def METHOD_NAME(self):
    datalinks = DatalinkResults.from_result_url('http://example.com/proc')
    res = [r["access_url"]
           for r in datalinks.bysemantics(["#this", "#preview-image"])]
    assert len(res) == 2
    assert res[0].endswith("eq010000ms/20100927.comb_avg.0001.fits.fz")
    assert res[1].endswith("20100927.comb_avg.0001.fits.fz?preview=True")