def test_merge_at_beginning_too_much_overlap():
""" trying to merge so much duplicate data we give up and return just the cached data """
mts = MTS(MockRedis())
mts.key_basis = lambda: 'some-key-goes-here'
new_mts = MTS(MockRedis())
mts.result = {'values': copy.deepcopy(INITIAL_MTS_DATA)}
new_mts.result = {'values': copy.deepcopy(INITIAL_MTS_DATA)}
mts.merge_at_beginning(new_mts)
assert mts.result['values'] == INITIAL_MTS_DATA
def test_merge_at_beginning_no_overlap():
""" common case, no overlap """
mts = MTS(MockRedis())
mts.key_basis = lambda: 'some-key-goes-here'
new_mts = MTS(MockRedis())
mts.result = {'values': copy.deepcopy(INITIAL_MTS_DATA)}
new_mts.result = {'values': [[788, 9]]}
mts.merge_at_beginning(new_mts)
assert mts.result['values'] == [[788, 9]] + INITIAL_MTS_DATA
def test_merge_at_beginning_replaces_when_existing_data_is_short():
""" if we can't iterate over the cached data, and it's out of order, we replace it. """
mts = MTS(MockRedis())
mts.key_basis = lambda: 'some-key-goes-here'
new_mts = MTS(MockRedis())
new_mts.result = {'values': copy.deepcopy(INITIAL_MTS_DATA)}
mts.result = {'values': [[795, 1000], [797, 1100]]}
mts.merge_at_beginning(new_mts)
assert mts.result['values'] == INITIAL_MTS_DATA
def test_merge_at_beginning_too_much_overlap():
""" trying to merge so much duplicate data we give up and return just the cached data """
mts = MTS(MockRedis())
mts.key_basis = lambda: 'some-key-goes-here'
new_mts = MTS(MockRedis())
mts.result = {'values': copy.deepcopy(INITIAL_MTS_DATA)}
new_mts.result = {'values': copy.deepcopy(INITIAL_MTS_DATA)}
mts.merge_at_beginning(new_mts)
assert mts.result['values'] == INITIAL_MTS_DATA
def test_merge_at_beginning_replaces_when_existing_data_is_short():
""" if we can't iterate over the cached data, and it's out of order, we replace it. """
mts = MTS(MockRedis())
mts.key_basis = lambda: 'some-key-goes-here'
new_mts = MTS(MockRedis())
new_mts.result = {'values': copy.deepcopy(INITIAL_MTS_DATA)}
mts.result = {'values': [[795, 1000], [797, 1100]]}
mts.merge_at_beginning(new_mts)
assert mts.result['values'] == INITIAL_MTS_DATA
def test_merge_at_beginning_two_overlap():
""" single overlapping point - make sure the new_mts version is favored """
mts = MTS(MockRedis())
mts.key_basis = lambda: 'some-key-goes-here'
new_mts = MTS(MockRedis())
mts.result = {'values': copy.deepcopy(INITIAL_MTS_DATA)}
new_mts.result = {'values': [[788, 9], [789, 9001], [790, 10001]]}
mts.merge_at_beginning(new_mts)
assert mts.result['values'] == [[788, 9], [789, 9001], [790, 10001]] + INITIAL_MTS_DATA[2:]
def test_merge_at_beginning_no_overlap():
""" common case, no overlap """
mts = MTS(MockRedis())
mts.key_basis = lambda: 'some-key-goes-here'
new_mts = MTS(MockRedis())
mts.result = {'values': copy.deepcopy(INITIAL_MTS_DATA)}
new_mts.result = {'values': [[788, 9]]}
mts.merge_at_beginning(new_mts)
assert mts.result['values'] == [[788, 9]] + INITIAL_MTS_DATA
def test_merge_at_beginning_two_overlap():
""" single overlapping point - make sure the new_mts version is favored """
mts = MTS(MockRedis())
mts.key_basis = lambda: 'some-key-goes-here'
new_mts = MTS(MockRedis())
mts.result = {'values': copy.deepcopy(INITIAL_MTS_DATA)}
new_mts.result = {'values': [[788, 9], [789, 9001], [790, 10001]]}
mts.merge_at_beginning(new_mts)
assert mts.result['values'] == [[788, 9], [789, 9001], [790, 10001]
] + INITIAL_MTS_DATA[2:]
