diff --git a/swh/fuse/tests/test_cli.py b/swh/fuse/tests/test_cli.py
new file mode 100644
index 0000000..d8ee8e7
--- /dev/null
+++ b/swh/fuse/tests/test_cli.py
@@ -0,0 +1,37 @@
+# Copyright (C) 2020 The Software Heritage developers
+# See the AUTHORS file at the top-level directory of this distribution
+# License: GNU General Public License version 3, or any later version
+# See top-level LICENSE file for more information
+
+from click.testing import CliRunner
+import yaml
+
+import swh.fuse.cli as cli
+
+# mount/umount commands are already tested when setting up the fuse_mntdir fixture
+
+
+def test_clean_command(tmp_path):
+    fake_metadata_db = tmp_path / "metadata.sqlite"
+    fake_blob_db = tmp_path / "blob.sqlite"
+    config_path = tmp_path / "config.yml"
+    config = {
+        "cache": {
+            "metadata": {"path": str(fake_metadata_db)},
+            "blob": {"path": str(fake_blob_db)},
+        },
+    }
+
+    fake_metadata_db.touch()
+    fake_blob_db.touch()
+    config_path.write_text(yaml.dump(config))
+
+    assert fake_metadata_db.exists()
+    assert fake_blob_db.exists()
+
+    CliRunner().invoke(
+        cli.fuse, args=["--config-file", str(config_path), "clean",],
+    )
+
+    assert not fake_metadata_db.exists()
+    assert not fake_blob_db.exists()