tests: Expand and fix tests with set-based tags

[etc/taskwarrior.git] / tasklib / lazy.py

diff --git a/tasklib/lazy.py b/tasklib/lazy.py
index d294341e13249426de073b6ae3bbad2cf010e505..527a9955fc0a95360b378099a913ca5de4937779 100644 (file)
--- a/tasklib/lazy.py
+++ b/tasklib/lazy.py
@@ -49,6 +49,14 @@ class LazyUUIDTask(object):
         """
         return True
 
+    @property
+    def _modified_fields(self):
+        return set()
+
+    @property
+    def modified(self):
+        return False
+
     def replace(self):
         """
         Performs conversion to the regular Task object, referenced by the
@@ -132,6 +140,15 @@ class LazyUUIDTaskSet(object):
     def __rxor__(self, other):
         return self.symmetric_difference(other)
 
+    def __and__(self, other):
+        return self.intersection(other)
+
+    def __iand__(self, other):
+        return self.intersection_update(other)
+
+    def __rand__(self, other):
+        return self.intersection(other)
+
     def __le__(self, other):
         return self.issubset(other)