def test_intersect_unable():
# A fits just before B
A = TimeSlot('2013-05-12T08:00:00+00:00', '2013-05-12T09:00:00+00:00')
B = TimeSlot('2013-05-12T09:00:00+00:00', '2013-05-12T10:00:00+00:00')
assert A.intersect(B) == None and B.intersect(A) == None
# A fits just after B
A = TimeSlot('2013-05-12T10:00:00+00:00', '2013-05-12T11:00:00+00:00')
B = TimeSlot('2013-05-12T09:00:00+00:00', '2013-05-12T10:00:00+00:00')
assert A.intersect(B) == None and B.intersect(A) == None
def test_intersect_able():
# A front overlaps B
A = TimeSlot('2013-05-12T08:00:00+00:00', '2013-05-12T09:30:00+00:00')
B = TimeSlot('2013-05-12T09:00:00+00:00', '2013-05-12T10:00:00+00:00')
ansAB = TimeSlot('2013-05-12T09:00:00+00:00', '2013-05-12T09:30:00+00:00')
ansBA = TimeSlot('2013-05-12T09:00:00+00:00', '2013-05-12T09:30:00+00:00')
assert ansAB.equals(A.intersect(B)) and ansBA.equals(B.intersect(A))
# A back overlaps B
A = TimeSlot('2013-05-12T09:30:00+00:00', '2013-05-12T12:00:00+00:00')
B = TimeSlot('2013-05-12T09:00:00+00:00', '2013-05-12T10:00:00+00:00')
ansAB = TimeSlot('2013-05-12T09:30:00+00:00', '2013-05-12T10:00:00+00:00')
ansBA = TimeSlot('2013-05-12T09:30:00+00:00', '2013-05-12T10:00:00+00:00')
assert ansAB.equals(A.intersect(B)) and ansBA.equals(B.intersect(A))
# A same as B
A = TimeSlot('2013-05-12T09:00:00+00:00', '2013-05-12T10:00:00+00:00')
B = TimeSlot('2013-05-12T09:00:00+00:00', '2013-05-12T10:00:00+00:00')
ansAB = TimeSlot('2013-05-12T09:00:00+00:00', '2013-05-12T10:00:00+00:00')
ansBA = TimeSlot('2013-05-12T09:00:00+00:00', '2013-05-12T10:00:00+00:00')
assert ansAB.equals(A.intersect(B)) and ansBA.equals(B.intersect(A))
# A completely overlaps B
A = TimeSlot('2013-05-12T08:00:00+00:00', '2013-05-12T12:00:00+00:00')
B = TimeSlot('2013-05-12T08:00:00+00:00', '2013-05-12T10:00:00+00:00')
ansAB = TimeSlot('2013-05-12T08:00:00+00:00', '2013-05-12T10:00:00+00:00')
ansBA = TimeSlot('2013-05-12T08:00:00+00:00', '2013-05-12T10:00:00+00:00')
assert ansAB.equals(A.intersect(B)) and ansBA.equals(B.intersect(A))