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# coding=utf-8
"""
Test Inkex command launching functionality.
"""
import os
import tempfile
import pytest
import sys
from inkex.tester import BaseCase, TestCase
from inkex.command import (
ProgramRunError,
which,
write_svg,
to_arg,
to_args,
call,
inkscape,
inkscape_command,
take_snapshot,
)
from pathlib import Path
class CommandTest(BaseCase):
"""Test command API"""
@pytest.mark.skipif(
sys.platform == "win32", reason="gunzip doesn't exist on windows"
)
def test_binary_call(self):
"""Calls should allow binary stdin"""
# https://gitlab.com/inkscape/extensions/-/commit/2e504f2a3f6bb627f17b267c5623a71005d7234d#note_164780678
binary = (
b"\x1f\x8b\x08\x00eh\xc3\\\x02\xffK\xcb\xcf\x07\x00!es\x8c\x03\x00\x00\x00"
)
stdout = call("gunzip", stdin=binary)
def test_command_error(self):
"""Call to test ProgramRunError"""
with self.assertRaises(ProgramRunError) as cm:
call("python", "nonexistent_file")
exc = cm.exception
self.assertIsInstance(exc, ProgramRunError)
self.assertEqual(exc.returncode, 2)
self.assertIn("can't open file", exc.stderr.decode("utf8"))
self.assertEqual("", exc.stdout.decode("utf8"))
self.assertIn("can't open file", str(exc))
class InkscapeCommandTest(TestCase):
def test_inkscape_command(self):
"""Test inkscape_command("<svg>", ...)"""
svg = b"""<svg xmlns="http://www.w3.org/2000/svg" width="100mm" height="100mm" viewBox="0 0 100 100"><path id="path1" d="M 0, 0 0, 100 100, 50 z" /><path id="path2" d="M 100, 0 100, 20 80, 0 z" /></svg>"""
out1 = inkscape_command(svg, export_id="path1", export_id_only=True).strip()
self.assertNotEqual(out1, svg)
self.assertIn(b"path1", out1)
self.assertNotIn(b"path2", out1)
# reapply again to compare both outputs
out2 = inkscape_command(out1).strip()
self.assertEqual(out2, out1)
def test_inkscape_command_export(self):
"""Test inkscape_command("<svg>", actions=...)"""
svg = b"""<svg xmlns="http://www.w3.org/2000/svg" width="100mm" height="100mm" viewBox="0 0 100 100"><path d="M 0, 0" /></svg>"""
tmpfile = Path(self.tempdir) / "test.svg"
actions = f"export-filename:{tmpfile};export-do;"
out = inkscape_command(svg, actions=actions)
self.assertTrue(os.path.isfile(tmpfile))
def test_long_action_string(self):
"""Test for https://gitlab.com/inkscape/extensions/-/issues/482 (export)"""
tmpfile = Path(self.tempdir) / "test.png"
args = {
"actions": (
"select-clear;" * 1000
+ f"export-id:r1;export-filename:{tmpfile};export-do;"
)
}
out = inkscape("tests/data/svg/shapes.svg", **args)
self.assertEqual(out.strip(), "")
self.assertTrue(os.path.isfile(tmpfile))
def test_long_action_string_stdout(self):
"""Test for https://gitlab.com/inkscape/extensions/-/issues/482 with stdout"""
args = {"actions": "select-clear;" * 1000 + "select-by-id:r1;query-x;query-y;"}
# Need to provide a different svg so the call IDs are unique
out = inkscape("tests/data/svg/shapes_no_text.svg", **args)
self.assertEqual(out.splitlines()[0], "100")
self.assertEqual(out.splitlines()[1], "200")
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