Uploaded Test files

venv/Lib/site-packages/nbconvert/exporters/tests/test_slides.py

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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, _RevealMetadataPreprocessor 
+
+
+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().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_metadata_preprocessor(self):
+        preprocessor = _RevealMetadataPreprocessor()
+        nb = self.build_notebook()
+        nb, resources = preprocessor.preprocess(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']