def test_reshuff():
src_mapping = TableMapping(ObjectFields)
src_mapping.load_from_equal_list(MAPP_SRC)
dst_mapping = TableMapping(ObjectFields)
dst_mapping.load_from_equal_list(MAPP_DST)
remap = src_mapping.transforms_from(dst_mapping)
assert remap == [('n01', 'n05'), ('n02', 'n01'), ('n03', 'n04'),
('n04', 'n03'), ('n05', 'n02')]
def test_mapping1():
a_mapping = TableMapping(ObjectFields)
a_mapping.load_from_equal_list(MAPP)
assert len(a_mapping) == 70
assert a_mapping.max_by_type['n'] == 69
assert a_mapping.max_by_type['t'] == 1
a_mapping.add_column_for_table('lol', 't')
assert a_mapping.max_by_type['t'] == 2
enc: str = a_mapping.as_equal_list()
assert enc.split("=") == (MAPP + "\nt02=lol").split("=")
assert a_mapping.find_tsv_cols(["cdexc", "no", "toto"]) == ["n69", "t01"]
def test_overflow():
"""
Check that if there are too many fields, it fails.
"""
a_mapping = TableMapping(ObjectFields)
a_mapping.load_from_equal_list(MAPP2)
# OK we have 5 'n' fields, let's add 495 more
for n in range(495):
ok_added = a_mapping.add_column_for_table("fl%dd" % n, "n")
assert ok_added
ok_added = a_mapping.add_column_for_table("fl508d", "n")
assert not ok_added
def test_mapping2():
a_mapping = TableMapping(ObjectFields)
a_mapping.load_from_equal_list(MAPP2)
assert len(a_mapping) == 5
assert not a_mapping.is_empty()