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149 lines
5.0 KiB
149 lines
5.0 KiB
"""Tests for HTMLExporter"""
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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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import re
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from .base import ExportersTestsBase
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from ..html import HTMLExporter
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from traitlets.config import Config
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from nbformat import v4
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class TestHTMLExporter(ExportersTestsBase):
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"""Tests for HTMLExporter"""
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exporter_class = HTMLExporter
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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 HTMLExporter be constructed?
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"""
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HTMLExporter()
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def test_export(self):
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"""
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Can a HTMLExporter export something?
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"""
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(output, resources) = HTMLExporter().from_filename(self._get_notebook())
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assert len(output) > 0
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def test_export_classic(self):
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"""
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Can a HTMLExporter export using the 'classic' template?
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"""
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(output, resources) = HTMLExporter(template_name='classic').from_filename(self._get_notebook())
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assert len(output) > 0
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def test_export_notebook(self):
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"""
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Can a HTMLExporter export using the 'lab' template?
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"""
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(output, resources) = HTMLExporter(template_name='lab').from_filename(self._get_notebook())
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assert len(output) > 0
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def test_prompt_number(self):
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"""
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Does HTMLExporter properly format input and output prompts?
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"""
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(output, resources) = HTMLExporter(template_name='lab').from_filename(
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self._get_notebook(nb_name="prompt_numbers.ipynb"))
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in_regex = r"In \[(.*)\]:"
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out_regex = r"Out\[(.*)\]:"
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ins = ["2", "10", " ", " ", "0"]
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outs = ["10"]
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assert re.findall(in_regex, output) == ins
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assert re.findall(out_regex, output) == outs
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def test_prompt_number(self):
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"""
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Does HTMLExporter properly format input and output prompts?
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"""
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no_prompt_conf = Config(
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{"TemplateExporter":{
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"exclude_input_prompt": True,
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"exclude_output_prompt": True,
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}
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}
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)
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exporter = HTMLExporter(config=no_prompt_conf, template_name='lab')
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(output, resources) = exporter.from_filename(
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self._get_notebook(nb_name="prompt_numbers.ipynb"))
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in_regex = r"In \[(.*)\]:"
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out_regex = r"Out\[(.*)\]:"
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assert not re.findall(in_regex, output)
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assert not re.findall(out_regex, output)
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def test_png_metadata(self):
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"""
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Does HTMLExporter with the 'classic' template treat pngs with width/height metadata correctly?
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"""
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(output, resources) = HTMLExporter(template_name='classic').from_filename(
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self._get_notebook(nb_name="pngmetadata.ipynb"))
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check_for_png = re.compile(r'<img src="[^"]*?"([^>]*?)>')
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result = check_for_png.search(output)
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attr_string = result.group(1)
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assert 'width' in attr_string
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assert 'height' in attr_string
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def test_javascript_output(self):
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nb = v4.new_notebook(
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cells=[
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v4.new_code_cell(
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outputs=[v4.new_output(
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output_type='display_data',
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data={
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'application/javascript': "javascript_output();"
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}
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)]
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)
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]
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)
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(output, resources) = HTMLExporter(template_name='classic').from_notebook_node(nb)
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self.assertIn('javascript_output', output)
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def test_attachments(self):
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(output, resources) = HTMLExporter(template_name='classic').from_file(
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self._get_notebook(nb_name='attachment.ipynb')
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)
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check_for_png = re.compile(r'<img src="[^"]*?"([^>]*?)>')
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result = check_for_png.search(output)
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self.assertTrue(result.group(0).strip().startswith('<img src="data:image/png;base64,iVBOR'))
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self.assertTrue(result.group(1).strip().startswith('alt="image.png"'))
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check_for_data = re.compile(r'<img src="(?P<url>[^"]*?)"')
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results = check_for_data.findall(output)
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assert results[0] != results[1], 'attachments only need to be unique within a cell'
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assert 'image/svg' in results[1], 'second image should use svg'
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def test_custom_filter_highlight_code(self):
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# Overwriting filters takes place at: Exporter.from_notebook_node
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nb = v4.new_notebook()
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nb.cells.append(v4.new_code_cell("some_text"))
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def custom_highlight_code(source, language="python", metadata=None):
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return source + " ADDED_TEXT"
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filters = {
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"highlight_code": custom_highlight_code
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}
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(output, resources) = HTMLExporter(template_name='classic', filters=filters).from_notebook_node(nb)
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self.assertTrue("ADDED_TEXT" in output)
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def test_basic_name(self):
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"""
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Can a HTMLExporter export using the 'basic' template?
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"""
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(output, resources) = HTMLExporter(template_name='basic').from_filename(self._get_notebook())
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assert len(output) > 0
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