def test_header_from_readme():
r = ascii.Cds("data/vizier/ReadMe")
table = r.read("data/vizier/table1.dat")
assert len(r.data.data_lines) == 15
assert len(table) == 15
assert len(table.keys()) == 18
Bmag = [
14.79, 15.00, 14.80, 12.38, 12.36, 12.24, 13.75, 13.65, 13.41, 11.59,
11.68, 11.53, 13.92, 14.03, 14.18
]
for i, val in enumerate(table.field('Bmag')):
assert val == Bmag[i]
table = r.read("data/vizier/table5.dat")
assert len(r.data.data_lines) == 49
assert len(table) == 49
assert len(table.keys()) == 10
Q = [
0.289, 0.325, 0.510, 0.577, 0.539, 0.390, 0.957, 0.736, 1.435, 1.117,
1.473, 0.808, 1.416, 2.209, 0.617, 1.046, 1.604, 1.419, 1.431, 1.183,
1.210, 1.005, 0.706, 0.665, 0.340, 0.323, 0.391, 0.280, 0.343, 0.369,
0.495, 0.828, 1.113, 0.499, 1.038, 0.260, 0.863, 1.638, 0.479, 0.232,
0.627, 0.671, 0.371, 0.851, 0.607, -9.999, 1.958, 1.416, 0.949
]
for i, val in enumerate(table.field('Q')):
if val is np.ma.masked:
# text value for a missing value in that table
assert Q[i] == -9.999
else:
assert val == Q[i]
def test_cds_order():
# Make sure CDS Reader does not ignore order specifier that maybe present after
# the null specifier '?'
readme = 'data/cds/null/ReadMe1'
data = 'data/cds/null/table.dat'
r = ascii.Cds(readme)
r.read(data)
assert_equal(r.header.cols[5].description,
'Catalogue Identification Number')
assert_equal(r.header.cols[8].description, 'Equivalent width (in mA)')
assert_equal(r.header.cols[9].description,
'Luminosity class codified (11)')
def test_cds_ignore_nullable():
# Make sure CDS Reader does not ignore nullabilty for columns
# with a limit specifier
readme = 'data/cds/null/ReadMe'
data = 'data/cds/null/table.dat'
r = ascii.Cds(readme)
r.read(data)
assert_equal(r.header.cols[6].description,
'Temperature class codified (10)')
assert_equal(r.header.cols[8].description,
'Luminosity class codified (11)')
assert_equal(r.header.cols[5].description,
'Pericenter position angle (18)')
def test_cds_no_whitespace():
# Make sure CDS Reader only checks null values when an '=' symbol is present,
# and read description text even if there is no whitespace after '?'.
readme = 'data/cds/null/ReadMe1'
data = 'data/cds/null/table.dat'
r = ascii.Cds(readme)
r.read(data)
assert_equal(r.header.cols[6].description,
'Temperature class codified (10)')
assert_equal(r.header.cols[6].null, '')
assert_equal(r.header.cols[7].description, 'Equivalent width (in mA)')
assert_equal(r.header.cols[7].null, '-9.9')
assert_equal(r.header.cols[10].description,
'DAOSPEC quality parameter Q(large values are bad)')
assert_equal(r.header.cols[10].null, '-9.999')
def read_table1(readme, data):
reader = ascii.Cds(readme)
return reader.read(data)
