def test_filter_bad_with_rename_and_chain():
dw = DatasetWriter(name="filter bad with rename",
allow_missing_slices=True)
dw.add('a', 'ascii')
dw.add('b', 'bytes')
dw.add('c', 'unicode')
dw.set_slice(0)
dw.write('0', b'1', '2')
dw.write('9', B'A', 'B')
dw.write('C', B'D', 'E')
source_ds = dw.finish()
jid = subjobs.build(
'dataset_type',
column2type=dict(b='int32_10', c='int64_16', d='int32_16'),
filter_bad=True,
rename=dict(a='b', b='c', c='d'),
source=source_ds,
)
typed_ds = jid.dataset()
coltypes = sorted(
(name, col.type) for name, col in typed_ds.columns.items())
assert coltypes == [('b', 'int32'), ('c', 'int64'),
('d', 'int32')], coltypes
assert list(typed_ds.iterate(0)) == [(0, 1, 2), (9, 10, 11)]
bad_ds = jid.dataset('bad')
coltypes = sorted((name, col.type) for name, col in bad_ds.columns.items())
assert coltypes == [('b', 'ascii'), ('c', 'bytes'),
('d', 'unicode')], coltypes
assert list(bad_ds.iterate(0)) == [('C', b'D', 'E')]
dw = DatasetWriter(name="filter bad with rename chain",
allow_missing_slices=True,
previous=source_ds)
dw.add('a', 'ascii')
dw.add('b', 'ascii')
dw.add('c', 'ascii')
dw.set_slice(0)
dw.write('3', '4', '5')
dw.write('6', '7', 'eight')
source_ds = dw.finish()
jid = subjobs.build(
'dataset_type',
column2type=dict(a='number', b='int32_10', c='int64_10'),
defaults=dict(a='8'),
filter_bad=True,
rename=dict(a='b', b='c', c='a'),
source=source_ds,
)
typed_ds = jid.dataset()
coltypes = sorted(
(name, col.type) for name, col in typed_ds.columns.items())
assert coltypes == [('a', 'number'), ('b', 'int32'),
('c', 'int64')], coltypes
assert list(typed_ds.iterate(0)) == [(2, 0, 1), (5, 3, 4), (8, 6, 7)]
bad_ds = jid.dataset('bad')
coltypes = sorted((name, col.type) for name, col in bad_ds.columns.items())
assert coltypes == [('a', 'unicode'), ('b', 'ascii'),
('c', 'bytes')], coltypes
assert list(bad_ds.iterate(0)) == [('B', '9', b'A'), ('E', 'C', b'D')]
def test_filter_bad_across_types():
columns={
'bytes': 'bytes',
'float64': 'bytes',
'int32_10': 'ascii',
'json': 'unicode',
'number:int': 'unicode',
'unicode:utf-8': 'bytes',
}
# all_good, *values
# Make sure all those types (except bytes) can filter other lines,
# and be filtered by other lines. And that several filtering values
# is not a problem (line 11).
data = [
(True, b'first', b'1.1', '1', '"a"', '001', b'ett',),
(True, b'second', b'2.2', '2', '"b"', '02', b'tv\xc3\xa5',),
(True, b'third', b'3.3', '3', '["c"]', '3.0', b'tre',),
(False, b'fourth', b'4.4', '4', '"d"', '4.4', b'fyra',), # number:int bad
(False, b'fifth', b'5.5', '-', '"e"', '5', b'fem',), # int32_10 bad
(False, b'sixth', b'6.b', '6', '"f"', '6', b'sex',), # float64 bad
[False, b'seventh', b'7.7', '7', '{"g"}', '7', b'sju',], # json bad
(False, b'eigth', b'8.8', '8', '"h"', '8', b'\xa5\xc3tta',),# unicode:utf-8 bad
(True, b'ninth', b'9.9', '9', '"i"', '9', b'nio',),
(True, b'tenth', b'10', '10', '"j"', '10', b'tio',),
(False, b'eleventh', b'11a', '1-', '"k",', '1,', b'elva',), # float64, int32_10 and number:int bad
(True, b'twelfth', b'12', '12', '"l"', '12', b'tolv',),
]
dw = DatasetWriter(name="filter bad across types", columns=columns)
dw.set_slice(0)
want = []
def add_want(v):
want.append((int(v[3]), v[1], json.loads(v[4]), v[6].decode('utf-8'),))
for v in data:
if v[0]:
add_want(v)
dw.write(*v[1:])
for sliceno in range(1, g.slices):
dw.set_slice(sliceno)
source_ds = dw.finish()
# Once with just filter_bad, once with some defaults too.
defaults = {}
for _ in range(2):
jid = subjobs.build(
'dataset_type',
datasets=dict(source=source_ds),
options=dict(column2type={t: t for t in columns}, filter_bad=True, defaults=defaults),
)
typed_ds = Dataset(jid)
got = list(typed_ds.iterate(0, ['int32_10', 'bytes', 'json', 'unicode:utf-8']))
assert got == want, "Exptected %r, got %r from %s (from %r%s)" % (want, got, typed_ds, source_ds, ' with defaults' if defaults else '')
# make more lines "ok" for the second lap
defaults = {'number:int': '0', 'float64': '0', 'json': '"replacement"'}
add_want(data[3])
add_want(data[5])
data[6][4] = '"replacement"'
add_want(data[6])
want.sort() # adding them out of order, int32_10 sorts correctly.
def synthesis(params):
ds = write(data)
for colname in data[0]:
verify(params.slices, data, ds, hashlabel=colname)
# ok, all the hashing stuff works out, let's test the chaining options.
bonus_ds = write(bonus_data, name="bonus", previous=ds)
# no chaining options - full chain
verify(params.slices, data + bonus_data, bonus_ds, hashlabel="date")
# just the bonus ds
verify(params.slices, bonus_data, bonus_ds, hashlabel="date", length=1)
# built as a chain
verify(params.slices,
data + bonus_data,
bonus_ds,
hashlabel="date",
as_chain=True)
# normal chaining
a = verify(params.slices, data, ds, hashlabel="date")
b = verify(params.slices,
data + bonus_data,
bonus_ds,
hashlabel="date",
previous=a)
assert b.chain() == [
a, b
], "chain of %s is not [%s, %s] as expected" % (b, a, b)
# as_chain sparseness
dw = DatasetWriter(columns=columns, name="empty")
dw.get_split_write()
ds = verify(params.slices, [],
dw.finish(),
hashlabel="date",
as_chain=True)
assert len(
ds.chain()
) == 1, ds + ": dataset_hashpart on empty dataset with as_chain=True did not produce a single dataset"
# two populated slices with the same data, should end up in two datasets.
dw = DatasetWriter(columns=columns,
name="0 and 2",
allow_missing_slices=True)
dw.set_slice(0)
dw.write_dict(data[0])
dw.set_slice(2)
dw.write_dict(data[0])
ds = verify(params.slices, [data[0]],
dw.finish(),
hashlabel="date",
as_chain=True)
got_slices = len(ds.chain())
assert got_slices == 2, "%s (built with as_chain=True) has %d datasets in chain, expected 2." % (
ds,
got_slices,
)
def _verify(name, types, data, coltype, want, default, want_fail, kw):
if callable(want):
check = want
else:
def check(got, fromstr, filtered=False):
want1 = want if isinstance(want, list) else want[typ]
if filtered:
want1 = want1[::2]
assert got == want1, 'Expected %r, got %r from %s.' % (want1, got, fromstr,)
dw = DatasetWriter(name=name, columns={'data': coltype, 'extra': 'bytes'})
dw.set_slice(0)
for ix, v in enumerate(data):
dw.write(v, b'1' if ix % 2 == 0 else b'skip')
for sliceno in range(1, g.slices):
dw.set_slice(sliceno)
bytes_ds = dw.finish()
for typ in types:
opts = dict(column2type=dict(data=typ))
opts.update(kw)
if default is not no_default:
opts['defaults'] = {'data': default}
try:
jid = subjobs.build('dataset_type', datasets=dict(source=bytes_ds), options=opts)
except JobError:
if want_fail:
continue
raise Exception('Typing %r as %s failed.' % (bytes_ds, typ,))
assert not want_fail, "Typing %r as %s should have failed, but didn't (%s)." % (bytes_ds, typ, jid)
typed_ds = Dataset(jid)
got = list(typed_ds.iterate(0, 'data'))
check(got, '%s (typed as %s from %r)' % (typed_ds, typ, bytes_ds,))
if 'filter_bad' not in opts and not callable(want):
opts['filter_bad'] = True
opts['column2type']['extra'] = 'int32_10'
jid = subjobs.build('dataset_type', datasets=dict(source=bytes_ds), options=opts)
typed_ds = Dataset(jid)
got = list(typed_ds.iterate(0, 'data'))
check(got, '%s (typed as %s from %r with every other line skipped from filter_bad)' % (typed_ds, typ, bytes_ds,), True)
used_type(typ)
def test_filter_bad_across_types():
columns = {
'bytes': 'bytes',
'float64': 'bytes',
'int32_10': 'ascii',
'json': 'unicode',
'number:int': 'unicode',
'unicode:utf-8': 'bytes',
}
# all_good, *values
# Make sure all those types (except bytes) can filter other lines,
# and be filtered by other lines. And that several filtering values
# is not a problem (line 11).
data = [
[
True,
b'first',
b'1.1',
'1',
'"a"',
'001',
b'ett',
],
[
True,
b'second',
b'2.2',
'2',
'"b"',
'02',
b'tv\xc3\xa5',
],
[
True,
b'third',
b'3.3',
'3',
'["c"]',
'3.0',
b'tre',
],
[
False,
b'fourth',
b'4.4',
'4',
'"d"',
'4.4',
b'fyra',
], # number:int bad
[
False,
b'fifth',
b'5.5',
'-',
'"e"',
'5',
b'fem',
], # int32_10 bad
[
False,
b'sixth',
b'6.b',
'6',
'"f"',
'6',
b'sex',
], # float64 bad
[
False,
b'seventh',
b'7.7',
'7',
'{"g"}',
'7',
b'sju',
], # json bad
[
False,
b'eigth',
b'8.8',
'8',
'"h"',
'8',
b'\xa5\xc3tta',
], # unicode:utf-8 bad
[
True,
b'ninth',
b'9.9',
'9',
'"i"',
'9',
b'nio',
],
[
True,
b'tenth',
b'10',
'10',
'"j"',
'10',
b'tio',
],
[
False,
b'eleventh',
b'11a',
'1-',
'"k",',
'1,',
b'elva',
], # float64, int32_10 and number:int bad
[
True,
b'twelfth',
b'12',
'12',
'"l"',
'12',
b'tolv',
],
]
want_bad = [tuple(l[1:]) for l in data if not l[0]]
dw = DatasetWriter(name="filter bad across types",
columns=columns,
allow_missing_slices=True)
cols_to_check = ['int32_10', 'bytes', 'json', 'unicode:utf-8']
if PY3:
# z so it sorts last.
dw.add('zpickle', 'pickle')
cols_to_check.append('zpickle')
for ix in range(len(data)):
data[ix].append({ix})
dw.set_slice(0)
want = []
def add_want(ix):
v = data[ix]
want.append((
int(v[3]),
v[1],
json.loads(v[4]),
v[6].decode('utf-8'),
))
if PY3:
want[-1] = want[-1] + (v[7], )
for ix, v in enumerate(data):
if v[0]:
add_want(ix)
dw.write(*v[1:])
source_ds = dw.finish()
# Once with just filter_bad, once with some defaults too.
defaults = {}
for _ in range(2):
jid = subjobs.build(
'dataset_type',
datasets=dict(source=source_ds),
options=dict(column2type={t: t
for t in columns},
filter_bad=True,
defaults=defaults),
)
typed_ds = Dataset(jid)
got = list(typed_ds.iterate(0, cols_to_check))
assert got == want, "Expected %r, got %r from %s (from %r%s)" % (
want, got, typed_ds, source_ds,
' with defaults' if defaults else '')
bad_ds = Dataset(jid, 'bad')
got_bad = list(bad_ds.iterate(0, sorted(columns)))
assert got_bad == want_bad, "Expected %r, got %r from %s (from %r%s)" % (
want_bad, got_bad, bad_ds, source_ds,
' with defaults' if defaults else '')
# make more lines "ok" for the second lap
if not defaults:
want_bad.pop(0) # number:int
want_bad.pop(1) # float64
want_bad.pop(1) # json
defaults = {'number:int': '0', 'float64': '0', 'json': '"replacement"'}
add_want(3)
add_want(5)
data[6][4] = '"replacement"'
add_want(6)
want.sort() # adding them out of order, int32_10 sorts correctly.
def synthesis(params):
a0 = mkds('a0', ['0', '1'], [(1, 2), (3, 4), (5, 6)])
a1 = mkds('a1', ['0', '1'], [(7, 8), (9, 10), (11, 12)], previous=a0)
b0 = mkds('b0', ['1', '2'], [(13, 14), (15, 16), (17, 18)], parent=a0)
b1 = mkds('b1', ['1', '2'], [(19, 20), (21, 22), (23, 24)],
parent=a1,
previous=b0)
c0 = mkds('c0', ['3'], [(25, ), (26, ), (27, )], parent=a0)
c1 = mkds('c1', ['3'], [(28, ), (29, ), (30, )], parent=a1, previous=c0)
# a contains columns 0 and 1
# b contains columns 0, 1 and 2 with 0 from a
# c contains columns 0, 1 and 3 with 0 and 1 from a
bc0 = merge('bc0', b0, c0) # simple merge, one overlapping column
# bc contains columns 0, 1, 2 and 3, with 0 and 1 from a (via c), 2 from b and 3 from c
check(bc0, [(1, 2, 14, 25), (3, 4, 16, 26), (5, 6, 18, 27)])
bc1 = merge('bc1', b1, c1, previous=bc0) # chained
check(bc1, [(1, 2, 14, 25), (3, 4, 16, 26), (5, 6, 18, 27), (7, 8, 20, 28),
(9, 10, 22, 29), (11, 12, 24, 30)])
cb0 = merge('cb0', c0,
b0) # other direction, getting the other "1" column.
# cb contains columns 0, 1, 2 and 3, with 0 from a (via b), 1 and 2 from b and 3 from c
check(cb0, [(1, 13, 14, 25), (3, 15, 16, 26), (5, 17, 18, 27)])
d0 = mkds('d0', ['4'], [(37, ), (38, ), (39, )], parent=c0)
bd0 = merge('bd0', b0, d0) # immediate parents are not shared
# bd contains columns 0, 1, 2, 3 and 4, with 0 and 1 from a (via d -> c -> a), 2 from b, 3 from c and 4 from d
check(bd0, [(1, 2, 14, 25, 37), (3, 4, 16, 26, 38), (5, 6, 18, 27, 39)])
# more than two datasets with complex parent relationship
# merged in two stages here, but a single dataset_merge job later.
cbd0 = merge('cbd0', c0, bd0)
del merges['cbd0']
cbdb0 = merge('cbdb0', cbd0, b0)
merges['cbdb0'] = ((c0, bd0, b0), {})
# cbdb contains columns 0, 1, 2, 3 and 4, with 0 from a (via d -> c -> a), 1 and 2 from b, 3 from c and 4 from d
check(cbdb0, [(1, 13, 14, 25, 37), (3, 15, 16, 26, 38),
(5, 17, 18, 27, 39)])
fail_merge(a0, a1) # no parents
fail_merge(b0, b1) # parents not shared
fail_merge(b0, b0) # merge with self
other = mkds('other', ['5'], [(31, ), (32, ), (33, )])
fail_merge(a0, other) # parents not shared
aother = merge('aother', a0, other, allow_unrelated=True)
# aother contains 0 and 1 from a, 5 from other
check(aother, [(1, 2, 31), (3, 4, 32), (5, 6, 33)])
# check hashed datasets too
ab_a = mkds('ab_a', ['a', 'b'], [(1, 2), (3, 4), (5, 6)], hashlabel='a')
ab_b = mkds('ab_b', ['a', 'b'], [(7, 8), (9, 10), (11, 12)], hashlabel='b')
ac_a = mkds('ac_a', ['a', 'c'], [(1, 14), (3, 15), (5, 16)],
hashlabel='a') # a values must match ab_a
fail_merge(ab_a, ab_b, allow_unrelated=True) # different hashlabels
abac_a = merge('abac_a', ab_a, ac_a, allow_unrelated=True)
assert abac_a.hashlabel == 'a'
check(abac_a, [(1, 2, 14), (3, 4, 15), (5, 6, 16)])
# merge hashed with unhashed (which we align with the hashlabel manually)
dw = DatasetWriter(name='d_none', columns={'d': 'number'})
for sliceno in range(params.slices):
dw.set_slice(sliceno)
for v in ab_a.iterate(sliceno, 'a'):
dw.write(v + 16)
d_none = dw.finish()
abd_a = merge('abd_a', ab_a, d_none, allow_unrelated=True)
assert abd_a.hashlabel == 'a'
check(abd_a, [(1, 2, 17), (3, 4, 19), (5, 6, 21)])
# other way round should affect nothing here
dab_a = merge('dab_a', ab_a, d_none, allow_unrelated=True)
assert dab_a.hashlabel == 'a'
check(dab_a, [(1, 2, 17), (3, 4, 19), (5, 6, 21)])
# the same test but with the lines in the wrong slices:
dw = DatasetWriter(name='e_none', columns={'e': 'number'})
e_done = False
for sliceno in range(params.slices):
dw.set_slice(sliceno)
# there are 3 lines in total, some slice will not have all of them.
if ab_a.lines[sliceno] != 3 and not e_done:
dw.write(17)
dw.write(19)
dw.write(21)
e_done = True
assert e_done
e_none = dw.finish()
fail_merge(ab_a, e_none, allow_unrelated=True)
# and finally test all we tested above using the dataset_merge method too
for name, (parents, kw) in merges.items():
a_ds = dict(source=parents)
if 'previous' in kw:
a_ds['previous'] = kw.pop('previous')
jid = subjobs.build('dataset_merge', datasets=a_ds, options=kw)
check(jid.dataset(), checks[name])
for parents, kw in failed_merges:
try:
subjobs.build('dataset_merge',
datasets=dict(source=parents),
options=kw)
except JobError:
continue
raise Exception("dataset_merge incorrectly allowed %r with %r" %
(parents, kw))