def test_when_scale_provided_gcode_command_called_with_scale(
self, mock_GCodeCommandReader):
mock_gcode_command_reader = mock_GCodeCommandReader.return_value
mock_gcode_command_reader.to_command.return_value = [
LateralDraw([0.0, 0.0], [0.0, 0.0], 100.0)
]
gcode_line = "G01 X0.00 Y0.00 E1 F100.0\n"
test_gcode = StringIO.StringIO(gcode_line)
command_generator = GCodeToLayerGenerator(test_gcode, scale=0.1)
mock_GCodeCommandReader.assert_called_with(scale=0.1)
def test_get_layers_returns_a_single_layer(self, mock_GCodeCommandReader):
mock_gcode_command_reader = mock_GCodeCommandReader.return_value
mock_gcode_command_reader.to_command.return_value = [ LateralDraw([0.0,0.0],[0.0,0.0],100.0) ]
gcode_line = "G01 X0.00 Y0.00 E1 F100.0\n"
test_gcode = StringIO.StringIO(gcode_line)
command_generator = GCodeToLayerGenerator(test_gcode)
expected = [ Layer(0.0, [ LateralDraw([0.0,0.0],[0.0,0.0],100.0) ]) ]
actual = list(command_generator)
self.assertLayersEquals(expected, actual)
def test_get_layers_returns_a_single_layer_with_multipule_commands(self,mock_GCodeCommandReader):
command1 = LateralDraw([0.0,0.0],[0.0,0.0],100.0)
command2 = LateralDraw([0.0,0.0],[1.0,1.0],100.0)
list_of_return_values= [ [command2], [command1] ]
def side_effect(self):
return list_of_return_values.pop()
mock_gcode_command_reader = mock_GCodeCommandReader.return_value
mock_gcode_command_reader.to_command.side_effect = side_effect
gcode_line = "G01 X0.00 Y0.00 E1 F100.0\nG01 X0.00 Y0.00 E1 F100.0\n"
test_gcode = StringIO.StringIO(gcode_line)
layer_generator = GCodeToLayerGenerator(test_gcode)
expected = [ Layer(0.0, [ command1, command2 ]) ]
actual = list(layer_generator)
self.assertLayersEquals(expected, actual)
def test_returns_multiple_layers_when_single_command_yields_multipule_lines(self,mock_GCodeCommandReader):
command1 = LateralDraw([0.0,0.0],[0.0,0.0],100.0)
command2 = VerticalMove(0.0,0.1,100.0)
command3 = LateralDraw([0.0,0.0],[1.0,1.0],100.0)
list_of_return_values = [ [command3], [command2], [command1] ]
def side_effect(self):
return list_of_return_values.pop()
mock_gcode_command_reader = mock_GCodeCommandReader.return_value
mock_gcode_command_reader.to_command.side_effect = side_effect
gcode_line = "G01 X0.00 Y0.00 E1 F100.0\nG01 Z0.1 F100.0\nG01 X1.00 Y1.00 E1 F100.0"
test_gcode = StringIO.StringIO(gcode_line)
layer_generator = GCodeToLayerGenerator(test_gcode)
expected = [ Layer(0.0, [ command1 ]), Layer(0.1, [ command3 ]) ]
actual = list(layer_generator)
self.assertLayersEquals(expected, actual)
def test_if_last_command_is_move_omited(self, mock_GCodeCommandReader):
command1 = VerticalMove(0.0, 0.1, 100.0)
command2 = LateralDraw([0.0, 0.0], [1.0, 1.0], 100.0)
command3 = LateralDraw([1.0, 1.0], [0.5, 0.5], 100.0)
command4 = LateralMove([0.5, 0.5], [1.0, 1.0], 100.0)
list_of_return_values = [[command1, command2, command3, command4]]
def side_effect(self):
return list_of_return_values.pop()
mock_gcode_command_reader = mock_GCodeCommandReader.return_value
mock_gcode_command_reader.to_command.side_effect = side_effect
gcode_line = "G01 Z0.1 F100.0\nG01 X1.00 Y1.00 E1 F100.0\nG01 X0.50 Y0.50 E1 F100.0\nG00 X1.00 Y1.00 E1 F100.0"
test_gcode = StringIO.StringIO(gcode_line)
layer_generator = GCodeToLayerGenerator(test_gcode)
expected = [Layer(0.1, [command2, command3])]
actual = list(layer_generator)
self.assertLayersEquals(expected, actual)