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# Copyright 2006-2014 by Peter Cock. All rights reserved.
# Copyright 2022 by Michiel de Hoon. All rights reserved.
# This code is part of the Biopython distribution and governed by its
# license. Please see the LICENSE file that should have been included
# as part of this package.
"""Tests for Bio.Align.fasta module."""
import unittest
from io import StringIO
from Bio import Align
import numpy
class TestFASTAReadingWriting(unittest.TestCase):
def check_reading_writing(self, path):
alignments = Align.parse(path, "fasta")
stream = StringIO()
n = Align.write(alignments, stream, "fasta")
self.assertEqual(n, 1)
alignments = Align.parse(path, "fasta")
alignment = next(alignments)
stream.seek(0)
saved_alignments = Align.parse(stream, "fasta")
saved_alignment = next(saved_alignments)
with self.assertRaises(StopIteration):
next(saved_alignments)
self.assertEqual(len(alignment), len(saved_alignment))
for i, (sequence, saved_sequence) in enumerate(
zip(alignment.sequences, saved_alignment.sequences)
):
self.assertEqual(sequence.id, saved_sequence.id)
self.assertEqual(sequence.seq, saved_sequence.seq)
self.assertEqual(alignment[i], saved_alignment[i])
def test_clustalw(self):
path = "Clustalw/clustalw.fa"
with open(path) as stream:
alignments = Align.parse(stream, "fasta")
alignment = next(alignments)
with self.assertRaises(StopIteration):
next(alignments)
self.assertEqual(
repr(alignment),
"<Alignment object (2 rows x 601 columns) at 0x%x>" % id(alignment),
)
self.assertEqual(len(alignment), 2)
self.assertEqual(alignment.sequences[0].id, "gi|4959044|gb|AAD34209.1|AF069")
self.assertEqual(alignment.sequences[1].id, "gi|671626|emb|CAA85685.1|")
self.assertEqual(
alignment.sequences[0].seq,
"MENSDSNDKGSDQSAAQRRSQMDRLDREEAFYQFVNNLSEEDYRLMRDNNLLGTPGESTEEELLRRLQQIKEGPPPQSPDENRAGESSDDVTNSDSIIDWLNSVRQTGNTTRSRQRGNQSWRAVSRTNPNSGDFRFSLEINVNRNNGSQTSENESEPSTRRLSVENMESSSQRQMENSASESASARPSRAERNSTEAVTEVPTTRAQRRARSRSPEHRRTRARAERSMSPLQPTSEIPRRAPTLEQSSENEPEGSSRTRHHVTLRQQISGPELLGRGLFAASGSRNPSQGTSSSDTGSNSESSGSGQRPPTIVLDLQVRRVRPGEYRQRDSIASRTRSRSQAPNNTVTYESERGGFRRTFSRSERAGVRTYVSTIRIPIRRILNTGLSETTSVAIQTMLRQIMTGFGELSYFMYSDSDSEPSASVSSRNVERVESRNGRGSSGGGNSSGSSSSSSPSPSSSGESSESSSKMFEGSSEGGSSGPSRKDGRHRAPVTFDESGSLPFFSLAQFFLLNEDDEDQPRGLTKEQIDNLAMRSFGENDALKTCSVCITEYTEGDKLRKLPCSHEFHVHCIDRWLSENSTCPICRRAVLSSGNRESVV",
)
self.assertEqual(
alignment.sequences[1].seq,
"MSPQTETKASVGFKAGVKEYKLTYYTPEYETKDTDILAAFRVTPQPGVPPEEAGAAVAAESSTGTWTTVWTDGLTSLDRYKGRCYHIEPVPGEKDQCICYVAYPLDLFEEGSVTNMFTSIVGNVFGFKALRALRLEDLRIPVAYVKTFQGPPHGIQVERDKLNKYGRPLLGCTIKPKLGLSAKNYGRAVYECLRGGLDFTKDDENVNSQPFMRWRDRFLFCAEAIYKAQAETGEIKGHYLNATAGTCEEMIKRAIFARELGVPIVMHDYLTGGFTANTSLAHYCRDNGLLLHIHRAMHAVIDRQKNHGMHFRVLAKALRLSGGDHIHSGTVVGKLEGERDITLGFVDLLRDDFIEKDRSRGIYFTQDWVSLPGVIPVASGGIHVWHMPALTEIFGDDSVLQFGGGTLGHPWGNAPGAVANRVAVEACVKARNEGRDLAAEGNAIIREACKWSPELAAACEVWKEIKFEFPAMD",
)
self.assertEqual(
alignment[0],
"MENSDSNDKGSDQSAAQRRSQMDRLDREEAFYQFVNNLSEEDYRLMRDNNLLGTPGESTEEELLRRLQQIKEGPPPQSPDENRAGESSDDVTNSDSIIDWLNSVRQTGNTTRSRQRGNQSWRAVSRTNPNSGDFRFSLEINVNRNNGSQTSENESEPSTRRLSVENMESSSQRQMENSASESASARPSRAERNSTEAVTEVPTTRAQRRARSRSPEHRRTRARAERSMSPLQPTSEIPRRAPTLEQSSENEPEGSSRTRHHVTLRQQISGPELLGRGLFAASGSRNPSQGTSSSDTGSNSESSGSGQRPPTIVLDLQVRRVRPGEYRQRDSIASRTRSRSQAPNNTVTYESERGGFRRTFSRSERAGVRTYVSTIRIPIRRILNTGLSETTSVAIQTMLRQIMTGFGELSYFMYSDSDSEPSASVSSRNVERVESRNGRGSSGGGNSSGSSSSSSPSPSSSGESSESSSKMFEGSSEGGSSGPSRKDGRHRAPVTFDESGSLPFFSLAQFFLLNEDDEDQPRGLTKEQIDNLAMRSFGENDALKTCSVCITEYTEGDKLRKLPCSHEFHVHCIDRWLSE-NSTCPICRRAVLSSGNRESVV",
)
self.assertEqual(
alignment[1],
"---------MSPQTETKASVGFKAGVKEYKLTYYTPEYETKDTDILAAFRVTPQPG-----------------VPPEEAGAAVAAESSTGT---------WTTVWTDGLTSLDRYKG-----RCYHIEPVPG-------------------EKDQCICYVAYPLDLFEEGSVTNMFTSIVGNVFGFKALRALRLEDLRIPVAYVKTFQGPPHGIQVERDKLNKYGRPLLGCTIKPKLGLSAKNYGRAVYECLRGGLDFTKDDENVNSQPFMRWRDRFLFCAEAIYKAQAETGEIKGHYLNATAG-----------------------TCEEMIKRAIFARELGVPIVMHDYLTGGFTANTSLAHYCRDNGLLLHIHRAMHAVIDRQKNHGMHFRVLAKALRLSGGDHIHSGTVVGKLEGERDITLGFVDLLRDDFIEKDRSRGIYFTQDWVSLPGVIPVASG-----------------------------GIHVWHMPALTEIFGDDSVLQFGGGTLGHPWGNAPGAVANRVA-----------VEACVKARNEG---RDLAAEGNAIIREACKWSPELAAACEVWKEIKFEFPAMD---",
)
self.assertEqual(
format(alignment, "fasta"),
"""\
>gi|4959044|gb|AAD34209.1|AF069
MENSDSNDKGSDQSAAQRRSQMDRLDREEAFYQFVNNLSEEDYRLMRDNNLLGTPGESTEEELLRRLQQIKEGPPPQSPDENRAGESSDDVTNSDSIIDWLNSVRQTGNTTRSRQRGNQSWRAVSRTNPNSGDFRFSLEINVNRNNGSQTSENESEPSTRRLSVENMESSSQRQMENSASESASARPSRAERNSTEAVTEVPTTRAQRRARSRSPEHRRTRARAERSMSPLQPTSEIPRRAPTLEQSSENEPEGSSRTRHHVTLRQQISGPELLGRGLFAASGSRNPSQGTSSSDTGSNSESSGSGQRPPTIVLDLQVRRVRPGEYRQRDSIASRTRSRSQAPNNTVTYESERGGFRRTFSRSERAGVRTYVSTIRIPIRRILNTGLSETTSVAIQTMLRQIMTGFGELSYFMYSDSDSEPSASVSSRNVERVESRNGRGSSGGGNSSGSSSSSSPSPSSSGESSESSSKMFEGSSEGGSSGPSRKDGRHRAPVTFDESGSLPFFSLAQFFLLNEDDEDQPRGLTKEQIDNLAMRSFGENDALKTCSVCITEYTEGDKLRKLPCSHEFHVHCIDRWLSE-NSTCPICRRAVLSSGNRESVV
>gi|671626|emb|CAA85685.1|
---------MSPQTETKASVGFKAGVKEYKLTYYTPEYETKDTDILAAFRVTPQPG-----------------VPPEEAGAAVAAESSTGT---------WTTVWTDGLTSLDRYKG-----RCYHIEPVPG-------------------EKDQCICYVAYPLDLFEEGSVTNMFTSIVGNVFGFKALRALRLEDLRIPVAYVKTFQGPPHGIQVERDKLNKYGRPLLGCTIKPKLGLSAKNYGRAVYECLRGGLDFTKDDENVNSQPFMRWRDRFLFCAEAIYKAQAETGEIKGHYLNATAG-----------------------TCEEMIKRAIFARELGVPIVMHDYLTGGFTANTSLAHYCRDNGLLLHIHRAMHAVIDRQKNHGMHFRVLAKALRLSGGDHIHSGTVVGKLEGERDITLGFVDLLRDDFIEKDRSRGIYFTQDWVSLPGVIPVASG-----------------------------GIHVWHMPALTEIFGDDSVLQFGGGTLGHPWGNAPGAVANRVA-----------VEACVKARNEG---RDLAAEGNAIIREACKWSPELAAACEVWKEIKFEFPAMD---
""",
)
self.check_reading_writing(path)
def test_msaprobs(self):
path = "Clustalw/msaprobs.fa"
# This example was obtained from
# http://virgil.ruc.dk/kurser/Sekvens/Treedraw.htm
# and converted to aligned FASTA format.
with open(path) as stream:
alignments = Align.parse(stream, "fasta")
alignment = next(alignments)
with self.assertRaises(StopIteration):
next(alignments)
self.assertEqual(
repr(alignment),
"<Alignment object (8 rows x 298 columns) at 0x%x>" % id(alignment),
)
self.assertEqual(len(alignment), 8)
self.assertEqual(alignment.shape, (8, 298))
self.assertEqual(alignment.sequences[0].id, "V_Harveyi_PATH")
self.assertEqual(alignment.sequences[1].id, "B_subtilis_YXEM")
self.assertEqual(alignment.sequences[2].id, "FLIY_ECOLI")
self.assertEqual(alignment.sequences[3].id, "Deinococcus_radiodurans")
self.assertEqual(alignment.sequences[4].id, "B_subtilis_GlnH_homo_YCKK")
self.assertEqual(alignment.sequences[5].id, "YA80_HAEIN")
self.assertEqual(alignment.sequences[6].id, "E_coli_GlnH")
self.assertEqual(alignment.sequences[7].id, "HISJ_E_COLI")
self.assertEqual(
alignment.sequences[0].seq,
"MKNWIKVAVAAIALSAATVQAATEVKVGMSGRYFPFTFVKQDKLQGFEVDMWDEIGKRNDYKIEYVTANFSGLFGLLETGRIDTISNQITMTDARKAKYLFADPYVVDGAQITVRKGNDSIQGVEDLAGKTVAVNLGSNFEQLLRDYDKDGKINIKTYDTGIEHDVALGRADAFIMDRLSALELIKKTGLPLQLAGEPFETIQNAWPFVDNEKGRKLQAEVNKALAEMRADGTVEKISVKWFGADITK",
)
self.assertEqual(
alignment.sequences[1].seq,
"MKMKKWTVLVVAALLAVLSACGNGNSSSKEDDNVLHVGATGQSYPFAYKENGKLTGFDVEVMEAVAKKIDMKLDWKLLEFSGLMGELQTGKLDTISNQVAVTDERKETYNFTKPYAYAGTQIVVKKDNTDIKSVDDLKGKTVAAVLGSNHAKNLESKDPDKKINIKTYETQEGTLKDVAYGRVDAYVNSRTVLIAQIKKTGLPLKLAGDPIVYEQVAFPFAKDDAHDKLRKKVNKALDELRKDGTLKKLSEKYFNEDITVEQKH",
)
self.assertEqual(
alignment.sequences[2].seq,
"MKLAHLGRQALMGVMAVALVAGMSVKSFADEGLLNKVKERGTLLVGLEGTYPPFSFQGDDGKLTGFEVEFAQQLAKHLGVEASLKPTKWDGMLASLDSKRIDVVINQVTISDERKKKYDFSTPYTISGIQALVKKGNEGTIKTADDLKGKKVGVGLGTNYEEWLRQNVQGVDVRTYDDDPTKYQDLRVGRIDAILVDRLAALDLVKKTNDTLAVTGEAFSRQESGVALRKGNEDLLKAVNDAIAEMQKDGTLQALSEKWFGADVTK",
)
self.assertEqual(
alignment.sequences[3].seq,
"MKKSLLSLKLSGLLVPSVLALSLSACSSPSSTLNQGTLKIAMEGTYPPFTSKNEQGELVGFDVDIAKAVAQKLNLKPEFVLTEWSGILAGLQANKYDVIVNQVGITPERQNSIGFSQPYAYSRPEIIVAKNNTFNPQSLADLKGKRVGSTLGSNYEKQLIDTGDIKIVTYPGAPEILADLVAGRIDAAYNDRLVVNYIINDQKLPVRGAGQIGDAAPVGIALKKGNSALKDQIDKALTEMRSDGTFEKISQKWFGQDVGQP",
)
self.assertEqual(
alignment.sequences[4].seq,
"MKKALLALFMVVSIAALAACGAGNDNQSKDNAKDGDLWASIKKKGVLTVGTEGTYEPFTYHDKDTDKLTGYDVEVITEVAKRLGLKVDFKETQWGSMFAGLNSKRFDVVANQVGKTDREDKYDFSDKYTTSRAVVVTKKDNNDIKSEADVKGKTSAQSLTSNYNKLATNAGAKVEGVEGMAQALQMIQQARVDMTYNDKLAVLNYLKTSGNKNVKIAFETGEPQSTYFTFRKGSGEVVDQVNKALKEMKEDGTLSKISKKWFGEDVSK",
)
self.assertEqual(
alignment.sequences[5].seq,
"MKKLLFTTALLTGAIAFSTFSHAGEIADRVEKTKTLLVGTEGTYAPFTFHDKSGKLTGFDVEVIRKVAEKLGLKVEFKETQWDAMYAGLNAKRFDVIANQTNPSPERLKKYSFTTPYNYSGGVIVTKSSDNSIKSFEDLKGRKSAQSATSNWGKDAKAAGAQILVVDGLAQSLELIKQGRAEATINDKLAVLDYFKQHPNSGLKIAYDRGDKTPTAFAFLQGEDALITKFNQVLEALRQDGTLKQISIEWFGYDITQ",
)
self.assertEqual(
alignment.sequences[6].seq,
"MKSVLKVSLAALTLAFAVSSHAADKKLVVATDTAFVPFEFKQGDKYVGFDVDLWAAIAKELKLDYELKPMDFSGIIPALQTKNVDLALAGITITDERKKAIDFSDGYYKSGLLVMVKANNNDVKSVKDLDGKVVAVKSGTGSVDYAKANIKTKDLRQFPNIDNAYMELGTNRADAVLHDTPNILYFIKTAGNGQFKAVGDSLEAQQYGIAFPKGSDELRDKVNGALKTLRENGTYNEIYKKWFGTEPK",
)
self.assertEqual(
alignment.sequences[7].seq,
"MKKLVLSLSLVLAFSSATAAFAAIPQNIRIGTDPTYAPFESKNSQGELVGFDIDLAKELCKRINTQCTFVENPLDALIPSLKAKKIDAIMSSLSITEKRQQEIAFTDKLYAADSRLVVAKNSDIQPTVESLKGKRVGVLQGTTQETFGNEHWAPKGIEIVSYQGQDNIYSDLTAGRIDAAFQDEVAASEGFLKQPVGKDYKFGGPSVKDEKLFGVGTGMGLRKEDNELREALNKAFAEMRADGTYEKLAKKYFDFDVYGG",
)
self.assertEqual(
alignment[0],
"MKNW--------IKV----AVAAI-A--LSAA-------------------TVQAATEVKVGMSGRYFPFTFVK--QDKLQGFEVDMWDEIGKRNDYKIEYVTANFSGLFGLLETGRIDTISNQITMTDARKAKYLFADPYVVDGAQITVRK-GNDSIQGVEDLAGKTVAVNLGSNFEQLLRDYDKDGKINIKTYDT--GIEHDVALGRADAFIMDRLSALE-LIKKTG-LPLQLAGEPFE-----TIQNAWPFVDNEKGRKLQAEVNKALAEMRADGTVEKISVKWFGADITK----",
)
self.assertEqual(
alignment[1],
"MKMKKW------TVL----VVAALLA-VLSACGN------------G-NSSSKEDDNVLHVGATGQSYPFAYKE--NGKLTGFDVEVMEAVAKKIDMKLDWKLLEFSGLMGELQTGKLDTISNQVAVTDERKETYNFTKPYAYAGTQIVVKK-DNTDIKSVDDLKGKTVAAVLGSNHAKNLESKDPDKKINIKTYETQEGTLKDVAYGRVDAYVNSRTVLIA-QIKKTG-LPLKLAGDPIV-----YEQVAFPFAKDDAHDKLRKKVNKALDELRKDGTLKKLSEKYFNEDITVEQKH",
)
self.assertEqual(
alignment[2],
"MKLAHLGRQALMGVM----AVALVAG--MSVKSF---------ADEG-LLNKVKERGTLLVGLEGTYPPFSFQGD-DGKLTGFEVEFAQQLAKHLGVEASLKPTKWDGMLASLDSKRIDVVINQVTISDERKKKYDFSTPYTISGIQALVKKGNEGTIKTADDLKGKKVGVGLGTNYEEWLRQN--VQGVDVRTYDDDPTKYQDLRVGRIDAILVDRLAALD-LVKKTN-DTLAVTGEAFS-----RQESGVALRK--GNEDLLKAVNDAIAEMQKDGTLQALSEKWFGADVTK----",
)
self.assertEqual(
alignment[3],
"MKKSLL------SLKLSGLLVPSVLALSLSACSS---------------PSSTLNQGTLKIAMEGTYPPFTSKNE-QGELVGFDVDIAKAVAQKLNLKPEFVLTEWSGILAGLQANKYDVIVNQVGITPERQNSIGFSQPYAYSRPEIIVAKNNTFNPQSLADLKGKRVGSTLGSNYEKQLI-D--TGDIKIVTYPGAPEILADLVAGRIDAAYNDRLVVNY-IIND-QKLPVRGAGQIGD-----AAPVGIALKK--GNSALKDQIDKALTEMRSDGTFEKISQKWFGQDVGQ---P",
)
self.assertEqual(
alignment[4],
"MKKALL------ALF----MVVSIAA--LAACGAGNDNQSKDNAKDGDLWASIKKKGVLTVGTEGTYEPFTYHDKDTDKLTGYDVEVITEVAKRLGLKVDFKETQWGSMFAGLNSKRFDVVANQVGKTD-REDKYDFSDKYTTSRAVVVTKK-DNNDIKSEADVKGKTSAQSLTSNYNKLAT-N--A-GAKVEGVEGMAQALQMIQQARVDMTYNDKLAVLN-YLKTSGNKNVKIAFETGE-----PQSTYFTFRK--GSGEVVDQVNKALKEMKEDGTLSKISKKWFGEDVSK----",
)
self.assertEqual(
alignment[5],
"MKKLLF------TTA----LLTGAIA--FSTFS-----------HAGEIADRVEKTKTLLVGTEGTYAPFTFHDK-SGKLTGFDVEVIRKVAEKLGLKVEFKETQWDAMYAGLNAKRFDVIANQTNPSPERLKKYSFTTPYNYSGGVIVTKS-SDNSIKSFEDLKGRKSAQSATSNWGKDAK-A--A-GAQILVVDGLAQSLELIKQGRAEATINDKLAVLD-YFKQHPNSGLKIAYDRGD-----KTPTAFAFLQ--GEDALITKFNQVLEALRQDGTLKQISIEWFGYDITQ----",
)
self.assertEqual(
alignment[6],
"MKSVL-------KVS----LAALTLA--FAVSSH---------A----------ADKKLVVATDTAFVPFEFKQ--GDKYVGFDVDLWAAIAKELKLDYELKPMDFSGIIPALQTKNVDLALAGITITDERKKAIDFSDGYYKSGLLVMVKAN-NNDVKSVKDLDGKVVAVKSGTGSVDYAKAN--IKTKDLRQFPNIDNAYMELGTNRADAVLHDTPNILY-FIKTAGNGQFKAVGDSLE-----AQQYGIAFPK--GSDELRDKVNGALKTLRENGTYNEIYKKWFGTEP-K----",
)
self.assertEqual(
alignment[7],
"MKKLVL------SLS----LV---LA--FSSATA---------------A-FAAIPQNIRIGTDPTYAPFESKNS-QGELVGFDIDLAKELCKRINTQCTFVENPLDALIPSLKAKKIDAIMSSLSITEKRQQEIAFTDKLYAADSRLVVAK-NSDIQPTVESLKGKRVGVLQGTTQETFGNEHWAPKGIEIVSYQGQDNIYSDLTAGRIDAAFQDEVAASEGFLKQPVGKDYKFGGPSVKDEKLFGVGTGMGLRK--EDNELREALNKAFAEMRADGTYEKLAKKYFDFDVYG---G",
)
self.assertEqual(
format(alignment, "fasta"),
"""\
>V_Harveyi_PATH
MKNW--------IKV----AVAAI-A--LSAA-------------------TVQAATEVKVGMSGRYFPFTFVK--QDKLQGFEVDMWDEIGKRNDYKIEYVTANFSGLFGLLETGRIDTISNQITMTDARKAKYLFADPYVVDGAQITVRK-GNDSIQGVEDLAGKTVAVNLGSNFEQLLRDYDKDGKINIKTYDT--GIEHDVALGRADAFIMDRLSALE-LIKKTG-LPLQLAGEPFE-----TIQNAWPFVDNEKGRKLQAEVNKALAEMRADGTVEKISVKWFGADITK----
>B_subtilis_YXEM
MKMKKW------TVL----VVAALLA-VLSACGN------------G-NSSSKEDDNVLHVGATGQSYPFAYKE--NGKLTGFDVEVMEAVAKKIDMKLDWKLLEFSGLMGELQTGKLDTISNQVAVTDERKETYNFTKPYAYAGTQIVVKK-DNTDIKSVDDLKGKTVAAVLGSNHAKNLESKDPDKKINIKTYETQEGTLKDVAYGRVDAYVNSRTVLIA-QIKKTG-LPLKLAGDPIV-----YEQVAFPFAKDDAHDKLRKKVNKALDELRKDGTLKKLSEKYFNEDITVEQKH
>FLIY_ECOLI
MKLAHLGRQALMGVM----AVALVAG--MSVKSF---------ADEG-LLNKVKERGTLLVGLEGTYPPFSFQGD-DGKLTGFEVEFAQQLAKHLGVEASLKPTKWDGMLASLDSKRIDVVINQVTISDERKKKYDFSTPYTISGIQALVKKGNEGTIKTADDLKGKKVGVGLGTNYEEWLRQN--VQGVDVRTYDDDPTKYQDLRVGRIDAILVDRLAALD-LVKKTN-DTLAVTGEAFS-----RQESGVALRK--GNEDLLKAVNDAIAEMQKDGTLQALSEKWFGADVTK----
>Deinococcus_radiodurans
MKKSLL------SLKLSGLLVPSVLALSLSACSS---------------PSSTLNQGTLKIAMEGTYPPFTSKNE-QGELVGFDVDIAKAVAQKLNLKPEFVLTEWSGILAGLQANKYDVIVNQVGITPERQNSIGFSQPYAYSRPEIIVAKNNTFNPQSLADLKGKRVGSTLGSNYEKQLI-D--TGDIKIVTYPGAPEILADLVAGRIDAAYNDRLVVNY-IIND-QKLPVRGAGQIGD-----AAPVGIALKK--GNSALKDQIDKALTEMRSDGTFEKISQKWFGQDVGQ---P
>B_subtilis_GlnH_homo_YCKK
MKKALL------ALF----MVVSIAA--LAACGAGNDNQSKDNAKDGDLWASIKKKGVLTVGTEGTYEPFTYHDKDTDKLTGYDVEVITEVAKRLGLKVDFKETQWGSMFAGLNSKRFDVVANQVGKTD-REDKYDFSDKYTTSRAVVVTKK-DNNDIKSEADVKGKTSAQSLTSNYNKLAT-N--A-GAKVEGVEGMAQALQMIQQARVDMTYNDKLAVLN-YLKTSGNKNVKIAFETGE-----PQSTYFTFRK--GSGEVVDQVNKALKEMKEDGTLSKISKKWFGEDVSK----
>YA80_HAEIN
MKKLLF------TTA----LLTGAIA--FSTFS-----------HAGEIADRVEKTKTLLVGTEGTYAPFTFHDK-SGKLTGFDVEVIRKVAEKLGLKVEFKETQWDAMYAGLNAKRFDVIANQTNPSPERLKKYSFTTPYNYSGGVIVTKS-SDNSIKSFEDLKGRKSAQSATSNWGKDAK-A--A-GAQILVVDGLAQSLELIKQGRAEATINDKLAVLD-YFKQHPNSGLKIAYDRGD-----KTPTAFAFLQ--GEDALITKFNQVLEALRQDGTLKQISIEWFGYDITQ----
>E_coli_GlnH
MKSVL-------KVS----LAALTLA--FAVSSH---------A----------ADKKLVVATDTAFVPFEFKQ--GDKYVGFDVDLWAAIAKELKLDYELKPMDFSGIIPALQTKNVDLALAGITITDERKKAIDFSDGYYKSGLLVMVKAN-NNDVKSVKDLDGKVVAVKSGTGSVDYAKAN--IKTKDLRQFPNIDNAYMELGTNRADAVLHDTPNILY-FIKTAGNGQFKAVGDSLE-----AQQYGIAFPK--GSDELRDKVNGALKTLRENGTYNEIYKKWFGTEP-K----
>HISJ_E_COLI
MKKLVL------SLS----LV---LA--FSSATA---------------A-FAAIPQNIRIGTDPTYAPFESKNS-QGELVGFDIDLAKELCKRINTQCTFVENPLDALIPSLKAKKIDAIMSSLSITEKRQQEIAFTDKLYAADSRLVVAK-NSDIQPTVESLKGKRVGVLQGTTQETFGNEHWAPKGIEIVSYQGQDNIYSDLTAGRIDAAFQDEVAASEGFLKQPVGKDYKFGGPSVKDEKLFGVGTGMGLRK--EDNELREALNKAFAEMRADGTYEKLAKKYFDFDVYG---G
""",
)
self.check_reading_writing(path)
def test_muscle(self):
path = "Clustalw/muscle.fa"
with open(path) as stream:
alignments = Align.parse(stream, "fasta")
alignment = next(alignments)
with self.assertRaises(StopIteration):
next(alignments)
self.assertEqual(
repr(alignment),
"<Alignment object (3 rows x 687 columns) at 0x%x>" % id(alignment),
)
self.assertEqual(len(alignment), 3)
self.assertEqual(alignment.sequences[0].id, "Test1seq")
self.assertEqual(alignment.sequences[1].id, "AT3G20900.1-SEQ")
self.assertEqual(alignment.sequences[2].id, "AT3G20900.1-CDS")
self.assertEqual(
alignment.sequences[0].seq,
"AGTTACAATAACTGACGAAGCTAAGTAGGCTACTAATTAACGTCATCAACCTAATACATAGCACTTAGAAAAAAGTGAAGTAAGAAAATATAAAATAATAAAAGGGTGGGTTATCAATTGATAGTGTAAATCATCGTATTCCGGTGATATACCCTACCACAAAAACTCAAACCGACTTGATTCAAATCATCTCAATAAATTAGCGCCAAAATAATGAAAAAAATAATAACAAACAAAAACAAACCAAAATAAGAAAAAACATTACGCAAAACATAATAATTTACTCTTCGTTATTGTATTAACAAATCAAAGAGCTGAATTTTGATCACCTGCTAATACTACTTTCTGTATTGATCCTATATCAACGTAAACAAAGATACTAATAATTAACTAAAAGTACGTTCATCGATCGTGTTCGTTGACGAAGAAGAGCTCTATCTCCGGCGGAGCAAAGAAAACGATCTGTCTCCGTCGTAACACACGGTCGCTAGAGAAACTTTGCTTCTTCGGCGCCGGTGGACACGTCAGCATCTCCGGTATCCTAGACTTCTTGGCTTTCGGGGTACAACAACCGCGTGGTGACGTCAGCACCGCTGCTGGGGATGGAGAGGGAACAGAGTT",
)
self.assertEqual(
alignment.sequences[1].seq,
"ATGAACAAAGTAGCGAGGAAGAACAAAACATCAGGTGAACAAAAAAAAAACTCAATCCACATCAAAGTTACAATAACTGACGAAGCTAAGTAGGCTAGAAATTAAAGTCATCAACCTAATACATAGCACTTAGAAAAAAGTGAAGCAAGAAAATATAAAATAATAAAAGGGTGGGTTATCAATTGATAGTGTAAATCATAGTTGATTTTTGATATACCCTACCACAAAAACTCAAACCGACTTGATTCAAATCATCTCAAAAAACAAGCGCCAAAATAATGAAAAAAATAATAACAAAAACAAACAAACCAAAATAAGAAAAAACATTACGCAAAACATAATAATTTACTCTTCGTTATTGTATTAACAAATCAAAGAGATGAATTTTGATCACCTGCTAATACTACTTTCTGTATTGATCCTATATCAAAAAAAAAAAAGATACTAATAATTAACTAAAAGTACGTTCATCGATCGTGTGCGTTGACGAAGAAGAGCTCTATCTCCGGCGGAGCAAAGAAAACGATCTGTCTCCGTCGTAACACACAGTTTTTCGAGACCCTTTGCTTCTTCGGCGCCGGTGGACACGTCAGCATCTCCGGTATCCTAGACTTCTTGGCTTTCGGGGTACAACAACCGCCTGGTGACGTCAGCACCGCTGCTGGGGATGGAGAGGGAACAGAGTAG",
)
self.assertEqual(
alignment.sequences[2].seq,
"ATGAACAAAGTAGCGAGGAAGAACAAAACATCAGCAAAGAAAACGATCTGTCTCCGTCGTAACACACAGTTTTTCGAGACCCTTTGCTTCTTCGGCGCCGGTGGACACGTCAGCATCTCCGGTATCCTAGACTTCTTGGCTTTCGGGGTACAACAACCGCCTGGTGACGTCAGCACCGCTGCTGGGGATGGAGAGGGAACAGAGTAG",
)
self.assertEqual(
alignment[0],
"-----------------------------------------------------------------AGTTACAATAACTGACGAAGCTAAGTAGGCTACTAATTAACGTCATCAACCTAATACATAGCACTTAGAAAAAAGTGAAGTAAGAAAATATAAAATAATAAAAGGGTGGGTTATCAATTGATAGTGTAAATCATCGTATTCCGGTGATATACCCTACCACAAAAACTCAAACCGACTTGATTCAAATCATCTCAATAAATTAGCGCCAAAATAATGAAAAAAATAATAACAAACAAAAACAAACCAAAATAAGAAAAAACATTACGCAAAACATAATAATTTACTCTTCGTTATTGTATTAACAAATCAAAGAGCTGAATTTTGATCACCTGCTAATACTACTTTCTGTATTGATCCTATATCAACGTAAACAAAGATACTAATAATTAACTAAAAGTACGTTCATCGATCGTGTTCGTTGACGAAGAAGAGCTCTATCTCCGGCGGAGCAAAGAAAACGATCTGTCTCCGTCGTAACACACGGTCGCTAGAGAAACTTTGCTTCTTCGGCGCCGGTGGACACGTCAGCATCTCCGGTATCCTAGACTTCTTGGCTTTCGGGGTACAACAACCGCGTGGTGACGTCAGCACCGCTGCTGGGGATGGAGAGGGAACAGAGTT-",
)
self.assertEqual(
alignment[1],
"ATGAACAAAGTAGCGAGGAAGAACAAAACATCAGGTGAACAAAAAAAAAACTCAATCCACATCAAAGTTACAATAACTGACGAAGCTAAGTAGGCTAGAAATTAAAGTCATCAACCTAATACATAGCACTTAGAAAAAAGTGAAGCAAGAAAATATAAAATAATAAAAGGGTGGGTTATCAATTGATAGTGTAAATCATAGTTGATTTTTGATATACCCTACCACAAAAACTCAAACCGACTTGATTCAAATCATCTCAAAAAACAAGCGCCAAAATAATGAAAAAAATAATAACAAAAACAAACAAACCAAAATAAGAAAAAACATTACGCAAAACATAATAATTTACTCTTCGTTATTGTATTAACAAATCAAAGAGATGAATTTTGATCACCTGCTAATACTACTTTCTGTATTGATCCTATATCAAAAAAAAAAAAGATACTAATAATTAACTAAAAGTACGTTCATCGATCGTGTGCGTTGACGAAGAAGAGCTCTATCTCCGGCGGAGCAAAGAAAACGATCTGTCTCCGTCGTAACACACAGTTTTTCGAGACCCTTTGCTTCTTCGGCGCCGGTGGACACGTCAGCATCTCCGGTATCCTAGACTTCTTGGCTTTCGGGGTACAACAACCGCCTGGTGACGTCAGCACCGCTGCTGGGGATGGAGAGGGAACAGAGTAG",
)
self.assertEqual(
alignment[2],
"--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ATGAACAAAGTAGCGAGGAAGAA------------------------------CAAAACATC----------------------------------------------------------------------------------------------------------------------------------------------------------------------------AGCAAAGAAAACGATCTGTCTCCGTCGTAACACACAGTTTTTCGAGACCCTTTGCTTCTTCGGCGCCGGTGGACACGTCAGCATCTCCGGTATCCTAGACTTCTTGGCTTTCGGGGTACAACAACCGCCTGGTGACGTCAGCACCGCTGCTGGGGATGGAGAGGGAACAGAGTAG",
)
self.assertEqual(
format(alignment, "fasta"),
"""\
>Test1seq
-----------------------------------------------------------------AGTTACAATAACTGACGAAGCTAAGTAGGCTACTAATTAACGTCATCAACCTAATACATAGCACTTAGAAAAAAGTGAAGTAAGAAAATATAAAATAATAAAAGGGTGGGTTATCAATTGATAGTGTAAATCATCGTATTCCGGTGATATACCCTACCACAAAAACTCAAACCGACTTGATTCAAATCATCTCAATAAATTAGCGCCAAAATAATGAAAAAAATAATAACAAACAAAAACAAACCAAAATAAGAAAAAACATTACGCAAAACATAATAATTTACTCTTCGTTATTGTATTAACAAATCAAAGAGCTGAATTTTGATCACCTGCTAATACTACTTTCTGTATTGATCCTATATCAACGTAAACAAAGATACTAATAATTAACTAAAAGTACGTTCATCGATCGTGTTCGTTGACGAAGAAGAGCTCTATCTCCGGCGGAGCAAAGAAAACGATCTGTCTCCGTCGTAACACACGGTCGCTAGAGAAACTTTGCTTCTTCGGCGCCGGTGGACACGTCAGCATCTCCGGTATCCTAGACTTCTTGGCTTTCGGGGTACAACAACCGCGTGGTGACGTCAGCACCGCTGCTGGGGATGGAGAGGGAACAGAGTT-
>AT3G20900.1-SEQ
ATGAACAAAGTAGCGAGGAAGAACAAAACATCAGGTGAACAAAAAAAAAACTCAATCCACATCAAAGTTACAATAACTGACGAAGCTAAGTAGGCTAGAAATTAAAGTCATCAACCTAATACATAGCACTTAGAAAAAAGTGAAGCAAGAAAATATAAAATAATAAAAGGGTGGGTTATCAATTGATAGTGTAAATCATAGTTGATTTTTGATATACCCTACCACAAAAACTCAAACCGACTTGATTCAAATCATCTCAAAAAACAAGCGCCAAAATAATGAAAAAAATAATAACAAAAACAAACAAACCAAAATAAGAAAAAACATTACGCAAAACATAATAATTTACTCTTCGTTATTGTATTAACAAATCAAAGAGATGAATTTTGATCACCTGCTAATACTACTTTCTGTATTGATCCTATATCAAAAAAAAAAAAGATACTAATAATTAACTAAAAGTACGTTCATCGATCGTGTGCGTTGACGAAGAAGAGCTCTATCTCCGGCGGAGCAAAGAAAACGATCTGTCTCCGTCGTAACACACAGTTTTTCGAGACCCTTTGCTTCTTCGGCGCCGGTGGACACGTCAGCATCTCCGGTATCCTAGACTTCTTGGCTTTCGGGGTACAACAACCGCCTGGTGACGTCAGCACCGCTGCTGGGGATGGAGAGGGAACAGAGTAG
>AT3G20900.1-CDS
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ATGAACAAAGTAGCGAGGAAGAA------------------------------CAAAACATC----------------------------------------------------------------------------------------------------------------------------------------------------------------------------AGCAAAGAAAACGATCTGTCTCCGTCGTAACACACAGTTTTTCGAGACCCTTTGCTTCTTCGGCGCCGGTGGACACGTCAGCATCTCCGGTATCCTAGACTTCTTGGCTTTCGGGGTACAACAACCGCCTGGTGACGTCAGCACCGCTGCTGGGGATGGAGAGGGAACAGAGTAG
""",
)
self.check_reading_writing(path)
def test_kalign(self):
path = "Clustalw/kalign.fa"
with open(path) as stream:
alignments = Align.parse(stream, "fasta")
alignment = next(alignments)
with self.assertRaises(StopIteration):
next(alignments)
self.assertTrue(
numpy.array_equal(
numpy.array(alignment, "U"),
# fmt: off
# flake8: noqa
numpy.array([['G', 'C', 'T', 'G', 'G', 'G', 'G', 'A', 'T', 'G', 'G', 'A', 'G',
'A', 'G', 'G', 'G', 'A', 'A', 'C', 'A', 'G', 'A', 'G', 'T', '-',
'T'],
['G', 'C', 'T', 'G', 'G', 'G', 'G', 'A', 'T', 'G', 'G', 'A', 'G',
'A', 'G', 'G', 'G', 'A', 'A', 'C', 'A', 'G', 'A', 'G', 'T', 'A',
'G']], dtype='U')
# fmt: on
)
)
self.assertEqual(
repr(alignment),
"<Alignment object (2 rows x 27 columns) at 0x%x>" % id(alignment),
)
self.assertEqual(len(alignment), 2)
self.assertEqual(alignment.sequences[0].id, "Test1seq")
self.assertEqual(alignment.sequences[1].id, "AT3G20900")
self.assertEqual(alignment.sequences[0].seq, "GCTGGGGATGGAGAGGGAACAGAGTT")
self.assertEqual(alignment.sequences[1].seq, "GCTGGGGATGGAGAGGGAACAGAGTAG")
self.assertEqual(alignment[0], "GCTGGGGATGGAGAGGGAACAGAGT-T")
self.assertEqual(alignment[1], "GCTGGGGATGGAGAGGGAACAGAGTAG")
self.assertEqual(
format(alignment, "fasta"),
"""\
>Test1seq
GCTGGGGATGGAGAGGGAACAGAGT-T
>AT3G20900
GCTGGGGATGGAGAGGGAACAGAGTAG
""",
)
self.check_reading_writing(path)
def test_probcons(self):
path = "Clustalw/probcons.fa"
# example taken from the PROBCONS documentation,
# and converted to aligned FASTA format.
with open(path) as stream:
alignments = Align.parse(stream, "fasta")
alignment = next(alignments)
with self.assertRaises(StopIteration):
next(alignments)
self.assertTrue(
numpy.array_equal(
numpy.array(alignment, "U"),
# fmt: off
# flake8: noqa
numpy.array([['D', '-', 'V', 'L', 'L', 'G', 'A', 'N', 'G', 'G', 'V', 'L', 'V',
'F', 'E', 'P', 'N', 'D', 'F', 'S', 'V', 'K', 'A', 'G', 'E', 'T',
'I', 'T', 'F', 'K', 'N', 'N', 'A', 'G', 'Y', 'P', 'H', 'N', 'V',
'V', 'F', 'D', 'E', 'D', 'A', 'V', 'P', 'S', 'G', '-', 'V', 'D',
'-', 'V', 'S', 'K', 'I', 'S', 'Q', 'E', 'E', 'Y', 'L', 'T', 'A',
'P', 'G', 'E', 'T', 'F', 'S', 'V', 'T', 'L', 'T', 'V', '-', '-',
'-', 'P', 'G', 'T', 'Y', 'G', 'F', 'Y', 'C', 'E', 'P', 'H', 'A',
'G', 'A', 'G', 'M', 'V', 'G', 'K', 'V', 'T', 'V'],
['-', '-', 'V', 'K', 'L', 'G', 'A', 'D', 'S', 'G', 'A', 'L', 'E',
'F', 'V', 'P', 'K', 'T', 'L', 'T', 'I', 'K', 'S', 'G', 'E', 'T',
'V', 'N', 'F', 'V', 'N', 'N', 'A', 'G', 'F', 'P', 'H', 'N', 'I',
'V', 'F', 'D', 'E', 'D', 'A', 'I', 'P', 'S', 'G', '-', 'V', 'N',
'-', 'A', 'D', 'A', 'I', 'S', 'R', 'D', 'D', 'Y', 'L', 'N', 'A',
'P', 'G', 'E', 'T', 'Y', 'S', 'V', 'K', 'L', 'T', 'A', '-', '-',
'-', 'A', 'G', 'E', 'Y', 'G', 'Y', 'Y', 'C', 'E', 'P', 'H', 'Q',
'G', 'A', 'G', 'M', 'V', 'G', 'K', 'I', 'I', 'V'],
['-', '-', 'V', 'K', 'L', 'G', 'S', 'D', 'K', 'G', 'L', 'L', 'V',
'F', 'E', 'P', 'A', 'K', 'L', 'T', 'I', 'K', 'P', 'G', 'D', 'T',
'V', 'E', 'F', 'L', 'N', 'N', 'K', 'V', 'P', 'P', 'H', 'N', 'V',
'V', 'F', 'D', 'A', 'A', 'L', 'N', 'P', 'A', 'K', 'S', 'A', 'D',
'L', 'A', 'K', 'S', 'L', 'S', 'H', 'K', 'Q', 'L', 'L', 'M', 'S',
'P', 'G', 'Q', 'S', 'T', 'S', 'T', 'T', 'F', 'P', 'A', 'D', 'A',
'P', 'A', 'G', 'E', 'Y', 'T', 'F', 'Y', 'C', 'E', 'P', 'H', 'R',
'G', 'A', 'G', 'M', 'V', 'G', 'K', 'I', 'T', 'V'],
['V', 'Q', 'I', 'K', 'M', 'G', 'T', 'D', 'K', 'Y', 'A', 'P', 'L',
'Y', 'E', 'P', 'K', 'A', 'L', 'S', 'I', 'S', 'A', 'G', 'D', 'T',
'V', 'E', 'F', 'V', 'M', 'N', 'K', 'V', 'G', 'P', 'H', 'N', 'V',
'I', 'F', 'D', 'K', '-', '-', 'V', 'P', 'A', 'G', '-', 'E', 'S',
'-', 'A', 'P', 'A', 'L', 'S', 'N', 'T', 'K', 'L', 'R', 'I', 'A',
'P', 'G', 'S', 'F', 'Y', 'S', 'V', 'T', 'L', 'G', 'T', '-', '-',
'-', 'P', 'G', 'T', 'Y', 'S', 'F', 'Y', 'C', 'T', 'P', 'H', 'R',
'G', 'A', 'G', 'M', 'V', 'G', 'T', 'I', 'T', 'V'],
['V', 'H', 'M', 'L', 'N', 'K', 'G', 'K', 'D', 'G', 'A', 'M', 'V',
'F', 'E', 'P', 'A', 'S', 'L', 'K', 'V', 'A', 'P', 'G', 'D', 'T',
'V', 'T', 'F', 'I', 'P', 'T', 'D', 'K', '-', 'G', 'H', 'N', 'V',
'E', 'T', 'I', 'K', 'G', 'M', 'I', 'P', 'D', 'G', '-', 'A', 'E',
'-', 'A', '-', '-', '-', '-', '-', '-', '-', 'F', 'K', 'S', 'K',
'I', 'N', 'E', 'N', 'Y', 'K', 'V', 'T', 'F', 'T', 'A', '-', '-',
'-', 'P', 'G', 'V', 'Y', 'G', 'V', 'K', 'C', 'T', 'P', 'H', 'Y',
'G', 'M', 'G', 'M', 'V', 'G', 'V', 'V', 'E', 'V']], dtype='U')
# fmt: on
)
)
self.assertEqual(
repr(alignment),
"<Alignment object (5 rows x 101 columns) at 0x%x>" % id(alignment),
)
self.assertEqual(len(alignment), 5)
self.assertEqual(alignment.sequences[0].id, "plas_horvu")
self.assertEqual(alignment.sequences[1].id, "plas_chlre")
self.assertEqual(alignment.sequences[2].id, "plas_anava")
self.assertEqual(alignment.sequences[3].id, "plas_proho")
self.assertEqual(alignment.sequences[4].id, "azup_achcy")
self.assertEqual(
alignment.sequences[0].seq,
"DVLLGANGGVLVFEPNDFSVKAGETITFKNNAGYPHNVVFDEDAVPSGVDVSKISQEEYLTAPGETFSVTLTVPGTYGFYCEPHAGAGMVGKVTV",
)
self.assertEqual(
alignment.sequences[1].seq,
"VKLGADSGALEFVPKTLTIKSGETVNFVNNAGFPHNIVFDEDAIPSGVNADAISRDDYLNAPGETYSVKLTAAGEYGYYCEPHQGAGMVGKIIV",
)
self.assertEqual(
alignment.sequences[2].seq,
"VKLGSDKGLLVFEPAKLTIKPGDTVEFLNNKVPPHNVVFDAALNPAKSADLAKSLSHKQLLMSPGQSTSTTFPADAPAGEYTFYCEPHRGAGMVGKITV",
)
self.assertEqual(
alignment.sequences[3].seq,
"VQIKMGTDKYAPLYEPKALSISAGDTVEFVMNKVGPHNVIFDKVPAGESAPALSNTKLRIAPGSFYSVTLGTPGTYSFYCTPHRGAGMVGTITV",
)
self.assertEqual(
alignment.sequences[4].seq,
"VHMLNKGKDGAMVFEPASLKVAPGDTVTFIPTDKGHNVETIKGMIPDGAEAFKSKINENYKVTFTAPGVYGVKCTPHYGMGMVGVVEV",
)
self.assertEqual(
alignment[0],
"D-VLLGANGGVLVFEPNDFSVKAGETITFKNNAGYPHNVVFDEDAVPSG-VD-VSKISQEEYLTAPGETFSVTLTV---PGTYGFYCEPHAGAGMVGKVTV",
)
self.assertEqual(
alignment[1],
"--VKLGADSGALEFVPKTLTIKSGETVNFVNNAGFPHNIVFDEDAIPSG-VN-ADAISRDDYLNAPGETYSVKLTA---AGEYGYYCEPHQGAGMVGKIIV",
)
self.assertEqual(
alignment[2],
"--VKLGSDKGLLVFEPAKLTIKPGDTVEFLNNKVPPHNVVFDAALNPAKSADLAKSLSHKQLLMSPGQSTSTTFPADAPAGEYTFYCEPHRGAGMVGKITV",
)
self.assertEqual(
alignment[3],
"VQIKMGTDKYAPLYEPKALSISAGDTVEFVMNKVGPHNVIFDK--VPAG-ES-APALSNTKLRIAPGSFYSVTLGT---PGTYSFYCTPHRGAGMVGTITV",
)
self.assertEqual(
alignment[4],
"VHMLNKGKDGAMVFEPASLKVAPGDTVTFIPTDK-GHNVETIKGMIPDG-AE-A-------FKSKINENYKVTFTA---PGVYGVKCTPHYGMGMVGVVEV",
)
self.assertEqual(
format(alignment, "fasta"),
"""\
>plas_horvu
D-VLLGANGGVLVFEPNDFSVKAGETITFKNNAGYPHNVVFDEDAVPSG-VD-VSKISQEEYLTAPGETFSVTLTV---PGTYGFYCEPHAGAGMVGKVTV
>plas_chlre
--VKLGADSGALEFVPKTLTIKSGETVNFVNNAGFPHNIVFDEDAIPSG-VN-ADAISRDDYLNAPGETYSVKLTA---AGEYGYYCEPHQGAGMVGKIIV
>plas_anava
--VKLGSDKGLLVFEPAKLTIKPGDTVEFLNNKVPPHNVVFDAALNPAKSADLAKSLSHKQLLMSPGQSTSTTFPADAPAGEYTFYCEPHRGAGMVGKITV
>plas_proho
VQIKMGTDKYAPLYEPKALSISAGDTVEFVMNKVGPHNVIFDK--VPAG-ES-APALSNTKLRIAPGSFYSVTLGT---PGTYSFYCTPHRGAGMVGTITV
>azup_achcy
VHMLNKGKDGAMVFEPASLKVAPGDTVTFIPTDK-GHNVETIKGMIPDG-AE-A-------FKSKINENYKVTFTA---PGVYGVKCTPHYGMGMVGVVEV
""",
)
self.check_reading_writing(path)
def test_empty(self):
"""Checking empty file."""
stream = StringIO()
alignments = Align.parse(stream, "fasta")
with self.assertRaises(ValueError):
next(alignments)
if __name__ == "__main__":
runner = unittest.TextTestRunner(verbosity=2)
unittest.main(testRunner=runner)
|
