blocked
 
 
 @unix_sockets_only

tests/test_precedence.py

@@ -1,16 +1,7 @@
 """Test module to express precedence tests between the different
 configuration combinations"""
 
-
-def assert_socket_blocked(result, passed=0, skipped=0, failed=1):
-    """Uses built in methods to test for common failure scenarios.
-    Usually we only test for a single failure,
-    but sometimes we want to test for multiple conditions,
-    so we can pass in the expected counts."""
-    result.assert_outcomes(passed=passed, skipped=skipped, failed=failed)
-    result.stdout.fnmatch_lines(
-        "*Socket*Blocked*Error: A test tried to use socket.socket.*"
-    )
+from tests.common import assert_socket_blocked
 
 
 def test_disable_via_fixture(testdir):

tests/test_socket.py

@@ -1,6 +1,7 @@
 import pytest
 
 from conftest import unix_sockets_only
+from tests.common import assert_socket_blocked
 
 PYFILE_SOCKET_USED_IN_TEST_ARGS = """
     import socket
@@ -26,13 +27,6 @@ def test_socket():
 """
 
 
-def assert_socket_blocked(result):
-    result.assert_outcomes(passed=0, skipped=0, failed=1)
-    result.stdout.fnmatch_lines(
-        "*SocketBlockedError: A test tried to use socket.socket.*"
-    )
-
-
 @pytest.mark.parametrize(
     "pyfile",
     [