def test_cutout_unauthorised(patch_get):
prefix = 'https://somewhere/casda/datalink/links?'
access_urls = [prefix + 'cube-244']
table = Table([Column(data=access_urls, name='access_url')])
ra = 333.9092 * u.deg
dec = -45.8418 * u.deg
radius = 30 * u.arcmin
centre = SkyCoord(ra, dec)
with pytest.raises(
ValueError,
match=r"Credentials must be supplied to download CASDA image data"
) as excinfo:
Casda.cutout(table, coordinates=centre, radius=radius, verbose=True)
def test_cutout_no_table(patch_get):
casda = Casda()
fake_login(casda, USERNAME, PASSWORD)
casda.POLL_INTERVAL = 1
result = casda.cutout(None)
assert result == []
def test_cutout_no_args(patch_get):
prefix = 'https://somewhere/casda/datalink/links?'
access_urls = [prefix + 'cube-244']
table = Table([Column(data=access_urls, name='access_url')])
ra = 333.9092 * u.deg
dec = -45.8418 * u.deg
radius = 30 * u.arcmin
centre = SkyCoord(ra, dec)
casda = Casda()
fake_login(casda, USERNAME, PASSWORD)
casda.POLL_INTERVAL = 1
with pytest.raises(
ValueError,
match=
r"Please provide cutout parameters such as coordinates, band or channel\."
) as excinfo:
casda.cutout(table)
def test_cutout(patch_get):
prefix = 'https://somewhere/casda/datalink/links?'
access_urls = [prefix + 'cube-244']
table = Table([Column(data=access_urls, name='access_url')])
ra = 333.9092 * u.deg
dec = -45.8418 * u.deg
radius = 30 * u.arcmin
centre = SkyCoord(ra, dec)
casda = Casda()
fake_login(casda, USERNAME, PASSWORD)
casda.POLL_INTERVAL = 1
urls = casda.cutout(table, coordinates=centre, radius=radius, verbose=True)
assert urls == [
'http://casda.csiro.au/download/web/111-000-111-000/cutout.fits.checksum',
'http://casda.csiro.au/download/web/111-000-111-000/cutout.fits'
]
def test_cutout(self, cached_credentials):
prefix = 'https://data.csiro.au/casda_vo_proxy/vo/datalink/links?ID='
access_urls = [prefix + 'cube-44705']
table = Table([Column(data=access_urls, name='access_url')])
casda = Casda()
casda.login(username=os.environ['CASDA_USER'])
casda.POLL_INTERVAL = 3
pos = SkyCoord(196.49583333 * u.deg, -62.7 * u.deg)
urls = casda.cutout(table, coordinates=pos, radius=15 * u.arcmin)
# URLs may come back in any order
for url in urls:
if url.endswith('.checksum'):
checksum_url = str(url)
else:
cutout_url = str(url)
assert cutout_url.endswith('-imagecube-44705.fits')
assert 'cutout-' in cutout_url
assert checksum_url.endswith('-imagecube-44705.fits.checksum')
assert len(urls) == 2
