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inkscape/share/extensions/tests/test_inkex_base.py
Daniel Baumann 02d935e272
Adding upstream version 1.4.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 23:40:13 +02:00

218 lines
7.8 KiB
Python

# coding=utf-8
"""Test base inkex module functionality"""
from __future__ import absolute_import, print_function, unicode_literals
import os
import sys
from io import BytesIO
from inkex import AbortExtension, SvgDocumentElement
from inkex.base import InkscapeExtension, SvgThroughMixin
from inkex.tester import TestCase
from inkex.tester.mock import Capture
class ModExtension(InkscapeExtension):
"""A non-svg extension that loads, saves and flipples"""
def effect(self):
self.document += b">flipple"
def load(self, stream):
return stream.read()
def save(self, stream):
stream.write(self.document)
class NoModSvgExtension(SvgThroughMixin, InkscapeExtension):
"""Test the loading and not-saving of non-modified svg files"""
def effect(self):
return True
class ModSvgExtension(SvgThroughMixin, InkscapeExtension):
"""Test the loading and saving of svg files"""
def effect(self):
self.svg.set("attr", "foo")
class InkscapeExtensionTest(TestCase):
"""Tests for Inkscape Extensions"""
effect_class = InkscapeExtension
def setUp(self):
self.e = self.effect_class()
def test_bare_bones(self):
"""What happens when we don't inherit"""
with self.assertRaises(NotImplementedError):
self.e.run([])
with self.assertRaises(NotImplementedError):
prevarg = sys.argv
sys.argv = ["pytest"]
try:
self.e.run()
finally:
sys.argv = prevarg
with self.assertRaises(NotImplementedError):
self.e.effect()
with self.assertRaises(NotImplementedError):
self.e.load(sys.stdin)
with self.assertRaises(NotImplementedError):
self.e.save(sys.stdout)
self.assertEqual(self.e.name, "InkscapeExtension")
def test_compat(self):
"""Test a few old functions and how we handle them"""
with self.assertRaises(AttributeError):
self.assertEqual(self.e.OptionParser, None)
with self.assertRaises(AttributeError):
self.assertEqual(self.e.affect(), None)
def test_arg_parser_defaults(self):
"""Test arguments for the base class are given defaults"""
options = self.e.arg_parser.parse_args([])
self.assertEqual(options.input_file, None)
self.assertEqual(options.output, None)
def test_arg_parser_passed(self):
"""Test arguments for the base class are parsed"""
options = self.e.arg_parser.parse_args(["--output", "foo.txt", self.empty_svg])
self.assertEqual(options.input_file, self.empty_svg)
self.assertEqual(options.output, "foo.txt")
def test_run_help(self):
"""Ensure we can run `--help` and output contains '--help'"""
with Capture("stdout") as stdout:
with self.assertRaises(SystemExit):
self.e.run(["--help"])
self.assertIn("--help", stdout.getvalue())
def test_get_resource(self):
"""We can get a resource path, based on where the extension is located"""
ext = ModExtension()
self.assertRaises(AbortExtension, ext.get_resource, "sir-not-apearing.py")
# Test relative filename, which fails with AbortExtension if not found.
ret = ext.get_resource(__file__)
# Test absolute filename, which we already have, so just feed it back.
self.assertEqual(ext.get_resource(ret), ret)
def test_svg_path(self):
"""Can get the svg file location"""
output = os.path.join(self.tempdir, "output.tmp")
ext = ModExtension()
os.environ["DOCUMENT_PATH"] = self.empty_svg
self.assertEqual(ext.svg_path(), os.path.join(self.datadir(), "svg"))
self.assertIn(ext.absolute_href("/foo"), ["/foo", "C:\\foo"])
self.assertEqual(
ext.absolute_href("./foo"), os.path.join(self.datadir(), "svg", "foo")
)
self.assertEqual(
ext.absolute_href("~/foo"), os.path.realpath(os.path.expanduser("~/foo"))
)
def test_svg_no_path(self):
tmp_foo = os.path.realpath("/tmp/foo")
os.environ["DOCUMENT_PATH"] = ""
ext = ModExtension()
# Default results in home dir
self.assertEqual(
ext.absolute_href("./foo"), os.path.realpath(os.path.expanduser("~/foo"))
)
# Or override the default
self.assertEqual(ext.absolute_href("./foo", "/tmp/"), tmp_foo)
# But we can ask for errors too, this one for "document not saved"
self.assertRaises(AbortExtension, ext.absolute_href, "./foo", default=None)
# This covers inkscape old versions
del os.environ["DOCUMENT_PATH"]
self.assertRaises(AbortExtension, ext.absolute_href, "./foo", default=None)
class TestArgumentDatatypes(TestCase):
"""Test special argument types for the dataparser"""
def test_page_descriptor(self):
"""Test that page descriptions are parsed correctly"""
def parsetest(string, length, comparison, startvalue=1):
result = InkscapeExtension.arg_number_ranges()
self.assertTupleEqual(
result(string)(length, startvalue=startvalue), comparison
)
parsetest("1, 2,3", 10, (1, 2, 3))
parsetest("1-3, 5, 10", 10, (1, 2, 3, 5, 10))
parsetest("2, 4-, 6, 7-", 10, (2, 4, 5, 6, 7, 8, 9, 10))
parsetest("2-5, 7-9, 10-", 12, (2, 3, 4, 5, 7, 8, 9, 10, 11, 12))
parsetest("6, 7, 8", 3, tuple())
parsetest("2, 216-218, 10", 300, (2, 10, 216, 217, 218))
parsetest("-3,10-,5", 12, (1, 2, 3, 5, 10, 11, 12))
parsetest("-5, 7-", 7, (3, 4, 5, 7), 3)
parsetest("-", 7, (), 3)
class SvgInputOutputTest(TestCase):
"""Test SVG Input Mixin"""
def test_input_mixin(self):
"""Test svg input gets loaded"""
obj = NoModSvgExtension()
obj.run([self.empty_svg])
self.assertNotEqual(obj.document, None)
self.assertNotEqual(obj.original_document, None)
def test_no_output(self):
"""Test svg output isn't saved when not modified"""
obj = NoModSvgExtension()
filename = self.temp_file(suffix=".svg")
obj.run(["--output", filename, self.empty_svg])
self.assertEqual(type(obj.document).__name__, "_ElementTree")
self.assertEqual(type(obj.svg).__name__, "SvgDocumentElement")
self.assertFalse(os.path.isfile(filename))
def test_svg_output(self):
"""Test svg output is saved"""
obj = ModSvgExtension()
filename = self.temp_file(suffix=".svg")
obj.run(["--output", filename, self.empty_svg])
self.assertTrue(os.path.isfile(filename))
with open(filename, "r") as fhl:
self.assertIn("<svg", fhl.read())
def test_str_document(self):
"""Document is saved even if it's not bytes"""
obj = ModSvgExtension()
obj.document = b"foo"
obj.save(BytesIO())
obj.document = "foo"
ret = BytesIO()
obj.save(ret)
self.assertEqual(ret.getvalue(), b"foo")
class ParserTests(TestCase):
"""Test special parsing cases"""
def test_bad_namespace(self):
"""Ignore bad namespaces, https://gitlab.com/inkscape/extensions/-/issues/465"""
svg = (
'<?xml version="1.0" encoding="UTF-8" standalone="no"?>'
'<svg xmlns:ns="&amp;#38;#38;ns_ai;"></svg>'
)
filename = self.temp_file(suffix=".svg")
with open(filename, "w") as file:
file.write(svg)
with Capture("stderr") as stderr:
obj = NoModSvgExtension()
obj.run([filename])
# Test that the extension runs completely, and the document gets loaded
self.assertTrue(isinstance(obj.svg, SvgDocumentElement))
# Test that the error is presented to the user
self.assertIn("is not a valid URI", stderr.getvalue())