Newer coverage plugin updates env-vars, ignore in pytest plugin (#1854)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
tox-dev · Jan 19, 2021 · 1d23293 · 1d23293
1 parent 6624a8c
commit 1d23293
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/docs/changelog/1854.bugfix.rst b/docs/changelog/1854.bugfix.rst
@@ -0,0 +1,2 @@
+Newer coverage tools update the ``COV_CORE_CONTEXT`` environment variable, add it to the list of environment variables
+that can change in our pytest plugin - by :user:`gaborbernat`.
diff --git a/src/tox/_pytestplugin.py b/src/tox/_pytestplugin.py
@@ -87,7 +87,7 @@ def check_os_environ_stable():
     diff = {
         "{} = {} vs {}".format(k, old[k], new[k])
         for k in set(old) & set(new)
-        if old[k] != new[k] and not k.startswith("PYTEST_")
+        if old[k] != new[k] and not (k.startswith("PYTEST_") or k.startswith("COV_"))
     }
     if extra or miss or diff:
         msg = "test changed environ"
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		Newer coverage tools update the ``COV_CORE_CONTEXT`` environment variable, add it to the list of environment variables
		that can change in our pytest plugin - by :user:`gaborbernat`.