1 files changed, 24 insertions, 0 deletions
diff --git a/tools/lint/test/test_pylint.py b/tools/lint/test/test_pylint.py
new file mode 100644
index 0000000000..6ee2217089
--- /dev/null
+++ b/tools/lint/test/test_pylint.py
@@ -0,0 +1,24 @@
+import mozunit
+
+LINTER = "pylint"
+
+
+def test_lint_single_file(lint, paths):
+    results = lint(paths("bad.py"))
+    assert len(results) == 3
+    assert results[1].rule == "E0602"
+    assert results[2].rule == "W0101"
+    assert results[2].lineno == 5
+
+    # run lint again to make sure the previous results aren't counted twice
+    results = lint(paths("bad.py"))
+    assert len(results) == 3
+
+
+def test_lint_single_file_good(lint, paths):
+    results = lint(paths("good.py"))
+    assert len(results) == 0
+
+
+if __name__ == "__main__":
+    mozunit.main()