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import textwrap |
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from unittest import TestCase |
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from ..Code import _indent_chunk |
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class TestIndent(TestCase): |
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def _test_indentations(self, chunk, expected): |
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for indentation in range(16): |
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expected_indented = textwrap.indent(expected, ' ' * indentation) |
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for line in expected_indented.splitlines(): |
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self.assertTrue(line == '' or line.strip(), repr(line)) |
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with self.subTest(indentation=indentation): |
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result = _indent_chunk(chunk, indentation_length=indentation) |
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self.assertEqual(expected_indented, result) |
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def test_indent_empty(self): |
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self._test_indentations('', '') |
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def test_indent_empty_lines(self): |
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self._test_indentations('\n', '\n') |
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self._test_indentations('\n'*2, '\n'*2) |
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self._test_indentations('\n'*3, '\n'*3) |
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self._test_indentations(' \n'*2, '\n'*2) |
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self._test_indentations('\n \n \n \n', '\n'*4) |
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def test_indent_one_line(self): |
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self._test_indentations('abc', 'abc') |
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def test_indent_chunk(self): |
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chunk = """ |
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x = 1 |
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if x == 2: |
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print("False") |
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else: |
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print("True") |
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""" |
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expected = """ |
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x = 1 |
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if x == 2: |
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print("False") |
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else: |
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print("True") |
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""" |
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self._test_indentations(chunk, expected) |
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def test_indent_empty_line(self): |
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chunk = """ |
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x = 1 |
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if x == 2: |
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print("False") |
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else: |
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print("True") |
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""" |
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expected = """ |
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x = 1 |
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if x == 2: |
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print("False") |
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else: |
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print("True") |
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""" |
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self._test_indentations(chunk, expected) |
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def test_indent_empty_line_unclean(self): |
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lines = """ |
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x = 1 |
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if x == 2: |
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print("False") |
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else: |
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print("True") |
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""".splitlines(keepends=True) |
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lines[2] = ' \n' |
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chunk = ''.join(lines) |
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expected = """ |
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x = 1 |
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if x == 2: |
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print("False") |
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else: |
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print("True") |
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""" |
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self._test_indentations(chunk, expected) |
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