def testGetInfoLogForZeroLogSize(self):
program = ShaderProgram()
program.getInfoLogLength = lambda: 0
log = program.getInfoLog()
self.assertEquals(log, '')
def testUseRaisesOnLinkFailure(self):
program = ShaderProgram()
program.getLinkStatus = lambda: False
program.getInfoLog = lambda: 'linkerror'
try:
program.use()
self.fail('should raise')
except LinkError, e:
self.assertTrue('linkerror' in str(e))
def testGetInfoLog(self, mockGl):
expected = 'logmessage'
mockGl.glGetProgramInfoLog.side_effect = mockGetInfoLog(expected)
program = ShaderProgram()
program.getInfoLogLength = lambda: len(expected)
log = program.getInfoLog()
self.assertEquals(log, expected)
def testUseReturnsConcatenatedMessages(self):
shader1 = Mock()
shader2 = Mock()
shader1.getInfoLog = lambda: 's1'
shader2.getInfoLog = lambda: 's2'
program = ShaderProgram(shader1, shader2)
program.getInfoLog = lambda: 'p0'
program.getLinkStatus = lambda: True
message = program.use()
self.assertEquals(message, 's1\ns2\np0')
