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"""
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Module with tests for the revealhelp transformer
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"""
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#-----------------------------------------------------------------------------
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# Copyright (c) 2013, the IPython Development Team.
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#
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# Distributed under the terms of the Modified BSD License.
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#
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# The full license is in the file COPYING.txt, distributed with this software.
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Imports
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#-----------------------------------------------------------------------------
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from IPython.nbformat import current as nbformat
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from .base import TransformerTestsBase
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from ..revealhelp import RevealHelpTransformer
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#-----------------------------------------------------------------------------
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# Class
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#-----------------------------------------------------------------------------
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class Testrevealhelp(TransformerTestsBase):
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"""Contains test functions for revealhelp.py"""
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def build_notebook(self):
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"""Build a reveal slides notebook in memory for use with tests.
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Overrides base in TransformerTestsBase"""
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outputs = [nbformat.new_output(output_type="stream", stream="stdout", output_text="a")]
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slide_metadata = {'slideshow' : {'slide_type': 'slide'}}
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subslide_metadata = {'slideshow' : {'slide_type': 'subslide'}}
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cells=[nbformat.new_code_cell(input="", prompt_number=1, outputs=outputs),
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nbformat.new_text_cell('markdown', source="", metadata=slide_metadata),
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nbformat.new_code_cell(input="", prompt_number=2, outputs=outputs),
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nbformat.new_text_cell('markdown', source="", metadata=slide_metadata),
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nbformat.new_text_cell('markdown', source="", metadata=subslide_metadata)]
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worksheets = [nbformat.new_worksheet(name="worksheet1", cells=cells)]
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return nbformat.new_notebook(name="notebook1", worksheets=worksheets)
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def build_transformer(self):
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"""Make an instance of a transformer"""
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transformer = RevealHelpTransformer()
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transformer.enabled = True
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return transformer
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def test_constructor(self):
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"""Can a RevealHelpTransformer be constructed?"""
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self.build_transformer()
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def test_reveal_attribute(self):
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"""Make sure the reveal url_prefix resources is set"""
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nb = self.build_notebook()
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res = self.build_resources()
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transformer = self.build_transformer()
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nb, res = transformer(nb, res)
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assert 'reveal' in res
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assert 'url_prefix' in res['reveal']
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def test_reveal_output(self):
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"""Make sure that the reveal transformer """
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nb = self.build_notebook()
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res = self.build_resources()
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transformer = self.build_transformer()
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nb, res = transformer(nb, res)
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cells = nb.worksheets[0].cells
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# Make sure correct metadata tags are available on every cell.
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for cell in cells:
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assert 'slide_type' in cell.metadata
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assert 'align_type' in cell.metadata
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# Make sure slide end is only applied to the cells preceeding slide
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# cells.
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assert 'slide_helper' not in cells[1].metadata
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# Verify 'slide-end'
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assert 'slide_helper' in cells[0].metadata
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self.assertEqual(cells[0].metadata['slide_helper'], 'slide_end')
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assert 'slide_helper' in cells[2].metadata
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self.assertEqual(cells[2].metadata['slide_helper'], 'slide_end')
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assert 'slide_helper' in cells[3].metadata
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self.assertEqual(cells[3].metadata['slide_helper'], 'subslide_end')
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