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50 lines
1.9 KiB
Python
50 lines
1.9 KiB
Python
import unittest
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from parameterized import parameterized
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from powerline_shell.color_compliment import getOppositeColor
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def build_inputs():
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# Build 768 hex/rgb values to test against getOppositeColor
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input_bytes = map(hex, xrange(pow(2,8)))
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input_list = []
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for x in input_bytes:
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#Building hex range of [00-ff]:00:00
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combined1 = hex((int(x,16)<<16)| ((int(input_bytes[0],16)<<8)|int(input_bytes[0],16)))
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test_input1 = tuple((int(x,16), int(input_bytes[0],16), int(input_bytes[0],16)))
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#Building hex range of 00:[00-ff]:00
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combined2 = hex((int(input_bytes[0],16)<<16)| ((int(x,16)<<8)|int(input_bytes[0],16)))
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test_input2 = tuple((int(input_bytes[0],16), int(x,16), int(input_bytes[0],16)))
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#Building hex range of 00:00:[00-ff]
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combined3 = hex((int(input_bytes[0],16)<<16)| ((int(input_bytes[0],16)<<8)|int(x,16)))
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test_input3 = tuple((int(input_bytes[0],16), int(input_bytes[0],16), int(x,16)))
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input_list.append(tuple((combined1, test_input1)))
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input_list.append(tuple((combined2, test_input2)))
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input_list.append(tuple((combined3, test_input3)))
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return input_list
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class getOppositeColorTestCase(unittest.TestCase):
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'''
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Test only runs against 768 combinations of rgb values.
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Trying to run parameterized unittest against 16.77M rgb values
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was near impossible (need lots of memory and time). Of the 768
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values tested, the test has proven to catch 192 exceptions (and 3
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ZeroDivisionError exceptions from rgb_to_hls). This can be tested
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by commenting out the first line of getOppositeColor, which
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converts the rgb values to float.
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'''
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@parameterized.expand(build_inputs)
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def test_rgb_input_get_opposite_not_negative(self, name, test_input):
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negative = -1
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self.assertNotIn(negative, getOppositeColor(*test_input), u'{0:#08x} returns negative number in rgb tuple'.format(int(name,16)))
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