From d66392a3fbc20dcb85442dcf987f2b7168948d8d Mon Sep 17 00:00:00 2001
From: Sebastian Pipping <sebastian@pipping.org>
Date: Sun, 18 Jun 2023 16:59:13 +0200
Subject: [PATCH] main.yml: Enforce that use of @pytest.mark.online remains
 complete

---
 .github/workflows/main.yml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 54b1ef7..78290da 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -31,5 +31,13 @@ jobs:
       - name: Run tests with tox
         run: tox
 
+      - name: Run offline tests with tox with no access to the Internet
+        run: |
+          # We're using unshare to take Internet access
+          # away from tox so that we'll notice whenever some new test
+          # is missing @pytest.mark.online decoration in the future
+          unshare --map-root-user --net -- \
+              sh -c 'ip link set lo up; tox -- -m "not online"'
+
       - name: Run coverage
         run: codecov