LogarithmPlotter/tests/python/test_helper.py
Ad5001 84a65cd1fc
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Testing the Helper.
We're now getting to 88% coverage on python. I don't think I can get it much higher between the statements that pytest doesn't count,
the ones which aren't easy to reproduce in test env (eg no internet connection), and the ones essential to the app's startup workflow.
2024-09-23 05:58:29 +02:00

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Python

"""
* LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
* Copyright (C) 2021-2024 Ad5001
*
* 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 <https://www.gnu.org/licenses/>.
"""
import pytest
from os import getcwd, remove
from os.path import join
from tempfile import TemporaryDirectory
from json import loads
from shutil import copy2
from PySide6.QtCore import QObject, Signal, QThreadPool
from PySide6.QtGui import QImage
from PySide6.QtWidgets import QApplication
from LogarithmPlotter import __VERSION__ as version
from LogarithmPlotter.util import config, helper
from LogarithmPlotter.util.helper import ChangelogFetcher, Helper, InvalidFileException
pwd = getcwd()
helper.SHOW_GUI_MESSAGES = False
@pytest.fixture()
def temporary():
directory = TemporaryDirectory()
config.CONFIG_PATH = join(directory.name, "config.json")
tmpfile = join(directory.name, "graph.png")
yield tmpfile, directory
directory.cleanup()
class MockHelperSignals(QObject):
changelogFetched = Signal(str)
def __init__(self, expect_404):
QObject.__init__(self)
self.expect_404 = expect_404
self.changelogFetched.connect(self.changelog_fetched)
self.changelog = None
def changelog_fetched(self, changelog):
self.changelog = changelog
class TestChangelog:
def test_exists(self, qtbot):
helper.CHANGELOG_VERSION = '0.5.0'
mock_helper = MockHelperSignals(False)
fetcher = ChangelogFetcher(mock_helper)
fetcher.run() # Does not raise an exception
qtbot.waitSignal(mock_helper.changelogFetched, timeout=10000)
assert type(mock_helper.changelog) == str
assert '404' not in mock_helper.changelog
def tests_no_exist(self, qtbot):
mock_helper = MockHelperSignals(True)
helper.CHANGELOG_VERSION = '1.0.0'
fetcher = ChangelogFetcher(mock_helper)
fetcher.run()
qtbot.waitSignal(mock_helper.changelogFetched, timeout=10000)
assert type(mock_helper.changelog) == str
assert '404' in mock_helper.changelog
class TestHelper:
def test_read(self, temporary):
# Test file reading and information loading.
tmpfile, directory = temporary
obj = Helper(pwd, tmpfile)
data = obj.load("ci/test1.lpf")
assert type(data) == str
data = loads(data)
assert data['type'] == "logplotv1"
# Checking data['types'] of valid file.
# See https://git.ad5001.eu/Ad5001/LogarithmPlotter/wiki/LogarithmPlotter-file-format-v1.0
assert type(data['width']) == int
assert type(data['height']) == int
assert type(data['xzoom']) in (int, float)
assert type(data['yzoom']) in (int, float)
assert type(data['xmin']) in (int, float)
assert type(data['ymax']) in (int, float)
assert type(data['xaxisstep']) == str
assert type(data['yaxisstep']) == str
assert type(data['xaxislabel']) == str
assert type(data['yaxislabel']) == str
assert type(data['logscalex']) == bool
assert type(data['linewidth']) in (int, float)
assert type(data['showxgrad']) == bool
assert type(data['showygrad']) == bool
assert type(data['textsize']) in (int, float)
assert type(data['history']) == list and len(data['history']) == 2
assert type(data['history'][0]) == list
assert type(data['history'][1]) == list
for action_list in data['history']:
for action in action_list:
assert type(action[0]) == str
assert type(action[1]) == list
assert type(data['objects']) == dict
for obj_type, objects in data['objects'].items():
assert type(obj_type) == str
assert type(objects) == list
for obj in objects:
assert type(obj) == list
def test_read_newer(self, temporary):
tmpfile, directory = temporary
obj = Helper(pwd, tmpfile)
newer_file_path = join(directory.name, "newer.lpf")
with open(newer_file_path, "w") as f:
f.write("LPFv2[other invalid data]")
with pytest.raises(InvalidFileException):
obj.load(newer_file_path)
def test_read_invalid_file(self, temporary):
tmpfile, directory = temporary
obj = Helper(pwd, tmpfile)
with pytest.raises(InvalidFileException):
obj.load("./inexistant.lpf")
with pytest.raises(InvalidFileException):
obj.load("./pyproject.toml")
def test_write(self, temporary):
tmpfile, directory = temporary
obj = Helper(pwd, tmpfile)
target = join(directory.name, "target.lpf")
data = "example_data"
obj.write(target, data)
with open(target, "r") as f:
read_data = f.read()
# Ensure data has been written.
assert read_data == "LPFv1" + data
def test_tmp_graphic(self, temporary):
tmpfile, directory = temporary
obj = Helper(pwd, tmpfile)
assert obj.gettmpfile() == tmpfile
obj.copyImageToClipboard()
clipboard = QApplication.clipboard()
assert type(clipboard.image()) == QImage
def test_strings(self, temporary):
tmpfile, directory = temporary
obj = Helper(pwd, tmpfile)
assert obj.getVersion() == version
assert type(obj.getDebugInfos()) == str
assert type(obj.getSetting("check_for_updates")) == str
assert type(obj.getSettingInt("check_for_updates")) == float
assert type(obj.getSettingBool("check_for_updates")) == bool
def test_set_config(self, temporary):
tmpfile, directory = temporary
obj = Helper(pwd, tmpfile)
obj.setSetting("last_install_greet", obj.getSetting("last_install_greet"))
obj.setSettingBool("check_for_updates", obj.getSettingBool("check_for_updates"))
obj.setSettingInt("default_graph.xzoom", obj.getSettingInt("default_graph.xzoom"))
def test_fetch_changelog(self, temporary, qtbot):
tmpfile, directory = temporary
obj = Helper(pwd, tmpfile)
copy2("../../CHANGELOG.md", "../../LogarithmPlotter/util/CHANGELOG.md")
obj.fetchChangelog()
assert QThreadPool.globalInstance().activeThreadCount() == 0
qtbot.waitSignal(obj.changelogFetched, timeout=10000)
remove("../../LogarithmPlotter/util/CHANGELOG.md")
obj.fetchChangelog()
assert QThreadPool.globalInstance().activeThreadCount() > 0
qtbot.waitSignal(obj.changelogFetched, timeout=10000)