1 files changed, 38 insertions, 0 deletions
diff --git a/python/mozlint/test/linters/global_payload.py b/python/mozlint/test/linters/global_payload.py
new file mode 100644
index 0000000000..ec620b6af1
--- /dev/null
+++ b/python/mozlint/test/linters/global_payload.py
@@ -0,0 +1,38 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import mozpack.path as mozpath
+from external import external
+from mozpack.files import FileFinder
+
+from mozlint import result
+
+
+def global_payload(config, **lintargs):
+    # A global linter that runs the external linter to actually lint.
+    finder = FileFinder(lintargs["root"])
+    files = [mozpath.join(lintargs["root"], p) for p, _ in finder.find("files/**")]
+    issues = external(files, config, **lintargs)
+    for issue in issues:
+        # Make issue look like it comes from this linter.
+        issue.linter = "global_payload"
+    return issues
+
+
+def global_skipped(config, **lintargs):
+    # A global linter that always registers a lint error.  Absence of
+    # this error shows that the path exclusion mechanism can cause
+    # global lint payloads to not be invoked at all.  In particular,
+    # the `extensions` field means that nothing under `files/**` will
+    # match.
+
+    finder = FileFinder(lintargs["root"])
+    files = [mozpath.join(lintargs["root"], p) for p, _ in finder.find("files/**")]
+
+    issues = []
+    issues.append(
+        result.from_config(
+            config, path=files[0], lineno=1, column=1, rule="not-skipped"
+        )
+    )