1 files changed, 29 insertions, 0 deletions
diff --git a/third_party/python/pytest/testing/test_modimport.py b/third_party/python/pytest/testing/test_modimport.py
new file mode 100644
index 0000000000..f7b92a0b6f
--- /dev/null
+++ b/third_party/python/pytest/testing/test_modimport.py
@@ -0,0 +1,29 @@
+import py
+import subprocess
+import sys
+import pytest
+import _pytest
+
+MODSET = [
+    x
+    for x in py.path.local(_pytest.__file__).dirpath().visit("*.py")
+    if x.purebasename != "__init__"
+]
+
+
+@pytest.mark.parametrize("modfile", MODSET, ids=lambda x: x.purebasename)
+def test_fileimport(modfile):
+    # this test ensures all internal packages can import
+    # without needing the pytest namespace being set
+    # this is critical for the initialization of xdist
+
+    res = subprocess.call(
+        [
+            sys.executable,
+            "-c",
+            "import sys, py; py.path.local(sys.argv[1]).pyimport()",
+            modfile.strpath,
+        ]
+    )
+    if res:
+        pytest.fail("command result %s" % res)