Vehicle-Anti-Theft-Face-Rec.../venv/Lib/site-packages/nbconvert/exporters/tests/test_html.py

148 lines
5 KiB
Python

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