def test_serialize_defaults(self):
mdwrap = metsrw.MDWrap('<foo/>', 'PREMIS:DUMMY')
elem = mdwrap.serialize()
assert elem.tag == '{http://www.loc.gov/METS/}mdWrap'
assert elem.attrib['MDTYPE'] == 'PREMIS:DUMMY'
assert len(elem.attrib) == 1
assert elem[0].tag == '{http://www.loc.gov/METS/}xmlData'
assert len(elem[0].attrib) == 0
assert elem[0][0].tag == 'foo'
def test_serialize_params(self):
mdwrap = metsrw.MDWrap(etree.Element('foo'),
mdtype='OTHER',
othermdtype='SYSTEM')
elem = mdwrap.serialize()
assert elem.tag == '{http://www.loc.gov/METS/}mdWrap'
assert elem.attrib['MDTYPE'] == 'OTHER'
assert elem.attrib['OTHERMDTYPE'] == 'SYSTEM'
assert len(elem.attrib) == 2
assert elem[0].tag == '{http://www.loc.gov/METS/}xmlData'
assert len(elem[0].attrib) == 0
assert elem[0][0].tag == 'foo'
def test_subsection_serialize_no_date(self):
content = metsrw.MDWrap('<foo/>', None)
content.serialize = lambda: etree.Element('dummy_data')
subsection = metsrw.SubSection('techMD', content)
subsection._id = 'techMD_1'
root = subsection.serialize()
assert root.tag == '{http://www.loc.gov/METS/}techMD'
assert root.attrib['ID'] == 'techMD_1'
assert root.attrib['STATUS'] == 'current'
assert len(root.attrib) == 2
assert len(root) == 1
assert root[0].tag == 'dummy_data'
class TestSubSection(TestCase):
""" Test SubSection class. """
STUB_MDWRAP = metsrw.MDWrap('<foo/>', 'PREMIS:DUMMY')
def test_allowed_tags(self):
""" It should only allow certain subsection tags. """
with pytest.raises(ValueError):
metsrw.SubSection('fakeMD', None)
metsrw.SubSection('dmdSec', None)
metsrw.SubSection('techMD', None)
metsrw.SubSection('rightsMD', None)
metsrw.SubSection('sourceMD', None)
metsrw.SubSection('digiprovMD', None)
def test_replace_with_diff_type(self):
""" It should assert if replacing with a different subsection type. """
dmdsec = metsrw.SubSection('dmdSec', self.STUB_MDWRAP)
rightsmd = metsrw.SubSection('rightsMD', self.STUB_MDWRAP)
with pytest.raises(metsrw.MetsError):
dmdsec.replace_with(rightsmd)
def test_replacement_techmd(self):
""" It should have no special behaviour replacing techMDs. """
techmd_old = metsrw.SubSection('techMD', self.STUB_MDWRAP)
techmd_new = metsrw.SubSection('techMD', self.STUB_MDWRAP)
techmd_old.replace_with(techmd_new)
assert techmd_old.get_status() is 'superseded'
assert techmd_new.get_status() is 'current'
def test_replacement_sourcemd(self):
""" It should have no special behaviour replacing sourceMDs. """
sourcemd_old = metsrw.SubSection('sourceMD', self.STUB_MDWRAP)
sourcemd_new = metsrw.SubSection('sourceMD', self.STUB_MDWRAP)
sourcemd_old.replace_with(sourcemd_new)
assert sourcemd_old.get_status() is None
assert sourcemd_new.get_status() is None
def test_replacement_digiprovmd(self):
""" It should have no special behaviour replacing digiprovMDs. """
digiprovmd_old = metsrw.SubSection('digiprovMD', self.STUB_MDWRAP)
digiprovmd_new = metsrw.SubSection('digiprovMD', self.STUB_MDWRAP)
digiprovmd_old.replace_with(digiprovmd_new)
assert digiprovmd_old.get_status() is None
assert digiprovmd_new.get_status() is None
def test_replacement_rightsmd(self):
"""
It should mark the most recent rightsMD 'current'.
It should mark all other rightsMDs 'superseded'.
"""
rightsmd_old = metsrw.SubSection('rightsMD', self.STUB_MDWRAP)
assert rightsmd_old.get_status() == 'current'
rightsmd_new = metsrw.SubSection('rightsMD', self.STUB_MDWRAP)
rightsmd_old.replace_with(rightsmd_new)
assert rightsmd_old.get_status() == 'superseded'
assert rightsmd_new.get_status() == 'current'
rightsmd_newer = metsrw.SubSection('rightsMD', self.STUB_MDWRAP)
rightsmd_new.replace_with(rightsmd_newer)
assert rightsmd_old.get_status() == 'superseded'
assert rightsmd_new.get_status() == 'superseded'
assert rightsmd_newer.get_status() == 'current'
def test_replacement_dmdsec(self):
"""
It should mark the first dmdSec 'original'.
It should mark all other dmdSecs 'updated'.
"""
dmdsec_old = metsrw.SubSection('dmdSec', self.STUB_MDWRAP)
assert dmdsec_old.get_status() == 'original'
dmdsec_new = metsrw.SubSection('dmdSec', self.STUB_MDWRAP)
dmdsec_old.replace_with(dmdsec_new)
assert dmdsec_old.get_status() == 'original'
assert dmdsec_new.get_status() == 'updated'
dmdsec_newer = metsrw.SubSection('dmdSec', self.STUB_MDWRAP)
dmdsec_new.replace_with(dmdsec_newer)
assert dmdsec_old.get_status() == 'original'
assert dmdsec_new.get_status() == 'updated'
assert dmdsec_newer.get_status() == 'updated'
def test_subsection_serialize(self):
content = metsrw.MDWrap('<foo/>', None)
content.serialize = lambda: etree.Element('dummy_data')
subsection = metsrw.SubSection('techMD', content)
subsection._id = 'techMD_1'
root = subsection.serialize("2014-07-23T21:48:33")
assert root.tag == '{http://www.loc.gov/METS/}techMD'
assert root.attrib['ID'] == 'techMD_1'
assert root.attrib['CREATED'] == '2014-07-23T21:48:33'
assert root.attrib['STATUS'] == 'current'
assert len(root.attrib) == 3
assert len(root) == 1
assert root[0].tag == 'dummy_data'
def test_subsection_serialize_no_date(self):
content = metsrw.MDWrap('<foo/>', None)
content.serialize = lambda: etree.Element('dummy_data')
subsection = metsrw.SubSection('techMD', content)
subsection._id = 'techMD_1'
root = subsection.serialize()
assert root.tag == '{http://www.loc.gov/METS/}techMD'
assert root.attrib['ID'] == 'techMD_1'
assert root.attrib['STATUS'] == 'current'
assert len(root.attrib) == 2
assert len(root) == 1
assert root[0].tag == 'dummy_data'
def test_subsection_ordering(self):
l = []
l.append(metsrw.SubSection('digiprovMD', self.STUB_MDWRAP))
l.append(metsrw.SubSection('sourceMD', self.STUB_MDWRAP))
l.append(metsrw.SubSection('rightsMD', self.STUB_MDWRAP))
l.append(metsrw.SubSection('techMD', self.STUB_MDWRAP))
l.sort()
assert l[0].subsection == 'techMD'
assert l[1].subsection == 'rightsMD'
assert l[2].subsection == 'sourceMD'
assert l[3].subsection == 'digiprovMD'
def test_parse(self):
"""
It should parse SubSection ID, CREATED & STATUS.
It should create an MDWrap or MDRef child.
"""
# Parses correctly
elem = etree.Element('{http://www.loc.gov/METS/}techMD',
ID='techMD_42',
CREATED='2016-01-02T03:04:05',
STATUS='original')
mdr = etree.SubElement(elem,
'{http://www.loc.gov/METS/}mdRef',
MDTYPE='dummy',
LOCTYPE='URL')
mdr.set('{http://www.w3.org/1999/xlink}href', 'url')
obj = metsrw.SubSection.parse(elem)
assert obj.subsection == 'techMD'
assert obj.status == 'original'
assert obj.created == '2016-01-02T03:04:05'
assert obj.id_string() == 'techMD_42'
assert obj.newer is obj.older is None
assert isinstance(obj.contents, metsrw.MDRef)
def test_parse_bad_subsection_type(self):
""" It should only accept valid subsection tags. """
# Wrong tag name
bad = etree.Element('foo')
with pytest.raises(metsrw.ParseError) as e:
metsrw.SubSection.parse(bad)
assert 'METS namespace' in e.value
def test_parse_bad_child_type(self):
""" It should only accept valid child tags. """
elem = etree.Element('{http://www.loc.gov/METS/}techMD',
ID='techMD_42',
CREATED='2016-01-02T03:04:05',
STATUS='original')
etree.SubElement(elem, 'foo')
with pytest.raises(metsrw.ParseError) as e:
metsrw.SubSection.parse(elem)
assert 'must be mdWrap or mdRef' in e.value
def test_roundtrip(self):
""" It should be able to parse and write out a subsection unchanged. """
elem = etree.Element('{http://www.loc.gov/METS/}techMD',
ID='techMD_42',
CREATED='2016-01-02T03:04:05',
STATUS='original')
mdr = etree.SubElement(elem,
'{http://www.loc.gov/METS/}mdRef',
MDTYPE='dummy',
LOCTYPE='URL')
mdr.set('{http://www.w3.org/1999/xlink}href', 'url')
obj = metsrw.SubSection.parse(elem)
new = obj.serialize(now='2001-02-03T09:10')
assert new.tag == '{http://www.loc.gov/METS/}techMD'
assert new.attrib['ID'] == 'techMD_42'
assert new.attrib['CREATED'] == '2016-01-02T03:04:05'
assert new.attrib['STATUS'] == 'original'
assert len(new.attrib) == 3
def test_roundtrip_bare(self):
""" It should be able to parse and write out a subsection unchanged. """
elem = etree.Element('{http://www.loc.gov/METS/}techMD',
ID='techMD_42')
mdr = etree.SubElement(elem,
'{http://www.loc.gov/METS/}mdRef',
MDTYPE='dummy',
LOCTYPE='URL')
mdr.set('{http://www.w3.org/1999/xlink}href', 'url')
obj = metsrw.SubSection.parse(elem)
new = obj.serialize(now='2001-02-03T09:10')
assert new.tag == '{http://www.loc.gov/METS/}techMD'
assert new.attrib['ID'] == 'techMD_42'
assert len(new.attrib) == 1