Add tests for the dot output

test/data/ListCommandDotTest.txt

+(C) 2015-11-05 Foo @Context2 Not@Context +Project1 Not+Project due:2016-11-18 t:2016-11-17
+(D) Bar @Context1 +Project2 p:1
+(C) Baz @Context1 +Project1 key:value id:1
+(C) Drink beer @ home
+
+(C) 13 + 29 = 42
+x 2014-12-12 Completed but with date:2014-12-12

test/data/ListCommandTest.dot

+digraph topydo {
+node [ shape="none" margin="0" fontsize="9" fontname="Helvetica" ]
+  _1 [label=<<TABLE CELLBORDER="0" CELLSPACING="1" VALIGN="top"><TR><TD><B>1</B></TD><TD BALIGN="LEFT"><B>Foo @Context2 Not@Context +Project1<BR />Not+Project</B></TD></TR><HR/><TR><TD ALIGN="RIGHT">Prio:</TD><TD ALIGN="LEFT">C</TD></TR><TR><TD ALIGN="RIGHT">Starts:</TD><TD ALIGN="LEFT">2016-11-17 (today)</TD></TR><TR><TD ALIGN="RIGHT">Due:</TD><TD ALIGN="LEFT">2016-11-18 (in a day)</TD></TR></TABLE>> style=filled fillcolor="#008000" fontcolor="#ffffff"]
+  _3 [label=<<TABLE CELLBORDER="0" CELLSPACING="1" VALIGN="top"><TR><TD><B>3</B></TD><TD BALIGN="LEFT"><B>Baz @Context1 +Project1</B></TD></TR><HR/><TR><TD ALIGN="RIGHT">Prio:</TD><TD ALIGN="LEFT">C</TD></TR></TABLE>> style=filled fillcolor="#008000" fontcolor="#ffffff"]
+  _4 [label=<<TABLE CELLBORDER="0" CELLSPACING="1" VALIGN="top"><TR><TD><B>4</B></TD><TD BALIGN="LEFT"><B>Drink beer @ home</B></TD></TR><HR/><TR><TD ALIGN="RIGHT">Prio:</TD><TD ALIGN="LEFT">C</TD></TR></TABLE>> style=filled fillcolor="#008000" fontcolor="#ffffff"]
+  _5 [label=<<TABLE CELLBORDER="0" CELLSPACING="1" VALIGN="top"><TR><TD><B>5</B></TD><TD BALIGN="LEFT"><B>13 + 29 = 42</B></TD></TR><HR/><TR><TD ALIGN="RIGHT">Prio:</TD><TD ALIGN="LEFT">C</TD></TR></TABLE>> style=filled fillcolor="#008000" fontcolor="#ffffff"]
+  _2 [label=<<TABLE CELLBORDER="0" CELLSPACING="1" VALIGN="top"><TR><TD><B>2</B></TD><TD BALIGN="LEFT"><B>Bar @Context1 +Project2</B></TD></TR><HR/><TR><TD ALIGN="RIGHT">Prio:</TD><TD ALIGN="LEFT">D</TD></TR></TABLE>> style=filled fillcolor="#008000" fontcolor="#ffffff"]
+  _6 [label=<<TABLE CELLBORDER="0" CELLSPACING="1" VALIGN="top"><TR><TD><B>6</B></TD><TD BALIGN="LEFT"><B><S>Completed but with</S></B></TD></TR></TABLE>> style=filled fillcolor="#008000" fontcolor="#ffffff"]
+  _3 -> _2
+  _1 -> _4 [style="invis"]
+  _4 -> _5 [style="invis"]
+  _5 -> _6 [style="invis"]
+}
+

test/test_list_command.py

@@ -18,6 +18,7 @@ import codecs
 import re
 import unittest
 from collections import namedtuple
+from freezegun import freeze_time
 
 from test.command_testcase import CommandTest
 from test.facilities import load_file_to_todolist
@@ -494,5 +495,29 @@ class ListCommandIcalTest(CommandTest):
                          replace_ical_tags(icaltext))
         self.assertEqual(self.errors, "")
 
+
+@freeze_time('2016, 11, 17')
+class ListCommandDotTest(CommandTest):
+    def setUp(self):
+        self.maxDiff = None
+
+    def test_dot(self):
+        todolist = load_file_to_todolist("test/data/ListCommandDotTest.txt")
+
+        command = ListCommand(["-x", "-f", "dot"], todolist, self.out,
+                              self.error)
+        command.execute()
+
+        self.assertFalse(todolist.dirty)
+
+        dottext = ""
+        with codecs.open('test/data/ListCommandTest.dot', 'r',
+                         encoding='utf-8') as dot:
+            dottext = dot.read()
+
+        self.assertEqual(self.output, dottext)
+        self.assertEqual(self.errors, "")
+
+
 if __name__ == '__main__':
     unittest.main()

topydo/lib/printers/Dot.py

@@ -36,10 +36,6 @@ class DotPrinter(Printer):
         self.todolist = p_todolist
 
     def print_list(self, p_todos):
-        def escape(p_text):
-            """ Escapes double quotes as they are special in attributes. """
-            return p_text.replace('"', '\\"')
-
         def node_label(p_todo):
             """
             Prints an HTML table for a node label with some todo details.