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Fix in diff parser: prefix calculation was wrong when copying nodes

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Dave Halter
2019-01-14 01:00:17 +01:00
parent 564be7882e
commit d3d28480ed
2 changed files with 21 additions and 3 deletions
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18
test/test_diff_parser.py
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@@ -49,6 +49,8 @@ class Differ(object):
self.lines = split_lines(code, keepends=True)
self.module = parse(code, diff_cache=True, cache=True)
assert code == self.module.get_code()
_assert_valid_graph(self.module)
return self.module
def parse(self, code, copies=0, parsers=0, expect_error_leaves=False):
@@ -1034,3 +1036,19 @@ def test_random_character_insertion(differ):
differ.initialize(code1)
differ.parse(code2, copies=1, parsers=3, expect_error_leaves=True)
differ.parse(code1, copies=1, parsers=1)
def test_import_opening_bracket(differ):
code1 = dedent('''\
1
2
from bubu import (X,
''')
code2 = dedent('''\
11
2
from bubu import (X,
''')
differ.initialize(code1)
differ.parse(code2, copies=1, parsers=2, expect_error_leaves=True)
differ.parse(code1, copies=1, parsers=2, expect_error_leaves=True)