2022-05-23 00:16:32 +04:00

68 lines
2.0 KiB
Python

"""Tests for RSTExporter"""
# Copyright (c) IPython Development Team.
# Distributed under the terms of the Modified BSD License.
import re
import nbformat
from nbformat import v4
from ...tests.utils import onlyif_cmds_exist
from ..rst import RSTExporter
from .base import ExportersTestsBase
class TestRSTExporter(ExportersTestsBase):
"""Tests for RSTExporter"""
exporter_class = RSTExporter
should_include_raw = ["rst"]
def test_constructor(self):
"""
Can a RSTExporter be constructed?
"""
RSTExporter()
@onlyif_cmds_exist("pandoc")
def test_export(self):
"""
Can a RSTExporter export something?
"""
(output, resources) = RSTExporter().from_filename(self._get_notebook())
assert len(output) > 0
@onlyif_cmds_exist("pandoc")
def test_empty_code_cell(self):
"""No empty code cells in rst"""
nbname = self._get_notebook()
with open(nbname, encoding="utf8") as f:
nb = nbformat.read(f, 4)
exporter = self.exporter_class()
(output, resources) = exporter.from_notebook_node(nb)
# add an empty code cell
nb.cells.append(v4.new_code_cell(source=""))
(output2, resources) = exporter.from_notebook_node(nb)
# adding an empty code cell shouldn't change output
self.assertEqual(output.strip(), output2.strip())
@onlyif_cmds_exist("pandoc")
def test_png_metadata(self):
"""
Does RSTExporter treat pngs with width/height metadata correctly?
"""
(output, resources) = RSTExporter().from_filename(
self._get_notebook(nb_name="pngmetadata.ipynb")
)
assert len(output) > 0
check_for_png = re.compile(r".. image::.*?\n\s+(.*?)\n\s*\n", re.DOTALL)
result = check_for_png.search(output)
assert result is not None
attr_string = result.group(1)
assert ":width:" in attr_string
assert ":height:" in attr_string
assert "px" in attr_string