550 lines
23 KiB
Python
550 lines
23 KiB
Python
# -*- coding: utf-8 -*-
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"""Test NbConvertApp"""
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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 os
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import io
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import nbformat
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from .base import TestsBase
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from ..postprocessors import PostProcessorBase
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from ..tests.utils import onlyif_cmds_exist
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from nbconvert import nbconvertapp
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from nbconvert.exporters import Exporter
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from traitlets.tests.utils import check_help_all_output
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from testpath import tempdir
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import pytest
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#-----------------------------------------------------------------------------
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# Classes and functions
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#-----------------------------------------------------------------------------
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class DummyPost(PostProcessorBase):
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def postprocess(self, filename):
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print("Dummy:%s" % filename)
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class TestNbConvertApp(TestsBase):
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"""Collection of NbConvertApp tests"""
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def test_notebook_help(self):
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"""Will help show if no notebooks are specified?"""
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with self.create_temp_cwd():
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out, err = self.nbconvert('--log-level 0', ignore_return_code=True)
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self.assertIn("--help-all", out)
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def test_help_output(self):
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"""ipython nbconvert --help-all works"""
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check_help_all_output('nbconvert')
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def test_glob(self):
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"""
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Do search patterns work for notebook names?
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"""
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with self.create_temp_cwd(['notebook*.ipynb']):
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self.nbconvert('--to python *.ipynb --log-level 0')
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assert os.path.isfile('notebook1.py')
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assert os.path.isfile('notebook2.py')
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def test_glob_subdir(self):
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"""
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Do search patterns work for subdirectory notebook names?
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"""
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with self.create_temp_cwd():
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self.copy_files_to(['notebook*.ipynb'], 'subdir/')
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self.nbconvert('--to python --log-level 0 ' +
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os.path.join('subdir', '*.ipynb'))
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assert os.path.isfile(os.path.join('subdir', 'notebook1.py'))
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assert os.path.isfile(os.path.join('subdir', 'notebook2.py'))
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def test_build_dir(self):
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"""build_directory affects export location"""
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with self.create_temp_cwd():
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self.copy_files_to(['notebook*.ipynb'], 'subdir/')
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self.nbconvert('--to python --log-level 0 --output-dir . ' +
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os.path.join('subdir', '*.ipynb'))
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assert os.path.isfile('notebook1.py')
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assert os.path.isfile('notebook2.py')
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def test_convert_full_qualified_name(self):
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"""
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Test that nbconvert can convert file using a full qualified name for a
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package, import and use it.
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"""
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with self.create_temp_cwd():
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self.copy_files_to(['notebook*.ipynb'], 'subdir')
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self.nbconvert('--to nbconvert.tests.fake_exporters.MyExporter --log-level 0 ' +
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os.path.join('subdir', '*.ipynb'))
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assert os.path.isfile(os.path.join('subdir', 'notebook1.test_ext'))
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assert os.path.isfile(os.path.join('subdir', 'notebook2.test_ext'))
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def test_explicit(self):
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"""
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Do explicit notebook names work?
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"""
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with self.create_temp_cwd(['notebook*.ipynb']):
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self.nbconvert('--log-level 0 --to python notebook2')
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assert not os.path.isfile('notebook1.py')
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assert os.path.isfile('notebook2.py')
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def test_clear_output(self):
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"""
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Can we clear outputs?
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"""
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with self.create_temp_cwd(['notebook*.ipynb']) as td:
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self.nbconvert('--clear-output notebook1')
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assert os.path.isfile('notebook1.ipynb')
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with open('notebook1.ipynb', encoding='utf8') as f:
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nb = nbformat.read(f, 4)
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for cell in nb.cells:
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# Skip markdown cells
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if 'outputs' in cell:
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assert cell.outputs == []
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def test_absolute_template_file(self):
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"""--template-file '/path/to/template.tpl'"""
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with self.create_temp_cwd(['notebook*.ipynb']), tempdir.TemporaryDirectory() as td:
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template = os.path.join(td, 'mytemplate.tpl')
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test_output = 'success!'
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with open(template, 'w') as f:
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f.write(test_output)
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self.nbconvert('--log-level 0 notebook2 --to html --template-file %s' % template)
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assert os.path.isfile('notebook2.html')
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with open('notebook2.html') as f:
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text = f.read()
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assert text == test_output
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def test_relative_template_file(self):
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"""Test --template-file 'relative/path.tpl'"""
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with self.create_temp_cwd(['notebook*.ipynb']):
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os.mkdir('relative')
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template = os.path.join('relative', 'path.tpl')
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test_output = 'success!'
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with open(template, 'w') as f:
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f.write(test_output)
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self.nbconvert('--log-level 0 notebook2 --to html --template-file %s' % template)
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assert os.path.isfile('notebook2.html')
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with open('notebook2.html') as f:
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text = f.read()
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assert text == test_output
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@onlyif_cmds_exist('pandoc', 'xelatex')
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def test_filename_spaces(self):
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"""
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Generate PDFs with graphics if notebooks have spaces in the name?
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"""
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with self.create_temp_cwd(['notebook2.ipynb']):
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os.rename('notebook2.ipynb', 'notebook with spaces.ipynb')
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self.nbconvert('--log-level 0 --to pdf'
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' "notebook with spaces"'
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' --PDFExporter.latex_count=1'
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' --PDFExporter.verbose=True'
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)
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assert os.path.isfile('notebook with spaces.pdf')
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def test_webpdf_with_chromium(self):
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"""
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Generate PDFs if chromium allowed to be downloaded?
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"""
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with self.create_temp_cwd(['notebook2.ipynb']):
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self.nbconvert('--to webpdf '
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'--allow-chromium-download '
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'"notebook2"'
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)
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assert os.path.isfile('notebook2.pdf')
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@onlyif_cmds_exist('pandoc', 'xelatex')
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def test_pdf(self):
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"""
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Check to see if pdfs compile, even if strikethroughs are included.
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"""
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with self.create_temp_cwd(['notebook2.ipynb']):
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self.nbconvert('--log-level 0 --to pdf'
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' "notebook2"'
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' --PDFExporter.latex_count=1'
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' --PDFExporter.verbose=True'
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)
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assert os.path.isfile('notebook2.pdf')
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def test_post_processor(self):
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"""Do post processors work?"""
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with self.create_temp_cwd(['notebook1.ipynb']):
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out, err = self.nbconvert('--log-level 0 --to python notebook1 '
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'--post nbconvert.tests.test_nbconvertapp.DummyPost')
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self.assertIn('Dummy:notebook1.py', out)
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@onlyif_cmds_exist('pandoc')
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def test_spurious_cr(self):
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"""Check for extra CR characters"""
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with self.create_temp_cwd(['notebook2.ipynb']):
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self.nbconvert('--log-level 0 --to latex notebook2')
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assert os.path.isfile('notebook2.tex')
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with open('notebook2.tex') as f:
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tex = f.read()
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self.nbconvert('--log-level 0 --to html notebook2')
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assert os.path.isfile('notebook2.html')
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with open('notebook2.html') as f:
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html = f.read()
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self.assertEqual(tex.count('\r'), tex.count('\r\n'))
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self.assertEqual(html.count('\r'), html.count('\r\n'))
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@onlyif_cmds_exist('pandoc')
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def test_png_base64_html_ok(self):
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"""Is embedded png data well formed in HTML?"""
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with self.create_temp_cwd(['notebook2.ipynb']):
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self.nbconvert('--log-level 0 --to HTML '
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'notebook2.ipynb --template lab')
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assert os.path.isfile('notebook2.html')
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with open('notebook2.html') as f:
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assert "data:image/png;base64,b'" not in f.read()
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@onlyif_cmds_exist('pandoc')
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def test_template(self):
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"""
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Do export templates work?
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"""
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with self.create_temp_cwd(['notebook2.ipynb']):
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self.nbconvert('--log-level 0 --to slides '
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'notebook2.ipynb')
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assert os.path.isfile('notebook2.slides.html')
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with open('notebook2.slides.html') as f:
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assert '/reveal.css' in f.read()
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def test_output_ext(self):
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"""test --output=outputfile[.ext]"""
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with self.create_temp_cwd(['notebook1.ipynb']):
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self.nbconvert('--log-level 0 --to python '
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'notebook1.ipynb --output nb.py')
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assert os.path.exists('nb.py')
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self.nbconvert('--log-level 0 --to python '
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'notebook1.ipynb --output nb2')
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assert os.path.exists('nb2.py')
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def test_glob_explicit(self):
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"""
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Can a search pattern be used along with matching explicit notebook names?
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"""
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with self.create_temp_cwd(['notebook*.ipynb']):
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self.nbconvert('--log-level 0 --to python '
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'*.ipynb notebook1.ipynb notebook2.ipynb')
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assert os.path.isfile('notebook1.py')
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assert os.path.isfile('notebook2.py')
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def test_explicit_glob(self):
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"""
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Can explicit notebook names be used and then a matching search pattern?
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"""
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with self.create_temp_cwd(['notebook*.ipynb']):
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self.nbconvert('--log-level 0 --to=python '
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'notebook1.ipynb notebook2.ipynb *.ipynb')
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assert os.path.isfile('notebook1.py')
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assert os.path.isfile('notebook2.py')
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def test_default_config(self):
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"""
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Does the default config work?
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"""
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with self.create_temp_cwd(['notebook*.ipynb', 'jupyter_nbconvert_config.py']):
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self.nbconvert('--log-level 0')
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assert os.path.isfile('notebook1.py')
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assert not os.path.isfile('notebook2.py')
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def test_override_config(self):
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"""
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Can the default config be overridden?
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"""
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with self.create_temp_cwd(['notebook*.ipynb',
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'jupyter_nbconvert_config.py',
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'override.py']):
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self.nbconvert('--log-level 0 --config="override.py"')
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assert not os.path.isfile('notebook1.py')
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assert os.path.isfile('notebook2.py')
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def test_accents_in_filename(self):
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"""
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Can notebook names include accents?
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"""
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with self.create_temp_cwd():
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self.create_empty_notebook(u'nb1_análisis.ipynb')
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self.nbconvert('--log-level 0 --to Python nb1_*')
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assert os.path.isfile(u'nb1_análisis.py')
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@onlyif_cmds_exist('xelatex', 'pandoc')
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def test_filename_accent_pdf(self):
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"""
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Generate PDFs if notebooks have an accent in their name?
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"""
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with self.create_temp_cwd():
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self.create_empty_notebook(u'nb1_análisis.ipynb')
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self.nbconvert('--log-level 0 --to pdf "nb1_*"'
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' --PDFExporter.latex_count=1'
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' --PDFExporter.verbose=True')
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assert os.path.isfile(u'nb1_análisis.pdf')
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def test_cwd_plugin(self):
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"""
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Verify that an extension in the cwd can be imported.
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"""
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with self.create_temp_cwd(['hello.py']):
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self.create_empty_notebook(u'empty.ipynb')
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self.nbconvert('empty --to html --NbConvertApp.writer_class=\'hello.HelloWriter\'')
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assert os.path.isfile(u'hello.txt')
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def test_output_suffix(self):
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"""
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Verify that the output suffix is applied
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"""
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with self.create_temp_cwd():
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self.create_empty_notebook('empty.ipynb')
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self.nbconvert('empty.ipynb --to notebook')
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assert os.path.isfile('empty.nbconvert.ipynb')
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def test_different_build_dir(self):
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"""
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Verify that the output suffix is not applied
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"""
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with self.create_temp_cwd():
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self.create_empty_notebook('empty.ipynb')
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os.mkdir('output')
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self.nbconvert(
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'empty.ipynb --to notebook '
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'--FilesWriter.build_directory=output')
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assert os.path.isfile('output/empty.ipynb')
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def test_inplace(self):
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"""
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Verify that the notebook is converted in place
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"""
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with self.create_temp_cwd():
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self.create_empty_notebook('empty.ipynb')
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self.nbconvert('empty.ipynb --inplace')
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assert os.path.isfile('empty.ipynb')
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assert not os.path.isfile('empty.nbconvert.ipynb')
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assert not os.path.isfile('empty.html')
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def test_no_prompt(self):
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"""
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Verify that the html has no prompts when given --no-prompt.
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"""
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with self.create_temp_cwd(["notebook1.ipynb"]):
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self.nbconvert('notebook1.ipynb --log-level 0 --no-prompt --to html')
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assert os.path.isfile('notebook1.html')
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with open("notebook1.html",'r') as f:
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text = f.read()
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assert "In [" not in text
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assert "Out[6]" not in text
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self.nbconvert('notebook1.ipynb --log-level 0 --to html')
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assert os.path.isfile('notebook1.html')
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with open("notebook1.html",'r') as f:
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text2 = f.read()
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assert "In [" in text2
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assert "Out[6]" in text2
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def test_cell_tag_output(self):
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"""
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Verify that the html has tags in cell attributes if they exist.
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"""
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with self.create_temp_cwd(["notebook_tags.ipynb"]):
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self.nbconvert('notebook_tags.ipynb --log-level 0 --to html')
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assert os.path.isfile('notebook_tags.html')
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with open("notebook_tags.html",'r') as f:
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text = f.read()
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assert 'celltag_mycelltag celltag_mysecondcelltag' in text
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assert 'celltag_mymarkdowncelltag' in text
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def test_no_input(self):
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"""
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Verify that the html has no input when given --no-input.
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"""
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with self.create_temp_cwd(["notebook1.ipynb"]):
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self.nbconvert('notebook1.ipynb --log-level 0 --no-input --to html')
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assert os.path.isfile('notebook1.html')
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with open("notebook1.html",'r') as f:
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text = f.read()
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assert "In [" not in text
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assert "Out[6]" not in text
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assert ('<span class="n">x</span>'
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'<span class="p">,</span>'
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'<span class="n">y</span>'
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'<span class="p">,</span>'
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'<span class="n">z</span> '
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'<span class="o">=</span> '
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'<span class="n">symbols</span>'
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'<span class="p">(</span>'
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'<span class="s1">'x y z'</span>'
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'<span class="p">)</span>') not in text
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self.nbconvert('notebook1.ipynb --log-level 0 --to html')
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assert os.path.isfile('notebook1.html')
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with open("notebook1.html",'r') as f:
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text2 = f.read()
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assert "In [" in text2
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assert "Out[6]" in text2
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assert ('<span class="n">x</span>'
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'<span class="p">,</span>'
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'<span class="n">y</span>'
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'<span class="p">,</span>'
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'<span class="n">z</span> '
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'<span class="o">=</span> '
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'<span class="n">symbols</span>'
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'<span class="p">(</span>'
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'<span class="s1">'x y z'</span>'
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'<span class="p">)</span>') in text2
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def test_allow_errors(self):
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"""
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Verify that conversion is aborted with '--execute' if an error is
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encountered, but that conversion continues if '--allow-errors' is
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used in addition.
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"""
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with self.create_temp_cwd(['notebook3*.ipynb']):
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# Convert notebook containing a cell that raises an error,
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# both without and with cell execution enabled.
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output1, _ = self.nbconvert('--to markdown --stdout notebook3*.ipynb') # no cell execution
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output2, _ = self.nbconvert('--to markdown --allow-errors --stdout notebook3*.ipynb') # no cell execution; --allow-errors should have no effect
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output3, _ = self.nbconvert('--execute --allow-errors --to markdown --stdout notebook3*.ipynb') # with cell execution; errors are allowed
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# Un-executed outputs should not contain either
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# of the two numbers computed in the notebook.
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assert '23' not in output1
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assert '42' not in output1
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assert '23' not in output2
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assert '42' not in output2
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# Executed output should contain both numbers.
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assert '23' in output3
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assert '42' in output3
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# Executing the notebook should raise an exception if --allow-errors is not specified
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with pytest.raises(OSError):
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self.nbconvert('--execute --to markdown --stdout notebook3*.ipynb')
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def test_errors_print_traceback(self):
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"""
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Verify that the stderr output contains the traceback of the cell execution exception.
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"""
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with self.create_temp_cwd(['notebook3_with_errors.ipynb']):
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_, error_output = self.nbconvert('--execute --to markdown --stdout notebook3_with_errors.ipynb',
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ignore_return_code=True)
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assert 'print("Some text before the error")' in error_output
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assert 'raise RuntimeError("This is a deliberate exception")' in error_output
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assert 'RuntimeError: This is a deliberate exception' in error_output
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def test_fenced_code_blocks_markdown(self):
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"""
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Verify that input cells use fenced code blocks with the language
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name in nb.metadata.kernelspec.language, if that exists
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"""
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with self.create_temp_cwd(["notebook1*.ipynb"]):
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# this notebook doesn't have nb.metadata.kernelspec, so it should
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# just do a fenced code block, with no language
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output1, _ = self.nbconvert('--to markdown --stdout notebook1.ipynb')
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assert '```python' not in output1 # shouldn't have language
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assert "```" in output1 # but should have fenced blocks
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with self.create_temp_cwd(["notebook_jl*.ipynb"]):
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output2, _ = self.nbconvert('--to markdown --stdout notebook_jl.ipynb')
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assert '```julia' in output2 # shouldn't have language
|
|
assert "```" in output2 # but should also plain ``` to close cell
|
|
|
|
def test_convert_from_stdin_to_stdout(self):
|
|
"""
|
|
Verify that conversion can be done via stdin to stdout
|
|
"""
|
|
with self.create_temp_cwd(["notebook1.ipynb"]):
|
|
with io.open('notebook1.ipynb') as f:
|
|
notebook = f.read().encode()
|
|
output1, _ = self.nbconvert('--to markdown --stdin --stdout', stdin=notebook)
|
|
assert '```python' not in output1 # shouldn't have language
|
|
assert "```" in output1 # but should have fenced blocks
|
|
|
|
def test_convert_from_stdin(self):
|
|
"""
|
|
Verify that conversion can be done via stdin.
|
|
"""
|
|
with self.create_temp_cwd(["notebook1.ipynb"]):
|
|
with io.open('notebook1.ipynb') as f:
|
|
notebook = f.read().encode()
|
|
self.nbconvert('--to markdown --stdin', stdin=notebook)
|
|
assert os.path.isfile("notebook.md") # default name for stdin input
|
|
with io.open('notebook.md') as f:
|
|
output1 = f.read()
|
|
assert '```python' not in output1 # shouldn't have language
|
|
assert "```" in output1 # but should have fenced blocks
|
|
|
|
@onlyif_cmds_exist('pandoc', 'xelatex')
|
|
def test_linked_images(self):
|
|
"""
|
|
Generate PDFs with an image linked in a markdown cell
|
|
"""
|
|
with self.create_temp_cwd(['latex-linked-image.ipynb', 'testimage.png']):
|
|
self.nbconvert('--to pdf latex-linked-image.ipynb')
|
|
assert os.path.isfile('latex-linked-image.pdf')
|
|
|
|
@onlyif_cmds_exist('pandoc')
|
|
def test_embedded_jpeg(self):
|
|
"""
|
|
Verify that latex conversion succeeds
|
|
with a notebook with an embedded .jpeg
|
|
"""
|
|
with self.create_temp_cwd(['notebook4_jpeg.ipynb',
|
|
'containerized_deployments.jpeg']):
|
|
self.nbconvert('--to latex notebook4_jpeg.ipynb')
|
|
assert os.path.isfile('notebook4_jpeg.tex')
|
|
|
|
@onlyif_cmds_exist('pandoc')
|
|
def test_markdown_display_priority(self):
|
|
"""
|
|
Check to see if markdown conversion embeds PNGs,
|
|
even if an (unsupported) PDF is present.
|
|
"""
|
|
with self.create_temp_cwd(['markdown_display_priority.ipynb']):
|
|
self.nbconvert('--log-level 0 --to markdown '
|
|
'"markdown_display_priority.ipynb"')
|
|
assert os.path.isfile('markdown_display_priority.md')
|
|
with io.open('markdown_display_priority.md') as f:
|
|
markdown_output = f.read()
|
|
assert ("markdown_display_priority_files/"
|
|
"markdown_display_priority_0_1.png") in markdown_output
|
|
|
|
@onlyif_cmds_exist('pandoc')
|
|
def test_write_figures_to_custom_path(self):
|
|
"""
|
|
Check if figure files are copied to configured path.
|
|
"""
|
|
|
|
def fig_exists(path):
|
|
return (len(os.listdir(path)) > 0)
|
|
|
|
# check absolute path
|
|
with self.create_temp_cwd(['notebook4_jpeg.ipynb',
|
|
'containerized_deployments.jpeg']):
|
|
output_dir = tempdir.TemporaryDirectory()
|
|
path = os.path.join(output_dir.name, 'files')
|
|
self.nbconvert(
|
|
'--log-level 0 notebook4_jpeg.ipynb --to rst '
|
|
'--NbConvertApp.output_files_dir={}'
|
|
.format(path))
|
|
assert fig_exists(path)
|
|
output_dir.cleanup()
|
|
|
|
# check relative path
|
|
with self.create_temp_cwd(['notebook4_jpeg.ipynb',
|
|
'containerized_deployments.jpeg']):
|
|
self.nbconvert(
|
|
'--log-level 0 notebook4_jpeg.ipynb --to rst '
|
|
'--NbConvertApp.output_files_dir=output')
|
|
assert fig_exists('output')
|
|
|
|
# check default path with notebook name
|
|
with self.create_temp_cwd(['notebook4_jpeg.ipynb',
|
|
'containerized_deployments.jpeg']):
|
|
self.nbconvert(
|
|
'--log-level 0 notebook4_jpeg.ipynb --to rst')
|
|
assert fig_exists('notebook4_jpeg_files')
|