def _side_effect(self, *args):
"""
Check args of gwyfile_object_graphmodel_get func
and write self.curves_array in 'curves' field
"""
# first arg is GwyDatafield returned by get_gwyitem_object
self.assertEqual(args[0], self.gwygraphmodel)
# second arg is GwyfileError**
assert ffi.typeof(args[1]) == ffi.typeof(ffi.new("GwyfileError**"))
# last arg in Null
self.assertEqual(args[-1], ffi.NULL)
# combine fields names and fields pointers in one dictionary
arg_keys = [ffi.string(key).decode('utf-8') for key in args[2:-1:2]]
arg_pointers = [pointer for pointer in args[3:-1:2]]
arg_dict = dict(zip(arg_keys, arg_pointers))
arg_dict['curves'][0] = self.curves_array
# C func returns true if the graphmodel object loock acceptable
truep = ffi.new("bool*", True)
return truep[0]
def _test_pos_args_side_effect(self, *args):
# first arg is GwyfileSelectionPoint object
self.assertEqual(args[0], self.gwysel)
# second arg is GwyfileError**
self.assertEqual(ffi.typeof(args[1]),
ffi.typeof(ffi.new("GwyfileError**")))
# last arg in Null
self.assertEqual(args[-1], ffi.NULL)
# Function should return True if object looks acceptable
truep = ffi.new("bool*", True)
return truep[0]
def _positional_args_side_effect(self, *args):
"""
Check positional args in gwyfile_object_graphcurvemodel_get call
"""
# first arg is GwyGraphCurveModel
self.assertEqual(args[0], self.gwycurve)
# second arg is GwyfileError**
assert ffi.typeof(args[1]) == ffi.typeof(ffi.new("GwyfileError**"))
# last arg in Null
self.assertEqual(args[-1], ffi.NULL)
# C func returns true if the graphcurvemodel object loock acceptable
truep = ffi.new("bool*", True)
return truep[0]
def _side_effect(self, *args):
# first arg is GwyDatafield object from Libgwyfile
self.assertEqual(args[0], self.cgwydf)
# second arg is GwyfileError**
assert ffi.typeof(args[1]) == ffi.typeof(self.errorp)
# last arg in NULL
self.assertEqual(args[-1], ffi.NULL)
# create dict from names and types of pointers in args
arg_keys = [ffi.string(key).decode('utf-8') for key in args[2:-1:2]]
arg_pointers = [pointer for pointer in args[3:-1:2]]
arg_dict = dict(zip(arg_keys, arg_pointers))
datap = arg_dict['data']
datap[0] = ffi.cast("double*", self.data.ctypes.data)
return self.truep[0]
def _side_effect_check_args(self, *args):
"""
Check args passing to gwyfile_object_datafield_get C function
"""
# first arg is GwyDatafield object from Libgwyfile
self.assertEqual(args[0], self.cgwydf)
# second arg is GwyfileError**
assert ffi.typeof(args[1]) == ffi.typeof(self.errorp)
# last arg in NULL
self.assertEqual(args[-1], ffi.NULL)
# create dict from names and types of pointers in args
arg_keys = [ffi.string(key).decode('utf-8') for key in args[2:-1:2]]
arg_pointer_types = [ffi.typeof(pointer) for pointer in args[3:-1:2]]
arg_dict = dict(zip(arg_keys, arg_pointer_types))
self.assertDictEqual(arg_dict, self.metadata_dict)
return self.truep[0]
def setUp(self):
self.cgwydf = Mock()
self.mock_gwydf = Mock(spec=GwyDataField)
self.mock_gwydf._get_meta = GwyDataField._get_meta
patcher_lib = patch('pygwyfile.gwydatafield.lib', autospec=True)
self.addCleanup(patcher_lib.stop)
self.mock_lib = patcher_lib.start()
self.falsep = ffi.new("bool*", False)
self.truep = ffi.new("bool*", True)
self.errorp = ffi.new("GwyfileError**")
self.error_msg = "Test error message"
self.metadata_dict = {
'xres': ffi.typeof(ffi.new("int32_t*")),
'yres': ffi.typeof(ffi.new("int32_t*")),
'xreal': ffi.typeof(ffi.new("double*")),
'yreal': ffi.typeof(ffi.new("double*")),
'xoff': ffi.typeof(ffi.new("double*")),
'yoff': ffi.typeof(ffi.new("double*")),
'si_unit_xy': ffi.typeof(ffi.new("char**")),
'si_unit_z': ffi.typeof(ffi.new("char**"))
}