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kpex/FasterCap: added "slow" Testcase for integration test suite
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# | ||
# -------------------------------------------------------------------------------- | ||
# SPDX-FileCopyrightText: 2024 Martin Jan Köhler and Harald Pretl | ||
# Johannes Kepler University, Institute for Integrated Circuits. | ||
# | ||
# This file is part of KPEX | ||
# (see https://github.com/martinjankoehler/klayout-pex). | ||
# | ||
# This program is free software: you can redistribute it and/or modify | ||
# it under the terms of the GNU General Public License as published by | ||
# the Free Software Foundation, either version 3 of the License, or | ||
# (at your option) any later version. | ||
# | ||
# This program is distributed in the hope that it will be useful, | ||
# but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
# GNU General Public License for more details. | ||
# | ||
# You should have received a copy of the GNU General Public License | ||
# along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
# SPDX-License-Identifier: GPL-3.0-or-later | ||
# -------------------------------------------------------------------------------- | ||
# | ||
from __future__ import annotations | ||
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import io | ||
import json | ||
import tempfile | ||
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import allure | ||
import csv_diff | ||
import os | ||
import pytest | ||
from typing import * | ||
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import klayout.db as kdb | ||
import klayout.lay as klay | ||
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from klayout_pex.kpex_cli import KpexCLI | ||
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CSVPath = str | ||
PNGPath = str | ||
parent_suite = "kpex/FasterCap Extraction Tests" | ||
tags = ("PEX", "FasterCap", "Maxwell") | ||
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def _kpex_pdk_dir() -> str: | ||
return os.path.realpath(os.path.join(__file__, '..', '..', '..', | ||
'pdk', 'sky130A', 'libs.tech', 'kpex')) | ||
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def _sky130a_testdata_dir() -> str: | ||
return os.path.realpath(os.path.join(__file__, '..', '..', '..', | ||
'testdata', 'designs', 'sky130A')) | ||
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def _gds(*path_components) -> str: | ||
return os.path.join(_sky130a_testdata_dir(), *path_components) | ||
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def _save_layout_preview(gds_path: str, | ||
output_png_path: str): | ||
kdb.Technology.clear_technologies() | ||
default_lyt_path = os.path.abspath(f"{_kpex_pdk_dir()}/sky130A.lyt") | ||
tech = kdb.Technology.create_technology('sky130A') | ||
tech.load(default_lyt_path) | ||
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lv = klay.LayoutView() | ||
lv.load_layout(gds_path) | ||
lv.max_hier() | ||
lv.set_config('background-color', '#000000') | ||
lv.set_config('bitmap-oversampling', '1') | ||
lv.set_config('default-font-size', '4') | ||
lv.set_config('default-text-size', '0.1') | ||
lv.save_image_with_options( | ||
output_png_path, | ||
width=4096, height=2160 | ||
# , | ||
# linewidth=2, | ||
# resolution=0.25 # 4x as large fonts | ||
) | ||
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def _extract_single_cell(*path_components) -> Tuple[CSVPath, PNGPath]: | ||
gds_path = _gds(*path_components) | ||
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preview_png_path = tempfile.mktemp(prefix=f"layout_preview_", suffix=".png") | ||
_save_layout_preview(gds_path, preview_png_path) | ||
output_dir_path = os.path.realpath(os.path.join(__file__, '..', '..', '..', 'output_sky130A')) | ||
cli = KpexCLI() | ||
cli.main(['main', | ||
'--pdk', 'sky130A', | ||
'--gds', gds_path, | ||
'--out_dir', output_dir_path, | ||
'--fastercap', 'y']) | ||
assert cli.fastercap_extracted_csv_path is not None | ||
return cli.fastercap_extracted_csv_path, preview_png_path | ||
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def assert_expected_matches_obtained(*path_components, | ||
expected_csv_content: str): | ||
csv, preview_png = _extract_single_cell(*path_components) | ||
allure.attach.file(csv, name='pex_obtained.csv', attachment_type=allure.attachment_type.CSV) | ||
allure.attach.file(preview_png, name='📸 layout_preview.png', attachment_type=allure.attachment_type.PNG) | ||
expected_csv = csv_diff.load_csv(io.StringIO(expected_csv_content), key='Device') | ||
with open(csv, 'r') as f: | ||
obtained_csv = csv_diff.load_csv(f, key='Device') | ||
diff = csv_diff.compare(expected_csv, obtained_csv, show_unchanged=False) | ||
human_diff = csv_diff.human_text( | ||
diff, current=obtained_csv, extras=(('Net1','{Net1}'),('Net2','{Net2}')) | ||
) | ||
allure.attach(expected_csv_content, name='pex_expected.csv', attachment_type=allure.attachment_type.CSV) | ||
allure.attach(json.dumps(diff, sort_keys=True, indent=' ').encode("utf8"), | ||
name='pex_diff.json', attachment_type=allure.attachment_type.JSON) | ||
allure.attach(human_diff.encode("utf8"), name='‼️ pex_diff.txt', attachment_type=allure.attachment_type.TEXT) | ||
# assert diff['added'] == [] | ||
# assert diff['removed'] == [] | ||
# assert diff['changed'] == [] | ||
# assert diff['columns_added'] == [] | ||
# assert diff['columns_removed'] == [] | ||
assert human_diff == '', 'Diff detected' | ||
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@allure.parent_suite(parent_suite) | ||
@allure.tag(*tags) | ||
@pytest.mark.slow | ||
def test_single_plate_100um_x_100um_li1_over_substrate(): | ||
#_______________________________ NOTE: with halo=8µm __________________________________ | ||
# C0 PLATE VSUBS 0.38618p | ||
assert_expected_matches_obtained( | ||
'test_patterns', 'single_plate_100um_x_100um_li1_over_substrate.gds.gz', | ||
expected_csv_content="""Device;Net1;Net2;Capacitance [fF] | ||
Cext_0_1;VSUBS;PLATE;386.18""" | ||
) |