84559f8bd4
When units were split into larger and smaller values, the larger value is rounded and should not show trailing zeros. Trailing zeros should only be used for the smaller unit. Ref !140790
119 lines
5.4 KiB
Python
119 lines
5.4 KiB
Python
# SPDX-FileCopyrightText: 2014-2022 Blender Authors
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#
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# SPDX-License-Identifier: Apache-2.0
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# ./blender.bin --background --python tests/python/bl_pyapi_bpy_utils_units.py -- --verbose
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__all__ = (
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"main",
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)
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import unittest
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from bpy.utils import units
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class UnitsTesting(unittest.TestCase):
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# From user typing to 'internal' Blender value.
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INPUT_TESTS = (
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# system, type, ref, input, value
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# LENGTH
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('IMPERIAL', 'LENGTH', "", "1ft", 0.3048),
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('IMPERIAL', 'LENGTH', "", "(1+1)ft", 0.3048 * 2),
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('IMPERIAL', 'LENGTH', "", "1mi4\"", 1609.344 + 0.0254 * 4),
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('METRIC', 'LENGTH', "", "0.005µm", 0.000001 * 0.005),
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('METRIC', 'LENGTH', "", "1e6km", 1000.0 * 1e6),
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('IMPERIAL', 'LENGTH', "", "1ft5cm", 0.3048 + 0.01 * 5),
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('METRIC', 'LENGTH', "", "1ft5cm", 0.3048 + 0.01 * 5),
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# Using reference string to find a unit when none is given.
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('IMPERIAL', 'LENGTH', "33.3ft", "1", 0.3048),
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('METRIC', 'LENGTH', "33.3dm", "1", 0.1),
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('IMPERIAL', 'LENGTH', "33.3cm", "1", 0.3048), # ref unit is not in IMPERIAL system, default to feet...
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('IMPERIAL', 'LENGTH', "33.3ft", "1\"", 0.0254), # unused ref unit, since one is given already!
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('IMPERIAL', 'LENGTH', "", "1+1ft", 0.3048 * 2), # default unit taken from current string (feet).
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('METRIC', 'LENGTH', "", "1+1ft", 1.3048), # no metric units, we default to meters.
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('IMPERIAL', 'LENGTH', "", "3+1in+1ft", 0.3048 * 4 + 0.0254), # bigger unit becomes default one!
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('IMPERIAL', 'LENGTH', "", "(3+1)in+1ft", 0.3048 + 0.0254 * 4),
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# Support successive leading unary operators.
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('IMPERIAL', 'LENGTH', "", "-1ft", -0.3048),
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('IMPERIAL', 'LENGTH', "", "--1ft", --0.3048),
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('IMPERIAL', 'LENGTH', "", "---1ft", ---0.3048),
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('IMPERIAL', 'LENGTH', "", "- 1ft", -0.3048),
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('IMPERIAL', 'LENGTH', "", "- - 1ft", --0.3048),
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('IMPERIAL', 'LENGTH', "", "- - - 1ft", ---0.3048),
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('IMPERIAL', 'LENGTH', "", "-+1ft", -+0.3048),
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('IMPERIAL', 'LENGTH', "", "+-1ft", +-0.3048),
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('METRIC', 'LENGTH', "", "~+-32m", ~+-32),
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('METRIC', 'LENGTH', "", "-+~32m", -+~32),
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('METRIC', 'LENGTH', "", "~ + - 32m", ~+-32),
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('METRIC', 'LENGTH', "", "- + ~ 32m", -+~32),
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)
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# From 'internal' Blender value to user-friendly printing
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OUTPUT_TESTS = (
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# system, type, prec, sep, compat, value, output
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# LENGTH
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# Note: precision handling is a bit complicated when using multi-units...
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('IMPERIAL', 'LENGTH', 3, False, False, 0.3048, "1'"),
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('IMPERIAL', 'LENGTH', -3, False, False, 0.3048, "1.000'"),
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('IMPERIAL', 'LENGTH', 3, False, True, 0.3048, "1ft"),
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('IMPERIAL', 'LENGTH', -3, False, True, 0.3048, "1.000ft"),
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('IMPERIAL', 'LENGTH', -6, False, True, 0.3048, "1.000000ft"),
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('IMPERIAL', 'LENGTH', -7, False, True, 0.3048, "1.000000ft"),
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('IMPERIAL', 'LENGTH', 4, True, False, 0.3048 * 2 + 0.0254 * 5.5, "2' 5.5\""),
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('IMPERIAL', 'LENGTH', -4, True, False, 0.3048 * 2 + 0.0254 * 5.5, "2' 5.50\""),
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('IMPERIAL', 'LENGTH', 3, False, False, 1609.344 * 1e6, "1000000 mi"),
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('IMPERIAL', 'LENGTH', 6, False, False, 1609.344 * 1e6, "1000000 mi"),
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('METRIC', 'LENGTH', 3, True, False, 1000 * 2 + 0.001 * 15, "2 km 2 cm"),
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('METRIC', 'LENGTH', 3, True, False, 0.000005, "5 µm"),
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('METRIC', 'LENGTH', -3, True, False, 0.000005, "5.00 µm"),
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('METRIC', 'LENGTH', 5, True, False, 1234.56789, "1 km 234.6 m"),
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('METRIC', 'LENGTH', 6, True, False, 1234.56789, "1 km 234.57 m"),
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('METRIC', 'LENGTH', 9, False, False, 1234.56789, "1.234568 km"),
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('METRIC', 'LENGTH', 9, True, False, 1000.000123456789, "1 km 0.123 mm"),
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('METRIC', 'LENGTH', 7, True, False, 0, "0 m"),
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('METRIC', 'LENGTH', -5, True, False, 0, "0.00000 m"),
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('METRIC', 'LENGTH', -7, True, False, 0, "0.000000 m"),
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)
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def test_units_inputs(self):
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# Stolen from FBX addon!
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def similar_values(v1, v2, e):
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if v1 == v2:
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return True
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return ((abs(v1 - v2) / max(abs(v1), abs(v2))) <= e)
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for usys, utype, ref, inpt, val in self.INPUT_TESTS:
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opt_val = units.to_value(usys, utype, inpt, str_ref_unit=ref)
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# Note: almostequal is not good here, precision is fixed on decimal digits, not variable with
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# magnitude of numbers (i.e. 1609.4416 ~= 1609.4456 fails even at 5 of 'places'...).
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self.assertTrue(similar_values(opt_val, val, 1e-7),
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msg="%s, %s: \"%s\" (ref: \"%s\") => %f, expected %f"
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"" % (usys, utype, inpt, ref, opt_val, val))
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def test_units_outputs(self):
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for usys, utype, prec, sep, compat, val, output in self.OUTPUT_TESTS:
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opt_str = units.to_string(usys, utype, val, precision=prec, split_unit=sep, compatible_unit=compat)
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self.assertEqual(
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opt_str, output,
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msg=(
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"%s, %s: %f (precision: %d, separate units: %d, compat units: %d) => "
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"\"%s\", expected \"%s\""
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) % (usys, utype, val, prec, sep, compat, opt_str, output)
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)
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def main():
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import sys
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sys.argv = [__file__] + (sys.argv[sys.argv.index("--") + 1:] if "--" in sys.argv else [])
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unittest.main()
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if __name__ == '__main__':
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main()
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