def setup(self):
"""
All the data in dummy1 of 'plus10' is the data in default + 10
So the addition of 'ascend' and 'plus10' should be no
more than 10 off from the addition of just 'ascend'
TODO: actually check the math on this
"""
self.testC = pysat.Constellation(name='test_add_similar')
self.refC = pysat.Constellation(
[pysat.Instrument('pysat', 'testing', tag='ascend')])
def setup(self):
"""
All the data in dummy1 of testadd3 is the data in testadd1 + 10
So the addition of testadd1 and testadd3 should be no more than 10 off from
the addition of just testadd1
TODO: actually check the math on this
"""
self.testC = pysat.Constellation(name='test_add_similar')
self.refC = pysat.Constellation(
[pysat.Instrument('pysat', 'testadd1', clean_level='clean')])
def test_custom_keyword_instantiation(self):
"""Test adding custom methods at Instrument instantiation
"""
self.testConst.custom_attach(mult_data, args=self.custom_args,
kwargs={'dkey': 'mlt'})
self.testConst.custom_attach(mult_data, args=self.custom_args)
# Create another instance of pysat.Instrument and add custom
# via the input keyword
custom = [{'function': mult_data, 'args': self.custom_args,
'kwargs': {'dkey': 'mlt'}},
{'function': mult_data, 'args': self.custom_args}]
testConst2 = pysat.Constellation(instruments=[
pysat.Instrument('pysat', 'testing', num_samples=10,
clean_level='clean', custom=custom)
for i in range(5)])
# Ensure all instruments within both constellations have the same
# custom_* attributes
for i, inst in enumerate(self.testConst.instruments):
inst2 = testConst2.instruments[i]
assert inst.custom_functions == inst2.custom_functions
assert inst.custom_args == inst2.custom_args
assert inst.custom_kwargs == inst2.custom_kwargs
def setup(self):
"""
The data in testadd1['dummy1'] is just ascending integers 0 to the
length of the other data, testadd2 has the same data but negative.
The addition of these two signals should be zero everywhere.
"""
self.testC = pysat.Constellation(name='test_add_opposite')
def setup(self):
'''Runs before every method to create a clean testing setup'''
insts = []
for i in range(5):
insts.append(pysat.Instrument('pysat','testing', tag='10', clean_level='clean'))
self.testConst = pysat.Constellation(insts)
def test_getitem(self):
"""Test Constellation iteration through instruments attribute
"""
self.in_kwargs['const_module'] = None
self.const = pysat.Constellation(**self.in_kwargs)
tst_get_inst = self.const[:]
pysat.utils.testing.assert_lists_equal(self.instruments, tst_get_inst)
def setup(self):
insts = []
for i in range(5):
insts.append(
pysat.Instrument('pysat', 'testing', clean_level='clean'))
self.testC = pysat.Constellation(instruments=insts)
self.testI = pysat.Instrument('pysat', 'testing', clean_level='clean')
def test_construct_raises_noniterable_error(self):
"""Attempt to construct a Constellation by const_module and list
"""
with pytest.raises(ValueError) as verr:
self.const = pysat.Constellation(instruments=self.instruments[0])
assert str(verr).find("instruments argument must be list-like")
def test_construct_constellation(self, ikey, ival, ilen):
"""Construct a Constellation with good input
"""
if ikey is not None:
self.in_kwargs[ikey] = ival
self.const = pysat.Constellation(**self.in_kwargs)
assert len(self.const.instruments) == ilen
def setup(self):
"""Create instruments and a constellation for each test."""
self.instruments = [
pysat.Instrument('pysat', 'testing', clean_level='clean')
for i in range(2)
]
self.const = pysat.Constellation(self.instruments)
def setup(self):
insts = []
for i in range(5):
insts.append(pysat.Instrument('pysat', 'testing',
clean_level='clean'))
self.testC = pysat.Constellation(instruments=insts)
self.testI = pysat.Instrument('pysat', 'testing', clean_level='clean')
self.bounds = (pysat.datetime(2008, 1, 1), pysat.datetime(2008, 1, 3))
def test_str_wo_inst(self):
"""Test Constellation string output without instruments loaded
"""
self.const = pysat.Constellation()
out_str = self.const.__str__()
assert out_str.find("pysat Constellation ") >= 0
assert out_str.find("No loaded Instruments") > 0
def test_repr_w_inst(self):
"""Test Constellation string output with instruments loaded
"""
self.in_kwargs['const_module'] = None
self.const = pysat.Constellation(**self.in_kwargs)
out_str = self.const.__repr__()
assert out_str.find("Constellation(instruments") >= 0
def setup(self):
insts = []
for i in range(2):
insts.append(
pysat.Instrument('pysat',
'testing',
clean_level='clean',
root_date=pysat.datetime(2009, 1, i + 1)))
self.testC = pysat.Constellation(instruments=insts)
def setup(self):
"""
The constellation consists of a single instrument, so performing
addition on it should just return the instrument's data within
the bounds
"""
insts = []
self.testInst = pysat.Instrument('pysat', 'testing', 'fives',
clean_level='clean')
insts.append(self.testInst)
self.testConst = pysat.Constellation(insts)
def setup(self):
insts = []
for i in range(2):
r_date = dt.datetime(2009, 1, i + 1)
insts.append(
pysat.Instrument('pysat',
'testing',
clean_level='clean',
root_date=r_date))
self.testC = pysat.Constellation(instruments=insts)
self.bounds = (dt.datetime(2008, 1, 1), dt.datetime(2008, 1, 3))
def setup(self):
"""Runs before every method to create a clean testing setup"""
warnings.simplefilter("always")
instruments = [
pysat.Instrument(platform='pysat',
name='testing',
sat_id='10',
clean_level='clean') for i in range(2)
]
self.testC = pysat.Constellation(instruments)
def setup(self):
"""Runs before every method to create a clean testing setup
"""
self.testConst = pysat.Constellation(instruments=[
pysat.Instrument('pysat', 'testing', num_samples=10,
clean_level='clean',
update_files=True)
for i in range(5)])
self.load_date = pysat.instruments.pysat_testing._test_dates['']['']
self.testConst.load(date=self.load_date)
self.custom_args = [2]
def test_bounds_passthrough(self):
"""Ensure bounds are applied to each instrument within Constellation"""
# Create costellation
self.const = pysat.Constellation(instruments=self.instruments)
# Set bounds
self.start_date = dt.datetime(2009, 1, 1)
self.stop_date = dt.datetime(2010, 1, 1)
self.const.bounds = (self.start_date, self.stop_date)
# Ensure constellation reports correct dates
assert self.const.bounds[0:2] == ([self.start_date], [self.stop_date])
# Test bounds are the same for all instruments
for instrument in self.const:
assert instrument.bounds == self.const.bounds
def test_single_attachment_of_custom_function(self):
"""Test successful attachment of custom function
"""
# Define a custom function
def double_mlt(inst):
dmlt = 2.0 * inst.data.mlt
dmlt.name = 'doubleMLT'
inst.data[dmlt.name] = dmlt
return
# Initialize the constellation
self.in_kwargs['const_module'] = None
self.const = pysat.Constellation(**self.in_kwargs)
# Add the custom function
self.const.custom_attach(double_mlt, at_pos='end')
self.const.load(2009, 1)
# Test the added value
for inst in self.const:
assert 'doubleMLT' in inst.data.columns
assert (inst['doubleMLT'] == 2.0 * inst['mlt']).all()
def test_construct_by_list(self):
"""Construct a Constellation with a list."""
const = pysat.Constellation(self.instruments)
assert len(const.instruments) == 2
def setup(self):
insts = []
insts.append(
pysat.Instrument('pysat', 'testing2d', clean_level='clean'))
self.testC = pysat.Constellation(insts)
def setup(self):
"""Runs before every method to create a clean testing setup."""
self.testConst = \
pysat.Constellation([pysat.Instrument('pysat', 'testing',
sat_id='10',
clean_level='clean')])
def test_construct_null(self):
"""Attempt to construct a Constellation with
no arguments."""
const = pysat.Constellation()
assert len(const.instruments) == 0
def setup(self):
self.const1 = pysat.Constellation(name='testing')
self.const2 = pysat.Constellation(name='single_test')
def test_construct_bad_instruments(self):
"""Attempt to construct a Constellation with
a bad instrument 'list.'"""
pysat.Constellation(instruments=42)
def test_construct_both(self):
"""Attempt to construct a Constellation by name and list.
Raises an error."""
pysat.Constellation(instruments=self.instruments, name='testing')
def setup(self):
'''Runs before every method to create a clean testing setup.'''
self.testConst = pysat.Constellation([
pysat.Instrument('pysat', 'testing', tag='10', clean_level='clean')
])
def test_construct_by_name(self):
"""Construct a Constellation by name.
Should access a predefined Constellation."""
const = pysat.Constellation(name='testing')
assert len(const.instruments) == 5
def setup(self):
self.const = pysat.Constellation(name='test_diff2')
