def test_new_from_surround(self):
"""new range if one range surrounds another."""
# One range fully inside the other intersect() returns the smaller range
# 01 -------06 range
# 02--04 rangeInside
# 02--04 intersection
begin_time = self._strp("2010-01-01 12:00")
end_time = self._strp("2010-06-01 12:00")
range1 = TimeRange(begin_time, end_time)
begin_time_inside = self._strp("2010-02-01 12:00")
end_time_inside = self._strp("2010-04-01 12:00")
range_inside = TimeRange(begin_time_inside, end_time_inside)
self.assertTrue(range1.intersection(range_inside).equals(range_inside))
self.assertTrue(range_inside.intersection(range1).equals(range_inside))
def test_new_from_surround(self):
"""new range if one range surrounds another."""
# One range fully inside the other intersect() returns the smaller range
# 01 -------06 range
# 02--04 rangeInside
# 02--04 intersection
begin_time = self._strp("2010-01-01 12:00")
end_time = self._strp("2010-06-01 12:00")
range1 = TimeRange(begin_time, end_time)
begin_time_inside = self._strp("2010-02-01 12:00")
end_time_inside = self._strp("2010-04-01 12:00")
range_inside = TimeRange(begin_time_inside, end_time_inside)
self.assertTrue(range1.intersection(range_inside).equals(range_inside))
self.assertTrue(range_inside.intersection(range1).equals(range_inside))
def test_non_intersection(self):
"""compare if the ranges don't intersect."""
# Two non-overlapping ranges: intersect() returns undefined
begin_time = self._strp("2010-01-01 12:00")
end_time = self._strp("2010-06-01 12:00")
range1 = TimeRange(begin_time, end_time)
begin_time_outside = self._strp("2010-07-15 12:00")
end_time_outside = self._strp("2010-08-15 12:00")
range_outside = TimeRange(begin_time_outside, end_time_outside)
self.assertIsNone(range1.intersection(range_outside))
def test_non_intersection(self):
"""compare if the ranges don't intersect."""
# Two non-overlapping ranges: intersect() returns undefined
begin_time = self._strp("2010-01-01 12:00")
end_time = self._strp("2010-06-01 12:00")
range1 = TimeRange(begin_time, end_time)
begin_time_outside = self._strp("2010-07-15 12:00")
end_time_outside = self._strp("2010-08-15 12:00")
range_outside = TimeRange(begin_time_outside, end_time_outside)
self.assertIsNone(range1.intersection(range_outside))
def test_new_from_intersection(self):
"""new range if the ranges intersect."""
# Two overlapping ranges: intersect() returns
# 01 -------06 range
# 05-----07 rangeOverlap
# 05-06 intersection
begin_time = self._strp("2010-01-01 12:00")
end_time = self._strp("2010-06-01 12:00")
range1 = TimeRange(begin_time, end_time)
begin_time_overlap = self._strp("2010-05-01 12:00")
end_time_overlap = self._strp("2010-07-01 12:00")
range_overlap = TimeRange(begin_time_overlap, end_time_overlap)
expected = TimeRange(begin_time_overlap, end_time)
self.assertTrue(range1.intersection(range_overlap).equals(expected))
def test_new_from_intersection(self):
"""new range if the ranges intersect."""
# Two overlapping ranges: intersect() returns
# 01 -------06 range
# 05-----07 rangeOverlap
# 05-06 intersection
begin_time = self._strp("2010-01-01 12:00")
end_time = self._strp("2010-06-01 12:00")
range1 = TimeRange(begin_time, end_time)
begin_time_overlap = self._strp("2010-05-01 12:00")
end_time_overlap = self._strp("2010-07-01 12:00")
range_overlap = TimeRange(begin_time_overlap, end_time_overlap)
expected = TimeRange(begin_time_overlap, end_time)
self.assertTrue(range1.intersection(range_overlap).equals(expected))
