def test_create_expr_mask_size_error(mask):
"""What happens when the mask][True] and vals arrays have different sizes?
This should be an error but currently isn't.
"""
with pytest.raises(ValueError) as exc:
utils.create_expr([1, 2, 3, 4], mask)
assert str(exc.value) == 'mask array mis-match with vals'
def test_create_expr_missing_nomask():
"""Simple test of create_expr with no mask with missing data"""
chans = numpy.arange(1, 20, dtype=numpy.int16)
chans = chans[(chans < 12) | (chans > 13)]
out = utils.create_expr(chans)
assert out == "1-11,14-19"
def test_create_expr_mask_delim():
"""Simple test of create_expr with an identity mask."""
chans = numpy.arange(1, 10, dtype=numpy.int16)
mask = numpy.ones(9, dtype=bool)
out = utils.create_expr(chans, mask, delim='::')
assert out == "1::9"
def test_create_expr_missing_multiple1_nomask():
"""Simple test of create_expr with no mask with missing data"""
chans = numpy.asarray([1, 2, 4, 6, 7, 10, 18], dtype=numpy.int16)
out = utils.create_expr(chans)
assert out == "1-2,4,6-7,10,18"
def test_create_expr_missing_mask():
"""Simple test of create_expr with an identity with missing data"""
chans = numpy.arange(1, 20, dtype=numpy.int16)
filt = (chans < 12) | (chans > 13)
out = utils.create_expr(chans[filt], filt)
assert out == "1-11,14-19"
def get_filter(self, format='%.4f', delim=':'):
# for derived intergrated classes, this will return values in center of
# bin.
x = self.get_x(filter=True)
mask = numpy.ones(len(x), dtype=bool)
if numpy.iterable(self.mask):
mask = self.mask
return create_expr(x, mask, format, delim)
def get_filter(self, format='%.4f', delim=':'):
# for derived intergrated classes, this will return values in center of
# bin.
x = self.get_x(filter=True)
mask = numpy.ones(len(x), dtype=bool)
if numpy.iterable(self.mask):
mask = self.mask
return create_expr(x, mask, format, delim)
def test_create_expr_mask_dropend():
"""End is masked out"""
chans = numpy.arange(1, 20, dtype=numpy.int16)
filt = chans < 5
vals = numpy.arange(19) * 0.01 + 0.4
out = utils.create_expr(vals[filt], filt, format='%4.2f')
assert out == "0.40-0.43"
def test_create_expr_missing_mask_nonchannels():
"""What happens if the input is not in channel units?"""
chans = numpy.arange(1, 20, dtype=numpy.int16)
filt = (chans < 12) | (chans > 13)
vals = numpy.arange(19) * 0.01 + 0.4
out = utils.create_expr(vals[filt], filt, format='%4.2f')
assert out == "0.40-0.50,0.53-0.58"
def test_create_expr_mask_dropend2():
"""End is masked out"""
chans = numpy.arange(1, 20, dtype=numpy.int16)
filt = (chans < 15) & ((chans < 8) | (chans > 11))
vals = numpy.arange(19) * 0.01 + 0.4
out = utils.create_expr(vals[filt], filt, format='%4.2f')
assert out == "0.40-0.46,0.51-0.53"
def test_create_expr_mask_drop():
"""mask all the things (but leave some data!)"""
chans = numpy.arange(1, 20, dtype=numpy.int16)
filt = (chans > 5) & (chans < 15) & ((chans < 10) | (chans > 12))
vals = numpy.arange(19) * 0.01 + 0.4
out = utils.create_expr(vals[filt], filt, format='%4.2f')
assert out == "0.45-0.48,0.52-0.53"
def test_create_expr_mask_dropstart2():
"""Start is masked out"""
chans = numpy.arange(1, 20, dtype=numpy.int16)
filt = (chans > 3) & ((chans < 8) | (chans > 10))
vals = numpy.arange(19) * 0.01 + 0.4
out = utils.create_expr(vals[filt], filt, format='%4.2f')
assert out == "0.43-0.46,0.50-0.58"
def test_create_expr_missing_end_nomask():
"""Simple test of create_expr with no mask with missing data
Ends with a single bin.
"""
chans = numpy.arange(1, 20, dtype=numpy.int16)
chans = chans[chans != 18]
out = utils.create_expr(chans)
assert out == "1-17,19"
def test_create_expr_missing_start_nomask():
"""Simple test of create_expr with no mask with missing data
Have a single bin, then missing data, then the rest
"""
chans = numpy.arange(1, 20, dtype=numpy.int16)
chans = chans[chans != 2]
out = utils.create_expr(chans)
assert out == "1,3-19"
def test_create_expr_mask_singlebin(idx):
"""mask all the things (but leave one bin)"""
filt = numpy.zeros(19, dtype=bool)
filt[idx] = True
vals = numpy.arange(19) * 0.01 + 0.4
out = utils.create_expr(vals[filt], filt, format='%4.2f')
expected = "{:4.2f}".format(vals[filt][0])
assert out == expected
def test_create_expr_missing_start2_mask():
"""How does this compare to nomask version?"""
chans = numpy.arange(1, 20, dtype=numpy.int16)
filt = chans != 3
vals = numpy.arange(19) * 0.01 + 0.4
out = utils.create_expr(vals[filt], filt, format='%4.2f')
assert out == "0.40-0.41,0.43-0.58"
def test_create_expr_mask_singlebins():
"""several single bin"""
filt = numpy.zeros(19, dtype=bool)
filt[0] = True
filt[2] = True
filt[16] = True
filt[18] = True
vals = numpy.arange(19) * 0.01 + 0.4
out = utils.create_expr(vals[filt], filt, format='%4.2f')
assert out == "0.40,0.42,0.56,0.58"
def test_create_expr_missing_nomask_nonchannels():
"""What happens if the input is not in channel units?"""
chans = numpy.arange(1, 20, dtype=numpy.int16)
filt = (chans < 12) | (chans > 13)
vals = numpy.arange(19) * 0.01 + 0.4
out = utils.create_expr(vals[filt], format='%4.2f')
# I am not sure this is the correct output, but it's what
# we create.
#
vs = ['{:4.2f}'.format(v) for v in vals[filt]]
expected = ','.join(vs)
assert out == expected
def test_create_expr_nomask():
"""Simple test of create_expr with no mask."""
chans = numpy.arange(1, 10, dtype=numpy.int16)
out = utils.create_expr(chans)
assert out == "1-9"
def test_create_expr_singleton(val, expected):
"""Simple test of create_expr with no mask."""
out = utils.create_expr(numpy.asarray([val]))
assert out == expected
def test_create_expr_empty_mask():
"""What happens if the mask is all masked out"""
mask = numpy.zeros(5, dtype=bool)
out = utils.create_expr([], mask)
assert out == ""
def test_create_expr_nomask_delim():
"""Simple test of create_expr with no mask."""
chans = numpy.arange(1, 10, dtype=numpy.int16)
out = utils.create_expr(chans, delim='::')
assert out == "1::9"
def test_create_expr_empty():
"""Simple test of create_expr with no mask."""
out = utils.create_expr([])
assert out == ""
