def test_update_one_column_1_record(self):
pr = PageRange(5)
update = [0, None, None, None, None]
pr.add_record(0, [20, 21, 22, 23, 24])
pr.update_record(0, 0, update)
update = [0, 21, 22, 23, 24]
data = pr.get_record(0, [1, 1, 1, 1, 1])
self.assertTrue(data == update)
def test_update_twice_1_record_2(self):
pr = PageRange(5)
update = [0, 1, 2, 3, 4]
pr.add_record(0, [20, 21, 22, 23, 24])
pr.update_record(0, 0, update)
self.assertTrue(pr.num_tail_records == 1)
update = [500, None, 700, None, 900]
pr.update_record(0, 1, update)
data = pr.get_record(0, [1, 1, 1, 1, 1])
self.assertTrue(pr.num_base_records == 1)
self.assertTrue(pr.num_tail_records == 2)
self.assertTrue(data == [500, 1, 700, 3, 900])
def test_update_once_8192_records(self):
pr = PageRange(5)
columns = []
for i in range(8192):
columns.append([20 + i, 21 + i, 22 + i, 23 + i, 24 + i])
pr.add_record(i, columns[i])
updated_columns = []
for i in range(8192):
updated_columns.append([i, i * 2, i * 3, i * 4, i * 5])
pr.update_record(i, i, updated_columns[i])
data = []
for i in range(8192):
data.append(pr.get_record(i, [1, 1, 1, 1, 1]))
self.assertTrue(data == updated_columns)
def test_update_different_columns_1_record(self):
pr = PageRange(5)
update = [0, None, None, None, None]
pr.add_record(0, [20, 21, 22, 23, 24])
pr.update_record(0, 0, update)
data = pr.get_record(0, [1, 1, 1, 1, 1])
self.assertTrue(pr.num_base_records == 1)
self.assertTrue(pr.num_tail_records == 1)
self.assertTrue(data == [0, 21, 22, 23, 24])
update = [0, 1, 2, 3, None]
pr.update_record(0, 1, update)
data = pr.get_record(0, [1, 1, 1, 1, 1])
self.assertTrue(pr.num_base_records == 1)
self.assertTrue(pr.num_tail_records == 2)
self.assertTrue(data == [0, 1, 2, 3, 24])
update = [None, None, None, None, 100]
pr.update_record(0, 2, update)
data = pr.get_record(0, [1, 1, 1, 1, 1])
self.assertTrue(pr.num_base_records == 1)
self.assertTrue(pr.num_tail_records == 3)
self.assertTrue(data == [0, 1, 2, 3, 100])
def test_update_once_1_record(self):
pr = PageRange(5)
pr.add_record(0, [20, 21, 22, 23, 24])
pr.update_record(0, 0, [0, 1, 2, 3, 4])
data = pr.get_record(0, [1, 1, 1, 1, 1])
self.assertTrue(data == [0, 1, 2, 3, 4])