1 | """Test color converter.""" |
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2 | |||
3 | |||
4 | import sys |
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5 | |||
6 | from unittest import TestCase |
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7 | |||
8 | COLOR_CONVERTER = sys.modules["Rainmeter.color.converter"] |
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9 | |||
10 | |||
11 | class IntToHexTest(TestCase): |
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12 | """Testing int to hex conversion and its corner cases.""" |
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13 | |||
14 | def test_below_lower_boundary(self): |
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15 | """Rainmeter only supports from 0 upwards.""" |
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16 | self.assertRaises(AssertionError, COLOR_CONVERTER.int_to_hex, -1) |
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17 | |||
18 | def test_lower_boundary(self): |
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19 | """Zero is a corner case and should return 00.""" |
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20 | hex_value = COLOR_CONVERTER.int_to_hex(0) |
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21 | |||
22 | self.assertEqual(hex_value, "00") |
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23 | |||
24 | def test_default(self): |
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25 | """A random number within the boundary 0, 255 should work.""" |
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26 | hex_value = COLOR_CONVERTER.int_to_hex(128) |
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27 | |||
28 | self.assertEqual(hex_value, "80") |
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29 | |||
30 | def test_upper_boundary(self): |
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31 | """255 is a corner case and should return FF.""" |
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32 | hex_value = COLOR_CONVERTER.int_to_hex(255) |
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33 | |||
34 | self.assertEqual(hex_value, "FF") |
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35 | |||
36 | def test_over_upper_boundary(self): |
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37 | """Rainmeter only supports up to 255.""" |
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38 | self.assertRaises(AssertionError, COLOR_CONVERTER.int_to_hex, 256) |
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39 | |||
40 | def test_letter_case(self): |
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41 | """We also support lower case if it is requested.""" |
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42 | hex_value = COLOR_CONVERTER.int_to_hex(255, letter_case=COLOR_CONVERTER.LetterCase.Lower) |
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43 | |||
44 | self.assertEqual(hex_value, "ff") |
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45 | |||
46 | |||
47 | View Code Duplication | class RGBsToHexesTest(TestCase): |
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48 | """Testing RGBs to hexes conversion and its corner cases.""" |
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49 | |||
50 | def test_default_rgb_conversion(self): |
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51 | """3 valid ints should convert to 3 hexes.""" |
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52 | hexes = COLOR_CONVERTER.rgbs_to_hexes([128, 128, 128]) |
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53 | |||
54 | self.assertEqual(hexes, ["80", "80", "80"]) |
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55 | |||
56 | def test_default_rgba_conversion(self): |
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57 | """4 valid ints should convert to 4 hexes.""" |
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58 | hexes = COLOR_CONVERTER.rgbs_to_hexes([128, 128, 128, 128]) |
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59 | |||
60 | self.assertEqual(hexes, ["80", "80", "80", "80"]) |
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61 | |||
62 | def test_invalid_rgb_low_len(self): |
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63 | """RGB are at least 3 values.""" |
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64 | self.assertRaises(AssertionError, COLOR_CONVERTER.rgbs_to_hexes, [128, 128]) |
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65 | |||
66 | def test_invalid_rgb_high_len(self): |
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67 | """RGB are at most 4 values.""" |
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68 | self.assertRaises(AssertionError, COLOR_CONVERTER.rgbs_to_hexes, [128, 128, 128, 128, 128]) |
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69 | |||
70 | |||
71 | class HexesToStringTest(TestCase): |
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72 | """This test guerentees that a proper string conversion .""" |
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73 | |||
74 | def test_stringing(self): |
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75 | """Default case with one spacing.""" |
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76 | stringed = COLOR_CONVERTER.hexes_to_string(["80", "80", "80"]) |
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77 | |||
78 | self.assertEqual(stringed, "808080") |
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79 | |||
80 | def test_rgba(self): |
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81 | """RGBA case.""" |
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82 | stringed = COLOR_CONVERTER.hexes_to_string(["80", "80", "80", "80"]) |
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83 | |||
84 | self.assertEqual(stringed, "80808080") |
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85 | |||
86 | |||
87 | class HexToIntTest(TestCase): |
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88 | """Testing hex to int conversion and its corner cases.""" |
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89 | |||
90 | def test_below_lower_boundary(self): |
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91 | """Rainmeter only supports from 0 upwards.""" |
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92 | self.assertRaises(AssertionError, COLOR_CONVERTER.hex_to_int, "-1") |
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93 | |||
94 | def test_lower_boundary(self): |
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95 | """00 is a corner case and should return 0.""" |
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96 | int_value = COLOR_CONVERTER.hex_to_int("00") |
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97 | |||
98 | self.assertEqual(int_value, 0) |
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99 | |||
100 | def test_default(self): |
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101 | """A random number within the boundary 0, 255 should work.""" |
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102 | int_value = COLOR_CONVERTER.hex_to_int("80") |
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103 | |||
104 | self.assertEqual(int_value, 128) |
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105 | |||
106 | def test_upper_boundary(self): |
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107 | """FF is a corner case and should return 255.""" |
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108 | int_value = COLOR_CONVERTER.hex_to_int("FF") |
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109 | |||
110 | self.assertEqual(int_value, 255) |
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111 | |||
112 | def test_over_upper_boundary(self): |
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113 | """Rainmeter only supports up to 255.""" |
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114 | self.assertRaises(AssertionError, COLOR_CONVERTER.hex_to_int, "100") |
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115 | |||
116 | |||
117 | View Code Duplication | class HexesToRGBsTest(TestCase): |
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118 | """Testing Hexes to RGBs conversion and its corner cases.""" |
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119 | |||
120 | def test_default_hex_conversion(self): |
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121 | """.""" |
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122 | rgb = COLOR_CONVERTER.hexes_to_rgbs(["80", "80", "80"]) |
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123 | |||
124 | self.assertEqual(rgb, [128, 128, 128]) |
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125 | |||
126 | def test_default_hexa_conversion(self): |
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127 | """4 valid hexes should convert to rgba.""" |
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128 | rgba = COLOR_CONVERTER.hexes_to_rgbs(["80", "80", "80", "80"]) |
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129 | |||
130 | self.assertEqual(rgba, [128, 128, 128, 128]) |
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131 | |||
132 | def test_invalid_hex_low_len(self): |
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133 | """Require at least 3 values.""" |
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134 | self.assertRaises(AssertionError, COLOR_CONVERTER.hexes_to_rgbs, ["FF", "FF"]) |
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135 | |||
136 | def test_invalid_hex_high_len(self): |
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137 | """Require at most 4 values.""" |
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138 | self.assertRaises( |
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139 | AssertionError, |
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140 | COLOR_CONVERTER.hexes_to_rgbs, |
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141 | ["FF", "FF", "FF", "FF", "FF"] |
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142 | ) |
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143 | |||
144 | |||
145 | class RGBsToStringTest(TestCase): |
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146 | """This test guerentees that a proper string conversion .""" |
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147 | |||
148 | def test_stringing(self): |
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149 | """Default Rainmeter decimal color representation.""" |
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150 | stringed = COLOR_CONVERTER.rgbs_to_string([128, 128, 128]) |
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151 | |||
152 | self.assertEqual(stringed, "128,128,128") |
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153 | |||
154 | def test_with_spacing(self): |
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155 | """For people who like to space things.""" |
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156 | stringed = COLOR_CONVERTER.rgbs_to_string([128, 128, 128], spacing=1) |
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157 | |||
158 | self.assertEqual(stringed, "128, 128, 128") |
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159 | |||
160 | def test_with_more_spacing(self): |
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161 | """For people who like to use a lot of spacings.""" |
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162 | stringed = COLOR_CONVERTER.rgbs_to_string([128, 128, 128], spacing=5) |
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163 | |||
164 | self.assertEqual(stringed, "128, 128, 128") |
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165 | |||
166 | |||
167 | class HexAppendAlphaTest(TestCase): |
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168 | """This test handles different cases of appended alpha values.""" |
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169 | |||
170 | def test_lower_case(self): |
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171 | """Lower case hex string adds a lower-case full alpha channel.""" |
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172 | stringed = COLOR_CONVERTER.convert_hex_to_hex_with_alpha("ff8800") |
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173 | |||
174 | self.assertEqual(stringed, "ff8800ff") |
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175 | |||
176 | def test_upper_case(self): |
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177 | """Upper case hex string adds upper-case full alpha channel.""" |
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178 | stringed = COLOR_CONVERTER.convert_hex_to_hex_with_alpha("FF8800") |
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179 | |||
180 | self.assertEqual(stringed, "FF8800FF") |
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181 | |||
182 | def test_mixed_case(self): |
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183 | """If case is not clear add upper-case full alpha channel.""" |
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184 | stringed = COLOR_CONVERTER.convert_hex_to_hex_with_alpha("Ff8800") |
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185 | |||
186 | self.assertEqual(stringed, "Ff8800FF") |
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187 | |||
188 | def test_already_alpha(self): |
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189 | """Only add alpha channel if have only RGB.""" |
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190 | stringed = COLOR_CONVERTER.convert_hex_to_hex_with_alpha("FF8800FF") |
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191 | |||
192 | self.assertEqual(stringed, "FF8800FF") |
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193 | |||
194 | |||
195 | class HexToRGBAStringTest(TestCase): |
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196 | """Test behaviour of hex string to rgba string converter.""" |
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197 | |||
198 | def test_without_alpha(self): |
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199 | """ |
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200 | We always get a RGBA String, but it depends if previously it had an alpha channel or not. |
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201 | |||
202 | In case it had no alpha channel then we ignore the alpha channel |
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203 | unless we have a value which differs from FF or 255. |
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204 | The color picker will default to FF if a non alpha channel color is inputted. |
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205 | """ |
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206 | stringed = COLOR_CONVERTER.convert_hex_str_to_rgba_str("FFFFFFFF", False) |
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207 | |||
208 | self.assertEqual(stringed, "255,255,255") |
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209 | |||
210 | def test_with_alpha(self): |
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211 | """ |
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212 | If there was already an alpha channel there we have to respect that. |
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213 | |||
214 | That way even FF is written back. |
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215 | """ |
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216 | stringed = COLOR_CONVERTER.convert_hex_str_to_rgba_str("FFFFFFFF", True) |
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217 | |||
218 | self.assertEqual(stringed, "255,255,255,255") |
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219 | |||
220 | def test_without_alpha_but_non_max(self): |
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221 | """ |
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222 | If we had no alpha channel but we get a value back which is different from FF. |
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223 | |||
224 | In that case we have to translate that information too |
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225 | and force add the alpha channel to the content. |
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226 | """ |
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227 | stringed = COLOR_CONVERTER.convert_hex_str_to_rgba_str("FFFFFF01", False) |
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228 | |||
229 | self.assertEqual(stringed, "255,255,255,1") |
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230 |