def test_parameterItems_empty_string(self):
"""Test parameterItems when provided an empty string."""
unit = GcodeParser()
self.assertIsNone(unit.parameters, "The parameters should be None.")
result = [item for item in unit.parameterItems("")]
self.assertEqual(result, [], "An empty list should be generated.")
def test_parameterItems_none(self):
"""Test parameterItems when the parameters attribute is None."""
unit = GcodeParser()
self.assertIsNone(unit.parameters, "The parameters should be None.")
result = [item for item in unit.parameterItems()]
self.assertEqual(result, [], "An empty list should be generated.")
def test_parameterItems_whitespace_labels_and_values(self):
"""Test that parameterItems permits whitespace between labels and values."""
unit = GcodeParser()
self.assertIsNone(unit.parameters, "The parameters should be None.")
result = [item for item in unit.parameterItems("A 1 B C 2")]
self.assertEqual(
result, [("A", 1), ("B", None), ("C", 2), ("", "B C 2")],
"The expected result should be generated."
)
def test_parameterItems_nonAlphaFirstChar(self):
"""Test parameterItems when the first character is non-alphabetic."""
unit = GcodeParser()
self.assertIsNone(unit.parameters, "The parameters should be None.")
result = [item for item in unit.parameterItems("12 A2")]
self.assertEqual(
result, [("A", 2), ("", "12 A2")],
"The expected result should be generated."
)
def test_parameterItems_custom_string(self):
"""Test that parameterItems parses the given string when one is given."""
unit = GcodeParser()
self.assertIsNone(unit.parameters, "The parameters should be None.")
result = [item for item in unit.parameterItems("A1BC2")]
self.assertEqual(
result, [("A", 1), ("B", None), ("C", 2), ("", "BC2")],
"The expected result should be generated."
)
def test_parameterItems_no_string_given(self):
"""Test that parameterItems uses the parameters property when no string is given."""
unit = GcodeParser()
unit.parse("G1 A1BC2")
self.assertEqual(unit.parameters, "A1BC2", "The parameters should be 'A1BC2'.")
result = [item for item in unit.parameterItems()]
self.assertEqual(
result, [("A", 1), ("B", None), ("C", 2), ("", "BC2")],
"The expected result should be generated."
)