def test_conversion_bad_record(self):
bio = create_module().to_biopython()[0]
with self.assertRaisesRegex(ValueError, "record instance required"):
Module.from_biopython(bio)
with self.assertRaisesRegex(
ValueError, "does not contain domain referenced by module"):
Module.from_biopython(bio, record=DummyRecord())
def test_detailed_biopython_conversion(self):
expected_qualifiers = {
"domains", "locus_tags", "complete", "starter_module",
"final_module", "monomer_pairings"
}
original = create_module(starter=True,
final=True,
complete=True,
iterative=True)
original.add_monomer("from", "to")
bio = original.to_biopython()
assert set(bio[0].qualifiers.keys()).issuperset(expected_qualifiers)
assert bio[0].qualifiers["complete"] is None
assert "incomplete" not in bio[0].qualifiers
record = DummyRecord()
add_module_references_to_record(original, record)
final = Module.from_biopython(bio[0], record=record)
assert final.location == original.location
assert final.is_starter_module()
assert final.is_final_module()
assert final.is_iterative()
assert final.monomers == original.monomers
assert final.is_complete()
assert final.location == original.location
def test_detailed_biopython_conversion(self):
expected_qualifiers = {
"domains", "locus_tags", "complete", "starter_module",
"final_module", "monomer_pairings"
}
original = create_module(starter=True,
final=True,
complete=True,
iterative=True)
original.add_monomer("from", "to")
bio = original.to_biopython()
assert set(bio[0].qualifiers.keys()).issuperset(expected_qualifiers)
assert bio[0].qualifiers["complete"] is None
assert "incomplete" not in bio[0].qualifiers
assert all(domain and " " not in domain
for domain in bio[0].qualifiers["domains"])
# fake an inserted space due to length
first = bio[0].qualifiers["domains"][0]
half = len(first) // 2
bio[0].qualifiers["domains"][0] = first[:half] + " " + first[half:]
record = DummyRecord()
add_module_references_to_record(original, record)
final = Module.from_biopython(bio[0], record=record)
assert final.location == original.location
assert final.is_starter_module()
assert final.is_final_module()
assert final.is_iterative()
assert final.monomers == original.monomers
assert final.is_complete()
assert final.location == original.location
def test_bad_biopython_conversion(self):
record = DummyRecord()
module = create_module()
add_module_references_to_record(module, record)
for removed_key in ["domains", "incomplete"]:
bio = module.to_biopython()[0]
bio.qualifiers.pop(removed_key)
with self.assertRaisesRegex(ValueError,
"missing .* '?%s" % removed_key):
Module.from_biopython(bio, record=record)
bio = module.to_biopython()[0]
bio.qualifiers["type"] = ["not a valid type"]
with self.assertRaisesRegex(ValueError, "unknown module type"):
Module.from_biopython(bio, record=record)
bio = module.to_biopython()[0]
for bad in [
"missing", "has -> some -> extra", "missing ->", "-> missing",
"->"
]:
bio.qualifiers["monomer_pairings"] = [bad]
with self.assertRaisesRegex(ValueError, "invalid monomer pairing"):
Module.from_biopython(bio, record=record)
def test_minimal_biopython_conversion(self):
original = create_module()
bio = original.to_biopython()
assert isinstance(bio, list) and len(bio) == 1
assert bio[0].location == original.location
expected_qualifiers = {"domains", "locus_tags", "incomplete"}
assert set(bio[0].qualifiers.keys()).issuperset(expected_qualifiers)
assert bio[0].qualifiers["incomplete"] is None
assert "complete" not in bio[0].qualifiers
record = DummyRecord()
add_module_references_to_record(original, record)
final = Module.from_biopython(bio[0], record=record)
assert final.location == original.location
assert not final.is_starter_module()
assert not final.is_final_module()
assert not final.is_iterative()
assert not final.monomers
assert not final.is_complete()
assert final.location == original.location