Improve coverage of JsonPrinter by printing a single todo item.

test/JsonPrinterTest.py

+# Topydo - A todo.txt client written in Python.
+# Copyright (C) 2015 Bram Schoenmakers <me@bramschoenmakers.nl>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from topydo.lib.JsonPrinter import JsonPrinter
+from topydo.lib.Todo import Todo
+from test.TopydoTest import TopydoTest
+
+class JsonPrinterTest(TopydoTest):
+    """
+    Tests the functionality of printing a single todo item. Printing a list is
+    already covered by the ListCommand tests.
+    """
+    def test_json(self):
+        """ Print a single todo item. """
+        printer = JsonPrinter()
+        todo = Todo('2015-06-06 Foo due:2015-05-32')
+
+        result = printer.print_todo(todo)
+
+        self.assertEqual(result, '{"completed": false, "completion_date": null, "contexts": [], "creation_date": "2015-06-06", "priority": null, "projects": [], "source": "2015-06-06 Foo due:2015-05-32", "tags": [["due", "2015-05-32"]], "text": "Foo"}')

test/ListCommandTest.py

@@ -224,7 +224,6 @@ class ListCommandUnicodeTest(CommandTest):
         self.assertEqual(self.output, expected)
 
 class ListCommandJsonTest(CommandTest):
-
     def test_json(self):
         todolist = load_file_to_todolist("test/data/ListCommandTest.txt")