def test_empty_lgr(self):
success, result = check_transitivity(self.lgr, {})
log_content = self.log_output.getvalue()
self.assertEqual(len(log_content), 0)
self.assertTrue(success)
self.assertDictEqual(result, {'description': 'Testing transitivity',
'repertoire': []})
def test_no_variants(self):
self.lgr.add_cp([0x0061])
self.lgr.add_cp([0x0062])
success, result = check_transitivity(self.lgr, {})
log_content = self.log_output.getvalue()
self.assertEqual(len(log_content), 0)
self.assertTrue(success)
self.assertDictEqual(result, {'description': 'Testing transitivity',
'repertoire': []})
def test_no_transitivity(self):
self.lgr.add_cp([0x0061])
self.lgr.add_variant([0x0061], [0x0062])
self.lgr.add_cp([0x0062])
self.lgr.add_variant([0x0062], [0x0063])
self.lgr.add_cp([0x0063])
success, result = check_transitivity(self.lgr, {})
log_content = self.log_output.getvalue()
self.assertGreater(len(log_content), 0)
self.assertEqual(log_content,
'CP U+0061 should have CP U+0063 in its variants.\n')
self.assertFalse(success)
self.assertDictEqual(result, {'description': 'Testing transitivity',
'repertoire': [{'char': self.lgr.get_char([0x0061]),
'variant': self.lgr.get_variant([0x0062], (0x0063, ))[0]}]})
def populate_lgr(lgr):
"""
Populate an LGR with missing variants, and fix symmetry and transitivity
:param lgr: The LGR to be populated.
:return: Result of checks and summary as a string
"""
# not in LGR variants
for a in lgr.repertoire:
for b in a.get_variants():
try:
lgr.get_variants(b.cp)
except NotInLGR:
logger.info("Add missing code point '{}' in LGR as it is a variant of '{}'".format(
format_cp(b.cp), format_cp(a.cp)))
lgr.add_cp(b.cp)
# add current code point as variant for missing code point
logger.info("Add code point '{}' as variant of '{}' for symmetry".format(format_cp(a.cp),
format_cp(b.cp)))
lgr.add_variant(b.cp, a.cp, variant_type='blocked')
while not check_symmetry(lgr, None)[0] or not check_transitivity(lgr, None)[0]:
# symmetry
for a in lgr.repertoire:
for b in a.get_variants():
# Variant is defined in repertoire
# let's see if the original character is in its
# variants
if a.cp not in [var.cp for var in lgr.get_variants(b.cp)]:
logger.info("Add code point '{}' as variant of '{}' for symmetry".format(format_cp(a.cp),
format_cp(b.cp)))
lgr.add_variant(b.cp, a.cp, variant_type='blocked')
# transitivity
for a in lgr.repertoire:
for b in a.get_variants():
for c in [var for var in lgr.get_variants(b.cp) if var.cp != a.cp]:
# Iterate through all second-level variants
# which are not the original code point
if c.cp not in [var.cp for var in a.get_variants()]:
logger.info("Add code point '{}' as variant of '{}' for transitivity with '{}'".format(
format_cp(c.cp), format_cp(a.cp), format_cp(b.cp)))
lgr.add_variant(a.cp, c.cp, variant_type='blocked')