lps_gen.py: Update LPiCal.

* lps_gen.py (LPiCal.__init__): Use format function for formatted
  string.
* tests/test_lps_gen.py (TestLPiCal.test_init): New test.

2 files changed, 12 insertions, 1 deletions

diff --git a/lps_gen.py b/lps_gen.py
index 6c3d99e..25aae72 100644
--- a/lps_gen.py
+++ b/lps_gen.py
@@ -109,7 +109,7 @@ class LPiCal(object):
         self.cal = Calendar()
         self.cal.add('prodid', '-//lpschedule generator//mxm.dk//')
         self.cal.add('version', '2.0')
-        self.cal.add('x-wr-calname', 'LibrePlanet %s' % self.lp_year)
+        self.cal.add('x-wr-calname', 'LibrePlanet {}'.format(self.lp_year))
 
         # RFC 2445 requires DTSTAMP to be in UTC. DTSTAMP is used in
         # VEVENT (Event object, see `add_event` method).
diff --git a/tests/test_lps_gen.py b/tests/test_lps_gen.py
index f907b6e..41f6803 100644
--- a/tests/test_lps_gen.py
+++ b/tests/test_lps_gen.py
@@ -135,6 +135,17 @@ class TestLPiCal(object):
         self.lp_ical = LPiCal(self.lps_dict, '2019')
 
 
+    def test_init(self):
+        """Testing LPiCal.__init__.
+        """
+        lp_ical = LPiCal(self.lps_dict, '2019')
+
+        assert_equal(lp_ical.lp_year, '2019')
+        assert_equal(lp_ical.cal.get('x-wr-calname'),
+                     'LibrePlanet 2019')
+        assert_equal(lp_ical.ucounter, 0)
+
+
     def test_gen_uid(self):
         """Testing LPiCal.gen_uid.
         """