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1 | # Copyright 2015 Google Inc. All Rights Reserved. |
2 | # | |
3 | # Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | # you may not use this file except in compliance with the License. | |
5 | # You may obtain a copy of the License at | |
6 | # | |
7 | # http://www.apache.org/licenses/LICENSE-2.0 | |
8 | # | |
9 | # Unless required by applicable law or agreed to in writing, software | |
10 | # distributed under the License is distributed on an "AS IS" BASIS, | |
11 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | # See the License for the specific language governing permissions and | |
13 | # limitations under the License. | |
14 | """Tests for yapf.line_joiner.""" | |
15 | ||
16 | import textwrap | |
17 | import unittest | |
18 | ||
19 | from yapf.yapflib import line_joiner | |
20 | from yapf.yapflib import style | |
21 | ||
22 | from yapftests import yapf_test_helper | |
23 | ||
24 | ||
25 | class LineJoinerTest(yapf_test_helper.YAPFTest): | |
26 | ||
27 | @classmethod | |
28 | def setUpClass(cls): | |
29 | style.SetGlobalStyle(style.CreatePEP8Style()) | |
30 | ||
31 | def _CheckLineJoining(self, code, join_lines): | |
32 | """Check that the given LogicalLines are joined as expected. | |
33 | ||
34 | Arguments: | |
35 | code: The code to check to see if we can join it. | |
36 | join_lines: True if we expect the lines to be joined. | |
37 | """ | |
38 | llines = yapf_test_helper.ParseAndUnwrap(code) | |
39 | self.assertCodeEqual(line_joiner.CanMergeMultipleLines(llines), join_lines) | |
40 | ||
41 | def testSimpleSingleLineStatement(self): | |
42 | code = textwrap.dedent("""\ | |
43 | if isinstance(a, int): continue | |
44 | """) | |
45 | self._CheckLineJoining(code, join_lines=True) | |
46 | ||
47 | def testSimpleMultipleLineStatement(self): | |
48 | code = textwrap.dedent("""\ | |
49 | if isinstance(b, int): | |
50 | continue | |
51 | """) | |
52 | self._CheckLineJoining(code, join_lines=False) | |
53 | ||
54 | def testSimpleMultipleLineComplexStatement(self): | |
55 | code = textwrap.dedent("""\ | |
56 | if isinstance(c, int): | |
57 | while True: | |
58 | continue | |
59 | """) | |
60 | self._CheckLineJoining(code, join_lines=False) | |
61 | ||
62 | def testSimpleMultipleLineStatementWithComment(self): | |
63 | code = textwrap.dedent("""\ | |
64 | if isinstance(d, int): continue # We're pleased that d's an int. | |
65 | """) | |
66 | self._CheckLineJoining(code, join_lines=True) | |
67 | ||
68 | def testSimpleMultipleLineStatementWithLargeIndent(self): | |
69 | code = textwrap.dedent("""\ | |
70 | if isinstance(e, int): continue | |
71 | """) | |
72 | self._CheckLineJoining(code, join_lines=True) | |
73 | ||
74 | def testOverColumnLimit(self): | |
75 | code = textwrap.dedent("""\ | |
76 | if instance(bbbbbbbbbbbbbbbbbbbbbbbbb, int): cccccccccccccccccccccccccc = ddddddddddddddddddddd | |
77 | """) # noqa | |
78 | self._CheckLineJoining(code, join_lines=False) | |
79 | ||
80 | ||
81 | if __name__ == '__main__': | |
82 | unittest.main() |