1 files changed, 57 insertions, 0 deletions
diff --git a/examples/bzlmod/entry_points/tests/pylint_test.py b/examples/bzlmod/entry_points/tests/pylint_test.py
new file mode 100644
index 0000000..c253293
--- /dev/null
+++ b/examples/bzlmod/entry_points/tests/pylint_test.py
@@ -0,0 +1,57 @@
+# Copyright 2023 The Bazel Authors. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import pathlib
+import subprocess
+import unittest
+
+from python.runfiles import runfiles
+
+
+class ExampleTest(unittest.TestCase):
+    def __init__(self, *args, **kwargs):
+        self.maxDiff = None
+
+        super().__init__(*args, **kwargs)
+
+    def test_pylint_entry_point(self):
+        rlocation_path = os.environ.get("ENTRY_POINT")
+        assert (
+            rlocation_path is not None
+        ), "expected 'ENTRY_POINT' env variable to be set to rlocation of the tool"
+
+        entry_point = pathlib.Path(runfiles.Create().Rlocation(rlocation_path))
+        self.assertTrue(entry_point.exists(), f"'{entry_point}' does not exist")
+
+        # Let's run the entrypoint and check the tool version.
+        #
+        # NOTE @aignas 2023-08-24: the Windows python launcher with Python 3.9 and bazel 6 is not happy if we start
+        # passing extra files via `subprocess.run` and it starts to fail with an error that the file which is the
+        # entry_point cannot be found. However, just calling `--version` seems to be fine.
+        proc = subprocess.run(
+            [str(entry_point), "--version"],
+            check=True,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+        )
+        self.assertEqual(
+            "",
+            proc.stderr.decode("utf-8").strip(),
+        )
+        self.assertRegex(proc.stdout.decode("utf-8").strip(), "^pylint 2\.15\.9")
+
+
+if __name__ == "__main__":
+    unittest.main()