Improve test coverage of the IcalPrinter.

test/ListCommandTest.py

@@ -265,11 +265,14 @@ def replace_ical_tags(p_text):
 IS_PYTHON_32 = (sys.version_info.major, sys.version_info.minor) == (3, 2)
 
 class ListCommandIcalTest(CommandTest):
+    def setUp(self):
+        self.maxDiff = None
+
     @unittest.skipIf(IS_PYTHON_32, "icalendar is not supported for Python 3.2")
     def test_ical(self):
-        todolist = load_file_to_todolist("test/data/ListCommandTest.txt")
+        todolist = load_file_to_todolist("test/data/ListCommandIcalTest.txt")
 
-        command = ListCommand(["-f", "ical"], todolist, self.out, self.error)
+        command = ListCommand(["-x", "-f", "ical"], todolist, self.out, self.error)
         command.execute()
 
         self.assertTrue(todolist.is_dirty())

test/data/ListCommandIcalTest.txt

+(C) Foo @Context2 Not@Context +Project1 Not+Project
+(D) Bar @Context1 +Project2 p:1 due:2015-06-06
+(C) Baz @Context1 +Project1 key:value id:1
+(C) 2015-06-06 Drink beer @ home
+(G) 13 + 29 = 42
+(C) Only a start date t:2015-06-06
+x 2015-06-06 A completed item due:2015-05-05

topydo/lib/IcalPrinter.py

@@ -75,9 +75,6 @@ class IcalPrinter(Printer):
             # too much. Therefore just disable the iCalendar functionality
             self.icalendar = None
 
-    def print_todo(self, p_todo):
-        return self._convert_todo(p_todo).to_ical() if self.icalendar else ""
-
     def print_list(self, p_todos):
         result = ""