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- """Tests for the latex preprocessor"""
- # Copyright (c) IPython Development Team.
- # Distributed under the terms of the Modified BSD License.
- from .base import PreprocessorTestsBase
- from ..latex import LatexPreprocessor
- class TestLatex(PreprocessorTestsBase):
- """Contains test functions for latex.py"""
- def build_preprocessor(self):
- """Make an instance of a preprocessor"""
- preprocessor = LatexPreprocessor()
- preprocessor.enabled = True
- return preprocessor
- def test_constructor(self):
- """Can a LatexPreprocessor be constructed?"""
- self.build_preprocessor()
-
- def test_output(self):
- """Test the output of the LatexPreprocessor"""
- nb = self.build_notebook()
- res = self.build_resources()
- preprocessor = self.build_preprocessor()
- nb, res = preprocessor(nb, res)
- # Make sure the code cell wasn't modified.
- self.assertEqual(nb.cells[0].source, '$ e $')
- # Verify that the markdown cell wasn't processed.
- self.assertEqual(nb.cells[1].source, '$ e $')
-
- def test_highlight(self):
- """Check that highlighting style can be changed"""
- nb = self.build_notebook()
- res = self.build_resources()
- preprocessor = self.build_preprocessor()
- # Set the style to a known builtin that's not the default
- preprocessor.style='colorful'
- nb, res = preprocessor(nb, res)
- style_defs = res['latex']['pygments_definitions']
- # Get the default
- from pygments.formatters import LatexFormatter
- default_defs = LatexFormatter(style='default').get_style_defs()
- # Verify that the style was in fact changed
- assert style_defs != default_defs
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