Properly check for the installed pdf tool

This fixes #42.

1 files changed, 21 insertions, 0 deletions

diff --git a/tests/test_utils.py b/tests/test_utils.py
new file mode 100644
index 0000000..4c122e0
--- /dev/null
+++ b/tests/test_utils.py
@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import unittest
+
+from paper2remarkable.exceptions import NoPDFToolError
+from paper2remarkable.utils import check_pdftool
+
+
+class TestUtils(unittest.TestCase):
+    def test_check_pdftool(self):
+        # Needs a system with both pdftk and qpdf available
+        self.assertEqual(check_pdftool("pdftk", "qpdf"), "pdftk")
+        self.assertEqual(check_pdftool("pdftk_xyz", "qpdf"), "qpdf")
+        self.assertEqual(check_pdftool("pdftk", "qpdf_xyz"), "pdftk")
+        with self.assertRaises(NoPDFToolError):
+            check_pdftool("pdftk_xyz", "qpdf_xyz")
+
+
+if __name__ == "__main__":
+    unittest.main()