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146 lines
4.3 KiB
146 lines
4.3 KiB
4 years ago
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# Copyright 2015 Google Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Tests for yapf.format_decision_state."""
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import textwrap
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import unittest
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from yapf.yapflib import format_decision_state
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from yapf.yapflib import pytree_utils
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from yapf.yapflib import style
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from yapf.yapflib import unwrapped_line
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from yapftests import yapf_test_helper
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class FormatDecisionStateTest(yapf_test_helper.YAPFTest):
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@classmethod
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def setUpClass(cls):
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style.SetGlobalStyle(style.CreateYapfStyle())
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def testSimpleFunctionDefWithNoSplitting(self):
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code = textwrap.dedent(r"""
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def f(a, b):
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pass
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""")
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uwlines = yapf_test_helper.ParseAndUnwrap(code)
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uwline = unwrapped_line.UnwrappedLine(0, _FilterLine(uwlines[0]))
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uwline.CalculateFormattingInformation()
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# Add: 'f'
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state = format_decision_state.FormatDecisionState(uwline, 0)
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state.MoveStateToNextToken()
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self.assertEqual('f', state.next_token.value)
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self.assertFalse(state.CanSplit(False))
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# Add: '('
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state.AddTokenToState(False, True)
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self.assertEqual('(', state.next_token.value)
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self.assertFalse(state.CanSplit(False))
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self.assertFalse(state.MustSplit())
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# Add: 'a'
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state.AddTokenToState(False, True)
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self.assertEqual('a', state.next_token.value)
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self.assertTrue(state.CanSplit(False))
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self.assertFalse(state.MustSplit())
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# Add: ','
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state.AddTokenToState(False, True)
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self.assertEqual(',', state.next_token.value)
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self.assertFalse(state.CanSplit(False))
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self.assertFalse(state.MustSplit())
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# Add: 'b'
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state.AddTokenToState(False, True)
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self.assertEqual('b', state.next_token.value)
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self.assertTrue(state.CanSplit(False))
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self.assertFalse(state.MustSplit())
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# Add: ')'
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state.AddTokenToState(False, True)
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self.assertEqual(')', state.next_token.value)
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self.assertTrue(state.CanSplit(False))
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self.assertFalse(state.MustSplit())
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# Add: ':'
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state.AddTokenToState(False, True)
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self.assertEqual(':', state.next_token.value)
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self.assertFalse(state.CanSplit(False))
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self.assertFalse(state.MustSplit())
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clone = state.Clone()
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self.assertEqual(repr(state), repr(clone))
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def testSimpleFunctionDefWithSplitting(self):
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code = textwrap.dedent(r"""
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def f(a, b):
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pass
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""")
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uwlines = yapf_test_helper.ParseAndUnwrap(code)
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uwline = unwrapped_line.UnwrappedLine(0, _FilterLine(uwlines[0]))
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uwline.CalculateFormattingInformation()
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# Add: 'f'
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state = format_decision_state.FormatDecisionState(uwline, 0)
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state.MoveStateToNextToken()
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self.assertEqual('f', state.next_token.value)
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self.assertFalse(state.CanSplit(False))
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# Add: '('
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state.AddTokenToState(True, True)
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self.assertEqual('(', state.next_token.value)
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self.assertFalse(state.CanSplit(False))
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# Add: 'a'
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state.AddTokenToState(True, True)
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self.assertEqual('a', state.next_token.value)
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self.assertTrue(state.CanSplit(False))
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# Add: ','
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state.AddTokenToState(True, True)
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self.assertEqual(',', state.next_token.value)
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self.assertFalse(state.CanSplit(False))
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# Add: 'b'
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state.AddTokenToState(True, True)
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self.assertEqual('b', state.next_token.value)
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self.assertTrue(state.CanSplit(False))
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# Add: ')'
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state.AddTokenToState(True, True)
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self.assertEqual(')', state.next_token.value)
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self.assertTrue(state.CanSplit(False))
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# Add: ':'
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state.AddTokenToState(True, True)
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self.assertEqual(':', state.next_token.value)
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self.assertFalse(state.CanSplit(False))
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clone = state.Clone()
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self.assertEqual(repr(state), repr(clone))
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def _FilterLine(uwline):
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"""Filter out nonsemantic tokens from the UnwrappedLines."""
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return [
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ft for ft in uwline.tokens
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if ft.name not in pytree_utils.NONSEMANTIC_TOKENS
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]
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if __name__ == '__main__':
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unittest.main()
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