djavu-asus/elpy/rpc-venv/lib/python3.11/site-packages/yapftests/line_joiner_test.py

   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()