def test_genbank(self):
dummy_record = Record(Seq("A" * 100, generic_dna))
clusters = [
create_cluster(3, 20, "prodA"),
create_cluster(25, 41, "prodB")
]
for cluster in clusters:
dummy_record.add_cluster(cluster)
subregion = SubRegion(FeatureLocation(35, 71), "test", 0.7)
dummy_record.add_subregion(subregion)
supercluster = SuperCluster(SuperCluster.kinds.NEIGHBOURING, clusters)
dummy_record.add_supercluster(supercluster)
region = Region(superclusters=[supercluster], subregions=[subregion])
dummy_record.add_region(region)
with NamedTemporaryFile(suffix=".gbk") as output:
region.write_to_genbank(output.name)
bio = list(seqio.parse(output.name))
assert len(bio) == 1
rec = Record.from_biopython(bio[0], taxon="bacteria")
assert len(rec.get_regions()) == 1
new = rec.get_region(0)
assert new.location.start == 3 - region.location.start
assert new.location.end == 71 - region.location.start
assert new.products == region.products
assert new.probabilities == region.probabilities
class TestSuperCluster(unittest.TestCase):
def setUp(self):
self.record = Record(Seq("A" * 100))
clusters = [create_cluster(0, 0, 10, 10)]
for cluster in clusters:
self.record.add_cluster(cluster)
def test_kinds_attachment(self):
assert SuperCluster.kinds == SuperClusterKind
def test_record_linkage(self):
cluster = SuperCluster(SuperCluster.kinds.INTERLEAVED,
self.record.get_clusters())
with self.assertRaisesRegex(ValueError,
"SuperCluster not contained in record"):
cluster.get_supercluster_number()
self.record.add_supercluster(cluster)
assert cluster.get_supercluster_number() == 1
def test_bad_kind(self):
with self.assertRaisesRegex(TypeError, "should be SuperClusterKind"):
SuperCluster("berf", self.record.get_clusters())
def test_no_clusters(self):
with self.assertRaisesRegex(ValueError,
"cannot exist without at least one"):
SuperCluster(SuperCluster.kinds.INTERLEAVED, [])
def test_rules(self):
cluster = SuperCluster(SuperCluster.kinds.INTERLEAVED,
self.record.get_clusters())
assert cluster.detection_rules == [
cluster.detection_rule for cluster in self.record.get_clusters()
]
def test_smiles_and_polymer(self):
cluster = SuperCluster(SuperCluster.kinds.INTERLEAVED,
self.record.get_clusters())
assert cluster.smiles_structure is None
assert cluster.polymer is None
def test_conversion(self):
kind = SuperClusterKind.INTERLEAVED
original = SuperCluster(kind,
self.record.get_clusters(),
smiles="dummy smiles",
polymer="dummy polymer")
self.record.add_supercluster(original)
assert original.products == ["a"]
assert len(original.clusters) == 1
bios = original.to_biopython()
assert len(bios) == 1
bio = bios[0]
assert bio.qualifiers["product"] == ["a"]
assert bio.qualifiers["kind"] == [str(kind)]
assert bio.qualifiers["candidate_cluster_number"] == [
str(original.get_supercluster_number())
]
assert bio.qualifiers["SMILES"] == ["dummy smiles"]
assert bio.qualifiers["polymer"] == ["dummy polymer"]
assert bio.qualifiers["contig_edge"] == ["True"]
regenerated = SuperCluster.from_biopython(bio)
assert isinstance(regenerated, TemporarySuperCluster)
assert regenerated.products == original.products
assert regenerated.location == original.location
assert regenerated.smiles_structure == original.smiles_structure
assert regenerated.polymer == original.polymer
assert regenerated.clusters == [
cluster.get_cluster_number()
for cluster in self.record.get_clusters()
]
assert regenerated.kind == original.kind
real = regenerated.convert_to_real_feature(self.record)
assert isinstance(real, SuperCluster)
assert len(real.clusters) == len(self.record.get_clusters())
for reference, record_cluster in zip(real.clusters,
self.record.get_clusters()):
assert reference is record_cluster
# attempt a conversion with a record missing the cluster
self.record.clear_clusters()
with self.assertRaisesRegex(ValueError,
"Not all referenced clusters are present"):
regenerated.convert_to_real_feature(self.record)