Class TestXArrayTransforms

hvplot/tests/testtransforms.py:55–71

class TestXArrayTransforms(ComparisonTestCase):
    def setUp(self):
        try:
            import xarray as xr  # noqa
        except ImportError:
            raise SkipTest('xarray not available')
        import hvplot.xarray  # noqa

    def test_xarray_transform(self):
        import xarray as xr

        data = np.arange(0, 60).reshape(6, 10)
        x = np.arange(10)
        y = np.arange(6)
        da = xr.DataArray(data, coords={'y': y, 'x': x}, dims=('y', 'x'), name='value')
        img = da.hvplot.image(transforms=dict(value=hv.dim('value') * 10))
        self.assertEqual(img.data.value.data, da.data * 10)