def testGetInfoLogForZeroLogSize(self):
shader = VertexShader(['src'])
shader.getInfoLogLength = lambda: 0
log = shader.getInfoLog()
self.assertEquals(log, '')
def testCompileCompilesShader(self, mockGl):
shader = VertexShader(['src'])
shader.getCompileStatus = lambda: True
shader.getInfoLog = lambda: 'compilemessage'
shader.compile()
self.assertEquals(mockGl.glCompileShader.call_args[0], (shader.id,))
def testCompileRaisesOnFail(self):
shader = VertexShader(['badsrc'])
shader.getCompileStatus = lambda: False
shader.getInfoLog = lambda: 'errormessage'
try:
shader.compile()
self.fail('should raise')
except CompileError, e:
self.assertTrue('errormessage' in str(e))
def testGetInfoLog(self, mockGl):
expected = 'logmessage'
mockGl.glGetShaderInfoLog.side_effect = mockGetInfoLog(expected)
shader = VertexShader(['src'])
shader.getInfoLogLength = lambda: len(expected)
log = shader.getInfoLog()
self.assertEquals(log, expected)
def testCompileCreatesShaders(self, mockGl):
mockGl.glCreateShader.return_value = 123
shader = VertexShader(['src'])
shader.getCompileStatus = lambda: True
shader.getInfoLog = DoNothing
shader.compile()
self.assertTrue(mockGl.glCreateShader.called)
self.assertEquals(mockGl.glCreateShader.call_args[0], (shader.type,))
self.assertEquals(shader.id, 123)
