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test_match.py
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test_match.py
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# -*- coding: utf-8 -*-
#
# Copyright (c) nexB Inc. and others. All rights reserved.
# ScanCode is a trademark of nexB Inc.
# SPDX-License-Identifier: Apache-2.0
# See http://www.apache.org/licenses/LICENSE-2.0 for the license text.
# See https://github.com/nexB/scancode-toolkit for support or download.
# See https://aboutcode.org for more information about nexB OSS projects.
#
import os
from commoncode.testcase import FileBasedTesting
from licensedcode import cache
from licensedcode import index
from licensedcode import models
from licensedcode.index import LicenseIndex
from licensedcode.legalese import build_dictionary_from_iterable
from licensedcode.match import filter_contained_matches
from licensedcode.match import filter_matches_missing_key_phrases
from licensedcode.match import filter_overlapping_matches
from licensedcode.match import get_full_matched_text
from licensedcode.match import get_matching_regions
from licensedcode.match import LicenseMatch
from licensedcode.match import merge_matches
from licensedcode.match import reportable_tokens
from licensedcode.match import restore_non_overlapping
from licensedcode.match import tokenize_matched_text
from licensedcode.match import Token
from licensedcode.models import Rule
from licensedcode.models import load_rules
from licensedcode.query import Query
from licensedcode.spans import Span
from licensedcode_test_utils import create_rule_from_text_and_expression
TEST_DATA_DIR = os.path.join(os.path.dirname(__file__), 'data')
class TestLicenseMatchBasic(FileBasedTesting):
test_data_dir = TEST_DATA_DIR
def test_LicenseMatch_equality(self):
r1 = create_rule_from_text_and_expression(
text='r1',
identifier='apache-2.0.RULE',
license_expression='apache-2.0 OR gpl',
)
m1_r1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
m2_r1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
assert m1_r1 == m2_r1
assert not (m1_r1 != m2_r1)
r2 = create_rule_from_text_and_expression(
text='r1',
identifier='apache-2.0.RULE',
license_expression='apache-2.0 OR gpl',
)
m3_r2 = LicenseMatch(rule=r2, qspan=Span(0, 2), ispan=Span(0, 2))
assert r1 == r2
assert m1_r1 == m3_r2
def test_LicenseMatch_equality_2(self):
r1 = create_rule_from_text_and_expression(text='r1', license_expression='apache-2.0 OR gpl')
m1_r1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
r2 = create_rule_from_text_and_expression(text='r2', license_expression='gpl OR apache-2.0')
m2_r2 = LicenseMatch(rule=r2, qspan=Span(0, 2), ispan=Span(0, 2))
assert r1.licensing is r2.licensing
assert r1 != r2
assert r1.license_expression != r2.license_expression
assert r1.license_expression_object == r2.license_expression_object
assert str(r1.license_expression_object.simplify()) == str(r2.license_expression_object.simplify())
assert m1_r1 == m2_r2
assert not (m1_r1 != m2_r2)
assert r2.same_licensing(r2)
assert m1_r1.qspan == m2_r2.qspan
assert m1_r1.ispan == m2_r2.ispan
r3 = create_rule_from_text_and_expression(text='r3', license_expression='gpl OR apache-2.0')
m3_r3 = LicenseMatch(rule=r3, qspan=Span(0, 2), ispan=Span(0, 3))
assert m2_r2 != m3_r3
r4 = create_rule_from_text_and_expression(text='r3', license_expression='gpl1 OR apache-2.0')
m4_r4 = LicenseMatch(rule=r4, qspan=Span(0, 2), ispan=Span(0, 3))
assert m3_r3 != m4_r4
def test_LicenseMatch_not_equal(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-1.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
r2 = create_rule_from_text_and_expression(license_expression='gpl OR apache-2.0')
m2 = LicenseMatch(rule=r2, qspan=Span(0, 2), ispan=Span(0, 2))
assert m1 != m2
r3 = create_rule_from_text_and_expression(license_expression='apache-1.0 OR gpl')
m3 = LicenseMatch(rule=r3, qspan=Span(0, 2), ispan=Span(0, 2))
assert m1 == m3
r4 = create_rule_from_text_and_expression(license_expression='apache-1.0 OR gpl')
m4 = LicenseMatch(rule=r4, qspan=Span(1, 2), ispan=Span(1, 2))
assert not m1 == m4
def test_LicenseMatch_equals(self):
rule = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=rule, matcher='chunk1', qspan=Span(0, 7), ispan=Span(0, 7), start_line=1, end_line=1)
m2 = LicenseMatch(rule=rule, matcher='chunk2', qspan=Span(0, 7), ispan=Span(0, 7), start_line=1, end_line=1)
assert m1 == m2
m3 = LicenseMatch(rule=rule, matcher='chunk3', qspan=Span(16, 23), ispan=Span(0, 7), start_line=3, end_line=3)
assert m1 != m3
def test_LicenseMatch_comparisons(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
contained1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
contained2 = LicenseMatch(rule=r1, qspan=Span(1, 4), ispan=Span(1, 4))
same_span1 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
same_span2 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
before_after = LicenseMatch(rule=r1, qspan=Span(8, 9), ispan=Span(8, 9))
touching = LicenseMatch(rule=r1, qspan=Span(7, 7), ispan=Span(7, 7))
overlapping = LicenseMatch(rule=r1, qspan=Span(4, 7), ispan=Span(4, 7))
assert same_span1 == same_span2
assert same_span1 in same_span2
assert same_span1.overlap(same_span2)
assert same_span2.overlap(same_span1)
assert contained1 not in same_span1
assert same_span1 not in contained1
assert contained1.overlap(same_span2)
assert contained1.surround(contained2)
assert contained2 in same_span2
assert contained2 in contained1
assert contained2.overlap(overlapping)
assert overlapping.overlap(contained2)
assert overlapping.overlap(same_span1)
assert not overlapping.overlap(before_after)
assert before_after.is_after(same_span1)
assert before_after.is_after(touching)
assert before_after.is_after(contained1)
def test_combine_raise_TypeError_for_matches_of_different_rules(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl2')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
m2 = LicenseMatch(rule=r2, qspan=Span(1, 6), ispan=Span(1, 6))
try:
m1.combine(m2)
except TypeError:
pass
def test_combine_matches_with_same_rules(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
m2 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
match = m1.combine(m2)
assert match.qspan == Span(0, 6)
assert match.ispan == Span(0, 6)
def test_combine_matches_cannot_combine_matches_with_same_licensing_and_different_rules(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
m2 = LicenseMatch(rule=r2, qspan=Span(1, 6), ispan=Span(1, 6))
try:
m1.combine(m2)
self.fail('Should fail')
except TypeError:
pass
def test_LicenseMatch_small(self):
r1_text = u'licensed under the GPL, licensed under the GPL distribute extent of law'
small_rule = create_rule_from_text_and_expression(license_expression='apache-1.1', text=r1_text)
r2_text = u'licensed under the GPL, licensed under the GPL re distribute extent of law' * 10
long_rule = create_rule_from_text_and_expression(license_expression='apache-1.1', text=r2_text)
_idx = index.LicenseIndex([small_rule, long_rule])
test = LicenseMatch(rule=small_rule, qspan=Span(0, 10), ispan=Span(0, 10), hispan=Span(12))
assert test.is_small()
test = LicenseMatch(rule=small_rule, qspan=Span(0, 10), ispan=Span(0, 10), hispan=Span(11, 12))
assert test.is_small()
test = LicenseMatch(rule=small_rule, qspan=Span(10, 11, 12), ispan=Span(10, 11, 12), hispan=Span(11, 12))
assert test.is_small()
test = LicenseMatch(rule=small_rule, qspan=Span(1, 6), ispan=Span(1, 6))
assert test.is_small()
test = LicenseMatch(rule=long_rule, qspan=Span(0, 10), ispan=Span(0, 10), hispan=Span(12))
assert test.is_small()
test = LicenseMatch(rule=long_rule, qspan=Span(5, 10), ispan=Span(5, 10), hispan=Span(5, 6))
assert test.is_small()
test = LicenseMatch(rule=small_rule, qspan=Span(1, 10), ispan=Span(1, 10), hispan=Span(3, 6))
assert not test.is_small()
def test_LicenseMatch_score_is_not_100_with_aho_match_and_extra_unknown_token_hash_match(self):
text = (
'this file is licensed under the GPL license version2 only '
'or any other version. You can redistribute this file under '
'this or any other license.')
r1 = create_rule_from_text_and_expression(license_expression='apache-1.1', text=text)
idx = index.LicenseIndex([r1])
querys = (
'this file is licensed under the GPL license version2 only '
+' big ' +
'or any other version. You can redistribute this file under '
'this or any other license.')
match = idx.match(query_string=querys)[0]
assert match.score() < 100
def test_LicenseMatch_score_is_not_100_with_aho_match_and_extra_unknown_token_seq_match(self):
text = (
'this file is licensed under the GPL license version2 only '
'or any other version. You can redistribute this file under '
'this or any other license.')
r1 = create_rule_from_text_and_expression(license_expression='apache-1.1', text=text)
idx = index.LicenseIndex([r1])
querys = (
'this file is licensed under the GPL license version2 only '
+' is ' +
'or any other version. You can redistribute this file under '
'this or any other license.')
match = idx.match(query_string=querys)[0]
assert match.score() < 100
def test_LicenseMatch_score_is_not_100_with_aho_match_and_extra_unknown_token_aho_match(self):
text = (
'this file is licensed under the GPL license version2 only '
'or any other version. You can redistribute this file under '
'this or any other license.')
r1 = create_rule_from_text_and_expression(license_expression='apache-1.1', text=text)
idx = index.LicenseIndex([r1])
querys = (
'this this file is licensed under the GPL license version2 only '
+' big ' +
'or any other version. You can redistribute this file under '
'this or any other license. that')
match = idx.match(query_string=querys)[0]
assert match.score() < 100
def test_LicenseMatch_matches_only_when_all_key_phrases_are_present(self):
text_r1 = (
'License '
'Distributed under the {{MIT License}}. See LICENSE for {{more information}}.'
'You can redistribute this file under this or any other license.')
r1 = create_rule_from_text_and_expression(license_expression='mit', text=text_r1)
text_r2 = (
'License '
'Distributed under the {{GPL License}} License. See LICENSE for {{more information}}.'
'You can redistribute this file under this or any other license.')
r2 = create_rule_from_text_and_expression(license_expression='gpl', text=text_r2)
idx = index.LicenseIndex([r1, r2])
querys = (
'License '
'Distributed under the Apache License. See LICENSE for more information.'
'You can redistribute this file under this or any other license.')
matches = idx.match(query_string=querys)
assert not matches
def test_LicenseMatch_matches_only_when_all_key_phrases_are_present_in_order(self):
text_r1 = (
'License '
'Distributed under the {{MIT License}}. See LICENSE for more information. '
'{{You can redistribute this file}} under this or any other license. '
)
r1 = create_rule_from_text_and_expression(license_expression='mit', text=text_r1)
text_r2 = 'Foo bar'
r2 = create_rule_from_text_and_expression(license_expression='gpl', text=text_r2)
idx = index.LicenseIndex([r1, r2])
querys = (
'License '
'Distributed under the License MIT. See LICENSE for more information. '
'You can redistribute this file under this or any other license. '
' and otherwise foo bar'
)
matches = idx.match(query_string=querys)
assert len(matches) == 1
assert matches[0].rule == r2
def test_LicenseMatch_matches_only_when_key_phrases_are_uninterrupted_by_unknown(self):
text_r1 = (
'License '
'Distributed under the {{MIT License}}. See LICENSE for more information.'
'You can redistribute this file under this or any other license.')
r1 = create_rule_from_text_and_expression(license_expression='mit', text=text_r1)
text_r2 = (
'License '
'Distributed under the BSD License. See LICENSE for more information.'
'You can redistribute this file under this or any other license.')
r2 = create_rule_from_text_and_expression(license_expression='gpl', text=text_r2)
idx = index.LicenseIndex([r1, r2])
querys = (
'See LICENSE for more information, and also you can redistribute this file under this or any other license.'
'License '
'Distributed under the MIT, foobar License. See LICENSE or website for more information.'
'You can redistribute this file under this or any other license.'
)
matches = idx.match(query_string=querys)
assert len(matches) == 1
assert matches[0].rule == r2
def test_LicenseMatch_matches_only_when_key_phrases_are_uninterrupted_by_stopword(self):
text_r1 = (
'License '
'Distributed under the {{MIT License}}. See LICENSE for more information.'
'You can redistribute this file under this or any other license.')
r1 = create_rule_from_text_and_expression(license_expression='mit', text=text_r1)
text_r2 = (
'License '
'Distributed under the BSD License. See LICENSE for more information.'
'You can redistribute this file under this or any other license.')
r2 = create_rule_from_text_and_expression(license_expression='gpl', text=text_r2)
idx = index.LicenseIndex([r1, r2])
querys = (
'See LICENSE for more information, and also you can redistribute this file under this or any other license.'
'License '
'Distributed under the MIT, a License. See LICENSE or website for more information.'
# ^ stopword ^
'You can redistribute this file under this or any other license.'
)
matches = idx.match(query_string=querys)
assert len(matches) == 1
assert matches[0].rule == r2
def test_LicenseMatch_matches_key_phrases_aho_with_exact_match_selects_key_phrase_match(self):
text_r1 = (
'License '
'Distributed under the {{MIT License}}. See LICENSE for more information.'
)
r1 = create_rule_from_text_and_expression(license_expression='mit', text=text_r1)
text_r2 = (
'License '
'Distributed under the {{BSD License}}. See LICENSE for more information.'
'You can redistribute this file under this or any other license.')
r2 = create_rule_from_text_and_expression(license_expression='bsd', text=text_r2)
idx = index.LicenseIndex([r1, r2])
querys = (
'License '
'Distributed under the MIT License. See LICENSE for more information.'
'You can redistribute this file under this or any other license.'
)
matches = idx.match(query_string=querys, _skip_hash_match=True)
assert len(matches) == 1
assert matches[0].rule == r1
def test_LicenseMatch_matches_only_when_key_phrase_is_uninterrupted(self):
text_r1 = (
'licensed under the '
'{{Creative Commons Attribution 4.0 License}} '
'(the "License"); '
' this is a license with has several interesting characteristics '
)
r1 = create_rule_from_text_and_expression(license_expression='keyphrase', text=text_r1)
text_r2 = (
'licensed under the '
'Creative Commons Attribution 4.0 License '
'(the "License"); '
' this is a license that has several interesting characteristics also '
)
r2 = create_rule_from_text_and_expression(license_expression='plain', text=text_r2)
legalese = build_dictionary_from_iterable(['licensed', 'license', 'attribution', ])
idx = index.LicenseIndex([r1, r2], _legalese=legalese)
assert r1.key_phrase_spans == [Span(3, 8)]
assert r2.key_phrase_spans == []
# NonCommercial and ShareAlike are "unknown" words here
# therefore we should match r2 as as a sequence and not r1 because the
# key phrase are interrupted
querys = (
'This work is '
# 0 UW 1
'licensed under the '
# 2 3 4
'Creative Commons Attribution-Share Alike 4.0 License '
# 5 6 7 UW UW 8 9 10
'(the "License"). '
# 11 12
'this is a license that has several interesting characteristics FOO'
# 13 14 SW 15 16 17 18 19 20 UW 21
)
matches = idx.match(query_string=querys)
assert len(matches) == 1
match = matches[0]
assert match.query.unknowns_by_pos == {0: 1, 7: 2, 20: 1}
assert match.qspan == Span(2, 20)
itokens = [idx.tokens_by_tid[i] for i in match.itokens(idx)]
assert itokens == [
'licensed',
'under',
'the',
'creative',
'commons',
'attribution',
'4',
'0',
'license',
'the',
'license',
'this',
'is',
'license',
'that',
'has',
'several',
'interesting',
'characteristics',
]
assert match.rule == r2
class TestMergeMatches(FileBasedTesting):
test_data_dir = TEST_DATA_DIR
def test_merge_does_merge_non_contiguous_matches_in_sequence(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
m2 = LicenseMatch(rule=r1, qspan=Span(4, 6), ispan=Span(4, 6))
m5 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
results = merge_matches([m1, m2, m5])
assert results == [LicenseMatch(rule=r1, qspan=Span(0, 6), ispan=Span(0, 6))]
def test_merge_does_not_merge_overlapping_matches_of_different_rules_with_different_licensing(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl2')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
m2 = LicenseMatch(rule=r2, qspan=Span(1, 6), ispan=Span(1, 6))
results = merge_matches([m1, m2])
assert results == [m1, m2]
def test_merge_does_merge_overlapping_matches_of_same_rules_if_in_sequence(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
m2 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
results = merge_matches([m1, m2])
assert results == [LicenseMatch(rule=r1, qspan=Span(0, 6), ispan=Span(0, 6))]
def test_merge_does_not_merge_overlapping_matches_of_same_rules_if_in_sequence_with_gaps(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
r1.length = 50
m1 = LicenseMatch(rule=r1, qspan=Span(1, 3), ispan=Span(1, 3))
m2 = LicenseMatch(rule=r1, qspan=Span(14, 20), ispan=Span(4, 10))
expected = [LicenseMatch(rule=r1, qspan=Span(1, 3) | Span(14, 20), ispan=Span(1, 10))]
results = merge_matches([m1, m2])
assert results == expected
def test_merge_does_not_merge_overlapping_matches_of_same_rules_if_in_sequence_with_gaps_for_long_match(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
r1.length = 20
m1 = LicenseMatch(rule=r1, qspan=Span(1, 10), ispan=Span(1, 10))
m2 = LicenseMatch(rule=r1, qspan=Span(14, 20), ispan=Span(14, 20))
expected = [LicenseMatch(rule=r1, qspan=Span(1, 10) | Span(14, 20), ispan=Span(1, 10) | Span(14, 20))]
results = merge_matches([m1, m2])
assert results == expected
def test_merge_does_not_merge_overlapping_matches_of_same_rules_if_in_not_sequence(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(1, 3), ispan=Span(1, 3))
m2 = LicenseMatch(rule=r1, qspan=Span(14, 20), ispan=Span(1, 3))
matches = merge_matches([m1, m2])
assert sorted(matches) == sorted([m1, m2])
def test_merge_does_not_merge_contained_matches_of_different_rules_with_same_licensing(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
m2 = LicenseMatch(rule=r2, qspan=Span(1, 6), ispan=Span(1, 6))
matches = merge_matches([m1, m2])
assert sorted(matches) == sorted([m1, m2])
def test_files_does_filter_contained_matches_of_different_rules_with_same_licensing(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
m2 = LicenseMatch(rule=r2, qspan=Span(1, 6), ispan=Span(1, 6))
matches, discarded = filter_contained_matches([m1, m2])
assert matches == [m2]
assert discarded == [m1]
def test_merge_does_not_merge_overlapping_matches_with_same_licensings(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
overlap = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
same_span1 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
same_span2 = LicenseMatch(rule=r2, qspan=Span(1, 6), ispan=Span(1, 6))
result = merge_matches([overlap, same_span1, same_span2])
expected = [
LicenseMatch(rule=r1, qspan=Span(0, 6), ispan=Span(0, 6)),
LicenseMatch(rule=r2, qspan=Span(1, 6), ispan=Span(1, 6)),
]
assert sorted(result) == sorted(expected)
def test_filter_contained_matches_only_filter_contained_matches_with_same_licensings(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
overlap = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
same_span1 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
same_span2 = LicenseMatch(rule=r2, qspan=Span(1, 6), ispan=Span(1, 6))
matches, discarded = filter_contained_matches([overlap, same_span1, same_span2])
assert matches == [overlap, same_span1]
assert discarded
def test_filter_overlapping_matches_does_filter_overlapping_matches_with_same_licensings(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
overlap = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
same_span1 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
same_span2 = LicenseMatch(rule=r2, qspan=Span(1, 6), ispan=Span(1, 6))
matches, discarded = filter_overlapping_matches([overlap, same_span1, same_span2])
assert matches == [overlap]
assert discarded
def test_filter_contained_matches_prefers_longer_overlapping_matches(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
overlap = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
same_span1 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
same_span2 = LicenseMatch(rule=r2, qspan=Span(1, 8), ispan=Span(1, 8))
matches, discarded = filter_contained_matches([overlap, same_span1, same_span2])
assert matches == [overlap, same_span2]
assert discarded
def test_filter_overlapping_matches_prefers_longer_overlapping_matches(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
overlap = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
same_span1 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
same_span2 = LicenseMatch(rule=r2, qspan=Span(1, 8), ispan=Span(1, 8))
matches, discarded = filter_overlapping_matches([overlap, same_span1, same_span2])
assert matches == [same_span2]
assert discarded
def test_merge_contiguous_touching_matches_in_sequence(self):
r1 = create_rule_from_text_and_expression(text='r1', license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
m2 = LicenseMatch(rule=r1, qspan=Span(3, 6), ispan=Span(3, 6))
result = merge_matches([m1, m2])
match = result[0]
assert match == LicenseMatch(rule=r1, qspan=Span(0, 6), ispan=Span(0, 6))
def test_merge_contiguous_contained_matches(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
m2 = LicenseMatch(rule=r1, qspan=Span(3, 6), ispan=Span(3, 6))
m5 = LicenseMatch(rule=r1, qspan=Span(7, 8), ispan=Span(7, 8))
result = merge_matches([m1, m2, m5])
assert result == [LicenseMatch(rule=r1, qspan=Span(0, 8), ispan=Span(0, 8))]
def test_merge_should_not_merge_repeated_matches_out_of_sequence(self):
rule = create_rule_from_text_and_expression(license_expression='gpl-2.0')
rule.rid = 2615
m1 = LicenseMatch(rule=rule, matcher='chunk1', qspan=Span(0, 7), ispan=Span(0, 7))
m2 = LicenseMatch(rule=rule, matcher='chunk2', qspan=Span(8, 15), ispan=Span(0, 7))
m3 = LicenseMatch(rule=rule, matcher='chunk3', qspan=Span(16, 23), ispan=Span(0, 7))
result = merge_matches([m1, m2, m3])
assert result == [m1, m2, m3]
def test_merge_merges_contained_and_overlapping_match(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
contained = LicenseMatch(rule=r1, qspan=Span(1, 4), ispan=Span(1, 4))
overlapping = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
assert contained in overlapping
assert contained in m1
result = merge_matches([m1, contained, overlapping])
expected = [LicenseMatch(rule=r1, qspan=Span(0, 6), ispan=Span(0, 6))]
assert result == expected
def test_merge_does_not_merge_multiple_contained_matches_across_rules(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
contained1 = LicenseMatch(rule=r2, qspan=Span(1, 2), ispan=Span(1, 2))
r3 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
contained2 = LicenseMatch(rule=r3, qspan=Span(3, 4), ispan=Span(3, 4))
r5 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m5 = LicenseMatch(rule=r5, qspan=Span(1, 6), ispan=Span(1, 6))
result = merge_matches([m1, contained1, contained2, m5])
assert sorted(result) == sorted([m1, contained1, contained2, m5])
def test_filter_contained_matches_does_filter_across_rules(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
contained1 = LicenseMatch(rule=r2, qspan=Span(1, 2), ispan=Span(1, 2))
r3 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
contained2 = LicenseMatch(rule=r3, qspan=Span(3, 4), ispan=Span(3, 4))
r5 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m5 = LicenseMatch(rule=r5, qspan=Span(1, 6), ispan=Span(1, 6))
result, _discarded = filter_contained_matches([m1, contained1, contained2, m5])
assert result == [m1, m5]
def test_filter_overlapping_matches_does_not_filter_multiple_contained_matches_across_rules(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
contained1 = LicenseMatch(rule=r2, qspan=Span(1, 2), ispan=Span(1, 2))
r3 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
contained2 = LicenseMatch(rule=r3, qspan=Span(3, 4), ispan=Span(3, 4))
r5 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m5 = LicenseMatch(rule=r5, qspan=Span(1, 6), ispan=Span(1, 6))
result, _discarded = filter_overlapping_matches([m1, contained1, contained2, m5])
assert result == [m1]
def test_filter_contained_matches_filters_multiple_contained_matches(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
contained1 = LicenseMatch(rule=r2, qspan=Span(1, 2), ispan=Span(1, 2))
r3 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
contained2 = LicenseMatch(rule=r3, qspan=Span(3, 4), ispan=Span(3, 4))
r5 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m5 = LicenseMatch(rule=r5, qspan=Span(1, 6), ispan=Span(1, 6))
matches, discarded = filter_contained_matches([m1, contained1, contained2, m5])
assert matches == [m1, m5]
assert sorted(discarded) == sorted([contained1, contained2, ])
def test_filter_overlapping_matches_filters_multiple_contained_matches(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
contained1 = LicenseMatch(rule=r2, qspan=Span(1, 2), ispan=Span(1, 2))
r3 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
contained2 = LicenseMatch(rule=r3, qspan=Span(3, 4), ispan=Span(3, 4))
r5 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m5 = LicenseMatch(rule=r5, qspan=Span(1, 6), ispan=Span(1, 6))
matches, discarded = filter_overlapping_matches([m1, contained1, contained2, m5])
assert matches == [m1]
assert sorted(discarded) == sorted([m5, contained1, contained2, ])
def test_merge_does_not_merge_matches_with_same_spans_if_licenses_are_identical_but_rule_differ(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
m5 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0')
m2 = LicenseMatch(rule=r2, qspan=Span(0, 2), ispan=Span(0, 2))
matches = merge_matches([m1, m2, m5])
assert sorted(matches) == sorted([LicenseMatch(rule=r1, qspan=Span(0, 6), ispan=Span(0, 6)), m2])
def test_filter_contained_matches_filters_matches_with_same_spans_if_licenses_are_identical_but_rule_differ(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
m5 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0')
m2 = LicenseMatch(rule=r2, qspan=Span(0, 2), ispan=Span(0, 2))
matches, discarded = filter_contained_matches([m1, m2, m5])
assert matches == [m1, m5]
assert discarded
def test_filter_overlapping_matches_filters_matches_with_same_spans_if_licenses_are_identical_but_rule_differ(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
m5 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0')
m2 = LicenseMatch(rule=r2, qspan=Span(0, 2), ispan=Span(0, 2))
matches, discarded = filter_overlapping_matches([m1, m2, m5])
assert matches == [m5]
assert discarded
def test_merge_then_filter_matches_with_same_spans_if_licenses_are_identical_but_rule_differ(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
m5 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0')
m2 = LicenseMatch(rule=r2, qspan=Span(0, 2), ispan=Span(0, 2))
matches = merge_matches([m1, m2, m5])
matches, discarded = filter_contained_matches(matches)
assert matches == [LicenseMatch(rule=r1, qspan=Span(0, 6), ispan=Span(0, 6))]
assert discarded
def test_merge_overlapping_matches(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
m2 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
matches = merge_matches([m1, m2])
assert matches == [LicenseMatch(rule=r1, qspan=Span(0, 6), ispan=Span(0, 6))]
def test_merge_does_not_merges_matches_with_same_spans_if_licenses_are_the_same_but_have_different_licenses_ordering(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
m5 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
r2 = create_rule_from_text_and_expression(license_expression='gpl OR apache-2.0')
m2 = LicenseMatch(rule=r2, qspan=Span(0, 2), ispan=Span(0, 2))
result = merge_matches([m1, m2, m5])
assert sorted(result) == sorted([LicenseMatch(rule=r1, qspan=Span(0, 6), ispan=Span(0, 6)), m2])
def test_merge_does_not_merges_matches_with_same_spans_if_rules_are_different(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
m5 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m2 = LicenseMatch(rule=r2, qspan=Span(0, 2), ispan=Span(0, 2))
result = merge_matches([m1, m2, m5])
assert sorted(result) == sorted([LicenseMatch(rule=r1, qspan=Span(0, 6), ispan=Span(0, 6)), m2])
def test_merge_merges_duplicate_matches(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 8), ispan=Span(0, 8))
m2 = LicenseMatch(rule=r1, qspan=Span(0, 8), ispan=Span(0, 8))
matches = merge_matches([m1, m2])
assert (matches == [m1]) or (matches == [m2])
def test_merge_does_not_merge_overlapping_matches_in_sequence_with_assymetric_overlap(self):
r1 = create_rule_from_text_and_expression(license_expression=u'lgpl-2.0-plus')
# ---> merge_matches: current: LicenseMatch<'3-seq', lines=(9, 28), 'lgpl-2.0-plus_9.RULE', u'lgpl-2.0-plus', choice=False, score=87.5, len=126, ilen=126, hilen=20, rlen=144, qreg=(50, 200), ireg=(5, 142), qspan=Span(50, 90)|Span(92, 142)|Span(151, 182)|Span(199, 200), ispan=Span(5, 21)|Span(23, 46)|Span(48, 77)|Span(79, 93)|Span(95, 100)|Span(108, 128)|Span(130, 142), hispan=Span(10)|Span(14)|Span(18)|Span(24)|Span(27)|Span(52)|Span(57)|Span(61)|Span(65, 66)|Span(68)|Span(70)|Span(80)|Span(88)|Span(96)|Span(111)|Span(113)|Span(115)|Span(131)|Span(141)>
# ---> merge_matches: next: LicenseMatch<'2-aho', lines=(28, 44), 'lgpl-2.0-plus_9.RULE', u'lgpl-2.0-plus', choice=False, score=100.0, len=144, ilen=144, hilen=21, rlen=144, qreg=(198, 341), ireg=(0, 143), qspan=Span(198, 341), ispan=Span(0, 143), hispan=Span(1)|Span(10)|Span(14)|Span(18)|Span(24)|Span(27)|Span(52)|Span(57)|Span(61)|Span(65, 66)|Span(68)|Span(70)|Span(80)|Span(88)|Span(96)|Span(111)|Span(113)|Span(115)|Span(131)|Span(141)>
# ---> ###merge_matches: next overlaps in sequence current, merged as new: LicenseMatch<'3-seq 2-aho', lines=(9, 44), 'lgpl-2.0-plus_9.RULE', u'lgpl-2.0-plus', choice=False, score=100.0, len=268, hilen=21, rlen=144, qreg=(50, 341), ireg=(0, 143), qspan=Span(50, 90)|Span(92, 142)|Span(151, 182)|Span(198, 341), ispan=Span(0, 143), his
# ---> merge_matches: current: len=126, hilen=20, rlen=144, qreg=(50, 200), ireg=(5, 142)
# ---> merge_matches: next: len=144, hilen=21, rlen=144, qreg=(198, 341), ireg=(0, 143)
m1 = LicenseMatch(
rule=r1,
qspan=Span(50, 90) | Span(92, 142) | Span(151, 182) | Span(199, 200),
ispan=
Span(5, 21) | Span(23, 46) | Span(48, 77) | Span(79, 93) |
Span(95, 100) | Span(108, 128) | Span(130, 142),
hispan=
Span(10) | Span(14) | Span(18) | Span(24) | Span(27) | Span(52) |
Span(57) | Span(61) | Span(65, 66) | Span(68) | Span(70) | Span(80) |
Span(88) | Span(96) | Span(111) | Span(113) | Span(115) | Span(131) |
Span(141),
)
m2 = LicenseMatch(
rule=r1,
qspan=Span(198, 341),
ispan=Span(0, 143),
hispan=
Span(1) | Span(10) | Span(14) | Span(18) | Span(24) | Span(27) |
Span(52) | Span(57) | Span(61) | Span(65, 66) | Span(68) | Span(70) |
Span(80) | Span(88) | Span(96) | Span(111) | Span(113) | Span(115) |
Span(131) | Span(141))
matches = merge_matches([m1, m2])
assert matches == [m1, m2]
class TestLicenseMatchFilter(FileBasedTesting):
test_data_dir = TEST_DATA_DIR
def test_filter_contained_matches_matches_filters_multiple_nested_contained_matches_and_large_overlapping(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
large_overlap = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
contained = LicenseMatch(rule=r1, qspan=Span(1, 4), ispan=Span(1, 4))
in_contained = LicenseMatch(rule=r1, qspan=Span(2, 3), ispan=Span(2, 3))
result, discarded = filter_contained_matches([m1, contained, in_contained, large_overlap])
assert result == [m1, large_overlap]
assert discarded == [contained, in_contained]
def test_filter_overlapping_matches_matches_filters_multiple_nested_contained_matches_and_large_overlapping(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
large_overlap = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
contained = LicenseMatch(rule=r1, qspan=Span(1, 4), ispan=Span(1, 4))
in_contained = LicenseMatch(rule=r1, qspan=Span(2, 3), ispan=Span(2, 3))
result, discarded = filter_overlapping_matches([m1, contained, in_contained, large_overlap])
assert result == [m1]
assert discarded
def test_filter_matches_filters_non_contiguous_or_overlapping__but_contained_matches(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(1, 2), ispan=Span(1, 2))
m2 = LicenseMatch(rule=r1, qspan=Span(3, 6), ispan=Span(3, 6))
m3 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
m4 = LicenseMatch(rule=r1, qspan=Span(0, 7), ispan=Span(0, 7))
m5 = LicenseMatch(rule=r1, qspan=Span(1, 6), ispan=Span(1, 6))
result, discarded = filter_contained_matches([m1, m2, m3, m4, m5])
assert result == [m4]
assert discarded
def test_filter_matches_filters_non_contiguous_or_overlapping_contained_matches_with_touching_boundaries(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m2 = LicenseMatch(rule=r2, qspan=Span(3, 7), ispan=Span(3, 7))
r3 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m3 = LicenseMatch(rule=r3, qspan=Span(0, 6), ispan=Span(0, 6))
r6 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m6 = LicenseMatch(rule=r6, qspan=Span(1, 7), ispan=Span(1, 7))
r5 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m5 = LicenseMatch(rule=r5, qspan=Span(1, 6), ispan=Span(1, 6))
r4 = create_rule_from_text_and_expression(license_expression='apache-2.0 OR gpl')
m4 = LicenseMatch(rule=r4, qspan=Span(0, 7), ispan=Span(0, 7))
result, discarded = filter_contained_matches([m1, m2, m3, m4, m5, m6])
assert result == [m4]
assert discarded
def test_filter_contained_matches_matches_does_filter_matches_with_contained_spans_if_licenses_are_different(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0')
m2 = LicenseMatch(rule=r2, qspan=Span(1, 6), ispan=Span(1, 6))
r3 = create_rule_from_text_and_expression(license_expression='apache-1.1')
m3 = LicenseMatch(rule=r3, qspan=Span(0, 2), ispan=Span(0, 2))
matches, discarded = filter_contained_matches([m1, m2, m3])
assert matches == [m1, m2]
assert discarded
def test_filter_overlapping_matches_matches_does_filter_matches_with_contained_spans_if_licenses_are_different(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-2.0')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 2), ispan=Span(0, 2))
r2 = create_rule_from_text_and_expression(license_expression='apache-2.0')
m2 = LicenseMatch(rule=r2, qspan=Span(1, 6), ispan=Span(1, 6))
r3 = create_rule_from_text_and_expression(license_expression='apache-1.1')
m3 = LicenseMatch(rule=r3, qspan=Span(0, 2), ispan=Span(0, 2))
matches, discarded = filter_overlapping_matches([m1, m2, m3])
assert matches == [m2]
assert discarded
def test_filter_overlapping_matches_matches_filters_matches_with_medium_overlap_only_if_license_are_the_same(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-1.1')
m1 = LicenseMatch(rule=r1, qspan=Span(0, 10), ispan=Span(0, 10))
m2 = LicenseMatch(rule=r1, qspan=Span(3, 11), ispan=Span(3, 11))
r2 = create_rule_from_text_and_expression(license_expression='gpl OR apache-2.0')
m3 = LicenseMatch(rule=r2, qspan=Span(7, 15), ispan=Span(7, 15))
result, discarded = filter_overlapping_matches([m1, m2, m3])
assert sorted(result) == sorted([m1, m3])
assert discarded
def test_filter_matches_handles_interlaced_matches_with_overlap_and_same_license(self):
rule_dir = self.get_test_loc('match_filter/rules')
idx = index.LicenseIndex(load_rules(rule_dir))
rules = {r.identifier: r for r in idx.rules_by_rid}
query_loc = self.get_test_loc('match_filter/query')
matches = idx.match(location=query_loc)
expected = [
# filtered: LicenseMatch(matcher='3-seq', rule=rules['rule1.RULE'], qspan=Span(4, 47) | Span(50, 59), ispan=Span(1, 53)),
LicenseMatch(matcher='2-aho', rule=rules['rule2.RULE'], qspan=Span(24, 85), ispan=Span(0, 61)),
]
assert matches == expected
def test_filter_contained_matches_matches_filters_matches_does_not_discard_non_overlapping(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-1.1')
r2 = create_rule_from_text_and_expression(license_expression='gpl OR apache-2.0')
r3 = create_rule_from_text_and_expression(license_expression='gpl')
# we have these matches
# 1. ABC
# 2. ABCDEDFG
# 3. DEFCGJLJLJKLJJLKJLJJJLJLJLJJL
# we do not want 1. to be discarded in the final
m1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
m2 = LicenseMatch(rule=r2, qspan=Span(0, 40), ispan=Span(0, 40))
m3 = LicenseMatch(rule=r3, qspan=Span(6, 120), ispan=Span(6, 120))
result, discarded = filter_contained_matches([m2, m1, m3])
assert result == [m2, m3]
assert discarded == [m1]
def test_filter_overlapping_matches_matches_filters_matches_does_not_discard_non_overlapping(self):
r1 = create_rule_from_text_and_expression(license_expression='apache-1.1')
r2 = create_rule_from_text_and_expression(license_expression='gpl OR apache-2.0')
r3 = create_rule_from_text_and_expression(license_expression='gpl')
# we have these matches
# 1. ABC
# 2. ABCDEDFG
# 3. DEFCGJLJLJKLJJLKJLJJJLJLJLJJL
# we do not want 1. to be discarded in the final
m1 = LicenseMatch(rule=r1, qspan=Span(0, 5), ispan=Span(0, 5))
m2 = LicenseMatch(rule=r2, qspan=Span(0, 40), ispan=Span(0, 40))
m3 = LicenseMatch(rule=r3, qspan=Span(6, 120), ispan=Span(6, 120))