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"""Tests for the svg2pdf preprocessor"""
# Copyright (c) IPython Development Team.
# Distributed under the terms of the Modified BSD License.
from unittest.mock import patch
from nbformat import v4 as nbformat
from nbconvert.preprocessors.svg2pdf import SVG2PDFPreprocessor
from tests.testutils import onlyif_cmds_exist
from .base import PreprocessorTestsBase
class Testsvg2pdf(PreprocessorTestsBase):
"""Contains test functions for svg2pdf.py"""
simple_svg = """<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!-- Created with Inkscape (http://www.inkscape.org/) -->
<svg
xmlns:svg="http://www.w3.org/2000/svg"
xmlns="http://www.w3.org/2000/svg"
version="1.0"
x="0.00000000"
y="0.00000000"
width="500.00000"
height="500.00000"
id="svg2">
<defs
id="defs4" />
<g
id="layer1">
<rect
width="300.00000"
height="300.00000"
x="100.00000"
y="100.00000"
style="opacity:1.0000000;fill:none;fill-opacity:1.0000000;fill-rule:evenodd;stroke:#000000;stroke-width:8.0000000;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4.0000000;stroke-dasharray:none;stroke-dashoffset:0.00000000;stroke-opacity:1.0000000"
id="rect5719" />
</g>
</svg>"""
def build_notebook(self):
"""Build a reveal slides notebook in memory for use with tests.
Overrides base in PreprocessorTestsBase"""
outputs = [
nbformat.new_output(output_type="display_data", data={"image/svg+xml": self.simple_svg})
]
cells = [nbformat.new_code_cell(source="", execution_count=1, outputs=outputs)]
return nbformat.new_notebook(cells=cells)
def build_preprocessor(self, **kwargs):
"""Make an instance of a preprocessor"""
preprocessor = SVG2PDFPreprocessor(**kwargs)
preprocessor.enabled = True
return preprocessor
def test_constructor(self):
"""Can a SVG2PDFPreprocessor be constructed?"""
self.build_preprocessor()
@onlyif_cmds_exist("inkscape")
def test_output(self):
"""Test the output of the SVG2PDFPreprocessor"""
nb = self.build_notebook()
res = self.build_resources()
preprocessor = self.build_preprocessor()
nb, res = preprocessor(nb, res)
self.assertIn("application/pdf", nb.cells[0].outputs[0].data)
@onlyif_cmds_exist("inkscape")
@patch("subprocess.Popen")
def test_inkscape_version_default(self, mock_popen):
mock_popen().communicate.return_value = (b"Inkscape 0.92.3 (2405546, 2018-03-11)", b"")
mock_popen().returncode = 0
preprocessor = self.build_preprocessor()
assert preprocessor.inkscape_version == "0.92.3"
def test_inkscape_pre_v1_command(self):
preprocessor = self.build_preprocessor(inkscape="fake-inkscape", inkscape_version="0.92.3")
assert preprocessor.command == [
"fake-inkscape",
"--without-gui",
"--export-pdf={to_filename}",
"{from_filename}",
]
def test_inkscape_v1_command(self):
preprocessor = self.build_preprocessor(
inkscape="fake-inkscape", inkscape_version="1.0beta2"
)
assert preprocessor.command == [
"fake-inkscape",
"--export-filename={to_filename}",
"{from_filename}",
]
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