# Project:  MapServer
# Purpose:  xUnit style Python mapscript tests of colorObj
# Author:   Sean Gillies, sgillies@frii.com
#
# ===========================================================================
# Copyright (c) 2004, Sean Gillies
#
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# Software is furnished to do so, subject to the following conditions:
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import unittest

import mapscript


class ColorObjTestCase(unittest.TestCase):
    def testColorObjConstructorNoArgs(self):
        """a color can be initialized with no arguments"""
        c = mapscript.colorObj()
        assert (c.red, c.green, c.blue, c.alpha) == (0, 0, 0, 255)

    def testColorObjConstructorArgs(self):
        """a color can be initialized with arguments"""
        c = mapscript.colorObj(1, 2, 3, 4)
        assert (c.red, c.green, c.blue, c.alpha) == (1, 2, 3, 4)

    def testColorObjToHex(self):
        """a color can be outputted as hex"""
        c = mapscript.colorObj(255, 255, 255)
        assert c.toHex() == "#ffffff"

    def testColorObjToHexBadly(self):
        """raise an error in the case of an undefined color"""
        c = mapscript.colorObj(-1, -1, -1)
        self.assertRaises(mapscript.MapServerError, c.toHex)

    def testColorObjSetRGB(self):
        """a color can be set using setRGB method"""
        c = mapscript.colorObj()
        c.setRGB(255, 255, 255, 100)
        assert (c.red, c.green, c.blue, c.alpha) == (255, 255, 255, 100)

    def testColorObjSetHexLower(self):
        """a color can be set using lower case hex"""
        c = mapscript.colorObj()
        c.setHex("#ffffff64")
        assert (c.red, c.green, c.blue, c.alpha) == (255, 255, 255, 100)

    def testColorObjSetHexUpper(self):
        """a color can be set using upper case hex"""
        c = mapscript.colorObj()
        c.setHex("#FFFFFF")
        assert (c.red, c.green, c.blue) == (255, 255, 255)

    def testColorObjSetHexBadly(self):
        """invalid hex color string raises proper error"""
        c = mapscript.colorObj()
        self.assertRaises(mapscript.MapServerError, c.setHex, "#fffffg")


if __name__ == "__main__":
    unittest.main()
