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test_genpy_generate_struct.py
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test_genpy_generate_struct.py
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def test_reduce_pattern():
from genpy.generate_struct import reduce_pattern
tests = [
('', ''),
('hhhh', '4h'),
('hhhhi', '4hi'),
('hhhhiiiibbb', '4h4i3b'),
('1h2h3h', '1h2h3h'),
('hIi', 'hIi'),
('66h', '66h'),
('%ss', '%ss'), #don't reduce strings with format chars in them
('<I', '<I'),
('<11s', '<11s'),
]
for input, result in tests:
assert result == reduce_pattern(input)
def test_pack():
from genpy.generate_struct import pack
assert "buff.write(_struct_3lL3bB.pack(foo, bar))" == pack('lllLbbbB', 'foo, bar')
def test_pack2():
from genpy.generate_struct import pack2
assert 'buff.write(struct.pack(patt_name, foo, bar))' == pack2('patt_name', 'foo, bar')
def test_unpack():
from genpy.generate_struct import unpack
assert "var_x = _struct_I3if2I.unpack(bname)" == unpack('var_x', 'IiiifII', 'bname')
def test_unpack2():
from genpy.generate_struct import unpack2
assert 'x = struct.unpack(patt, b)' == unpack2('x', 'patt', 'b')
def test_compute_struct_pattern():
from genpy.generate_struct import compute_struct_pattern
assert None == compute_struct_pattern(None)
assert None == compute_struct_pattern([])
# string should immediately bork any simple types
assert None == compute_struct_pattern(['string'])
assert None == compute_struct_pattern(['uint32', 'string'])
assert None == compute_struct_pattern(['string', 'int32'])
# array types should not compute
assert None == compute_struct_pattern(['uint32[]'])
assert None == compute_struct_pattern(['uint32[1]'])
assert "B" == compute_struct_pattern(['uint8'])
assert "BB" == compute_struct_pattern(['uint8', 'uint8'])
assert "B" == compute_struct_pattern(['char'])
assert "BB" == compute_struct_pattern(['char', 'char'])
assert "b" == compute_struct_pattern(['byte'])
assert "bb" == compute_struct_pattern(['byte', 'byte'])
assert "b" == compute_struct_pattern(['int8'])
assert "bb" == compute_struct_pattern(['int8', 'int8'])
assert "H" == compute_struct_pattern(['uint16'])
assert "HH" == compute_struct_pattern(['uint16', 'uint16'])
assert "h" == compute_struct_pattern(['int16'])
assert "hh" == compute_struct_pattern(['int16', 'int16'])
assert "I" == compute_struct_pattern(['uint32'])
assert "II" == compute_struct_pattern(['uint32', 'uint32'])
assert "i" == compute_struct_pattern(['int32'])
assert "ii" == compute_struct_pattern(['int32', 'int32'])
assert "Q" == compute_struct_pattern(['uint64'])
assert "QQ" == compute_struct_pattern(['uint64', 'uint64'])
assert "q" == compute_struct_pattern(['int64'])
assert "qq" == compute_struct_pattern(['int64', 'int64'])
assert "f" == compute_struct_pattern(['float32'])
assert "ff" == compute_struct_pattern(['float32', 'float32'])
assert "d" == compute_struct_pattern(['float64'])
assert "dd" == compute_struct_pattern(['float64', 'float64'])
assert "bBhHiIqQfd" == compute_struct_pattern(['int8', 'uint8', 'int16', 'uint16', 'int32', 'uint32', 'int64', 'uint64', 'float32', 'float64'])