def test_march30_minus_1(self):
# 1 month before March 30 is February 28
self.assertEqual(Member.add_n_months(date(2015, 3, 30), -1),
date(2015, 2, 28))
# or February 29
self.assertEqual(Member.add_n_months(date(2016, 3, 30), -1),
date(2016, 2, 29))
def test_march30_minus_1(self):
# 1 month before March 30 is February 28
self.assertEqual(Member.add_n_months(date(2015, 3, 30), -1),
date(2015, 2, 28))
# or February 29
self.assertEqual(Member.add_n_months(date(2016, 3, 30), -1),
date(2016, 2, 29))
def test_dec30_plus_2(self):
# 2 months after December 30 is February 28
self.assertEqual(Member.add_n_months(date(2014, 12, 30), 2),
date(2015, 2, 28))
# or February 29
self.assertEqual(Member.add_n_months(date(2015, 12, 30), 2),
date(2016, 2, 29))
def test_dec30_plus_2(self):
# 2 months after December 30 is February 28
self.assertEqual(Member.add_n_months(date(2014, 12, 30), 2),
date(2015, 2, 28))
# or February 29
self.assertEqual(Member.add_n_months(date(2015, 12, 30), 2),
date(2016, 2, 29))
def test_dec31_minus_1(self):
# 1 month before December 31 is November 30
self.assertEqual(Member.add_n_months(date(2015, 12, 31), -1),
date(2015, 11, 30))
def test_jan1_minus_1(self):
# 1 month before January 1 is December 1
self.assertEqual(Member.add_n_months(date(2015, 1, 1), -1),
date(2014, 12, 1))
def test_jan1_plus_12(self):
# 12 months after January 1 is January 1 next year
self.assertEqual(Member.add_n_months(date(2015, 1, 1), 12),
date(2016, 1, 1))
def test_dec1_plus_2(self):
# 2 months after December 1 is February 1
self.assertEqual(Member.add_n_months(date(2014, 12, 1), 2),
date(2015, 2, 1))
def test_jan1_plus_2(self):
# 2 months after January 1 is March 1
self.assertEqual(Member.add_n_months(date(2015, 1, 1), 2),
date(2015, 3, 1))
def test_jan30_plus_1(self):
# 1 month after January 30 is February 28
self.assertEqual(Member.add_n_months(date(2015, 1, 30), 1),
date(2015, 2, 28))
def test_jan30_plus_1(self):
# 1 month after January 30 is February 28
self.assertEqual(Member.add_n_months(date(2015, 1, 30), 1),
date(2015, 2, 28))
def test_march1_minus_1(self):
# 1 month before March 1 is February 1
self.assertEqual(Member.add_n_months(date(2015, 3, 1), -1),
date(2015, 2, 1))
def test_march1_minus_1(self):
# 1 month before March 1 is February 1
self.assertEqual(Member.add_n_months(date(2015, 3, 1), -1),
date(2015, 2, 1))
def test_dec31_minus_1(self):
# 1 month before December 31 is November 30
self.assertEqual(Member.add_n_months(date(2015, 12, 31), -1),
date(2015, 11, 30))
def test_jan1_minus_1(self):
# 1 month before January 1 is December 1
self.assertEqual(Member.add_n_months(date(2015, 1, 1), -1),
date(2014, 12, 1))
def test_jan1_plus_12(self):
# 12 months after January 1 is January 1 next year
self.assertEqual(Member.add_n_months(date(2015, 1, 1), 12),
date(2016, 1, 1))
def test_dec1_plus_2(self):
# 2 months after December 1 is February 1
self.assertEqual(Member.add_n_months(date(2014, 12, 1), 2),
date(2015, 2, 1))
def test_jan1_plus_2(self):
# 2 months after January 1 is March 1
self.assertEqual(Member.add_n_months(date(2015, 1, 1), 2),
date(2015, 3, 1))
def test_jan1_plus_1(self):
# 1 month after January 1 is February 1
self.assertEqual(Member.add_n_months(date(2015, 1, 1), 1),
date(2015, 2, 1))
def test_jan1_plus_1(self):
# 1 month after January 1 is February 1
self.assertEqual(Member.add_n_months(date(2015, 1, 1), 1),
date(2015, 2, 1))
