82 lines
2.9 KiB
Python
82 lines
2.9 KiB
Python
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"""Tests for SlidesExporter"""
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# Copyright (c) IPython Development Team.
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# Distributed under the terms of the Modified BSD License.
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from nbformat import v4 as nbformat
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from .base import ExportersTestsBase
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from ..slides import SlidesExporter, _RevealMetadataPreprocessor
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class TestSlidesExporter(ExportersTestsBase):
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"""Tests for SlidesExporter"""
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exporter_class = SlidesExporter
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should_include_raw = ['html']
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def test_constructor(self):
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"""
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Can a SlidesExporter be constructed?
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"""
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SlidesExporter()
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def test_export(self):
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"""
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Can a SlidesExporter export something?
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"""
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(output, resources) = SlidesExporter().from_filename(self._get_notebook())
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assert len(output) > 0
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def test_export_reveal(self):
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"""
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Can a SlidesExporter export using the 'reveal' template?
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"""
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(output, resources) = SlidesExporter().from_filename(self._get_notebook())
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assert len(output) > 0
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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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outputs = [nbformat.new_output(output_type="stream", name="stdout", 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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fragment_metadata = {'slideshow' : {'slide_type': 'fragment'}}
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cells=[nbformat.new_code_cell(source="", execution_count=1, outputs=outputs),
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nbformat.new_markdown_cell(source="", metadata=slide_metadata),
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nbformat.new_code_cell(source="", execution_count=2, outputs=outputs),
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nbformat.new_markdown_cell(source="", metadata=slide_metadata),
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nbformat.new_markdown_cell(source="", metadata=subslide_metadata),
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nbformat.new_markdown_cell(source="", metadata=fragment_metadata),
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nbformat.new_code_cell(source="", execution_count=1, outputs=outputs)]
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return nbformat.new_notebook(cells=cells)
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def test_metadata_preprocessor(self):
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preprocessor = _RevealMetadataPreprocessor()
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nb = self.build_notebook()
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nb, resources = preprocessor.preprocess(nb)
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cells = nb.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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# Make sure slide end is only applied to the cells preceeding slide
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# cells.
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assert not cells[1].metadata.get('slide_end', False)
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# Verify 'slide-end'
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assert cells[0].metadata['slide_end']
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assert cells[2].metadata['slide_end']
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assert cells[2].metadata['subslide_end']
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assert not cells[3].metadata.get('slide_end', False)
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assert cells[3].metadata['subslide_end']
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assert cells[-1].metadata['fragment_end']
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assert cells[-1].metadata['subslide_end']
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assert cells[-1].metadata['slide_end']
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