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import unittest
import gfapy
class TestApiHeader(unittest.TestCase):
def test_gfa_header(self):
g = gfapy.Gfa()
assert(isinstance(g.header, gfapy.line.Header))
self.assertEqual([], g.header.tagnames)
g.add_line("H\txx:i:1")
self.assertEqual(["xx"], g.header.tagnames)
def test_gfa_header_line_connect(self):
g = gfapy.Gfa()
line = gfapy.Line("H\txx:i:1")
self.assertRaises(gfapy.RuntimeError, line.connect, g)
g.add_line(line) # nothing raised
def test_header_version_editing(self):
standalone = gfapy.Line("H\txx:i:1\tVN:Z:1.0")
standalone.VN = "2.0" # nothing raised
g = gfapy.Gfa()
g.add_line("H\txx:i:1\tVN:Z:1.0")
g.header.xx = 2 # nothing raised
with self.assertRaises(gfapy.RuntimeError):
g.header.VN = "2.0"
def test_error_inconsistent_definitions(self):
g = gfapy.Gfa()
g.add_line("H\txx:i:1")
g.add_line("H\txx:i:2") # nothing raised
g.add_line("H\tTS:i:120")
g.add_line("H\tTS:i:120") # nothing raised
self.assertRaises(gfapy.InconsistencyError, g.add_line, "H\tTS:i:122")
def test_gfa_multiple_def_tags(self):
g = gfapy.Gfa()
for i in range(4):
g.add_line("H\txx:i:{}".format(i))
self.assertEqual(["xx"], g.header.tagnames)
self.assertEqual([0,1,2,3], g.header.xx)
self.assertEqual([0,1,2,3], g.header.get("xx"))
self.assertEqual("i", g.header.get_datatype("xx"))
g.header.validate_field("xx") # nothing raised
for i in [0,2,3]:
g.header.xx.remove(i)
g.header.xx = [1, 4]
self.assertRaises(gfapy.TypeError, g.header.validate_field, "xx")
g.header.xx = gfapy.FieldArray("i", data = g.header.xx)
g.header.validate_field("xx") # nothing raised
self.assertEqual([1,4], g.header.get("xx"))
self.assertEqual("1\t4", g.header.field_to_s("xx"))
self.assertEqual("xx:i:1\txx:i:4", g.header.field_to_s("xx", tag=True))
self.assertEqual(sorted(["H\txx:i:1","H\txx:i:4"]),
sorted([str(h) for h in g.headers]))
g.header.add("xx", 12)
g.header.add("yy", 13)
self.assertEqual([1,4,12], g.header.xx)
self.assertEqual(13, g.header.yy)
def test_gfa_single_def_tags(self):
g = gfapy.Gfa()
g.add_line("H\txx:i:1")
self.assertEqual(["xx"], g.header.tagnames)
self.assertEqual(1, g.header.xx)
g.header.set("xx", 12)
self.assertEqual(12, g.header.xx)
g.header.delete("xx")
self.assertEqual(None, g.header.xx)
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