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114 lines
4.9 KiB
Python
114 lines
4.9 KiB
Python
import unittest
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from cnc.coordinates import *
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from cnc.gcode import *
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class TestGCode(unittest.TestCase):
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def setUp(self):
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self.default = Coordinates(-7, 8, 9)
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def tearDown(self):
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pass
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def test_constructor(self):
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# GCode shouldn't be created with constructor, but since it uses
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# internally, let's check it.
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self.assertRaises(TypeError, GCode)
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gc = GCode({"X": "1", "Y": "-2", "Z":"0", "G": "1"})
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self.assertEquals(gc.coordinates(self.default, 1).x, 1.0)
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self.assertEquals(gc.coordinates(self.default, 1).y, -2.0)
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self.assertEquals(gc.coordinates(self.default, 1).z, 0.0)
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def test_parser(self):
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gc = GCode.parse_line("G1X2Y-3Z4")
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self.assertEquals(gc.command(), "G1")
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self.assertEquals(gc.coordinates(self.default, 1).x, 2.0)
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self.assertEquals(gc.coordinates(self.default, 1).y, -3.0)
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self.assertEquals(gc.coordinates(self.default, 1).z, 4.0)
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gc = GCode.parse_line("")
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self.assertIsNone(gc)
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def test_defaults(self):
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# defaults are values which should be returned if corresponding
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# value doesn't exist in gcode.
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default = Coordinates(11, -12, 14)
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gc = GCode.parse_line("G1")
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self.assertEquals(gc.coordinates(default, 1).x, 11.0)
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self.assertEquals(gc.coordinates(default, 1).y, -12.0)
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self.assertEquals(gc.coordinates(default, 1).z, 14.0)
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def test_commands(self):
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gc = GCode({"G": "1"})
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self.assertEquals(gc.command(), "G1")
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gc = GCode.parse_line("M99")
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self.assertEquals(gc.command(), "M99")
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def test_case_sensitivity(self):
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gc = GCode.parse_line("m111")
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self.assertEquals(gc.command(), "M111")
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gc = GCode.parse_line("g2X3y-4Z5")
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self.assertEquals(gc.command(), "G2")
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self.assertEquals(gc.coordinates(self.default, 1).x, 3.0)
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self.assertEquals(gc.coordinates(self.default, 1).y, -4.0)
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self.assertEquals(gc.coordinates(self.default, 1).z, 5.0)
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def test_has_coordinates(self):
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gc = GCode.parse_line("X2Y-3Z4")
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self.assertTrue(gc.has_coordinates())
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gc = GCode.parse_line("G1")
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self.assertFalse(gc.has_coordinates())
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gc = GCode.parse_line("X1")
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self.assertTrue(gc.has_coordinates())
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gc = GCode.parse_line("Y1")
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self.assertTrue(gc.has_coordinates())
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gc = GCode.parse_line("Z1")
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self.assertTrue(gc.has_coordinates())
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def test_multiply(self):
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# getting coordinates could modify value be specified multiplier.
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gc = GCode.parse_line("X2 Y-3 Z4")
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self.assertEquals(gc.coordinates(self.default, 25.4).x, 50.8)
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self.assertEquals(gc.coordinates(self.default, 2).y, -6)
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self.assertEquals(gc.coordinates(self.default, 0).y, 0)
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def test_whitespaces(self):
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gc = GCode.parse_line("X1 Y2")
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self.assertEquals(gc.coordinates(self.default, 1).x, 1.0)
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self.assertEquals(gc.coordinates(self.default, 1).y, 2.0)
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gc = GCode.parse_line("X 3 Y4")
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self.assertEquals(gc.coordinates(self.default, 1).x, 3.0)
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self.assertEquals(gc.coordinates(self.default, 1).y, 4.0)
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gc = GCode.parse_line("X 5 Y\t 6")
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self.assertEquals(gc.coordinates(self.default, 1).x, 5.0)
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self.assertEquals(gc.coordinates(self.default, 1).y, 6.0)
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gc = GCode.parse_line(" \tX\t\t \t\t7\t ")
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self.assertEquals(gc.coordinates(self.default, 1).x, 7.0)
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def test_errors(self):
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self.assertRaises(GCodeException, GCode.parse_line, "X1X1")
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self.assertRaises(GCodeException, GCode.parse_line, "X1+Y1")
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self.assertRaises(GCodeException, GCode.parse_line, "X1-Y1")
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self.assertRaises(GCodeException, GCode.parse_line, "~Y1")
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self.assertRaises(GCodeException, GCode.parse_line, "Y")
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self.assertRaises(GCodeException, GCode.parse_line, "abracadabra")
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self.assertRaises(GCodeException, GCode.parse_line, "G1M1")
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self.assertRaises(GCodeException, GCode.parse_line, "x 1 y 1 z 1 X 1")
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def test_comments(self):
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self.assertIsNone(GCode.parse_line("; some text"))
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self.assertIsNone(GCode.parse_line(" \t \t ; some text"))
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self.assertIsNone(GCode.parse_line("(another comment)"))
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gc = GCode.parse_line("X2.5 ; end of line comment")
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self.assertEquals(gc.coordinates(self.default, 1).x, 2.5)
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gc = GCode.parse_line("X2 Y(inline comment)7")
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self.assertEquals(gc.coordinates(self.default, 1).x, 2.0)
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self.assertEquals(gc.coordinates(self.default, 1).y, 7.0)
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gc = GCode.parse_line("X2 Y(inline comment)3 \t(one more comment) \tz4 ; multi comment test")
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self.assertEquals(gc.coordinates(self.default, 1).x, 2.0)
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self.assertEquals(gc.coordinates(self.default, 1).y, 3.0)
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self.assertEquals(gc.coordinates(self.default, 1).z, 4.0)
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if __name__ == '__main__':
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unittest.main() |