1 files changed, 30 insertions, 0 deletions
diff --git a/python/mozlint/test/linters/external.lint b/python/mozlint/test/linters/external.lint
new file mode 100644
index 000000000..dcae419db
--- /dev/null
+++ b/python/mozlint/test/linters/external.lint
@@ -0,0 +1,30 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+from mozlint import result
+
+
+def lint(files, **lintargs):
+    results = []
+    for path in files:
+        with open(path, 'r') as fh:
+            for i, line in enumerate(fh.readlines()):
+                if 'foobar' in line:
+                    results.append(result.from_linter(
+                        LINTER, path=path, lineno=i+1, column=1, rule="no-foobar"))
+    return results
+
+
+LINTER = {
+    'name': "ExternalLinter",
+    'description': "It's bad to have the string foobar in js files.",
+    'include': [
+        'files',
+    ],
+    'type': 'external',
+    'extensions': ['.js', '.jsm'],
+    'payload': lint,
+}