def test_field_get_value(bibs):
from dlx.marc import Bib
bib = Bib(bibs[0])
field = bib.get_field('245')
assert field.get_value('a') == 'This'
assert field.get_values('a', 'b') == ['This', 'is the']
def test_get_field(bibs):
from dlx.marc import Bib, Field, Controlfield, Datafield
bib = Bib(bibs[0])
assert isinstance(bib.get_field('000'), Controlfield)
assert isinstance(bib.get_field('245'), Datafield)
assert bib.get_field('245').tag == '245'
fields = bib.get_fields('245', '520')
for field in fields:
assert isinstance(field, Field)
bib = Bib()
for tag in ('400', '100', '500', '300', '200'):
bib.set(tag, 'a', 'test')
assert [field.tag for field in bib.get_fields()] == ['100', '200', '300', '400', '500']
