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- """Tests for SlidesExporter"""
- # Copyright (c) IPython Development Team.
- # Distributed under the terms of the Modified BSD License.
- from nbformat import v4 as nbformat
- from .base import ExportersTestsBase
- from ..slides import SlidesExporter, prepare
- class TestSlidesExporter(ExportersTestsBase):
- """Tests for SlidesExporter"""
- exporter_class = SlidesExporter
- should_include_raw = ['html']
- def test_constructor(self):
- """
- Can a SlidesExporter be constructed?
- """
- SlidesExporter()
- def test_export(self):
- """
- Can a SlidesExporter export something?
- """
- (output, resources) = SlidesExporter().from_filename(self._get_notebook())
- assert len(output) > 0
- def test_export_reveal(self):
- """
- Can a SlidesExporter export using the 'reveal' template?
- """
- (output, resources) = SlidesExporter(template_file='slides_reveal').from_filename(self._get_notebook())
- assert len(output) > 0
- def build_notebook(self):
- """Build a reveal slides notebook in memory for use with tests."""
- outputs = [nbformat.new_output(output_type="stream", name="stdout", text="a")]
- slide_metadata = {'slideshow' : {'slide_type': 'slide'}}
- subslide_metadata = {'slideshow' : {'slide_type': 'subslide'}}
- fragment_metadata = {'slideshow' : {'slide_type': 'fragment'}}
- cells=[nbformat.new_code_cell(source="", execution_count=1, outputs=outputs),
- nbformat.new_markdown_cell(source="", metadata=slide_metadata),
- nbformat.new_code_cell(source="", execution_count=2, outputs=outputs),
- nbformat.new_markdown_cell(source="", metadata=slide_metadata),
- nbformat.new_markdown_cell(source="", metadata=subslide_metadata),
- nbformat.new_markdown_cell(source="", metadata=fragment_metadata),
- nbformat.new_code_cell(source="", execution_count=1, outputs=outputs)]
- return nbformat.new_notebook(cells=cells)
- def test_prepare(self):
- nb = self.build_notebook()
- nb = prepare(nb)
- cells = nb.cells
- # Make sure correct metadata tags are available on every cell.
- for cell in cells:
- assert 'slide_type' in cell.metadata
- # Make sure slide end is only applied to the cells preceeding slide
- # cells.
- assert not cells[1].metadata.get('slide_end', False)
- # Verify 'slide-end'
- assert cells[0].metadata['slide_end']
- assert cells[2].metadata['slide_end']
- assert cells[2].metadata['subslide_end']
- assert not cells[3].metadata.get('slide_end', False)
- assert cells[3].metadata['subslide_end']
- assert cells[-1].metadata['fragment_end']
- assert cells[-1].metadata['subslide_end']
- assert cells[-1].metadata['slide_end']
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