diff --git a/test/test_patatools/.gitignore b/test/test_patatools/.gitignore
new file mode 100644
index 00000000..16d3c4db
--- /dev/null
+++ b/test/test_patatools/.gitignore
@@ -0,0 +1 @@
+.cache
diff --git a/test/test_patatools/__init__.py b/test/test_patatools/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/test/test_patatools/test_cache.py b/test/test_patatools/test_cache.py
new file mode 100644
index 00000000..daa47af1
--- /dev/null
+++ b/test/test_patatools/test_cache.py
@@ -0,0 +1,41 @@
+"""Tests of the patatools-convert command."""
+
+# pylint: disable=too-few-public-methods
+
+import os
+import shutil
+import unittest
+
+from patacrep.tools import convert
+
+CACHEDIR = os.path.join(os.path.dirname(__file__), "test_cache_datadir", "songs", ".cache")
+
+class TestCache(unittest.TestCase):
+    """Test of the "patatools cache" subcommand"""
+
+    def setUp(self):
+        """Remove cache."""
+        self._remove_cache()
+
+    def tearDown(self):
+        """Remove cache."""
+        self._remove_cache()
+
+    def _remove_cache(self):
+        """Delete cache."""
+        shutil.rmtree(CACHEDIR, ignore_errors=True)
+
+    def test_clean(self):
+        """Test of the "patatools cache clean" subcommand"""
+        # Cache does not exist
+        self.assertFalse(os.path.exists(CACHEDIR))
+
+        # First compilation. Ensure that cache exists afterwards
+        TODO
+        self.assertTrue(os.path.exists(CACHEDIR))
+
+        # Clean cache
+        TODO
+
+        # Ensure that cache does not exist
+        self.assertFalse(os.path.exists(CACHEDIR))
diff --git a/test/test_patatools/test_cache.sb b/test/test_patatools/test_cache.sb
new file mode 100644
index 00000000..a7f15748
--- /dev/null
+++ b/test/test_patatools/test_cache.sb
@@ -0,0 +1,3 @@
+{
+"datadir": ["test_cache_datadir"],
+}
diff --git a/test/test_patatools/test_cache_datadir/songs/foo.csg b/test/test_patatools/test_cache_datadir/songs/foo.csg
new file mode 100644
index 00000000..e69de29b
diff --git a/test/test_patatools/test_convert.py b/test/test_patatools/test_convert.py
new file mode 100644
index 00000000..e69de29b